A4 Sedan L4-2.0L Turbo (BPG) (2005)
Wiring Harness: Description and Operation
General Information
CAUTION:
Before beginning repairs on the electrical system:
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Where applicable, obtain anti-theft radio security code.
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Switch off all electrical consumers.
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Switch the ignition off and remove ignition key.
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Disconnect negative (-) battery terminal.
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On vehicles equipped with Audi Telematics by OnStar(R), switch-off the emergency (backup) battery for the Telematic/Telephone Control
Module prior to disconnecting vehicle battery
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After reconnecting vehicle battery, re-code and check operation of anti-theft radio. Also check operation of clock and power windows according to
Owners Manual.
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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
Special tools, testers and auxiliary items required
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Wiring harness repair set VAS 1978
NOTE:
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Wiring harness and connector repairs on the vehicle electrical system are only to be performed using wiring harness repair set VAS 1978.
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An instruction manual is included in the wiring harness repair set VAS 1978, in which the procedure for repairs is described in detail.