Rabbit L5-2.5L (BGP) (2006)
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Disconnect the electrical harness connector -1 - from the Engine Coolant Temperature (ECT) Sensor G62 .
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Using jumper wire , bridge electrical connector terminals 1 + 2 together and observe indication on display.
If indication jumps to approx. 140.0 degrees C:
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End diagnosis and switch ignition off.
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Replace Engine Coolant Temperature (ECT) Sensor G62.
If indication remains at approx. -40.0 degrees C:
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Check the wiring for a short circuit to Battery positive (+) or an open circuit.
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If necessary, repair the wiring connection.
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End diagnosis and switch ignition off.
Testing if display approx. 140.0 degrees C:
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Disconnect the electrical harness connector -1 - from the Engine Coolant Temperature (ECT) Sensor G62 .
If indication jumps to approx. -40.0 degrees C:
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End diagnosis and switch ignition off.
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Replace Engine Coolant Temperature (ECT) Sensor G62.
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End diagnosis and switch ignition off.
If indication remains at approx. 140.0 degrees C:
Checking wiring
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Using a Multimeter, check the following wiring connection for an open circuit.