Airbag system On Board Diagnostic (OBD) Up To 08.94: Function: Notes

WARNING: This page does not describe the selected car, but rather 19 other vehicles, including the 1999 Volkswagen Jetta, 1999 Volkswagen Golf, 1999 Volkswagen GTI, 1998 Volkswagen Jetta, and 1998 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.

The airbag control module -J234- is located under the console on the central tunnel. It is equipped with Diagnostic Trouble Code (DTC) memory. The Data Link Connector (DLC) is located behind a cover below the heating/ventilation controls.

The airbag control module -J234- detects malfunctions in the airbag system and stores them in a permanent memory.

When the ignition is switched on, the Airbag Malfunction Indicator Lamp (MIL) -K75- lights up for approx. 3 seconds, then goes out again.

If the airbag MIL -K75- stays on, the voltage supply to the airbag control module -J234- has been interrupted. Check the DTC memory and correct malfunctions, refer to DIAGNOSTIC TROUBLE CODE (DTC) TABLE .

If a malfunction has occurred, the airbag MIL - K75 - lights up again.

Before beginning the diagnostic procedure, check for stored Diagnostic Trouble Code (DTC) information using the VAG 1551 scan tool.

The malfunction information displayed by the VAG 1551 scan tool will guide you to troubleshooting information and repair instructions.

WARNING:

Check airbag system wiring by visual inspection only.
Do not check continuity or resistance of the airbag igniter circuits.
Switch off ignition before checking routing of wiring.