Passat GLS L4-1.8L Turbo (AUG) (2001)
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Disconnect connector -1- from 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 according to wiring diagram
Checking wiring
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Connect VAG 1598/31 adapter cable to control module wiring harness. Engine Control Module (ECM) is not connected.