Airbag Control Module (J234)

Airbag Control Module (J234)

Removing


Follow all safety precautions when working on pyrotechnic components. Refer to => [ Restraint System Components General Safety Precautions ] .

- Switch the ignition on.

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

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

- Remove Multimedia Control Head (E380). Refer to => [ Center Console Overview ] .


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

- Remove nuts - 1 - (quantity: 3) from threaded pins.






- Remove Airbag Control Module - 2 - from threaded pins.

- Open securing clip at connector - 3 -.

- Remove connector - 3 -.

- Remove control module - 2 - from center console.

Installation


• Follow all safety precautions when working on pyrotechnic components. Refer to => [ Restraint System Components General Safety Precautions ] .

• Before handling airbag units (for example, when disconnecting the harness connector), the person handling them must discharge static electricity. For example, by briefly touching the door striker pin.

- Install control module - 2 - in reverse order of removal.






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

• Make sure the wires do not get caught.


Ignition must be on when connecting battery. If pyrotechnic components (for example, airbag, belt tensioner) are not repaired correctly, they may deploy unintentionally after connecting battery. Maintain personal safety when connecting the battery by staying out of airbag deployment areas, keeping a distance from belt tensioners/seat belts and ensuring no other people are in the vehicle interior at the moment when the battery is connected.

- Switch on ignition.

- 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 control module, it must be coded using the Vehicle diagnostic tester.

• The airbag control module ground connection is achieved via the housing with the body.

Tightening Specifications