Operation CHARM: Car repair manuals for everyone.

Electrical/Electronic Components and Locations


Electrical/Electronic components and locations





1 - ABS and ABS/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 self-diagnosis
^ 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. 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 - Brake light switch - F
^ The brake light switch is open in the rest position;
^ Adjusting
^ Can be checked via read measured value block
4 - ABS warning light -K47
^ Location: In instrument cluster
^ Function
5 - Warning light for brake system - K11 8
^ Location: In instrument cluster
Function:
6 - ESP control lamp -K155 (only for vehicles with ASR)
^ Location: In instrument cluster
Function:
7 - Rear Right/left 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
Securing bolt tightening torque: 10 Nm
8 - Wheel hub with rotor for speed sensors
^ Rotor and speed sensors for rear left and right-hand sides are identical
^ Removing and installing
9 - Wheel hub with rotor for speed sensors
^ Rotor and speed sensors for front left and right-hand sides are identical
^ Removing and installing
10 - Front Right/left 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
Securing bolt tightening torque: 10 Nm
11 - Data Link Connector (DLC)
^ Installation position: in center console below heating/air conditioning controls unit