Touareg 2 V6-3.6L (BHK) (2008)
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Check the electrical harness connector for damage, corrosion, loose or broken terminals.
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Repair any damage found to the electrical harness connector.
If the electrical harness connector is not OK:
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Repair the malfunction.
If the electrical harness connector is OK:
Checking voltage
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Switch the ignition on.
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Using a Multimeter, check the Power Supply Relay (terminal 15) (J329) socket 2/87 to Ground (GND).
Specified value: battery voltage.
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Switch the ignition off.
If the specified value was not obtained:
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Check the wiring from the Power Supply Relay (terminal 15) (J329) socket 2/87 to the Transmission Control Module (TCM) (J217) electrical
harness connector terminals 27 and 28 for an open circuit or a short circuit.
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If necessary, repair the faulty wiring connection.
If the specified value was obtained:
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Using a Multimeter, check the Transmission Control Module (TCM) (J217) electrical harness connector terminal 3 to Ground (GND).
Specified value: battery voltage.
If the specified value was obtained:
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Check the wiring from the Battery to the Transmission Control Module (TCM) (J217) electrical harness connector terminal 3 for an open circuit
or a short circuit.