Touareg V6-3.2L (BMX) (2005)
Wire resistance: max. 1.5 ohms
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Also check the wire for short circuit to B+ and Ground (GND).
Specified value: infinite ohms
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Check wire between 2-pin connector terminal 2 and Ground (GND) for open circuit according to wiring diagram.
Wire resistance: max. 1.5 ohms
If no malfunctions are found in wires:
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Now check voltage supply of Auxiliary Engine Coolant (EC) Pump Relay (J496).
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Connect multimeter to terminal 1 of relay carrier and Ground (GND) for voltage measurement.