volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Radiator Cooling Fan Temperature Sensor / Switch > < Radiator Fan - Stays On High Speed When Extremely Cold|Page 265
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Coolant Temperature Sensor/Switch (For Computer): Testing and Inspection

1.

Remove the harness plug from the sensor and check the resistance across the terminals.

Coolant Temperature Sensor Specification

2

The resistance/coolant temperature relationship should be within the range shown above.

3.

If the values are not within specification, replace the sensor.

Note: When replacing the coolant temperature sensor, drain and refill the engine coolant.

Radiator Cooling Fan Temperature Sensor / Switch > < Radiator Fan - Stays On High Speed When Extremely Cold|Page 265