Lock cylinder and Ignition/starter switch, servicing
WARNING: This page is about a different car, the 2002 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Before beginning repairs on the electrical system:
- Obtain the anti-theft radio security code.
- Switch the ignition off.
- Disconnect the battery Ground (GND) strap.
- After reconnecting vehicle battery, re-code and check operation of anti-theft radio. Also check operation of clock and power windows according to Repair Information and/or Owner's Manual.
NOTE:
Steps after reconnecting voltage supply. Refer to
Battery, disconnecting and connecting .
NOTE:
- Induction coil for anti-theft immobilizer is connected to lock cylinder and cannot be replaced individually.
- If the induction coil is faulty, the lock cylinder must be replaced.
- Observe induction coil specifications when replacing lock cylinders. Refer to Induction coil, replacing .