Up To 08/1994

Function

Airbag Control Module J234 is located behind console on tunnel. It is equipped with DTC memory. Data Link Connector (DLC) is located behind cover under heater/ventilation controls.

Airbag Control Module J234 detects malfunctions as DTCs and stores them in permanent memory..

After switching on ignition, Airbag Malfunction Indicator Lamp (MIL) K75 illuminates for approx. 3 seconds and then goes out again.

If Airbag Malfunction Indicator Lamp (MIL) K75 does not go out again, voltage supply for Airbag Control Module J234 has an open circuit.

If a malfunction is present, Airbag Malfunction Indicator Lamp (MIL) K75 illuminates again.

To begin troubleshooting, initiate On Board Diagnostic (OBD) and read out stored data using Scan Tool (ST) V.A.G 1551.

indicated diagnostic data leads to a DTC table with notes regarding potential malfunction causes and specific repair procedures.

CAUTION:
- Only check wire routing visually.
- Do NOT perform any electrical continuity tests or measurements in ignition circuit.
- Make sure ignition is switched OFF before checking wire routing.