Passat Syncro Wagon V6-2.8L (ATQ) (2000)
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Pull connector (1) off Intake Air Temperature (IAT) sensor -G42- (2).
If indication jumps to approx. -48°C:
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Press -> button.
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Press buttons -0- and -6- to select "End Output" function 06. Press -Q- button to confirm input.
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Switch ignition off.
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Replace Intake Air Temperature (IAT) sensor -G42-.
If indication remains at approx. 143°C:
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Press -> button.
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Press buttons -0- and -6- to select "End Output" function 06. Press -Q- button to confirm input.
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Switch ignition off.
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Check wires (see wiring diagram).
Checking Wires
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Connect VAG 1598/31 test box to control module wiring harness. Engine Control Module (ECM) is not connected.