Brake systems · Anti-lock brake system · Electrical/electronic components and locations
Bosch 8.2i; 9.0i ABS/EDL/TCS/ESP
- 1 ABS control unit - J104-
- Location: on the hydraulic unit on right in engine compartment.
- Do not separate connector before successfully completing self-diagnosis. Switch ignition off before separating connector.
The following components are integrated into the control unit:
- Lateral acceleration sender
- G200-
- Yaw rate sender - G202-
- Longitudinal acceleration sender - G251- (depending on equipment fitted)
- Removing and installing ⇒ 6.3 Bosch 8.2i; 9.0i ABS/EDL/TCS/ESP, LHD vehicles.
- 2 ABS hydraulic unit - N55-
The hydraulic unit consists of the components:
- ABS return flow pump - V39-
- Brake pressure sender - G201-
- Valve block (contains inlet and outlet valves).
- ABS return flow pump - V39- and valve block should not be separated from each other
- Removing and installing ⇒ 6.3 Bosch 8.2i; 9.0i ABS/EDL/TCS/ESP, LHD vehicles.
- 3 ABS warning lamp - K47-
- Location: in dash panel insert.
Function: ⇒ 5 Fault display via warning lamps.
- 4 ESP and TCS warning lamp - K155-
- Location: in dash panel insert.
Function: ⇒ 5 Fault display via warning lamps.
- 5 Brake system warning lamp - K118-
- Location: in dash panel insert.
Function: ⇒ 5 Fault display via warning lamps.
- 6 Brake light switch - F-
- Including brake pedal switch - F47-.
- Removing and installing ⇒ 5.8 Removing and installing brake light switch - F-, left-hand drive.
- 7 TCS and ESP button - E256-
- Location: in dash panel
- 8 Diagnostic connection
- Location: Driver footwell cover.
- 9 Steering angle sender - G85-
- Location: on steering column between steering wheel and steering column switch.
- Observe installation instructions.
⇒ 8.2 Removing and installing steering angle sender - G85-
- 10 Front right/left speed sensor -G45- / -G47-
- Removing and installing ⇒ 7.1.1 Removing and installing speed sensor on front axle.
- 11 Wheel hub with wheel bearing
- ABS sensor ring is installed in wheel bearing.
- 12 Rear right/left speed sensor -G44- / -G46-
- Removing and installing (disc brakes) ⇒ 7.3.1 Removing and installing speed sensor on rear axle
- Removing and installing (drum brakes) ⇒ 7.2.1 Removing and installing speed sensor on rear axle (drum brakes)
- 13 Wheel hub with wheel bearing
- ABS sensor ring is installed in wheel bearing.