Jetta GLS VR6 V6-2.8L (AFP) (2001)
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Bridge harness connector terminals -1- + -3- using auxiliary cables from VW1594 and observe display.
If display jumps to approx. 140 °C:
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Press -> button.
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Press buttons -0- and -6- to select "End Output" function 06 and press -Q- button to confirm input.
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Switch ignition off.
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Replace Engine Coolant Temperature (ECT) sensor -G62- with Engine Coolant Temperature (ECT) sensor -G2-, item -23-.
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Check DTC memory. If necessary, repair any malfunctions and erase DTC memory.
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Display readiness code.
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If DTC memory has been erased or the Engine Control Module (ECM) was disconnected from permanent battery (B+) voltage, the readiness code
must be generated again.
If display remains at approx. -40 °C:
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Press -> button.
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Press buttons -0- and -6- to select "End Output" function 06 and press -Q- button to confirm input.
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Switch ignition off.
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Check wiring according to wiring diagram.
Continuation of check when display approx. 140.0 °C:
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Disconnect 4-pin harness connector from Engine Coolant Temperature (ECT) sensor -G62- with Engine Coolant Temperature (ECT) sensor -G2-
(arrow).
If display jumps to approx. -40.0 °C:
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Press -> button.
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Press buttons -0- and -6- to select "End Output" function 06 and press -Q- button to confirm input.
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Switch ignition off.
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Replace Engine Coolant Temperature (ECT) sensor -G62- with Engine Coolant Temperature (ECT) sensor -G2-, item 23.
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Check DTC memory. If necessary, repair any malfunctions and erase DTC memory.
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Display readiness code.