STEP 1. Scan tool data list
- Item 52: Select switch (up)
- Item 53: Select switch (down)
(Refer to Data List Reference Table
.)
Is the check result normal?
Intermittent malfunction Go to Step 2.
STEP 2. Shift switch assembly single unit check
STEP 3. Check the following connector:
- C-130 TCM connector
- C-127 Intermediate connector
- C-20 Selector lever assembly connector
- C-01 Grounding connector
- C-108 Joint connector (4)
Check the terminals for a contact status problem and internal short circuit.
Is the check result normal?
Go to Step 4. Repair the connector concerned.
STEP 4. Check for open circuit and short to ground in the wiring harness between the selector lever assembly connector and the TCM connector.
STEP 5. Retest the system.
Does the malfunction take place again?
Replace TCM. Intermittent malfunction