New Beetle L4-2.0L (AVH) (2005)
Wire resistance: max. 1.5 Ohms
If voltage supply and wires are OK.
-
Connect multimeter to terminal 4 of connector and engine Ground (GND) for voltage measurement.
-
Switch ignition on.
Specified value: at least 4.5 V
-
Switch ignition off.
If there is no voltage:
-
Check signal and Ground (GND) wire of Mass Air Flow (MAF) sensor.
Checking signal and Ground wires of Mass Air Flow (MAF) sensor
-
Connect test box to control module wiring harness. connect test box for wiring test. Engine Control Module (ECM) is not connected. See:
Computers and Control Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/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 3 + socket 12
Terminal 4 + socket 11
Terminal 5 + socket 13
Wire resistance: max. 1.5 Ohms
Vehicles with engine code AVH, AZG, BDC, BEV, BGD