General information
CAUTION:
Before beginning repairs on the electrical system:
- Where applicable, obtain anti-theft radio security code.
- Switch off all electrical consumers.
- Switch the ignition off and remove ignition key.
- Disconnect negative ( - ) battery terminal.
- On vehicles equipped with Audi Telematics by OnStar (R) , switch-off the emergency (back-up) battery for the Telematic/Telephone Control Module prior to disconnecting vehicle battery → 91 - COMMUNICATION
- 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 Owners Manual.
- After reconnecting vehicle battery on vehicles equipped with Audi Telematics by OnStar (R) , switch-on the emergency (back-up) battery for the Telematic/Telephone Control Module → 91 - COMMUNICATION
Special tools, testers and auxiliary items required
- Wiring harness repair set VAS 1978
NOTE:
- Wiring harness and connector repairs on the vehicle electrical system are only to be performed using wiring harness repair set VAS 1978.
- An instruction manual is included in the wiring harness repair set VAS 1978 , in which the procedure for repairs is described in detail.