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Installing front interior light W1 with warning lamp for airbag deactivated on front passenger side — AUDI

Installing front interior light W1 with warning lamp for airbag deactivated on front passenger side on Audi: 10 steps.

Workshop procedure for AUDI — the exact step sequence and torque figures, straight from real workshop data.

10 steps

🧭 Before you start

Fits: Audi A4 Cabriolet B6/B7 (8H), Audi A2 (8Z), Audi A3 (8L, 1996–2003), Audi A4 B5 (8D), Audi A4 B6/B7 (8E), Audi A6 C5 (4B), Audi A8 D2 (4D), Audi A8 D3 (4E, 2002–2010), Audi A3 (8P, 2003–2012), Audi TT Mk1 (8N), Audi A6 C6 (4F, 2004–2011)

Don't miss

  • Plug in connectors to front interior light W1(1) and warning lamp for airbag deactivated on front passenger side K145.
  • Make sure nobody is in the vehicle when the battery is being connected. — Connect battery earth strap Electrical system27.

📋 Procedure

  1. Plug in connectors to front interior light W1(1) and warning lamp for airbag deactivated on front passenger side K145.
  2. Install front interior light W1(1) with cover panel (2).
  3. Switch on ignition.
  4. ⚠ Make sure nobody is in the vehicle when the battery is being connected. — Connect battery earth strap Electrical system27.
  5. Observe measures to be taken after connecting the battery Electrical system27.
AUDI? Steps differ between engine variants — check this job against your exact car before you commit to it. Check my car — free →
  1. Re-code airbag control unit J234.
  2. Perform functional test.
  3. Deactivate airbag on front passenger side with key-operated switch to deactivate airbag on front passenger side E224.
  4. Activate airbag on front passenger side with key-operated switch to deactivate airbag on front passenger side E224.
  5. Interrogate and erase fault memories of all control units. To do so, use a suitable vehicle diagnostic, testing and information system, e.g. vehicle diagnostic, testing and information systemVAS 5051B.

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TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.

The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.

Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.

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Workshop data on this page last updated 20 Sep 2026.