Electrical/Electronic Components and Locations

Electrical/Electronic components and locations





1 ABS hydraulic unit -N55
^ Located on left of engine compartment.
^ The 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
^ When changing the hydraulic unit, always seal the old part with the plugs from the repair set Part No. 1H0 698 311 A
2 ABS 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.
3 ABS/EDL and ABS/EDL/ASR hydraulic unit-N55
^ Located on left of engine compartment.
^ The 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
^ 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 -J10-
^ 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
^ 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 -K11 8
^ 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 right-hand sides are identical