Checking wiring
WARNING: This page is about a different variant/trim than selected.
If the manufacturers test box is being used. Perform the following step.
- Install the test box Adapter - 68 Pin VAG1598/18 .
If the manufacturers test box is not being used. Perform the following step.
- Remove the Transmission Control Module (TCM) J217 . Refer to Transmission Control Module J217, Replacing .
- Using a multimeter , check the Multi-Function Transmission Range (TR) Switch F125 electrical harness connector terminals to the Transmission Control Module (TCM) J217 electrical harness connector T68 terminals for an open circuit.
| Transmission Vehicle Speed Sensor (VSS) G38 electrical harness connector terminal | Transmission Control Module (TCM) J217 electrical harness connector T68 terminals or test box sockets |
|---|---|
| 1 | 66 |
| 2 | 21 |
Specified value: 1.5 Ω Max.
If the specification was not obtained:
- Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
- If necessary, repair the faulty wiring connection.
If no malfunction was found in the wiring and the resistance was not OK:
- Replace the Transmission Vehicle Speed Sensor (VSS) G38.
If no malfunction is found in the wiring and the resistance was OK:
- Replace the Transmission Control Module (TCM) J217. Refer to Transmission Control Module J217, Replacing .
- Erase the DTC memory. Refer to DIAGNOSTIC MODE 04: RESET/DELETE DIAGNOSTIC DATA
- Perform a road test to verify repair.
If the DTC does not return:
Repair complete, Generate readiness code. Refer to READINESS CODE, GENERATING .
- End diagnosis.
If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK:
- Replace the Motronic Engine Control Module (ECM) J220.
- Assembly is performed in the reverse of the removal.