Air Bag Control Module: Service and Repair

Airbag Control Module

When working on the airbag control module (J234) , follow the general safety precautions for working on airbag, belt tensioner and battery cut-out units (pyrotechnic components), refer to => [ Pyrotechnic Components Safety Precautions ] Service Precautions.

Removing

- Disconnect the battery.

- Remove the bolt - 1 - (1.5 Nm).

- Remove the trim - 2 - from the center console in - direction of arrow -.






• The other parts of the center console do not need to be removed.

- Remove the nuts - 2 - (2.5 Nm).

- Remove the bracket - 1 - from the center tunnel.






- Remove the trim panel and bracket on the right side of the vehicle.

• Removing the right trim and the right bracket is identical.

- Open the locking mechanism - 2 - on the connector in - direction of arrow - and remove the wiring harness from the control module - 1 -.






• The control module is shown in the illustration without the other components around it.

- Remove the nuts - 1 - (9 Nm).

- Remove the control module - 2 - from the center tunnel.






Installation

- Install in reverse order of removal.

- Turn on the ignition.

Make sure no one is in the vehicle.

- Connect the battery.

- Code the airbag control module (J234) if it was replaced.

Components, Adapting

• Vehicle Diagnosis, Testing and Information System (VAS 5051B)

• Diagnostic cable (VAS 5051/1) or (VAS 5051/3)

Select "Guided Fault Finding" in the Vehicle Diagnosis, Testing and Information System (VAS 5051B).

After all control modules have been interrogated:

- Press "Go to" button

- Select "function/component selection".

- Select "Body".

- "Body Repairs"

- Select "01 - On board diagnostic-capable systems".

- Select "Airbag".

- Select "Functions".

- Select "Action".