New Beetle L4-2.0L (AZG) (2003)
Connect multimeter to connector terminals 2 + 6 for voltage measurement.
Switch ignition on.
Specified value: at least 4.5 V
Switch ignition off.
Connect test box to control module wiring harness.
Engine Control Module (ECM) is not connected.
Check wires between test box and 6-pin connector for open circuit according to wiring diagram:
^ Terminal 1 + socket 92
^ Terminal 2 + socket 83
^ Terminal 3 + socket 117
^ Terminal 4 + socket 84
^ Terminal 5 + socket 118
^ Terminal 6 + socket 91
^ Wire resistance: max. 1.5 ohms
Check wires for short circuit to each other, to vehicle Ground (GND) and to B+.
Specified value: infinte ohms
If no malfunctions are found in wires:
Check voltage supply of Engine Control Module (ECM)
Erase DTC memory of Engine Control Module (ECM)
Generate readiness code