New Beetle L4-1.8L Turbo (BNU) (2005)
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Bridge terminals 1 + 2 of connector using the respective adapter cables while observing the indication on display.
If indication jumps to approx. 143 degrees C:
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End diagnosis and switch ignition off.
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Replace Intake Air Temperature (IAT) Sensor 2 -G299-.
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Erase DTC memory of Engine Control Module (ECM). Diagnostic mode 4: Reset/erase diagnostic data.
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Generate readiness code.
If indication remains at approx. -40 degrees C:
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End diagnosis and switch ignition off.
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Check wires to control module according to wiring diagram.
Continuation of test if indication is approx. 143 degrees C:
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Disconnect 2-pin connector from Intake Air Temperature (IAT) Sensor 2 -G299- (arrow).
If indication jumps to approx. -40 degrees C:
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End diagnosis and switch ignition off.
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Replace Intake Air Temperature (IAT) Sensor 2 -G299-.
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Erase DTC memory of Engine Control Module (ECM). Diagnostic mode 4: Reset/erase diagnostic data.
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Generate readiness code.
If indication remains at approx. 143 degrees C:
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End diagnosis and switch ignition off.
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Check wires to control module according to wiring diagram.
Check wires to control module
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Connect test box to control module wiring harness. connect test box for wiring test.