Removing and installing airbag unit (front passenger side) with igniters — AUDI

🧭 Before you start

Fits: Audi A3 (8V, 2012–2020); platform code 85

• Also covered elsewhere: Electronic parts catalogue

Don't miss

• Make sure electrical connectors are fitted correctly (as far as stop) and engage audibly.Make sure that wiring is not trapped.
• If the airbag warning lamp K75 indicates a fault following installation, you must interrogate, erase and then re-interrogate the event memory .

📋 Procedure

1. ⚠ Observe safety precautions when working on pyrotechnic components .Observe disposal regulations for pyrotechnic components .For correct combination of dash panel and airbag unit refer to Electronic parts catalogue. — With ignition switched on, disconnect battery earth wire Electrical system27Battery; Disconnecting and connecting battery.
2. Remove glove box .
3. Unclip electrical wiring at support for dash panel.
4. Remove bolt (2).
5. Disengage support (1) at dash panel (arrow) and detach.

6. ⚠ Before handling pyrotechnic components (e.g. unplugging the electrical connector) the mechanic must discharge any static electricity. This can be done by briefly touching the door striker plate, or similar. — Release connector locking element (2) with a small screwdriver (arrow).
7. Unplug electrical connector (1) at airbag igniter 1 on front passenger side N131.
8. ⚠ Before handling pyrotechnic components (e.g. unplugging the electrical connector) the mechanic must discharge any static electricity. This can be done by briefly touching the door striker plate, or similar. — Release connector locking element (2) with a small screwdriver (arrow).
9. Unplug electrical connectors (1) at airbag igniter 1 on front passenger side N131 and airbag igniter 2 on front passenger side N132.
10. ⚠ Hold airbag unit to prevent it from dropping. — Remove nuts (1 and 2).
11. Take out airbag (front passenger side) (3) downwards.
12. ⚠ Observe safety precautions when working on pyrotechnic components .Before handling pyrotechnic components (e.g. plugging in the electrical connector) the mechanic must discharge any static electricity. This can be done by briefly touching the door striker plate, or similar.For correct allocation of dash panel and airbag refer to Electronic parts catalogue. — Attach connector (1) to airbag igniter (arrow A).
13. Press in connector locking element (2)(arrow B). This inserts connector as far as possible in airbag igniter while at the same time locking it. [Note: Make sure electrical connectors are fitted correctly (as far as stop) and engage audibly.Make sure that wiring is not trapped.]
14. ⚠ The battery must be connected with the ignition switched on. If pyrotechnic components (e.g. airbag or belt tensioner) are inexpertly repaired, this may result in unwanted triggering after connecting the battery. There must not be anyone in the vehicle while you are connecting the battery. — With ignition switched on, connect battery earth wire Electrical system27Battery; Disconnecting and connecting battery. [Note: If the airbag warning lamp K75 indicates a fault following installation, you must interrogate, erase and then re-interrogate the event memory .]

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