Golf GLS L4-2.0L (AEG) (2001)
Notes:
The temperature increases 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.
Continuation of test if indication is approx. -46.5°C:
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Disconnect 4-pin connector from Engine Coolant Temperature (ECT) sensor -G62- with Engine Coolant Temperature (ECT) sensor -G2- (arrow)
Vehicles with old connector shape
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Bridge terminals 1 + 3 of connector using the respective adapter cables and observe the indication on display.
Vehicles with newer connector shape
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Bridge terminals 3 + 4 of connector using the respective adapter cables and observe the indication on display.
Continuation for all connector shapes
If indication jumps to approx. 141.0°C:
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End diagnosis and switch ignition off.
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Replace Engine Coolant Temperature (ECT) Sensor -G62- with Engine Coolant Temperature (ECT) Sensor -G2-, item 13.
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Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data.
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Generate readiness code See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes