Lincoln Aviator: Brake System / Parking Brake and Actuation
Removal
WARNING:
Service actions on vehicles equipped with electronic brake
booster and electronic parking brakes may cause unexpected brake
application, which could result in injury to hands or fingers...
Overview
The
parking brake system uses 2 switch activated, Electronic Control Unit
(ECU) controlled motors to apply and release the rear brake calipers...
Other information:
Removal
NOTE:
Driver seat with power head restraint shown, other seats similar.
Move the front seat to the full upward and forward position.
Depower the SRS.
Refer to: Supplemental Restraint System (SRS) Depowering (501-20B Supplemental Restraint System, General Procedures)...
System Operation
System Diagram - Push Button Ignition Switch
Item
Description
1
HS1-CAN
2
Ignition Switch (push button)
3
GWM
4
PCM
5
Ignition Mode Indicator
6
BCM
7
Run/Start Relay
Network Message Chart - Push Button Ignition Switch
GWM Module Network Input Messages
Broadcast Message
Originating Module
Message Purpose
Ignition status
BCM
This message informs the GWM of the current ignition status; off, run, start, unknown or invalid...