Golf GL L4-2.0L (AVH) (2002)
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Bridge terminals 3 + 4 of connector using adapter cables from VAG1594 connector test kit, and observe what is indicated on display.
If indication jumps to approx. 140°C:
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Press -> button.
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Press buttons -0- and -6- to select "End data transfer" function 06. Press -Q- button to confirm input.
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Switch ignition off.
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Replace Engine Coolant Temperature (ECT) sensor (G62).
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Check DTC memory, repair any malfunctions and then erase DTC memory.
If indication remains approx. -40°C:
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Press -> button.
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Press buttons -0- and -6- to select "End data transfer" function 06. Press -Q- button to confirm input.
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Switch ignition off.
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Check wires according to wiring diagram.
Continuation of test if indication is approx. 140°C:
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Disconnect 4-pin connector from Engine Coolant Temperature (ECT) sensor -G62- with Engine Coolant Temperature (ECT) sensor -G2- (arrow)
If indication jumps to approx. -40°C:
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Press -> button.
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Press buttons -0- and -6- to select "End data transfer" function 06. Press -Q- button to confirm input.
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Switch ignition off.
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Replace Engine Coolant Temperature (ECT) sensor (G62).
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Check DTC memory, repair any malfunctions and then erase DTC memory.
If indication remains at approx. 140°C:
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Press -> button.
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Press buttons -0- and -6- to select "End data transfer" function 06. Press -Q- button to confirm input.
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Switch ignition off.