A4 Quattro Cabriolet L4-2.0L Turbo (BWT) (2009)
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Using a jumper wire, connect the Intake Air Temperature (IAT) Sensor (G42) electrical harness connector terminals 1 to 2.
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Check the value indicated on the scan tool display.
If indication jumps to approx. 140° C:
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End diagnosis and switch ignition off.
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Replace the Intake Air Temperature (IAT) Sensor ( G42).
If indication remains at approx. -40° C or -46° C:
°Testing if display approx. 140 C:
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Disconnect the Intake Air Temperature (IAT) Sensor (G42) electrical harness connector - 1 -.
