A4 Quattro Wagon V6-3.0L (AVK) (2002)
Wiring Harness: Service Precautions
Safety Precautions For Repairing Wiring Harness And Connectors
CAUTION!
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Determine the correct coding for the anti-theft radio.
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Disconnect battery Ground (GND) strap before working on the electrical system.
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Before starting a repair, it is important to identify the cause of the malfunction (e.g. sharp edges on body panels, defective electrical
components, corrosion, etc.).
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Repairs must NOT be performed on wiring for the airbag system or on shielded wiring (such as wiring for speed sensors or knock
sensors).
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Additional information (e.g. for removing and installing the components) is listed in the relevant part.
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Only use yellow wires for repairs for wiring harnesses.
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A yellow wire or a section of wiring wrapped with yellow insulating tape will always indicate the location where wiring was repaired.
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After every repair, check the function of the components or system affected. if necessary, check DTC memory and reset systems to basic
settings.