Removing and installing airbag control unit J234, Multivan — AUDI

🧭 Before you start

Fits: VW Transporter T5 (7H), VW Transporter T5 (7J), VW Transporter T6 (7E), VW Transporter T6 (7F)

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• When working on airbag control unit J234, safety measures when working with pyrotechnic components must be observed . — Switch ignition on.
• It is vital for the control unit to be properly bolted before the ignition is switched on and the battery is connected.
• If control unit cannot be coded, all 4 crash sensors must be renewed.

📋 Procedure

1. ⚠ When working on airbag control unit J234, safety measures when working with pyrotechnic components must be observed . — Switch ignition on.
2. Disconnect vehicle battery Electrical system27Disconnecting and reconnecting battery.
3. Protect the seats from soiling.
4. Remove dash panel drink holder .
5. Remove right-hand dash panel side cover .

6. Remove left middle knee padding .
7. Remove right middle knee padding .
8. Remove glove compartment .
9. Remove right dash panel trim .
10. Remove footwell middle trim .
11. ⚠ Electrostatic discharges may result in unintentional triggering of airbag. Therefore, the mechanic must electrostatically discharge him/herself before disconnecting the igniter and earth wires. This can be carried out e.g. by briefly touching the body or striker plate of the door. — Fold back floor covering and place it onto seats.
12. Pull cover (1) off retaining pins.
13. Disconnect connector (4).
14. Remove hexagon nuts (3).
15. Remove airbag control unit J234(2). [Note: It is vital for the control unit to be properly bolted before the ignition is switched on and the battery is connected.]
16. Switch on ignition.
17. ⚠ Ensure that nobody is in vehicle. — Reconnect battery earth strap Electrical system27Disconnecting and reconnecting battery.
18. Finally, read and clear event memory of airbag control unit since faults may be stored as a result of disconnecting electrical connectors . [Note: If control unit cannot be coded, all 4 crash sensors must be renewed.]

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