Operation CHARM: Car repair manuals for everyone.

Level Control System Indicator Lamps






Level Control System Indicator Lamps

Warning Lamps, Rabbit











Brake Pad Wear Indicator Lamp (K32)

If brake pad wear indicator lamp - 2 - does not switch off 3 seconds after the ignition is switched on or if it lights up when vehicle is driven, it could be caused by the following malfunctions:

- a - Brake pads may be worn.

Check front and rear axle brake pads/linings. Replace worn brake pads/linings.

- b - There is a wiring malfunction.

ABS indicator Lamp (K47)

If ABS warning lamp - 3 - does not go out after the ignition is switched on and the test sequence is complete, it could be caused by the following errors:

- a - Voltage supply is under 10 volts.

- b - There is an ABS malfunction.


The ABS system shuts off if there is malfunction - b - in the system, however the standard brake system remains fully functional.

- c - There was a periodic wheel speed sensor malfunction since the last vehicle start.

If this is the case, the ABS warning lamp will go out automatically after vehicle is started again and a speed of 20 km/h has been exceeded.

- d - The connection from instrument cluster to ABS control module (J104) is interrupted.

- e - The instrument cluster is faulty.

ABS indicator lamp (K47) and brake system indicator lamp (K118)

If ABS warning lamp - 3 - goes out but brake system indicator lamp - 4 - lights up, the malfunctions causes may be:

- a - Parking brake is engaged.

- b - Brake fluid level is too low (warning lamp blinks).

Three warning tones are audible after switching on the ignition.

- c - There is a malfunction in the wiring to brake system warning lamp.

If ABS indicator lamp - 3 - and brake system indicator lamp - 4 - lights up, ABS system is malfunctioning. A change in braking behavior should be checked.


After ABS indicator lamp and brake system indicator lamp light up, rear wheels may lock prematurely when braking.

Traction Control Indicator Lamp (K86)

If traction control indicator lamp - 1 - does not go out after the ignition is switched on and the test sequence is complete, malfunction causes may be:

There is a malfunction present which only affects the ASR. The ABS and EBD safety systems are still completely functional => DTC memory.

- a - Short to positive in ASR/ESP button (E256).

- b - A malfunction in activation of traction control indicator lamp (K86)

- c - ASR system was switched off by ASR/ESP Button (E256)

If traction control indicator lamp blinks while driving, ASR system is operating in regulated mode.

If traction control indicator lamp - 1 - did not light up during self-test, the following malfunction is present:

- a - the traction control indicator lamp is faulty => perform an electrical test.

ASR/ESP Indicator Lamp (K155)

If the ASR/ESP control lamp - 1 - does not turn off after the ignition is switched on and the test sequence is completed, the malfunction may be:

There is a malfunction present which only affects the ASR/ESP. The ABS/EDL and EBD safety systems are still completely functional => check DTC memory.

- a - Short circuit to B+ in ASR/ESP button (E256).

- b - A malfunction in the actuation of ASR/ESP indicator lamp.

- c - ASR/ESP system was switched off by ASR/ESP button

If ASR/ESP indicator lamp (K155) flashes while driving, the ASR or ESP systems are regulating the system.

If the ASR/ESP indicator lamp - 1 - did not light up during self-test, the following malfunction is present:

- a - The ASR/ESP indicator lamp is faulty => perform an electrical test.