Lincoln Aviator 2020-2024 Service Manual / Body and Paint / Body and Paint / Wipers and Washers / Diagnosis and Testing - Wipers and Washers

Lincoln Aviator: Wipers and Washers / Diagnosis and Testing - Wipers and Washers

Diagnostic Trouble Code (DTC) Chart

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

Diagnostic Trouble Code Chart

Module	DTC	Description	Action
BCM	B130F:12	Run Accessory Control: Circuit Short To Battery	GO to Pinpoint Test A
BCM	B130F:14	Run Accessory Control: Circuit Short To Ground or Open	GO to Pinpoint Test A
BCM	B130F:14	Run Accessory Control: Circuit Short To Ground or Open	GO to Pinpoint Test D
SCCM	B10AD:02	Rain Sensor: General Signal Failure	GO to Pinpoint Test F
SCCM	B10AD:08	Rain Sensor: Bus Signal / Message Failure	GO to Pinpoint Test F
SCCM	B10AD:49	Rain Sensor:Internal Electronic Failure	GO to Pinpoint Test Q
SCCM	B10AD:55	:Rain Sensor:Not Configured	GO to Pinpoint Test P
SCCM	B1131:02	Wiper motor module: General Signal Failure	GO to Pinpoint Test A
SCCM	B1131:02	Wiper Motor Module: General Signal Failure	GO to Pinpoint Test D
SCCM	B1131:08	Wiper motor module: Bus Signal / Message Failure	GO to Pinpoint Test B
SCCM	B1131:11	Wiper motor module: Circuit Short to Ground	GO to Pinpoint Test B
SCCM	B1131:49	Wiper Motor Module:Internal Electronic Failure	GO to Pinpoint Test R
SCCM	B1131:55	:Wiper Motor Module: Not Configured	GO to Pinpoint Test P
SCCM	B124E:11	Wiper Stalk Switch Pack: Circuit Short To Ground	GO to Pinpoint Test V
SCCM	B124E:13	Wiper Stalk Switch Pack: Circuit Open	GO to Pinpoint Test V
SCCM	B124E:55	Wiper Stalk Switch: Not Configured	GO to Pinpoint Test V
SCCM	B124E:96	Wiper Stalk Switch Pack: Component Internal Failure	GO to Pinpoint Test V
SCCM	B124E:9E	Wiper Stalk Switch Pack: Stuck On	GO to Pinpoint Test V

Symptom Chart

Symptom Chart: Wiper and Washer

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

Symptom Chart

Condition	Actions
All windshield wiper modes are inoperative	GO to Pinpoint Test A
The intermittent and/or low speed windshield wipers are inoperative	GO to Pinpoint Test B
The high speed windshield wipers are inoperative	GO to Pinpoint Test C
The windshield wipers stay on continuously	GO to Pinpoint Test D
The windshield wipers do not operate correctly in the intermittent mode	GO to Pinpoint Test E
The rain sensitive wiper feature is inoperative	GO to Pinpoint Test F
The rain sensitive wipers have erratic/inconsistent operation	GO to Pinpoint Test F
The rain sensitive wipers are too sensitive/not sensitive enough to moisture	GO to Pinpoint Test F
The windshield wipers do not park at the correct position	GO to Pinpoint Test G
The windshield washer is inoperative	GO to Pinpoint Test H
The windshield washer is always on	GO to Pinpoint Test I
One or more rear window wiper modes are inoperative	GO to Pinpoint Test J
The rear window wiper stays on continuously	GO to Pinpoint Test K
The rear window washer is inoperative	GO to Pinpoint Test L
The rear window washer is always on	GO to Pinpoint Test M
The front camera washer is inoperative	GO to Pinpoint Test N
The rear camera washer is inoperative	GO to Pinpoint Test O
The heated wiper blades are inoperative	GO to Pinpoint Test U

Pinpoint Tests

PINPOINT TEST A : ALL WINDSHIELD WIPER MODES ARE INOPERATIVE

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
BCM B130F:12	Run Accessory Control: Circuit Short To Battery	Sets when the BCM detects a short to voltage from the wiper relay control circuit.
BCM B130F:14	Run Accessory Control: Circuit Short To Ground Or Open	Sets when the BCM detects an open from the wiper relay control circuit.
SCCM B1131:02	Wiper motor module: General Signal Failure	Sets when the input to the windshield wiper motor from the fail-safe circuit does not match the requested input from the SCCM.

Possible Sources

Fuse
Wiring, terminals or connectors
BCMC
Wiper/washer switch
Windshield wiper motor
SCCM
BCM

Visual Inspection and Pre-checks

Verify BCMC fuse 69 (30A) is OK.

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

A1 CHECK FOR BCM (BODY CONTROL MODULE) DTC (DIAGNOSTIC TROUBLE CODE) B130F:12, B130F:14 OR SCCM (STEERING COLUMN CONTROL MODULE) DTC (DIAGNOSTIC TROUBLE CODE) B1131:02

Ignition ON.

Using a diagnostic scan tool, carry out the BCM self-test.

Using a diagnostic scan tool, carry out the SCCM self-test.

Is DTC B130F:12, B130F:14 or B1131:02 present?

Yes

For DTC B130F:12, GO to A2
For DTC B130F:14, GO to A4
For DTC B1131:02, GO to A10

GO to A6

A2 CHECK THE WIPER RELAY CONTROL CIRCUIT FOR A SHORT TO VOLTAGE

Ignition OFF.

Disconnect BCM C2280F .

Disconnect BCMC C1035A .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C2280F-24 Ground

Is any voltage present?

Yes

GO to A3

GO to A14

A3 ISOLATE THE SHORT TO VOLTAGE IN THE WIPER RELAY CONTROL CIRCUIT

Ignition OFF.

Disconnect BCMC C1035A .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1035A-40 Ground

Is any voltage present?

Yes

REPAIR the circuit.

CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new BCMC.
REFER to: Body Control Module C (BCMC) (419-10 Multifunction Electronic Modules, Removal and Installation).

A4 CHECK THE WIPER RELAY CONTROL CIRCUIT FOR VOLTAGE

Ignition OFF.

Disconnect BCM C2280F .

Disconnect BCMC C1035A .

Measure:

Positive Lead Measurement / Action Negative Lead

C2280F-24 Ground

Is the voltage greater than 11 volts?

Yes

REPAIR the circuit.

GO to A5

A5 CHECK THE WIPER RELAY CONTROL CIRCUIT FOR AN OPEN

Disconnect BCMC C1035A .

Measure:

Positive Lead Measurement / Action Negative Lead

C1035A-40 C2280F-24

Is the resistance less than 3 ohms?

Yes

GO to A14

No	REPAIR the circuit.

A6 CHECK THE INPUT TO THE SCCM (STEERING COLUMN CONTROL MODULE) USING THE WIPER/WASHER SWITCH PARAMETER IDENTIFICATIONS (PIDS)

Using a diagnostic scan tool, view the SCCM Parameter Identifications (PIDs).

- Access the SCCM and monitor the F_WASH_SW PID
- Access the SCCM and monitor the F_WIP_INT_D1 PID
- Access the SCCM and monitor the F_WIP_INT_D2 PID
- Access the SCCM and monitor the F_WIP_INT_D3 PID
- Access the SCCM and monitor the F_WIP_INT_D4 PID
- Access the SCCM and monitor the F_WIP_INT_D5 PID
- Access the SCCM and monitor the F_WIP_INT_D6 PID
- Access the SCCM and monitor the F_WIP_SLO_SW PID
- Access the SCCM and monitor the F_WIPE_FAST_SW PID
- Access the SCCM and monitor the F_WIPE_SINGLE PID

Cycle the wiper/washer switch from off to the high speed setting and then back to off.

Do the Parameter Identifications (PIDs) correspond correctly with each setting selection?

Yes

GO to A7

INSTALL a new wiper/washer switch.
REFER to: Steering Column Multifunction Switch RH (211-05 Steering Wheel and Column Electrical Components, Removal and Installation). TEST the system for normal operation. If the concern is still present, CHECK OASIS for any applicable service articles: TSB, GSB, SSM, or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new SCCM.
REFER to: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).

A7 CHECK FOR VOLTAGE TO THE WINDSHIELD WIPER MOTOR

Ignition OFF.

Disconnect Windshield Wiper Motor C1655 .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1655-8 Ground

Is the voltage greater than 11 volts?

Yes

GO to A9

No	VERIFY the BCMC fuse 69 (30A) is OK. If OK, GO to A8 If not OK, REFER to the Wiring Diagrams Manual to identify the possible cause of the circuit short.

A8 CHECK THE WINDSHIELD WIPER MOTOR VOLTAGE SUPPLY CIRCUIT FOR AN OPEN

Ignition OFF.

Disconnect BCMC C1035B .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1655-8 C1035B-30

Is the resistance less than 3 ohms?

Yes

No	REPAIR the circuit.

A9 CHECK THE WINDSHIELD WIPER MOTOR GROUND CIRCUIT FOR AN OPEN

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1655-8 C1655-6

Is the voltage greater than 11 volts?

Yes

GO to A10

No	REPAIR the circuit.

A10 CHECK THE FAIL-SAFE HIGH SPEED WIPER GROUND CIRCUIT CONTROL

NOTICE: The following Pinpoint Test uses a test lamp to simulate normal circuit loads. Use only a Rotunda Test Lamp (SGT27000) or 250-300mA incandescent bulb test lamp. To avoid connector terminal damage, use the Rotunda Flex Probe kit for the test lamp probe connection to the vehicle. Do not use the test lamp probe directly on any connector.

Connect:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1655-1 C1655-8

Ignition ON.

Place the wiper/washer switch in the high speed setting and then off.

Does the test lamp illuminate when the wiper/washer switch is in the high speed setting?

Yes

GO to A12

GO to A11

A11 CHECK THE FAIL-SAFE HIGH SPEED WIPER GROUND CIRCUIT FOR AN OPEN

NOTE: If steps A2-A9 did not identify the cause of the concern, a double fault is present. After the fail-safe ground is diagnosed and repaired, it is necessary check all operation modes and diagnose any symptom still present.

Ignition OFF.

Disconnect SCCM C226A .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1655-1 C226A-4

Is the resistance less than 3 ohms?

Yes

No	REPAIR the circuit.

A12 CHECK FOR CORRECT WINDSHIELD WIPER MOTOR OPERATION

Disconnect and inspect the windshield wiper motor connector.

Repair:
- corrosion (install new connector or terminal - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the windshield wiper motor connector. Make sure it seats and latches correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

INSTALL a new windshield wiper motor.
REFER to: Windshield Wiper Motor (501-16 Wipers and Washers, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

A13 CHECK FOR CORRECT SCCM (STEERING COLUMN CONTROL MODULE) OPERATION

Disconnect and inspect all the SCCM connectors:

Repair:
- corrosion (install new connector or terminals – clean module pins)
- damaged or bent pins – install new terminals/pins
- pushed-out pins – install new pins as necessary

Reconnect the SCCM connectors. Make sure they seat and latch correctly.

Is the concern still present?

Yes

CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new SCCM.
REFER to: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

A14 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all the BCM connectors:

Repair:
- corrosion (install new connector or terminals – clean module pins)
- damaged or bent pins – install new terminals/pins
- pushed-out pins – install new pins as necessary

Reconnect the BCM connectors. Make sure they seat and latch correctly.

Is the concern still present?

Yes

Click here to access Guided Routine (BCM).

Internet Explorer version 11 or greater is required to perform this Pinpoint Test.

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST B : THE INTERMITTENT AND/OR LOW SPEED WINDSHIELD WIPERS ARE INOPERATIVE

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
SCCM B1131:08	Wiper motor module: Bus Signal/Message Failures	Sets when the SCCM detects a communication fault with the windshield wiper motor over the LIN.
SCCM B1131:11	Wiper motor module: Circuit Short To Ground	Sets when the SCCM detects a communication fault with the windshield wiper motor over the LIN.

Possible Sources

Wiring, terminals or connectors
Wiper/washer switch
Windshield wiper motor
Rain sensor
SCCM

Visual Inspection and Pre-checks

Inspect the wiper/washer switch for damage.

NOTE: It may be necessary to disconnect and then reconnect the battery after the repair to enable the wiper operation.

B1 CHECK THE HIGH SPEED WIPER OPERATION

Ignition ON.

Place the wiper/washer switch in the high speed setting and observe the windshield wipers. Place the wiper/washer switch in the off setting.

Do the windshield wipers operate with the wiper/washer switch in the high speed setting?

Yes

GO to B2

No	GO to Pinpoint Test A

B2 CHECK THE LOW SPEED WIPER OPERATION

Place the wiper/washer switch in the low speed setting and observe the windshield wipers. Place the wiper/washer switch in the off setting.

Do the windshield wipers operate with the wiper/washer switch in the low speed setting?

Yes

If not equipped with a rain sensor, GO to Pinpoint Test E
If equipped with a rain sensor, GO to Pinpoint Test F

GO to B3

B3 CHECK THE INPUT TO THE SCCM (STEERING COLUMN CONTROL MODULE)

Using a diagnostic scan tool, view the SCCM Parameter Identifications (PIDs).

Access the SCCM and monitor the F_WIP_SLO_SW PID

Place the wiper/washer switch in the low speed setting.

Does the PID indicate the wiper/washer switch is in the low speed setting?

Yes

If equipped with a rain sensor, GO to B4
If not equipped with a rain sensor, GO to B5

B4 ISOLATE THE RAIN SENSOR

Ignition OFF.

Disconnect Rain Sensor C914 .

Ignition ON.

Place the wiper/washer switch in the low speed setting and observe the windshield wipers. Place the wiper/washer switch in the off setting.

Do the windshield wipers operate with the wiper/washer switch in the low speed setting?

Yes

INSTALL a new rain sensor.
REFER to: Rain Sensor (501-16 Wipers and Washers, Removal and Installation).

GO to B5

B5 CHECK THE LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO VOLTAGE

Ignition OFF.

Disconnect Windshield Wiper Motor C1655 .

Disconnect SCCM C226A .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1655-4 Ground

Is any voltage present?

Yes

REPAIR the circuit.

GO to B6

B6 CHECK THE LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1655-4 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to B7

No	REPAIR the circuit.

B7 CHECK THE LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR AN OPEN

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1655-4 C226B-3

Is the resistance less than 3 ohms?

Yes

GO to B8

No	REPAIR the circuit.

B8 CHECK FOR CORRECT WINDSHIELD WIPER MOTOR OPERATION

Disconnect and inspect the windshield wiper motor connector.

Repair:
- corrosion (install new connector or terminal - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the windshield wiper motor connector. Make sure it seats and latches correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

No	The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

B9 CHECK FOR CORRECT SCCM (STEERING COLUMN CONTROL MODULE) OPERATION

Disconnect and inspect all the SCCM connectors.

Repair:
- corrosion (install new connector or terminal - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the SCCM connectors. Make sure it seats and latches correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new SCCM. REFER to: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST C : THE HIGH SPEED WINDSHIELD WIPERS ARE INOPERATIVE

Normal Operation and Fault Conditions

REFER to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

Windshield wiper motor
Wiper/washer switch
SCCM

C1 CHECK THE INPUT TO THE SCCM (STEERING COLUMN CONTROL MODULE)

Ignition ON.

Using a diagnostic scan tool, view the SCCM Parameter Identifications (PIDs).

Access the SCCM and monitor the F_WIPE_FAST_SW PID

Place the wiper/washer switch in the high speed setting.

Does the PID indicate the wiper/washer switch is in the high speed setting?

Yes

INSTALL a new windshield wiper motor.
REFER to: Windshield Wiper Motor (501-16 Wipers and Washers, Removal and Installation).

INSTALL a new wiper/washer switch.
REFER to: Steering Column Multifunction Switch RH (211-05 Steering Wheel and Column Electrical Components, Removal and Installation). TEST the system for normal operation. If the concern is still present, CHECK OASIS for any applicable service articles: TSB, GSB, SSM, or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new SCCM. REFER to: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).

PINPOINT TEST D : THE WINDSHIELD WIPERS STAY ON CONTINUOUSLY

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
BCM B130F:14	Run Accessory Control: Circuit Short To Ground Or Open	Sets when the BCM detects a short to ground from the wiper relay control circuit.
SCCM B1131:02	Wiper motor module: General Signal Failure	Sets when the input to the windshield wiper motor from the fail-safe circuit does not match the requested input from the SCCM.

Possible Sources

Wiring, terminals or connectors
Wiper/washer switch
BCMC
Windshield wiper motor
SCCM

Visual Inspection and Pre-checks

Inspect the wiper/washer switch for damage.

D1 CHECK THE WINDSHIELD WIPER OPERATION WITH THE IGNITION OFF

Ignition OFF.

Observe the windshield wiper operation.

Do the windshield wipers operate with the ignition off?

Yes

GO to D5

GO to D2

D2 CHECK THE WINDSHIELD WIPER OPERATION WITH THE SCCM (STEERING COLUMN CONTROL MODULE) DISCONNECTED

Ignition OFF.

Disconnect SCCM C226A .

Ignition ON.

Observe the windshield wiper operation.

Do the windshield wipers continue to operate?

Yes

GO to D3

No	INSTALL a new wiper/washer switch. REFER to: Steering Column Multifunction Switch RH (211-05 Steering Wheel and Column Electrical Components, Removal and Installation). TEST the system for normal operation. If the concern is still present, GO to D9

D3 CHECK THE HIGH SPEED FAIL-SAFE CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Disconnect Windshield Wiper Motor C1655 .

Disconnect SCCM C226B .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1655-1 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to D4

No	REPAIR the circuit.

D4 CHECK FOR CORRECT WINDSHIELD WIPER MOTOR OPERATION

Disconnect and inspect the windshield wiper motor connector.

Repair:
- corrosion (install new connector or terminal - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the windshield wiper motor connector. Make sure it seats and latches correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

INSTALL a new windshield wiper motor.
REFER to: Windshield Wiper Motor (501-16 Wipers and Washers, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

D5 CHECK FOR BCM (BODY CONTROL MODULE) DTC (DIAGNOSTIC TROUBLE CODE) B130F:14

Ignition ON.

Using a diagnostic scan tool, carry out the BCM self-test.

Is DTC B130F:14 present?

Yes

GO to D7

GO to D8

D6 CHECK THE WIPER RELAY CONTROL CIRCUIT FOR A SHORT TO GROUND

Disconnect BCM C2280F .

Do the windshield wipers continue to operate?

Yes

GO to D7

GO to D10

D7 ISOLATE THE SHORT TO GROUND IN THE WIPER RELAY CONTROL CIRCUIT

Ignition OFF.

Disconnect BCMC C1035A .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C2280F-24 Ground

Is the resistance greater than 10,000 ohms?

Yes

No	REPAIR the circuit.

D8 CHECK THE WINDSHIELD WIPER SYSTEM VOLTAGE SUPPLY CIRCUITS FOR A SHORT TO VOLTAGE

Ignition OFF.

Disconnect BCMC C1035A .

Ignition ON.

Measure:
Click to display connectors

Positive Lead	Measurement / Action	Negative Lead
C1035A-22		Ground
C1035A-30		Ground
C1035A-23		Ground

Is any voltage present?

Yes

REPAIR the circuit.

CHECK OASIS for any applicable service articles: TSB, GSB, SSM, or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new BCMC.
REFER to: Body Control Module C (BCMC) (419-10 Multifunction Electronic Modules, Removal and Installation).

D9 CHECK FOR CORRECT SCCM (STEERING COLUMN CONTROL MODULE) OPERATION

Disconnect and inspect all the SCCM connectors.

Repair:
- corrosion (install new connector or terminal - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the SCCM connectors. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB, GSB, SSM, or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new SCCM.
REFER to: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

D10 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Disconnect and inspect all the BCM connectors.

Repair:
- corrosion (install new connector or terminal - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the BCM connectors. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

Click here to access Guided Routine (BCM).

Internet Explorer version 11 or greater is required to perform this Pinpoint Test.

No	The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST E : THE WINDSHIELD WIPERS DO NOT OPERATE CORRECTLY IN THE INTERMITTENT MODE

Normal Operation and Fault Conditions

REFER to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

Wiper/washer switch
Windshield wiper motor
SCCM

Visual Inspection and Pre-checks

Inspect the wiper/washer switch for damage.

E1 VERIFY IF THE VEHICLE IS EQUIPPED WITH A RAIN SENSOR

Inspect the vehicle for a rain sensor.

Is the vehicle equipped with a rain sensor?

Yes

GO to E2

GO to E3

E2 VERIFY THE RAIN SENSITIVE WIPER FEATURE IS DISABLED IN THE VEHICLE MESSAGE CENTER

Ignition ON.

Access the vehicle settings in the message center using the steering wheel controls and check the rain sensitive feature setting.

Is the rain sensitive feature enabled?

Yes

GO to Pinpoint Test F

GO to E3

E3 CHECK THE LOW SPEED WIPER OPERATION

Ignition ON.

Place the wiper/washer switch to the low speed setting and observe the windshield wipers. Place the wiper/washer switch to the off setting.

Do the low speed wipers operate when the low speed setting is selected?

Yes

GO to E4

No	GO to Pinpoint Test B

E4 CHECK THE INPUT FROM THE WIPER/ WASHER SWITCH

Using a diagnostic scan tool, view the SCCM PID.

- Access the SCCM and monitor the F_WIP_INT_D1 PID
- Access the SCCM and monitor the F_WIP_INT_D2 PID
- Access the SCCM and monitor the F_WIP_INT_D3 PID
- Access the SCCM and monitor the F_WIP_INT_D4 PID
- Access the SCCM and monitor the F_WIP_INT_D5 PID
- Access the SCCM and monitor the F_WIP_INT_D6 PID

Cycle the wiper/washer switch from off through each of the intermittent settings.

Do the PIDs correspond correctly with each setting selection?

Yes

INSTALL a new windshield wiper motor.
REFER to: Windshield Wiper Motor (501-16 Wipers and Washers, Removal and Installation).

PINPOINT TEST F : THE RAIN SENSITIVE WIPER FEATURE IS INOPERATIVE/DOES NOT OPERATE CORRECTLY

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
SCCM B10AD:02	Rain Sensor: General Signal Failure	Sets when the SCCM detects a communication fault with the rain sensor.
SCCM B10AD:08	Rain Sensor: Bus Signal/Message Failures	Sets when the SCCM detects a communication fault with the rain sensor.

Possible Sources

Fuse
Wiring, terminals or connectors
Rain sensitive feature not enabled
Foreign material on windshield, such as dirt, dust or bugs
Wiper blades
Windshield glass
Wiper/washer switch
Windshield wiper motor
Rain sensor gel-type lens (part of rain sensor)
Rain sensor
SCCM

Visual Inspection and Pre-checks

Inspect BCMC fuse124 (5A) and make sure it is OK.
Inspect the windshield for damage.
Inspect the rain sensor mounting for damage.

F1 CHECK THE LOW SPEED WIPER OPERATION

Ignition ON.

Place the wiper/washer switch to the low speed setting and observe the windshield wipers. Place the wiper/washer switch to the off setting.

Do the low speed wipers operate when the low speed setting is selected?

Yes

GO to F2

No	GO to Pinpoint Test B

F2 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) B10AD:02 OR B10AD:08

Using a diagnostic scan tool, carry out the SCCM self-test.

Are any Diagnostic Trouble Codes (DTCs) present?

Yes

For DTC B10AD:02 or B10AD:08, GO to F11
For all other Diagnostic Trouble Codes (DTCs), REFER to the SCCM DTC Chart in this section.

GO to F3

F3 VERIFY THE RAIN SENSITIVE WIPER FEATURE IS ENABLED IN THE VEHICLE MESSAGE CENTER

Access the vehicle settings in the message center using the steering wheel controls. Make sure the rain sensitive feature is enabled.

Is the rain sensitive feature enabled?

Yes

GO to F4

No	ENABLE the rain sensitive feature. INFORM the customer how to enable/disable the rain sensitive feature.

F4 CHECK THE INPUT FROM THE WIPER/WASHER SWITCH

Using a diagnostic scan tool, monitor the following SCCM wiper/washer switch PIDs:
- Access the SCCM and monitor the F_WIP_INT_D1 PID
- Access the SCCM and monitor the F_WIP_INT_D2 PID
- Access the SCCM and monitor the F_WIP_INT_D3 PID
- Access the SCCM and monitor the F_WIP_INT_D4 PID
- Access the SCCM and monitor the F_WIP_INT_D5 PID
- Access the SCCM and monitor the F_WIP_INT_D6 PID

Cycle the wiper/washer switch from off through each of the auto/intermittent sensitivity settings.

Do the Parameter Identifications (PIDs) correspond correctly with each setting selection?

Yes

GO to F5

F5 CHECK THE WINDSHIELD FOR DAMAGE

Ignition OFF.

Inspect the windshield glass for any cracks, pits or other visible damage around the area of the rain sensor.

Is any windshield damage present near the area of the rain sensor?

Yes

INSTALL a new windshield.
REFER to: Fixed Glass (501-11 Glass, Frames and Mechanisms, General Procedures).

GO to F6

F6 CHECK THE WINDSHIELD GLASS FOR STREAKING

Ignition ON.

Turn the wiper/washer switch to the low speed wiper setting and while applying water to the windshield surface. Observe the wipe quality, especially around the area of the rain sensor.

Is any streaking present on the windshield around the area of the rain sensor?

Yes

GO to F7

GO to F9

F7 CHECK THE WINDSHIELD WIPER BLADES FOR STREAKING

Ignition OFF.

Clean the windshield glass with glass cleaner.

Clean the wiper blades with isopropyl alcohol swabs. Wipe the entire length of the wiper blades.

Ignition ON.

Place the wiper/washer switch to the low speed wiper setting and while applying water to the windshield surface. Observe the wipe quality, especially around the area of the rain sensor.

Was there noticeable improvement in the wipe quality after cleaning the glass and the wiper blades?

Yes

GO to F8

No	INSTALL new wiper blades. GO to F8

F8 RECHECK THE RAIN SENSITIVE WIPERS OPERATION

Place the wiper/washer switch to the auto/intermittent 5 setting (most sensitive to moisture) while applying water on the windshield above the rain sensor.

Do the wipers operate when water is applied to the windshield surface?

Yes

The system is operating correctly at this time. The concern may have been caused by poor wipe quality on the windshield around the rain sensor.

GO to F9

F9 CHECK FOR THE PRESENCE OF THE LENS GEL

Ignition OFF.

Lightly press the rain sensor against the windshield and release the rain sensor clips.

Does the rain sensor remain adhered to the windshield?

Yes

ATTACH the retaining clips. GO to F10

No	The sensor gel-type lens is missing or damaged. INSTALL a new rain sensor. REFER to: Rain Sensor (501-16 Wipers and Washers, Removal and Installation).

F10 INSPECT THE RAIN SENSOR MOUNTING AREA

NOTE: The rain sensor gel-type lens can be damaged or contaminated during rain sensor removal, rain sensor bracket separation or incorrect installation.

From the outside of the vehicle, inspect the area of the windshield glass where the rain sensor is mounted. The rain sensor contact area should appear black, with no bubbles, air pockets or contaminants between the windshield glass and the rain sensor.

Does the rain sensor contact area appear black, with no bubbles, air pockets or contaminants between the windshield glass and the rain sensor?

Yes

GO to F11

REMOVE the rain sensor.
REFER to: Rain Sensor (501-16 Wipers and Washers, Removal and Installation).
CLEAN the mating surfaces between the windshield glass and the rain sensor. INSTALL the rain sensor correctly.
TEST the system for normal operation. If the concern is still present, INSTALL a new windshield wiper motor.
REFER to: Windshield Wiper Motor (501-16 Wipers and Washers, Removal and Installation).

F11 CHECK FOR VOLTAGE TO THE RAIN SENSOR

Ignition OFF.

Disconnect Rain Sensor C914 .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C914-1 Ground

Is the voltage greater than 11 volts?

Yes

GO to F13

No	VERIFY BCMC fuse 97 (5A) is OK. If OK, GO to F12 If not OK, REFER to the Wiring Diagrams manual to identify the possible causes of the circuit short.

F12 CHECK THE RAIN SENSOR VOLTAGE SUPPLY CIRCUIT FOR AN OPEN

Ignition OFF.

Disconnect BCMC C1035A .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C914-1 C1035A-22

Is the resistance less than 3 ohms?

Yes

No	REPAIR the circuit.

F13 CHECK THE RAIN SENSOR GROUND CIRCUIT FOR AN OPEN

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C914-1 C914-3

Is the voltage above 11 volts?

Yes

GO to F14

No	REPAIR the circuit.

F14 CHECK THE LIN (LOCAL INTERCONNECT NETWORK) CIRCUIT FOR AN OPEN

Ignition OFF.

Disconnect SCCM C226A .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C914-2 C226A-3

Is the resistance less than 3 ohms?

Yes

GO to F15

No	REPAIR the circuit.

F15 CHECK FOR CORRECT SCCM (STEERING COLUMN CONTROL MODULE) OPERATION

Disconnect and inspect all the SCCM connectors.

Repair:
- corrosion (install new connector or terminal - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect all the SCCM connectors. Make sure they seat and latch correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable service articles: TSB, GSB, SSM, or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new SCCM.
REFER to: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST G : THE WINDSHIELD WIPERS DO NOT PARK AT THE CORRECT POSITION

Normal Operation and Fault Conditions

REFER to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

Wiper mounting arm and pivot shaft
Windshield wiper motor

Visual Inspection and Pre-checks

Inspect the mounting arm and pivot shaft for damage.

G1 CHECK THE WIPER MOUNTING ARM AND PIVOT SHAFT FOR DAMAGE

Ignition OFF.

Inspect the wiper mounting arm and pivot shaft for damage.

Is the wiper mounting arm and pivot shaft OK?

Yes

GO to G2

No	INSTALL a wiper mounting arm and pivot shaft. REFER to: Windshield Wiper Pivot Arm (501-16 Wipers and Washers, Removal and Installation).

G2 CHECK THE WINDSHIELD WIPER PARK RELAY OPERATION

Ignition ON.

Place the wiper/washer switch to the low speed setting. When the wiper blades are in the middle of a wipe, place the wiper/washer switch off.

Do the windshield wipers immediately stop when the wiper/washer switch is turned off?

Yes

INSTALL a new windshield wiper motor.
REFER to: Windshield Wiper Motor (501-16 Wipers and Washers, Removal and Installation).

No	ADJUST the pivot arms. REFER to: Windshield Wiper Pivot Arm (501-16 Wipers and Washers, Removal and Installation).

PINPOINT TEST H : THE WINDSHIELD WASHER IS INOPERATIVE

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

Wiring, terminals or connectors
Washer pump
Wiper/washer switch
Windshield wiper motor
BCMC
SCCM

Visual Inspection and Pre-checks

Inspect the wiper/washer switch for damage.

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

H1 CHECK FOR WASHER PUMP ACTIVATION

Ignition ON.

While listening for washer pump activation near the right front of the vehicle, have an assistant activate the windshield washer function.

Does the washer pump activate?

Yes

GO to H2

GO to H6

H2 CHECK THE AMBIENT AIR TEMPERATURE

Check the ambient air temperature.

Is the ambient air temperature below freezing?

Yes

GO to H3

GO to H4

H3 CHECK THE WASHER SOLVENT

Check the washer solvent and make sure it is of the correct type to use for the temperature conditions present.

Is the correct type of washer solvent present?

Yes

GO to H4

No	ALLOW the vehicle to warm to room temperature. DRAIN and REFILL the windshield washer reservoir with the correct washer solvent type. INFORM the customer of the correct type of washer solvent to use for the temperature conditions present.

H4 CHECK FOR WASHER SOLVENT TO THE WASHER JETS

Disconnect the washer hoses from the windshield washer jets and place them in a container to capture fluid.

Ignition ON.

Momentarily activate the windshield washer function.

Is washer fluid emitted at the washer hoses?

Yes

INSTALL a new washer jet in question.

GO to H5

H5 CHECK FOR DAMAGED WASHER HOSES AND FITTINGS

Inspect the washer hoses and fittings for kinks or damage.

Are the washer hoses and fittings OK?

Yes

INSTALL a new washer pump.
REFER to: Windshield Washer Pump (501-16 Wipers and Washers, Removal and Installation).

No	REPAIR the washer hoses or fittings as necessary.

H6 CHECK THE WIPER/WASHER SWITCH INPUT USING THE WASHER SWITCH (FRONT) (F_WASH_SW) PID (PARAMETER IDENTIFICATION)

Ignition ON.

Using a diagnostic scan tool, view the SCCM Parameter Identifications (PIDs).

Access the SCCM and monitor the F_WASH_SW PID

Activate and release the wash function on the wiper/washer switch.

Does the PID indicate correctly when the switch is activated?

Yes

GO to H7

H7 CHECK FOR VOLTAGE TO THE WASHER PUMP

NOTICE: This pinpoint test step uses a test lamp to simulate normal circuit loads. Use only a Rotunda Test Lamp (SGT27000) or 250-300mA incandescent bulb test lamp. To avoid connector terminal damage, use the Rotunda Flex Probe kit for the test lamp probe connection to the vehicle. Do not use the test lamp probe directly on any connector.

Ignition OFF.

Disconnect Washer Pump C137 .

Connect:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C137-2 Ground

Ignition ON.

Use the wiper/washer switch to activate the windshield washer function.

Does the test lamp illuminate when the washer is activated?

Yes

GO to H8

GO to H9

H8 CHECK THE WASHER PUMP GROUND CIRCUIT FOR AN OPEN

Connect:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C137-2 C137-1

Ignition ON.

Use the wiper/washer switch to activate the windshield washer function.

Does the test lamp illuminate when the washer is activated?

Yes

INSTALL a new washer pump.
REFER to: Windshield Washer Pump (501-16 Wipers and Washers, Removal and Installation).

No	REPAIR the circuit.

H9 CHECK THE WASHER PUMP VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Disconnect Windshield Wiper Motor C1655 .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1655-7 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to H10

No	REPAIR the circuit.

H10 CHECK THE WASHER PUMP VOLTAGE SUPPLY CIRCUIT FOR AN OPEN

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1655-7 C137-2

Is the resistance less than 3 ohms?

Yes

GO to H11

No	REPAIR the circuit.

H11 CHECK FOR CORRECT WINDSHIELD WIPER MOTOR OPERATION

Disconnect and inspect the windshield wiper motor connector.

Repair:
- corrosion (install new connector or terminal - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the windshield wiper motor connector. Make sure it seats and latches correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

INSTALL a new windshield wiper motor.
REFER to: Windshield Wiper Motor (501-16 Wipers and Washers, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST I : THE WINDSHIELD WASHER IS ALWAYS ON

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

Wiper/washer switch (without police package)
Windshield wiper motor
SCCM

Visual Inspection and Pre-checks

Inspect the wiper/washer switch for damage.

I1 CHECK THE WIPER/WASHER SWITCH INPUT USING THE WASHER SWITCH (FRONT) (F_WASH_SW) PID

Ignition ON.

Using a diagnostic scan tool, view the SCCM PID.

Access the SCCM and monitor the F_WASH_SW PID

Does the PID indicate the switch is activated?

Yes

INSTALL a new wiper/washer switch.
REFER to: Steering Column Multifunction Switch RH (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
. TEST the system for normal operation. If the concern is still present, CHECK OASIS for any applicable service articles: TSB, GSB, SSM, or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new SCCM.
REFER to: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).

No	INSTALL a new windshield wiper motor. REFER to: Windshield Wiper Motor (501-16 Wipers and Washers, Removal and Installation).

PINPOINT TEST J : ONE OR MORE REAR WINDOW WIPER MODES ARE INOPERATIVE

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

Fuse
Wiring, terminals or connectors
Wiper/washer switch
BCMC
Rear window wiper motor
Windshield wiper motor
SCCM

Visual Inspection and Pre-checks

Inspect BJB fuse 16 (15A) and make sure it is OK.
Inspect the wiper/washer switch for damage.

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

J1 CHECK THE WINDSHIELD WIPER OPERATION

Ignition ON.

Place the wiper/washer switch to the windshield low speed position and then off.

Does the windshield wiper operate?

Yes

GO to J2

No	GO to Pinpoint Test A

J2 CHECK THE REAR WINDOW WIPER/WASHER SWITCH INPUT PARAMETER IDENTIFICATIONS (PIDS)

Ignition ON.

Using a diagnostic scan tool, view the SCCM Parameter Identifications (PIDs).

- Access the SCCM and monitor the R_WIPE_OFF_SW PID
- Access the SCCM and monitor the R_WIPE_DEL1 PID
- Access the SCCM and monitor the R_WIPE_DEL2 PID

Place the wiper/washer switch to the rear INT 1 and rear INT 2 positions, and then off.

Do the Parameter Identifications (PIDs) indicate correctly for the switch positions?

Yes

VERIFY the BCMC fuse 16 (15A) is OK. If OK, GO to J3
If not OK, REFER to the Wiring Diagrams manual to identify the possible cause of the circuit short.

J3 CHECK FOR VOLTAGE TO THE REAR WINDOW WIPER MOTOR

Ignition OFF.

Disconnect Rear Window Wiper Motor C476 .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C476-1 Ground

Is the voltage greater than 11 volts?

Yes

GO to J5

GO to J4

J4 CHECK THE REAR WINDOW WIPER MOTOR VOLTAGE SUPPLY CIRCUIT FOR AN OPEN

Ignition OFF.

Disconnect BJB C1035D .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C476-1 C1035A-23

Is the resistance less than 3 ohms?

Yes

GO to J5

No	REPAIR the circuit.

J5 CHECK THE REAR WINDOW WIPER MOTOR GROUND CIRCUIT FOR AN OPEN

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C476-1 C476-3

Is the voltage greater than 11 volts?

Yes

GO to J6

No	REPAIR the circuit.

J6 CHECK THE REAR WINDOW WIPER MOTOR CONTROL CIRCUIT FOR A SHORT TO VOLTAGE

Disconnect Windshield Wiper Motor C125 .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C476-2 Ground

Is any voltage present?

Yes

REPAIR the circuit.

GO to J7

J7 CHECK THE REAR WINDOW WIPER MOTOR CONTROL CIRCUIT FOR AN OPEN

Ignition OFF.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C476-2 C1655-11

Is the resistance less than 3 ohms?

Yes

GO to J8

No	REPAIR the circuit.

J8 BYPASS THE WINDSHIELD WIPER MOTOR

Connect Rear Window Wiper Motor C476 .

Connect:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1655-11 C1655-6

Ignition ON.

Does the rear window wiper motor operate?

Yes

REMOVE the fused jumper wire. GO to J9

No	REMOVE the fused jumper wire. INSTALL a new rear window wiper motor. REFER to: Rear Window Wiper Motor (501-16 Wipers and Washers, Removal and Installation).

J9 CHECK FOR CORRECT WINDSHIELD WIPER MOTOR OPERATION

Disconnect and inspect the windshield wiper motor connector.

Repair:
- corrosion (install new connector or terminal - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the windshield wiper motor connector. Make sure it seats and latches correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

INSTALL a new windshield wiper motor.
REFER to: Windshield Wiper Motor (501-16 Wipers and Washers, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST K : THE REAR WINDOW WIPER STAYS ON CONTINUOUSLY

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

Wiring, terminals or connectors
Wiper/washer switch
Rear window wiper motor
Windshield wiper motor
SCCM

Visual Inspection and Pre-checks

Inspect the wiper/washer switch for damage.

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

K1 CHECK THE REAR WINDOW WIPER/WASHER SWITCH INPUT PARAMETER IDENTIFICATIONS (PIDS)

Ignition ON.

Using a diagnostic scan tool, view the SCCM Parameter Identifications (PIDs).

- Access the SCCM and monitor the R_WIPE_OFF_SW PID
- Access the SCCM and monitor the R_WIPE_DEL1 PID
- Access the SCCM and monitor the R_WIPE_DEL2 PID

Place the wiper/washer switch to the rear INT 1 and rear INT 2 positions, and then off.

Do the Parameter Identifications (PIDs) indicate correctly for the switch positions?

Yes

GO to K2

K2 CHECK THE WINDSHIELD WIPER MOTOR

Ignition OFF.

Disconnect Windshield Wiper Motor C1655 .

Ignition ON.

Does the rear window wiper motor continue to operate?

Yes

GO to K3

GO to K4

K3 CHECK THE WINDSHIELD REAR WIPER CONTROL CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Disconnect Front Window Wiper Motor C1655 .

Disconnect Rear Window Wiper Motor C476 .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C476-2 Ground

Is the resistance greater than 10,000 ohms?

Yes

INSTALL a new rear window wiper motor.
REFER to: Rear Window Wiper Motor (501-16 Wipers and Washers, Removal and Installation).

No	REPAIR the circuit.

K4 CHECK FOR CORRECT WINDSHIELD WIPER MOTOR OPERATION

Disconnect and inspect the windshield wiper motor connector.

Repair:
- corrosion (install new connector or terminal - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the windshield wiper motor connector. Make sure it seats and latches correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

INSTALL a new windshield wiper motor.
REFER to: Windshield Wiper Motor (501-16 Wipers and Washers, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST L : THE REAR WINDOW WASHER IS INOPERATIVE

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

Fuse
Rear washer hose
Rear washer jet
Wiring, terminals or connectors
BCMC
Washer pump
Wiper/washer switch
Windshield wiper motor
SCCM

Visual Inspection and Pre-checks

Inspect BCMC fuse 16 (15A) and make sure it is OK.
Inspect the wiper/washer switch for damage.

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

L1 CHECK THE WINDSHIELD WASHER OPERATION

Ignition ON.

Activate the windshield washer and observe the windshield washer operation.

Does windshield washer operate correctly?

Yes

GO to L2

No	GO to Pinpoint Test H

L2 CHECK THE AMBIENT AIR TEMPERATURE

Check the ambient air temperature.

Is the ambient air temperature below freezing?

Yes

GO to L3

GO to L4

L3 CHECK THE WASHER SOLVENT

Check the washer solvent and make sure it is of the correct type to use for the temperature conditions present.

Is the correct type of washer solvent present?

Yes

GO to L4

No	ALLOW the vehicle to warm to room temperature. DRAIN and REFILL the windshield washer reservoir with the correct washer solvent type. INFORM the customer of the correct type of washer solvent to use for the temperature conditions present.

L4 CHECK FOR WASHER SOLVENT TO THE WASHER JET

Disconnect the washer hose from the rear window washer jet and place it in a container to capture fluid.

Momentarily activate the rear window washer.

Is washer fluid emitted at the washer hose?

Yes

INSTALL a new washer jet.

GO to L5

L5 CHECK FOR DAMAGED WASHER HOSES AND FITTINGS

Inspect the washer hoses and fittings for kinks or damage.

Are the washer hoses and fittings OK?

Yes

GO to L6

No	REPAIR the washer hoses or fittings as necessary.

L6 CHECK THE WIPER/WASHER SWITCH INPUT USING THE REAR WIPER WASH SWITCH (R_WIPE_WASH_SW) PID (PARAMETER IDENTIFICATION)

Ignition ON.

Using a diagnostic scan tool, view the SCCM Parameter Identifications (PIDs).

Access the SCCM and monitor the R_WIPE_WASH_SW PID

Activate and release the rear window wash function on the wiper/washer switch.

Does the PID indicate correctly when the switch is activated and released?

Yes

GO to L7

L7 CHECK THE WASHER PUMP RELAY COIL CIRCUIT

Ignition OFF.

Disconnect Windshield Washer Pump C137 .

Connect:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C137-1 Ground

Ignition ON.

Have an assistant activate the rear window wash function

Does the test lamp illuminate when the rear window wash function is activated?

Yes

GO to L10

GO to L8

L8 CHECK THE WASHER PUMP RELAY COIL CONTROL CIRCUIT FOR A SHORT TO VOLTAGE

Disconnect Windshield Wiper Motor C1655 .

Disconnect BCMC C1035B .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1035B-33 Ground

Is any voltage present?

Yes

REPAIR the circuit.

GO to L9

L9 CHECK THE WASHER PUMP RELAY COIL CONTROL CIRCUIT FOR AN OPEN

Connect Windshield Wiper Motor C125 .

Connect a fused jumper wire:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1035B-30 Battery positive

Connect:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1035B-33 Battery positive

Ignition ON.

Have an assistant activate the rear window wash function

Does the test lamp illuminate when the rear window wash function is activated?

Yes

GO to L10

L10 CHECK FOR CORRECT WINDSHIELD WIPER MOTOR OPERATION

Disconnect and inspect the windshield wiper motor connector.

Repair:
- corrosion (install new connector or terminal - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the windshield wiper motor connector. Make sure it seats and latches correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

INSTALL a new windshield wiper motor.
REFER to: Windshield Wiper Motor (501-16 Wipers and Washers, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST M : THE REAR WINDOW WASHER IS ALWAYS ON

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

Wiring, terminals or connectors
BCMC
Wiper/washer switch
Windshield wiper motor
SCCM

Visual Inspection and Pre-checks

Inspect the wiper/washer switch for damage.

M1 CHECK THE WIPER/WASHER SWITCH INPUT USING THE REAR WIPER WASH SWITCH (R_WIPE_WASH_SW) PID (PARAMETER IDENTIFICATION)

Ignition ON.

Using a diagnostic scan tool, view the SCCM Parameter Identifications (PIDs).

Access the SCCM and monitor the R_WIPE_WASH_SW PID
.

Activate and release the rear window wash function on the wiper/washer switch.

Does the PID indicate correctly when the switch is activated and released?

Yes

GO to M2

M2 CHECK THE WASHER PUMP RELAY COIL CONTROL CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Disconnect Windshield Wiper Motor C1655 .

Disconnect BCMC C1035B .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1655-12 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to M4

GO to M3

M3 ISOLATE THE WASHER PUMP RELAY COIL CONTROL CIRCUIT SHORT TO GROUND

Ignition OFF.

Disconnect BCMC C1035B .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1655-12 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to M4

No	REPAIR the circuit.

M4 CHECK THE WASHER PUMP RELAY OUTPUT CIRCUIT FOR A SHORT TO VOLTAGE

Disconnect Windshield Washer Pump C137 .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C137-1 Ground

Is any voltage present?

Yes

GO to M5

GO to M6

M5 CHECK THE WASHER PUMP RELAY OUTPUT CIRCUIT FOR A SHORT TO VOLTAGE IN THE BCMC (BODY CONTROL MODULE C)

Ignition OFF.

Disconnect BCMC C1035B .

Ignition ON.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C137-1 Ground

Is any voltage present?

Yes

REPAIR the circuit.

M6 CHECK FOR CORRECT WINDSHIELD WIPER MOTOR OPERATION

Disconnect and inspect the windshield wiper motor connector.

Repair:
- corrosion (install new connector or terminal - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary

Reconnect the windshield wiper motor connector. Make sure it seats and latches correctly.

Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

INSTALL a new windshield wiper motor.
REFER to: Windshield Wiper Motor (501-16 Wipers and Washers, Removal and Installation).
TEST the system for normal operation. If the concern is still present, CHECK OASIS for any applicable service articles: TSB, GSB, SSM, or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new SCCM.
REFER to: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST N : THE FRONT CAMERA WASHER IS INOPERATIVE

Normal Operation and Fault Conditions

REFER to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

Front camera washer hose or fittings
Front camera washer jet

Visual Inspection and Pre-checks

Inspect the front camera washer jet for damage
Inspect the front camera washer hose and fittings for damage

N1 CHECK THE WINDSHIELD WASHER OPERATION

Ignition ON.

Momentarily activate the windshield washer function.

Does the windshield washer operate?

Yes

GO to N2

No	GO to Pinpoint Test H

N2 CHECK FOR WASHER SOLVENT TO THE FRONT CAMERA WASHER JET

Ignition OFF.

Disconnect the washer hose from the front camera washer jet and place it in a container to capture fluid.

Ignition ON.

Momentarily activate the windshield washer function.

Is washer fluid emitted at the washer hose?

Yes

INSTALL a new front camera washer jet.

No	REPAIR the front camera washer hoses or fittings as necessary.

PINPOINT TEST O : THE REAR CAMERA WASHER IS INOPERATIVE

Normal Operation and Fault Conditions

REFER to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

Rear camera washer hose
Rear camera washer jet

Visual Inspection and Pre-checks

Inspect the rear camera washer jet for damage

O1 CHECK THE REAR WINDOW WASHER OPERATION

Ignition ON.

Momentarily activate the rear window washer function.

Does the rear window washer operate?

Yes

GO to O2

No	GO to Pinpoint Test L

O2 CHECK FOR WASHER SOLVENT TO THE REAR CAMERA WASHER JET

Ignition OFF.

Disconnect the washer hose from the rear camera washer jet and place it in a container to capture fluid.

Ignition ON.

Momentarily activate the rear window washer function.

Is washer fluid emitted at the washer hose?

Yes

INSTALL a new rear camera washer jet.

No	REPAIR the rear camera washer hoses or fittings as necessary.

PINPOINT TEST P : DTCS B10AD:55 OR B1131:55

Normal Operation and Fault Conditions

REFER to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
SCCM B10AD:55	Rain Sensor: Not Configured	This DTC sets when the SCCM has not been programmed or incorrectly programmed.
SCCM B1131:55	Wiper motor module: Not Configured	This DTC sets when the SCCM has not been programmed or incorrectly programmed.

Possible Sources

SCCM

P1 CHECK FOR DTCS B10AD:55 OR B1131:55

Ignition ON.

Using a diagnostic scan tool, carry out the SCCM self test.

Are DTCs B10AD:55 or B1131:55 present?

Yes

CHECK OASIS for any applicable service articles: TSB, GSB, SSM, or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL SCCM AS BUILT DATA.
REFER to: Module Programming (418-01 Module Configuration, General Procedures).

No	The system is operating correctly at this time. The concern may have been caused by an intermittent condition. DIAGNOSE the observable symptom.

PINPOINT TEST Q : DTCS B10AD:49

Normal Operation and Fault Conditions

REFER to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
SCCM B10AD:49	Rain Sensor: Internal Electronic Failure	This DTC sets when the SCCM detects an internal failure in the rain sensor or when the rain ensor is not installed correctly.

Possible Sources

Rain Sensor
SCCM

Q1 CHECK FOR DTC B10AD:49

Ignition ON.

Verify the Rain Sensor is correctly installed.

Using a diagnostic scan tool, carry out the SCCM self test.

CLEAR all DTCs and carry out the SCCM self test again.

Does DTC B10AD:49 return?

Yes

INSTALL a new rain sensor.
REFER to: Rain Sensor (501-16 Wipers and Washers, Removal and Installation). TEST the system for normal operation. If the concern is still present, CHECK OASIS for any applicable service articles: TSB, GSB, SSM, or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new SCCM.
REFER to: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by an intermittent condition. DIAGNOSE the observable symptom.

PINPOINT TEST R : DTCS B1131:49

Normal Operation and Fault Conditions

REFER to: Steering Wheel and Column Electrical Components - System Operation and Component Description (211-05 Steering Wheel and Column Electrical Components, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
SCCM B1131:49	Wiper motor module: Internal Electronic Failure	This DTC sets when the SCCM detects an internal failure in the Wiper Motor.

Possible Sources

Windshield Wiper Motor
SCCM

R1 CHECK FOR DTC B1131:49

Ignition ON.

Using a diagnostic scan tool, carry out the SCCM self test.

CLEAR all DTCs and carry out the SCCM self test again.

Does DTC B1131:49 return?

Yes

INSTALL a new wiper motor.
REFER to: Windshield Wiper Motor (501-16 Wipers and Washers, Removal and Installation). TEST the system for normal operation. If the concern is still present, CHECK OASIS for any applicable service articles: TSB, GSB, SSM, or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new SCCM.
REFER to: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).

No	The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST S : THE HEADLAMP CLEANING SYSTEM IS INOPERATIVE

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

Fuse 62 (15A)
BCMC
Headlamp washer pump
Headlamp washer jet
Wiring, terminals or connectors

Visual Inspection and Pre-checks

Inspect the headlamp washers and jets for damage
Inspect BCMC headlamp washer fuse 62 (15A) and make sure it is OK.

S1 CHECK THE VOLTAGE AT THE HEADLAMP WASHER SYSTEM RELAY

Ignition OFF.

Disconnect BCMC C1035B..

Use a fused jumper to activate the Headlamp washer relay.

Connect The fused jumper to the BCMC side of C1035B-23 and Ground..

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1035B-9 BCMC side Ground

Is the voltage greater than 11 volts??

Yes

GO to S2

GO to S7

S2 CHECK THE HEADLAMP WASHER PUMP CIRCUIT

Ignition OFF.

CHECK the operation of the headlamp washer system.

NOTE: Bridging a fused jumper between Battery Positive and the BCMC C1035B-9 will create a power at all times for the headlamp washer. No key ON is needed. Test:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

Battery positive C1035B-9

Does the headlamp cleaning system operate?

Yes

GO to S5

GO to S3

S3 CHECK VOLTAGE AT THE HEADLAMP WASHER SYSTEM PUMP

Connect BCMC C1035B .

Disconnect C153 Headlamp Washer Pump.

Ignition ON.
- SWITCH ON the low beam.
- NOTE: For the first 10 minutes after the wash/wipe switch is first activated, the headlamp washer system operates every fifth time the wash/wipe switch is activated. If the wash/wipe switch is activated again after 10 minutes then the headlamp washing system is activated and the timer is restarted.
  SWITCH ON the front windshield washer and keep the wash/wipe system switch pressed during the measurement.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C153-2 Ground

Is the voltage greater than 11 volts?

Yes

GO to S4

No	REPAIR the circuit.

S4 CHECK THE HEADLAMP WASHER SYSTEM PUMP GROUND

SWITCH OFF the low beam.

Ignition OFF.

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C153-1 Ground

Is the resistance less than 3 ohms?

Yes

INSTALL a new headlamp washer pump. Refer to the appropriate section in Group 501 for the procedure.

No	REPAIR the circuit.

S5 CHECK THE HEADLAMP WASHER RELAY CONTROL CIRCUIT FOR AN OPEN

Disconnect BCMC C1035B .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1035B-23 C1655-10

Is the resistance less than 3 ohms?

Yes

GO to S6

No	REPAIR the circuit

S6 CHECK THE HEADLAMP WASHER SYSTEM RELAY CONTROL CIRCUIT FOR A SHORT TO VOLTAGE

Ignition ON.

Disconnect Windshield Wiper Motor C1655 .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1035A-23 Ground

Is any voltage Present?

Yes

REPAIR the circuit

GO to S7

S7 CHECK THE HEADLAMP WASHER SYSTEM RELAY FUSE 62 (15A) IN THE BCMC (BODY CONTROL MODULE C)

CHECK Inspect BCMC headlamp washer fuse 62 (15A)..

Is the fuse ok?

Yes

No	REPLACE the headlamp washer fuse. CHECK operation of system.

PINPOINT TEST T : THE HEADLAMP WASHER SYSTEM IS OPERATING ALL THE TIME

Normal Operation and Fault Conditions

REFER to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

Fuse 62 (15A)
Headlamp washer system relay
Wiring, terminals or connectors
BCMC

Visual Inspection and Pre-checks

Inspect the headlamp washers and jets for damage
Inspect BCMC headlamp washer fuse 62 (15A) and make sure it is OK.

T1 CHECK THE HEADLAMP WASHER PUMP VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE

Ignition ON.

Disconnect BCMC C1035B .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1035B-9 Ground

Is any voltage Present?

Yes

REPAIR the circuit

GO to T2

T2 CHECK THE HEADLAMP WASHER SYSTEM RELAY CONTROL CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Disconnect Windshield Wiper Motor C1655 .

Measure:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1035B-23 Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to T3

No	REPAIR the circuit

T3 CHECK FOR CORRECT BCMC (BODY CONTROL MODULE C) OPERATION

Disconnect and inspect all the BCMC and related in-line connectors:

Repair:
- corrosion (install new connector or terminals – clean module pins)
- damaged or bent pins – install new terminals/pins
- pushed-out pins – install new pins as necessary

Reconnect the BCMC connectors. Make sure they seat and latch correctly.

Is the concern still present?

Yes

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

PINPOINT TEST U : THE HEATED WIPER BLADES ARE INOPERATIVE

Refer to Wiring Diagrams Cell 56 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

Possible Sources

Fuse
BCMC
Wiring, terminals or connectors
Heated wiper blade

Visual Inspection and Pre-checks

Verify BCMC fuses 133 (15A) and fuse 78 (50A) are OK.
Inspect the heated wiper blades and electrical connectors for damage.

U1 CHECK THE HEATED WINDSHIELD GRID VOLTAGE (IF EQUIPPED)

NOTICE: The following Pinpoint Test uses a test light to simulate normal circuit loads. Use only a Rotunda Test Lamp (SGT27000) or 250-300mA incandescent bulb test lamp. To avoid connector terminal damage, use the Rotunda Flex Probe kit for the test lamp probe connection to the vehicle. Do not use the test lamp probe directly on any connector.

Ignition OFF.

Disconnect: Left Heated Windshield Element C1531.

Disconnect: Right Heated Windshield Element C1532.

Ignition ON.

Activate the Heated Windshield.

Connect:
Click to display connectors

Vehicles equipped with heated windshield and heated wiper blades.

Positive Lead	Measurement / Action	Negative Lead
C1531-1		Ground
Positive Lead	Measurement / Action	Negative Lead
C1532-1		Ground

Does the test lamp illuminate when the Heated Windshield or Heated Wiper Park is activated?

Yes

GO to U2

No	Diagnose the heated windshield system concern before attempting to diagnose any heated wiper park system concerns. REFER to: Glass, Frames and Mechanisms (501-11 Glass, Frames and Mechanisms, Diagnosis and Testing).

U2 CHECK THE HEATED WIPER BLADE VOLTAGE SUPPLY CIRCUIT

Ignition OFF.

Disconnect Right Heated Wiper Blade Element C1737 .

Disconnect Left Heated Wiper Blade Element C1738 .

Ignition ON.

Activate the Heated Windshield or Heated Wiper Blades.

Connect:
Click to display connectors

Positive Lead	Measurement / Action	Negative Lead
C1737-1		Ground
Positive Lead	Measurement / Action	Negative Lead
C1738-1		Ground

Does the test lamp illuminate when the rear window defrost is activated?

Yes

GO to U3

No	VERIFY the BCMC fuses 133 (15A) and 78 (50A) are OK. If OK, REPAIR the circuit in question. If not OK, REFER to the Wiring Diagrams manual to identify the possible causes of the circuit short.

U3 CHECK THE HEATED WIPER BLADE GROUND CIRCUIT

Ignition OFF.

Connect:
Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1737-2 Battery positive

Click to display connectors

Positive Lead Measurement / Action Negative Lead

C1738-2 Battery positive

Does the test lamp illuminate?

Yes

INSTALL a new windshield wiper blade.
REFER to: Windshield Wiper Pivot Arm (501-16 Wipers and Washers, Removal and Installation).

No	REPAIR the circuit.

PINPOINT TEST V : DTC (DIAGNOSTIC TROUBLE CODE) B124E:11, B124E:13, B124E:55, B124E:96 OR B124E:9E

Refer to Wiring Diagrams Cell 81 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Wipers and Washers - System Operation and Component Description (501-16 Wipers and Washers, Description and Operation).

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
SCCM B124E:11	Wiper Stalk Switch Pack: Circuit Short To Ground	Sets when the SCCM detects a short to ground from the wiper stalk switch pack.
SCCM B124E:13	Wiper Stalk Switch Pack: Circuit Open	Sets when the SCCM detects an open circuit from the wiper stalk switch pack.
SCCM B124E:55	Wiper Stalk Switch Pack: Not Configured	Sets when the SCCM detects an improper or unexpected signal from the wiper stalk switch pack.
SCCM B124E:96	Wiper Stalk Switch Pack: Component Internal Failure	Sets when the SCCM detects an improper or unexpected signal from the wiper stalk switch pack.
SCCM B124E:9E	Wiper Stalk Switch Pack: Stuck On	Sets when the SCCM detects an improper or unexpected signal from the wiper stalk switch pack.

Possible Sources

Wiring, terminals or connectors
Wiper/washer switch
SCCM

Visual Inspection and Pre-checks

Verify BCM-C fuse 69 (30A) is OK.

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

V1 CHECK FOR SCCM (STEERING COLUMN CONTROL MODULE) DTC (DIAGNOSTIC TROUBLE CODE) B124E:11, B124E:13, B124E:55, B124E:96 OR B124E:9E

Ignition ON.

Using a diagnostic scan tool, carry out the SCCM self-test.

Is DTC B124E:11, B124E:13, B124E:55, B124E:96 OR B124E:9E present?

Yes

REMOVE the Wiper Stalk Switch Pack and inspect the pins and terminals for damage and corrosion and repair as needed. If ok, INSTALL a new Wiper Stalk Switch Pack
REFER to: Steering Column Multifunction Switch RH (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
. CLEAR the DTC and RETEST. If the DTC returns, CHECK OASIS for any applicable service articles: TSB, GSB, SSM, or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new SCCM.
REFER to: Steering Column Control Module (SCCM) (211-05 Steering Wheel and Column Electrical Components, Removal and Installation).
.

No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Description and Operation - Wipers and Washers - System Operation and Component Description

System Operation System Diagram Item Description 1 Wiper/Washer Switch 2 Rain Sensor 3 Washer Motor 4 SCCM 5 Windshield Wiper Motor 6 GWMGWM 7 BCM 8 IPC 9 PCM 10 BCMC 11 Wiper Relay 12 BCMC 13 Rear Window Washer Relay 14 Rear Wiper Motor Network Message Chart SCCM Network Input Messages Broadcast Message Originating Module Message Purpose Vehicle speed PCM The SCCM uses vehicle speed information for operation of the speed sensitive wiper function...

General Procedures - Washer Hose Coupling

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Other information:

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The following conditions help to explain why the engine is on, and what you can do to allow all electric operation. Drive Power: The engine is on due to accelerator pedal pressure or speed control activation. Reduce pressure on the accelerator pedal or switch off the speed control to return to full electric mode...

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Child Seats

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Using Lap and Shoulder Belts

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Lincoln Aviator: Wipers and Washers / Diagnosis and Testing - Wipers and Washers

Description and Operation - Wipers and Washers - System Operation and Component Description

General Procedures - Washer Hose Coupling

Other information:

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Child Seats