Level Control System Indicator Lamps

Level Control System Indicator Lamps

Warning Lamps









Brake Pad Wear Indicator Lamp (K32)

• If the 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 warning lamp (K47)

• If the 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.

CAUTION!
The ABS system remains switched off during an ABS malfunction - b -, but the traditional brake system remains fully functional.

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

In this case the ABS warning lamp will go out after the engine is restarted and the vehicle speed exceeds 20 km/h.

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

- e - The instrument cluster is faulty.

ABS warning lamp and brake system warning lamp (K118)

• If ABS warning lamp - 3 - goes out but brake system warning 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 the ABS warning lamp - 3 - and the brake system warning lamp - 4 - both light up, the ABS system is faulty. A change in braking behavior should be checked.

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

ASR/ESP control lamp (K155)

• If the ASR/ESP control lamp (K155) - 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 control lamp (K155).

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

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

• If the ASR/ESP control lamp (K155) - 1 - did not light up during self-test, the following malfunction is present:

- a - The ASR/ESP control lamp (K155) is defective => Perform electrical test.