Ford Escape: Parking Brake and Actuation / Description and Operation - Parking Brake - Overview
Overview
The
parking brake system uses 2 switch activated, Electronic Control Unit
(ECU) controlled motors to apply and release the rear brake calipers.
The ABS module controls and
monitors the parking brake system and sets Diagnostic Trouble Codes
(DTCs) when a fault is present in the system. The IPC
illuminates the parking brake warning indicator and displays a message
in the message center when a fault is present and when the parking
brakes are applied and released.
System Operation
System Diagram
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1
Parking Brake
Control Switch
2
LH Parking Brake
Actuator Motor
3
RH Parking Brake
Actuator Motor
..
Other information:
Removal
NOTE:
Removal steps in this procedure may contain installation details.
NOTE:
LH side shown, RH side similar.
Open the rear door.
Remove the rear door check arm bolt.
Torque:
18 lb.ft (25 Nm)
Remove the rear door trim panel.
Refer to: Rear Door Trim Panel (501-05 Interior Trim and Ornamentation, Re..
Power Transfer Unit
The
Power Transfer Unit (PTU) is a gearbox that attaches to the
transmission. The PTU directs power from the transmission differential
case through a dog clutch to a hypoid ring gear. A hypoid pinion gear is
meshed to the ring gear and splined to the output flange. A dog clutch
is used to transfer drive torque from the input shaft to the ring gear.
When the dog clutch ..