Electrical and Electronic Components and Component Locations
Electrical and Electronic Components and Component Locations
1 ABS Control Module (w/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.
• Removal and installation, refer to => [ Control Module and Hydraulic Unit ] Control Module and Hydraulic Unit.
2 ABS Hydraulic Unit (N55)
• Component location: in engine compartment, right.
The hydraulic unit consists of the components:
• ABS Hydraulic Pump (V64)
• Brake Pressure Sensor (G201)
• Valve block (contains the in/outlet valves).
• The ABS Hydraulic Pump (V64) and valve block must not be separated from one another.
• Removal and installation, refer to => [ Control Module and Hydraulic Unit ] Control Module and Hydraulic Unit.
3 Brake Pad Wear Indicator Lamp (K32)
• Component location: In the instrument cluster.
• Function, refer to => [ ABS Mark 60 Level Control System Indicator Lamps ] ABS Mark 60 Level Control System Indicator Lamps.
4 ABS Warning Lamp (K47)
• Component location: In the instrument cluster.
• Function, refer to => [ ABS Mark 60 Level Control System Indicator Lamps ] ABS Mark 60 Level Control System Indicator Lamps.
5 ASR/ESP Control Lamp (K155)
• Only on vehicles with ABS/EDL/ASR/ESP.
• Component location: In the instrument cluster.
• Function, refer to => [ ABS Mark 60 Level Control System Indicator Lamps ] ABS Mark 60 Level Control System Indicator Lamps.
6 Brake System Warning Lamp (K118)
• Component location: In the instrument cluster.
• Function, refer to => [ ABS Mark 60 Level Control System Indicator Lamps ] ABS Mark 60 Level Control System Indicator Lamps.
7 Brake Light Switch (F) through 10.05.2005
• Includes Brake Pedal Switch (F47).
• Component location: on brake pedal.
• Removal and installation, refer to => [ Brake Light Switch, through 10.05.2005 ] .
8 Brake Light Switch (F) from 10.05.2005
• Includes Brake Pedal Switch (F47).
• Component location: On brake master cylinder.
• Removal and installation, refer to => [ Brake Light Switch, from 10.05.2005 ] Brake Light Switch, from 10.05.2005.
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 Transverse Acceleration Sensor (G200), Rotation Rate Sensor (G202) and Longitudinal Acceleration Sensor (G251)
• Combined in one housing.
• Removal and installation, refer to => [ ESP Sensor Unit ] Service and Repair.
11 Diagnostic Connection
• Component location: cover in driver footwell.
12 Steering Angle Sensor (G85)
• Component location: On steering column between steering wheel and steering column switch.
• Removal and installation, refer to => [ Steering Angle Sensor ] Service and Repair.
13 Right Front ABS Wheel Speed Sensor (G45)/Left Front ABS Wheel Speed Sensor (G47)
• Removal and installation, refer to => [ Front ABS Components Assembly Overview ] Front ABS Components Assembly Overview.
14 Wheel Bearing Housing
15 Wheel Bearing and Wheel Hub Unit
• The ABS sensor ring is installed in the wheel bearing.
16 Right Rear ABS Wheel Speed Sensor (G44)/Left Rear ABS Wheel Speed Sensor (G46)
Front wheel drive shown.
• Removal and installation, Front Wheel Drive (FWD), refer to => [ Rear ABS Components Assembly Overview, FWD ] Rear ABS Components Assembly Overview, FWD.
17 Wheel Bearing Housing
Front wheel drive shown.
18 Wheel Bearing and Wheel Hub Unit
Front wheel drive shown.
• The ABS sensor ring is installed in the wheel bearing.