ABS Mark 60, ABS, EDL, ASR and ESP, Through 05.08
Electrical and Electronic Component Locations
1 Anti-lock Brake System (ABS) control module (w/Electronic Differential Lock (EDL) (J104)
• Component location: At hydraulic unit on right side of engine compartment.
• Do not disconnect connector before successfully completing On Board Diagnostic (OBD). Switch ignition off before separating connector.
• Removing and installing, refer to => [ Brake Lines, Connecting to Master Cylinder and Hydraulic Unit ] Brake Lines, Connecting to Master Cylinder and Hydraulic Unit.
2 ABS hydraulic unit (N55)
• Component location: in engine compartment, on right side.
The hydraulic unit consists of the following components:
• ABS hydraulic pump.
• Brake pressure sensor.
• Valve block (contains the in/outlet valves).
• The ABS hydraulic pump and valve block must not be separated from one another.
• Removing and installing, refer to => [ Brake Lines, Connecting to Master Cylinder and Hydraulic Unit ] Brake Lines, Connecting to Master Cylinder and Hydraulic Unit.
3 Brake pad wear indicator lamp (K32)
• Component location: In the instrument cluster.
• Function, refer to => [ Level Control System Indicator Lamps ] Level Control System Indicator Lamps.
4 ABS warning lamp (K47)
• Component location: In the instrument cluster.
• Function, refer to => [ Level Control System Indicator Lamps ] Level Control System Indicator Lamps.
5 Anti-Slip Regulation/Electronic Stabilization Program (ASR/ESP) control lamp (K155)
• Only on vehicles with ABS/EDL/ASR/ESP.
• Component location: In the instrument cluster.
• Function, refer to => [ Level Control System Indicator Lamps ] Level Control System Indicator Lamps.
6 Brake system warning lamp (K118)
• Component location: In the instrument cluster.
• Function, refer to => [ Level Control System Indicator Lamps ] Level Control System Indicator Lamps.
7 Brake light switch (F) through 11.05.05
• Includes the brake pedal switch.
• Component location: on the brake pedal.
• Removing and installing, refer to => [ Brake Light Switch, through 11.05.05 ] Service and Repair.
8 Brake light switch (F) from 11.06.05
• Includes the brake pedal switch.
• Component location: On the brake master cylinder.
• Removing and installing, refer to => [ Brake Light Switch, from 11.06.05 ] Service and Repair.
9 ASR/ESP button (E256)
• Only on vehicles with ABS/EDL/ASR/ESP.
• Component location: in center console.
10 ESP sensor unit (G419)
• Only on vehicles with ABS/EDL/ASR/ESP.
• Component location: under the right front seat
• Combined with the transverse acceleration sensor, rotation rate sensor and longitudinal acceleration sensor.
• Combined in one housing.
• Removing and installing, refer to => [ ESP Sensor Unit ] Service and Repair.
11 Diagnostic connection
• Component location: under the cover in the driver footwell.
12 Steering angle sensor (G85)
• Component location: On steering column between steering wheel and steering column switch.
• Removing and installing, refer to => [ Steering Angle Sensor ] Service and Repair.
13 Right front wheel speed sensor (G45)/left front wheel speed sensor (G47)
• Removing and installing, refer to => [ ABS Component Assembly Overview, Front Axle ] ABS Component Assembly Overview, Front Axle.
14 Wheel bearing housing
15 Wheel bearing/hub unit
• The ABS sensor ring is installed in the wheel bearing.
16 Right rear wheel speed sensor (G44)/left rear wheel speed sensor (G46)
Front Wheel Drive (FWD) shown
• Removing and installing, with FWD. Refer to => [ ABS Component Assembly Overview, Rear Axle, FWD ] ABS Component Assembly Overview, Rear Axle, FWD.
• Removing and installing with All Wheel Drive, (AWD). Refer to => [ ABS Component Assembly Overview, Rear Axle, AWD ] .
17 Wheel bearing housing
FWD shown.
18 Wheel bearing/hub unit
FWD shown.
• The ABS sensor ring is installed in the wheel bearing.