Checking wires to control module

WARNING: This page is about a different variant/trim than selected.

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

Fig 1: 6-Pin Electrical Harness Connector & Terminals

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Check wires between test box and 6-pin connector for open circuit according to wiring diagram.

Terminal 1+socket 72

Terminal 2+socket 73

Terminal 3 + socket 36

Terminal 4 + socket 35

Terminal 5 + socket 33

Terminal 6 + socket 34

Wire resistance: max. 1.5 Ω

Also check wires for short circuit to each other, to vehicle Ground (GND) and to B+.

Specified value: ∞ Ω

If no malfunction is detected in the wiring and if the voltage supply was OK:

Replace Throttle Position (TP) sensor. Refer to Electronic Engine Power Control (EPC), servicing parts , item 4
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