Touareg V8-4.2L (BHX) (2004)
Wiring Harness: Procedures
Electrical System, General Repair Measures
Electrical System, General Repair Measures
CAUTION:
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Always refer to and heed CAUTION and WARNING texts associated with repair and/or removal and installation information.
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Only the yellow repair cables and insulation tape supplied with VAS 1978 are to be used for wiring/connector repairs. The use of yellow repair
wires and yellow insulation tape identifies that a repair has taken place.
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Before beginning wiring and connector repairs, determine and rectify the cause of damage, E.G.: pinched between metal parts, malfunctioning
electrical consumers, corrosion due to water ingress etc.
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Avoid loosening or removing any individual ground connections (potential for corrosion).
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When repairs are completed, always perform a functional check of the component or system. Where applicable, check and erase Diagnostic
Trouble Codes (DTCs) and set basic setting.
Safety Measures
Safety Measures
CAUTION:
Before beginning repairs on the electrical system:
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Obtain the anti-theft radio security code.
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Switch off all electrical consumers.
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Switch ignition off and remove ignition key.
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Disconnect negative (-) battery terminal.
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When disconnecting and reconnecting battery terminals, observe all applicable Notes and torque specifications, as well as instructions on
performing OBD program and electrical system function checks.
WARNING:
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HIGH VOLTAGE.
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Always disconnect battery Ground (GND) strap prior to servicing any parts of vehicle electrical system marked with the yellow "HIGH
VOLTAGE"symbol.
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After disconnecting battery, briefly turn affected system on and off in order discharge any residual voltage
CAUTION:
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Airbag harness and connector repairs must only be performed using VAS 1978 Wiring Harness Repair Kit and VAS 1978 Instruction Manual.
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Airbag harness and connector repairs must only be performed using genuine Volkswagen replacement terminals, connectors and harnesses.
Contact Surface Cleaning Set VAS 6410
Contact Surface Cleaning Set VAS 6410
Protecting
CAUTION!
Missing protection leads to the electrical system damage.
‹› All threaded connections must be tightened to the specified torque.
‹› When applying protection, always use the accompanying hose on the protection container.
‹› Protection wax is used in the cool area.
‹› Cavity protection wax is used in the warm area.
‹› The protection material draws itself into the affected places by capillary action.
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Hold the injector under the wiring eyelet and spray all around the pins.