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:
Removal steps in this procedure may contain installation details.
Remove the rear bumper cover.
Refer to: Rear Bumper Cover (501-19 Bumpers, Removal and Installation).
Disconnect the hands-free liftgate actuation module electrical connectors...
System Operation
System Diagram
Item
Description
1
RFA module
2
BCM
3
GWM
4
TCU
5
Bluetooth Antennas
Network Message Chart
RFA Module Network Input Messages
Broadcast Message
Originating Module
Message Purpose
BLEM Wait For Key Alert
TCU
The TCU sends the RFA module (also know as BLEM) an error message to restart the provisioning process with the onboard modules over again...