Removing and installing rear side airbag crash sensor on driver side G256 and rear side airbag crash sensor on front passenger side G257 (curtain airbag) — AUDI

🧭 Before you start

Fits: Audi A6 C6 (4F, 2004–2011)

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• Contrary to the description in "“Disconnecting and connecting the battery”" (Electrical system27) the battery must, when removing the airbag, be disconnected with the ignition switched on.
• Make sure electrical connectors are fitted correctly (as far as stop) and engage audibly.Make sure that wiring is not trapped.
• Make sure nobody is in the vehicle when the battery is being connected. — Connect battery earth strap.
• If airbag warning lamp K75 indicates a fault following installation, use vehicle diagnostic, testing and information systemVAS 5051B to interrogate, erase and then re-interrogate event memory.

📋 Procedure

1. ⚠ Observe safety regulations for working on airbags . — Switch on ignition. [Note: Contrary to the description in "“Disconnecting and connecting the battery”" (Electrical system27) the battery must, when removing the airbag, be disconnected with the ignition switched on.]
2. Disconnect battery earth strap Electrical system27.
3. Remove rear seat bench .
4. Remove rear seat backrest .
5. Remove rear seat bench .

6. Remove side airbag (rear) .
7. Press part (3) (green colour) of connector (4) towards crash sensor and release connector.
8. Unplug connector (4) (yellow colour) from crash sensor (1).
9. Remove cap nuts (2) (2x).
10. Detach crash sensor for rear side airbag (curtain airbag) (1) from studs.
11. Pull out catch (4) downwards (arrow A), press down catch (arrow B) and unplug electrical connector (3) at crash sensor.
12. Unscrew nut (1) and detach crash sensor (2) for side airbag (rear) from studs. [Note: Make sure electrical connectors are fitted correctly (as far as stop) and engage audibly.Make sure that wiring is not trapped.]
13. ⚠ Make sure nobody is in the vehicle when the battery is being connected. — Connect battery earth strap.
14. Observe measures to be taken after connecting the battery Electrical system27. [Note: If airbag warning lamp K75 indicates a fault following installation, use vehicle diagnostic, testing and information systemVAS 5051B to interrogate, erase and then re-interrogate event memory.]

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