Abs/ASR Indicator Lamps

Warning Lamps 

Item	Designation
1	Traction Control Indicator Lamp -K86-
2	Brake Pad Wear Indicator Lamp -K32-, installed in different locations
3	ABS Warning Lamp -K47-
4	Brake System Warning Lamp -K118-

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 malfunction in the wire routing. Refer to the appropriate SYSTEM WIRING DIAGRAMS information.

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.

-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- Connection from instrument cluster to ABS Control Module -J104- has an open circuit. Refer to the appropriate SYSTEM WIRING DIAGRAMS information.

-e- The instrument cluster is faulty.

ABS Warning Lamp -K47- and Brake System Warning Lamp -K118- 

• If the 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- a malfunction in wiring to brake system warning lamp. Refer to the appropriate SYSTEM WIRING DIAGRAMS information.

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

Traction Control Indicator Lamp -K86- 

• If the 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. Refer to Vehicle diagnosis, testing and information system VAS 5051 to check DTC memory.

-a- Short circuit to B+ in ASR/ESP Button -E256-.

-b- A malfunction in activation of traction control indicator lamp. Refer to the appropriate SYSTEM WIRING DIAGRAMS information.

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

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

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

-a- The traction control indicator lamp is malfunctioning. Refer to Vehicle diagnosis, testing and information system VAS 5051 for electrical testing.