Electrical and Electronic Components and Locations
Electrical and Electronic Components and Locations
1 Anti-lock Brake System (ABS) Hydraulic Unit (N55)
• Component location: In the right side plenum chamber.
The hydraulic unit consists of the components:
• ABS hydraulic pump (V64).
• Valve block (contains inlet and outlet valves).
• The ABS hydraulic pump and valve block must not be separated from one another.
• From calendar week 27.11.06 with the brake pressure sensor.
2 ABS Control Module (w/Electronic Differential Lock (EDL)) (J104)
• Component location: At the hydraulic unit on the right side of the plenum chamber.
• Do not disconnect the connector before successfully completing the On Board Diagnostic (OBD). Turn the ignition off before disconnecting the connector.
3 Brake Pressure Sensor (G201)
• Component location: through calendar week 27.11.06 on the brake master cylinder.
• Removing and installing, refer to => [ Brake Pressure Sensor 1 ] Service and Repair.
• From calendar week 03.12.06 in the ABS hydraulic unit.
4 Brake Booster Pressure Sensor (G294)
• Only installed on vehicles with a gas engine and automatic transmission.
• Component location: In the vacuum hose to the brake booster.
5 Brake System Vacuum Pump (V192)
• Only installed on vehicles with a gas engine and automatic transmission.
• Component location: In right front of the engine compartment.
• Removing and installing, refer to => [ Brake System Vacuum Pump, Gas Engine ] Service and Repair.
6 Anti-Slip Regulation (ASR)/Electronic Stabilization Program (ESP) Control Lamp (K155)
• Component location: In the instrument cluster.
Function, refer to => [ Level Control System Indicator Lamps ] Level Control System Indicator Lamps.
7 ABS Warning Lamp (K47)
• Component location: In the instrument cluster.
Function, refer to => [ Level Control System Indicator Lamps ] Level Control System Indicator Lamps.
8 Brake System Warning Lamp (K118)
• Component location: In the instrument cluster.
Function, refer to => [ Level Control System Indicator Lamps ] Level Control System Indicator Lamps.
9 ASR/ESP Button (E256)
• Component location: in the center console.
10 ESP Sensor Unit (G419)
• Component location: Beneath the center console.
• Combined with the transverse acceleration sensor (G200), rotation rate sensor (G202) and longitudinal acceleration sensor (G251).
• Combined in one housing.
• Observe the installation instructions, refer to => [ Electronic Stabilization Program Sensor Unit ] Service and Repair.
11 Steering Angle Sensor (G85)
• Component location: On the steering column between the steering wheel and steering column switch.
• Observe the installation instructions, refer to => [ Steering Angle Sensor ] Service and Repair.
12 Data Link Connection (DLC)
• Component location: under the cover in the driver footwell.
• Refer to.
13 Brake Lamp Switch (F) and Brake Pedal Switch (F47)
• Removing and installing, refer to => [ Brake Lamp and Brake Pedal Switch ] Service and Repair.
• Vehicles from 27.11.06 do not have a brake lamp switch.
14 Right Front ABS Wheel Speed Sensor (G45)/Left Front ABS Wheel Speed Sensor (G47)
• Replacing, refer to => [ Front Wheel Speed Sensor ] Front Wheel Speed Sensor.
15 Wheel Hub with Wheel Bearing
• 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)
• Replacing, refer to => [ Rear Wheel Speed Sensor ] Rear Wheel Speed Sensor.
17 Wheel Hub with Wheel Bearing
• The ABS sensor ring is installed in the wheel bearing.
DLC
