Checking wires to Engine Control Module (ECM)

• Connect test box to control module wiring harness. Refer to Test box, connecting for wiring test 

Fig 1: Identifying 3-Pin Connector Terminals 1 & 3

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Check wires between test box and connector for open circuit according to wiring diagram.

Terminal 1+socket 98

Terminal 2+socket 86

Terminal 3 + socket 108

Wire resistance: max. 1.5 Ω

• Also check wires for short circuit to each other.

Specified value: ∞ Ω

If no malfunction is found in the wires and there was voltage between terminals 1 + 3:

• Replace Camshaft Position (CMP) Sensor -G40-. Refer to Parts of the ignition (vehicles with engine code AFP), removing and installing  , item 2
• Erase DTC memory of Engine Control Module (ECM). Refer to Diagnostic mode 4: Reset/erase diagnostic data 
• Generate readiness code. Refer to Readiness code, generating 

If no malfunction is found in the wires and there was no voltage between terminals 1 + 3:

• Replace Motronic Engine Control Module (ECM) -J220-. Refer to Engine Control Module (ECM), replacing .