Required Special Tools
- MB992006: Extra fine probe
- STEP 1. Scan tool (M.U.T.-IIISE) data list.
Item 68: Paddle switch (Down)
OK: The service data changes in response to the paddle shift operation.
Q: Is the check result normal?
YES: Intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTIONS ).
NO: Go to Step 2.
- STEP 2. Paddle shift switch single unit check.
Refer to THERMAL VALVE CHECK .
Q: Is the check result normal?
YES: Go to Step 3.
NO: Replace the paddle shift switch. (Refer to THERMAL VALVE CHECK )
- STEP 3. Check for short to ground in PDDW line between the TCM connector and the paddle shift switch connector.
Q: Is the check result normal?
YES: Go to Step 4.
NO: Repair the connector(s) or wiring harness.
- STEP 4. Symptom recheck after erasing diagnostic trouble code.
Q: Is the diagnostic trouble code set?
YES: Replace TCM.
NO: Intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTIONS ).