A4 Quattro Cabriolet L4-2.0L Turbo (BWT) (2009)
Wiring Harness: Procedures
Wiring Harnesses and Connectors, Repairing
Wiring Harnesses and Connectors, Repairing
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.
‹› Steps after reconnecting voltage supply => See: Starting and Charging/Battery/Description and Operation/Battery.
=> [ Safety Precautions ]
=> [ General Information ]
=> [ 0.22 mm or 0.35 mm Wire Connection, Repairing ]
Safety Precautions
CAUTION!
‹› Before working on electrical system, disconnect battery ground (GND) strap.
‹› Before starting a repair, the cause of the damage must be eliminated first, i.e. sharp edges on body parts, faulty electrical components,
corrosion etc.
‹› Further information, e.g. installing and removing the individual components is described in the appropriate Repair Information.
‹› Wiring harness repairs may only be carried out using yellow wires.
‹› Every yellow wire and every location on wiring harness wrapped in yellow insulating tape indicates a previous repair.
‹› Shielded wires such as e.g. RPM sensor and knock sensors may not be repaired.
CAUTION!
‹› Wires at individual airbag modules may not be repaired.
‹› If wires or connectors at airbag modules are damaged, the respective airbag module must be replaced for safety reasons.
‹› Repairs on airbag wiring set must be performed exclusively on vehicle-side using wiring harness repair kit (VAS1978) and original
replacement parts (connector housing, terminals) in order to guarantee the repair quality required by Audi.
‹› Any warranty claims to Audi are void for repairs on airbag wiring set which were not performed using original replacement parts
and wiring harness repair kit (VAS1978).
General Information
Special tools, testers and auxiliary items required
‹› wiring harness repair kit (VAS1978)
‹› Repairs to wiring harnesses and connectors must only be performed using the wiring harness repair kit (VAS1978).
Detailed instructions on how to use (VAS1978) are supplied with the repair kit.