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Volkswagen Workshop Service and Repair Manuals

Engine Coolant Temperature (ECT) Sensor (on Radiator) G83, Checking|Page 795 > < Engine Coolant Temperature (ECT) Sensor (on Radiator) G83, Checking|Page 793
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Disconnect the Engine Coolant Temperature (ECT) Sensor G62 electrical harness connector - 1 -.

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Using a jumper wire, connect the Engine Coolant Temperature (ECT) Sensor G62 electrical harness connector terminals 1 to 2.

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Check the value indicated on the scan tool display.

If the value jumps to approx. 140.0 degrees C

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End diagnosis and switch the ignition off.

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Replace the Engine Coolant Temperature (ECT) Sensor G62.

If indication remains at approx. -40.0 degrees C:

Testing if display approx. 140.0 degrees C:

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Disconnect the Engine Coolant Temperature (ECT) Sensor G62 electrical harness connector - 1 -.

If indication jumps to approx.- 40.0 degrees C:

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End diagnosis and switch ignition off.

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Replace the Engine Coolant Temperature (ECT) Sensor G62.

If indication remains at approx. 140.0 degrees C:

Checking wiring

If the manufacturers test box is being used. Perform the following step.

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Install the Test Box 105 Pin VAG1598/31.

If the manufacturers test box is not being used. Perform the following step.

Engine Coolant Temperature (ECT) Sensor (on Radiator) G83, Checking|Page 795 > < Engine Coolant Temperature (ECT) Sensor (on Radiator) G83, Checking|Page 793