Jetta L4-1.8L Turbo (AWD) (2000)
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Bridge connector contacts 3 + 4 using adapter cables from VAG 1594 and observe display.
If display jumps to approx. 143 °C:
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Press -> key.
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Press keys 0 and 6 for the "End data transfer" function and confirm input with the Q key.
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Switch off ignition.
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Replace Engine Coolant Temperature (ECT) sensor (G62).
If display remains at approx. -48 °C
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Press -> key.
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Press keys 0 and 6 for the "End data transfer" function and confirm input with the Q key.
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Switch off ignition.
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Check wiring using wiring diagram
Continuation of check when display approx. 143 °C:
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Pull the 4 pin connector off Engine Coolant Temperature (ECT) sensor (G62) with coolant temperature gauge sender (G2) -arrow-.
If display jumps to approx. -48 °C:
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Press -> key.
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Press keys 0 and 6 for the "End data transfer" function and confirm input with the Q key.
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Switch off ignition.
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Replace Engine Coolant Temperature (ECT) sensor (G62).
If display remains at approx. 143 °C:
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Press -> key.
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Press keys 0 and 6 for the "End data transfer" function and confirm input with the Q key.
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Switch off ignition.
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Check wiring using wiring diagram