Removing and installing airbag unit (front passenger side) with airbag igniter N131 — AUDI

🧭 Before you start

Fits: Audi A3 (8P, 2003–2012)

• Renewed: dash panel

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 airbag warning lamp K75 indicates a fault following installation, you must interrogate, erase and then re-interrogate the fault memory .

📋 Procedure

1. ⚠ Approx. in September 2008 the front passenger's airbag units and the corresponding securing nuts were modified.The old front passenger's airbag units must be secured with the old nuts; the new front passenger's airbag units must be secured with the new nuts.To find out whether an old or a new front passenger's airbag unit is installed, read off the unit's part number and check it against the Electronic parts catalogue. — With ignition switched off, disconnect battery earth wire 27.
2. Remove glove box .
3. ⚠ Before handling pyrotechnic components (e.g. unplugging the electrical connector) the mechanic must discharge static electricity by briefly touching the door striker plate, or similar. — Detach earth wire from front passenger's airbag unit (not shown in illustration).
4. Unplug electrical connector (6) for airbag igniter 1 on front passenger side N131.
5. To do so, pull catch (2) in direction of (arrow) and disconnect electrical connectors (1) and (3).

6. Unclip cable retainer (arrow) at guide for airbag unit.
7. Remove nuts (1, 2, 4, 5).
8. Take out airbag (front passenger side) (3) downwards. [Note: Make sure electrical connectors are fitted correctly (as far as stop) and engage audibly.Make sure that wiring is not trapped.]
9. ⚠ Approx. in September 2008 the front passenger's airbag units and the corresponding securing nuts were modified.The old front passenger's airbag units must be secured with the old nuts; the new front passenger's airbag units must be secured with the new nuts.To find out whether an old or a new front passenger's airbag unit is installed, read off the unit's part number and check it against the Electronic parts catalogue. — Renew dash panel after airbag triggering .
10. Switch on ignition.
11. ⚠ 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 27. [Note: If airbag warning lamp K75 indicates a fault following installation, you must interrogate, erase and then re-interrogate the fault memory .]

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