Diagnostic Procedure

STEP 1. M.U.T.-III data list
- Item 4: Secondary pressure sensor signal (Refer to DATA LIST REFERENCE TABLE .)
Q: Is the check result normal?
1. YES: Intermittent malfunction
2. NO: Go to Step 2.
STEP 2. Check the following connector:
- B-08 CVT assembly connector
- C-40 TCM connector
- A-09 Intermediate connector
Check the terminals for a contact status problem and internal short circuit.

Q: Is the check result normal?
1. YES: Go to Step 3.
2. NO: Repair the defective connector.
STEP 3. Check for open circuit and short to ground in the wiring harness between the TCM connector and the CVT assembly connector.
- Between C-40 TCM connector (terminal No. 39) and B-08 CVT assembly connector (terminal No. 7)
- Between C-40 TCM connector (terminal No. 48) and B-08 CVT assembly connector (terminal No. 19)
- Between C-40 TCM connector (terminal No. 49) and B-08 CVT assembly connector (terminal No. 5)
Q: Is the check result normal?
1. YES: Go to Step 4.
2. NO: Repair the wiring harness.
STEP 4. Symptom recheck after replacing the valve body assembly
Q: Is the check result normal?
1. YES: The procedure is complete.
2. NO: Replace TCM.