Safety Measures and Basic Info. For Troubleshooting and Repair

Safety precautions and troubleshooting basics

General information for troubleshooting

- ABS is a vehicle safety system; specific system knowledge is absolutely necessary for working on the system

- Before working on the ABS system, check DTC memory to determine existing malfunctions and to perform a guided fault finding.

- Make sure ignition is switched off before disconnecting harness connectors.

- Do not drive with connector disconnected from ABS control module.

- Malfunctions in the ABS system are indicated by illumination of the ABS warning light. Certain malfunctions cannot be recognized until after the minimum speed of 20 km/h is reached (road test vehicle).

- If the ABS warning light -K47 and the warning light for brake system -K118- are not lit, but the brake system is not functioning properly, check for malfunctions in the mechanical/hydraulic part of the brake system.