Airbag Control Module (J234)

2012 Audi S4 Quattro Sedan (8K2) V6-3.0L SC (CCBA)SECTION Airbag Control Module (J234)





Airbag Control Module (J234)

Removing

Follow all safety precautions when working on pyrotechnic components.

- Turn on the ignition.

- Disconnect the battery ground cable from the battery with the ignition on.

- Remove center console. Refer to => [ Center Console ] Center Console.

- Remove the bracket for the center console. Refer to => [ Center Console Bracket ] Center Console Bracket.

- Remove the rear air guide channel.






Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.


- Fold the floor covering on the airbag control module back, and cut the floor covering open along the floor covering if you need to.

- Slide the retainer - 7 - on the connector in the direction of the - arrow -.

- Press the release button - 6 -, opening the retainer - 5 - on the connector and remove the electrical connector - 4 -.

- Remove the nuts - 1 through 3 - and remove the airbag control module - A - from the threaded pins.

Installing

Follow all safety precautions when working on pyrotechnic components.

Before handling pyrotechnical components (for example, disconnecting the connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.


Install in reverse order of removal. Note the following:

Make sure the connectors are installed all the way in and are secure.

Connect the battery with the ignition switched on. Pyrotechnic components could deploy after connecting the battery if they were not repaired correctly. Individuals must not be inside the vehicle when connecting the battery.

- Connect the battery ground cable with the ignition turned on.

If the airbag indicator lamp (K75) indicates a fault after installation, the DTC memory must be checked, deleted and checked again using the Vehicle Diagnostic Tester.

After replacing the airbag control module (J234) , it must be coded using the Vehicle Diagnostic Tester.

The airbag control module (J234) is grounded via the housing with the body.

Tightening specifications, refer to => [ Airbag Control Module Overview ] Airbag Control Module Overview.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.