Electrical/Electronic Components and Locations

Electrical/Electronic components and locations
1. ABS hydraulic unit -N55-
- Located on left of engine compartment.
- The ABS hydraulic pump -V64- and the inlet/outlet valves in the hydraulic unit are checked by On Board Diagnostic (OBD)
- The hydraulic pump -V64- and valve block must not be separated from one another
- Removing and installing:
- When changing the hydraulic unit always seal the old part with the plugs from the repair set Part No. 1 HO 698 311 A
2. ABS control module (w/EDL) -J104-
- Location: on hydraulic unit on left of engine compartment
- Checked by On Board Diagnostic (OBD)
- Checking the multi-pin connector to control module
- Do not disconnect connector before successfully completing OBD. Switch ignition off before separating connection.
3. ABS/EDL and ABS/EDL/ASR hydraulic unit -N55-
- Located on left of engine compartment.
- The ABS hydraulic pump -V64- and the inlet/outlet valves in the hydraulic unit are checked by On Board Diagnostic (OBD)
- The ABS hydraulic pump -V64- and valve block must not be separated from one another
- Removing and installing
- When changing the hydraulic unit, always seal the old part with the plugs from the repair set Part No. 1 HO 698 311 A
4. ABS/EDL and ABS/EDL/ASR Control Module -J104-
- Location: on hydraulic unit on left of engine compartment
- Checked by On Board Diagnostic (OBD)
- Checking the multi-pin connector to control module
- Do not disconnect connector before successfully completing OBD. Switch ignition off before separating connection.
5. Brake light switch -F-
- The brake light switch is open in the rest position;
- Adjusting
- Can be checked via read measured value block
6. Data Link Connector- (DLC)
- Installation position: in center console below heating/air conditioning controls
7. Longitudinal acceleration sensor -G251-
- All-wheel drive vehicles with Haldex coupling only
8. ABS warning light -K47-
- Location: instrument cluster
9. Warning light for brake system -K118-
- Location: instrument cluster
10. ESP control lamp -K155-
- Location: instrument cluster
11. Right/left front ABS wheel speed sensor -G45-/-G47-
- Checked by On Board Diagnostic (OBD)
- Before inserting the sensor clean the inner surface of the sensor mounting and coat with lubricating paste G 000 650
- When connecting the speed sensor wire ensure it is not twisted in the wheel housing
- Bolt tightening torque - 10 Nm
12. Wheel hub with impulse rotor for right/left front speed sensors
- Rotor and speed sensors for front left and right-hand sides are identical
- Removing and installing
13. Right/left rear ABS wheel speed sensor -G44-/-G46-
- Checked by On Board Diagnostic (OBD)
- Before inserting the sensor clean the inner surface of the sensor mounting and coat with lubricating paste G 000 650
- When connecting the speed sensor wire ensure it is not twisted in the wheel housing
- Bolt tightening torque - 10 Nm
14. Wheel hub with impulse rotor for right/left rear speed sensors
- Rotor and speed sensors for left and righthand sides are identical
- Removing and installing