Removing and installing key operated switch to deactivate front passenger side airbag E224 — AUDI

🧭 Before you start

Fits: Audi Q7 (4L, 2005–2015)

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• 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 regulations for pyrotechnic components . — Switch on ignition.
2. With ignition switched on, disconnect battery earth wire Electrical system27.
3. Remove glove box .
4. ⚠ Before handling airbag units (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. — Press catch (1) in direction of (arrow) until connector disengages.
5. Unplug electrical connector (2).

6. Unscrew bolts (2).
7. Release retaining tabs in direction of (arrows) and pull housing for key-operated switch out of glove box.
8. Release retaining springs (arrow 1) (left and right) and slide key-operated switch to deactivate airbag on front passenger side E224(item 1) out of key-operated switch housing (arrow 2).
9. ⚠ Before handling airbag units (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. — Make sure that key-operated switch to deactivate airbag on front passenger side E224 engages audibly in housing.
10. Insert retaining tabs on housing (rear) (1) in glove box and clip in retaining tabs (front) (arrows).
11. Tighten bolts (2).
12. ⚠ 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. For safety reasons, when connecting the battery, keep clear of the airbag inflation areas and the belt tensioners/seat belts and make sure there is no-one else in the vehicle. — Switch on ignition.
13. With ignition switched on, connect battery earth wire Electrical system27.
14. 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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