New Beetle L4-2.0L (BEV) (2004)
-
Disconnect 5-pin connector from Mass Air Flow (MAF) Sensor -G70- with Intake Air Temperature (IAT) Sensor -G42- (arrow).
Continuation for all vehicles
If indication jumps to approx. -40 or -46 degrees C:
-
End diagnosis and switch ignition off.
-
Replace Mass Air Flow (MAF) Sensor -G70- with Intake Air Temperature (IAT) Sensor -G42-:
-
Vehicles with engine code AEG, AVH, AZG, item 3,
-
Vehicles with engine code BDC, item 1.
-
Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data. See: Testing and Inspection/Scan Tool
Testing and Procedures/Diagnostic Mode 4: Reset/Erase Diagnostic Data
-
Generate readiness code. See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
If indication remains at approx.. 140 degrees C:
-
End diagnosis and switch ignition off.
-
Check wires according to wiring diagram.
Checking wiring
-
Connect test box to control module wiring harness, connect test box for wiring test. Engine Control Module (ECM) is not connected. See: Testing
and Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/With Generic Scan Tool/Test Box, Connecting For Wiring
Test
Vehicles with engine code AEG
-
Check wires between test box and 5-pin connector for open circuit according to wiring diagram.
-
Terminal 1+socket 40
-
Terminal 3 + socket 12
-
Wire resistance: max. 1.5 Ohms
Vehicles with engine code AVH, AZG, BDC