TorqFix

Removing and installing seat position sensor - equipment version with seat occupied sensor for belt-fastened recognition — AUDI

Removing and installing seat position sensor - equipment version with seat occupied sensor for belt-fastened recognition on Audi: 14 steps.

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

14 steps

🧭 Before you start

Fits: Audi A5 (8T, 2007–2016)

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  • Leave connector (1) with wire and cable clip on upper seat pan frame.
  • Leave connectors (2) and (6) with wires and wiring clips on upper seat pan frame.
  • Make sure electrical connectors are fitted correctly (as far as stop) and engage audibly.
  • 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 .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. — Switch on ignition.
  2. With ignition switched on, disconnect battery earth wire Electrical system27Battery; Disconnecting and connecting battery.
  3. Remove front seat:
  4. Attach front seat to seat repair standVAS 6136.
  5. Remove bolt (3).
AUDI? Steps differ between engine variants — check this job against your exact car before you commit to it. Check my car — free →
  1. Disengage hook (arrow) of seat position sensor (2) from lower seat pan frame (1).
  2. Open up corrugated tube and remove wire with connector for belt buckle (10-pin):
  3. Unfasten cable ties/cable clips as far as electrical connector (1).
  4. Unplug electrical connector (1). [Note: Leave connector (1) with wire and cable clip on upper seat pan frame.]
  5. Detach seat position sensor with wires from lower seat pan frame.
  6. Unfasten cable ties/cable clips as far as electrical connectors (2) and (6).
  7. Unplug electrical connectors (2) and (6). [Note: Leave connectors (2) and (6) with wires and wiring clips on upper seat pan frame.]
  8. Detach seat position sensor with wires from lower seat pan frame. [Note: Make sure electrical connectors are fitted correctly (as far as stop) and engage audibly.]
  9. ⚠ 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 .]

Who makes these pages, and how

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.