Touareg V8-4.2L (BHX) (2004)
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Continue test according to the following table:
*
If a temperature is indicated which differs greatly from ambient temperature of sensor, check sensor wires for contact resistance.
If specified value is obtained:
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Start engine and let run at idle. The temperature must
climb uniformly
‹› The temperature climbs in increments of 1.0° C.
‹› If the engine shows problems in certain temperature ranges and if the temperature does not climb uniformly, the temperature signal is intermittent
and the sensor should be replaced.
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Switch ignition off.
Continuation of test if indication is approx. -40° C:
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Disconnect 2-pin connector from Engine Coolant Temperature (ECT) Sensor (G62) (arrow).
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Bridge terminals 1 + 2 of connector using the respective adapter cables and observe the indication on display.