Removing and installing entry and start authorisation control unit J518 — AUDI

🧭 Before you start

Fits: Audi A8 D3 (4E, 2002–2010)

• Renewed: control unit

📋 Procedure

1. To renew control unit, select the "“Replacement”" function for the appropriate control unit in "“Guided Fault Finding”".
2. Remove driver's seat 72.
3. Switch off ignition and take out ignition key.
4. Remove lower A-pillar and B-pillar trim 70.
5. Fold back floor covering.

6. If fitted, unscrew bolts (arrows) and lay retainer with wiring harness to side.
7. Unscrew nuts (1) and (2).
8. Unplug electrical connectors (3) and (4) and take out entry and start authorisation control unit J518.
9. Install lower A-pillar and B-pillar trim 70.
10. Install driver's seat 72.

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