Rabbit L5-2.5L (BGP) (2006)
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Disconnect the electrical harness connector -1 - from Intake Air Temperature (IAT) Sensor G299 .
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Check the electrical harness connector for damage, corrosion, lose or broken terminals.
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Using a jumper wire , connect electrical harness connector terminals 1 + 2 together and observe the indication on display.
If indication jumps to approx. 140 degrees C:
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End diagnosis and switch ignition off.
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Replace Intake Air Temperature (IAT) Sensor G299.
If indication remains at approx. -40 degrees C or -46 degrees C:
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Check the wiring for a short circuit to Battery positive (+) or an open circuit.
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If necessary, repair the wiring connection.
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End diagnosis and switch ignition off.
Testing if display approx. 140 degrees C:
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Disconnect the electrical harness connector -1 - from Intake Air Temperature (IAT) Sensor G299 .
If indication jumps to approx. -40 degrees C or -46 degrees C:
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End diagnosis and switch ignition off.
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Replace Intake Air Temperature (IAT) Sensor G299.
If indication remains at approx. 140 degrees C:
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Check the wiring for a short circuit to Battery positive (+) or an open circuit.
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If necessary, repair the wiring connection.
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End diagnosis and switch ignition off.