Lincoln Aviator: Brake System / Hydraulic Brake Actuation
Special Tool(s) /
General Equipment
Interior Trim Remover
Removal
NOTE:
Removal steps in this procedure may contain installation details...
Removal
NOTICE:
Siphon the brake fluid from the HCU/EBB reservoir, if the
reservoir is not emptied there will be a large amount of brake fluid
spilled in the engine compartment...
Other information:
The system detects vehicles that approach
at a speed between 4 mph (6 km/h) and
37 mph (60 km/h). Coverage decreases when
the sensors are partially, mostly or fully
obstructed. Slowly reversing helps increase
the coverage area and effectiveness.
The system turns on when you start the
engine and you shift into reverse (R)...
System Operation
System Diagram
Item
Description
1
HS-CAN
2
LIN
3
Lower Active Grille Shutter Actuator
4
Upper Active Grille Shutter Actuator
5
ABS
6
SOBDMC
7
PCM
Network Message Chart
PCM Network Input Messages
Broadcast Message
Originating Module
Message Purpose
Vehicle speed
ABS module
Vehicle speed is used to determine positioning of the active grille shutters...