New Beetle L4-2.0L (AVH) (2005)
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Disconnect 5-pin connector from Mass Air Flow (MAF) sensor -G70- with Intake Air Temperature (IAT) sensor -G42- (arrow).
Continued for all vehicles
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Bridge connector terminals 1+3 using respective adapter cables while observing 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 Mass Air Flow (MAF) sensor -G70- with Intake Air Temperature (IAT) sensor -G42-.
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Erase DTC memory of Engine Control Module (ECM). Diagnostic mode 4: Reset/erase diagnostic data. See: Testing and Inspection/Scan Tool
Testing and Procedures/With Generic Scan Tool/Diagnostic Mode 4: Reset/Erase Diagnostic Data
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Generate readiness code. See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
If indication remains at approx -40 degrees C or -46 degrees C:
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End diagnosis and switch ignition off.
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Check wires according to wiring diagram.
Continuation of test if indication is approx. 140 degrees C
Vehicles with engine code AEG, AVH, AZG