Jetta L4-2.0L (AZG) (2004)
-
Check for open circuits in wire between test box and 4-pin connector according to wiring diagram:
-
Vehicles with engine code AEG:
Terminal 3 + socket 48
Wire resistance: max: 1.5 Ohms
-
Vehicles with engine code AVH, AZG:
Terminal 3 + socket 39
Wire resistance: max: 1.5 Ohms
Continuation for all vehicles
-
Also check wires for short circuit to each other, to vehicle Ground (GND) and to B+. Specified value: Infinite Ohms
If no malfunctions are detected in the wires and the resistance values are OK:
-
Replace Motronic Engine Control Module (ECM) -J220-.