Diagnostic Procedure
WARNING: This page is about a different variant/trim than selected.
- STEP 1. Check the following connector:
- A-18X CVT control relay connector
- C-38 TCM connector
Check each terminal for imperfect contact.
Q: Is the check result normal?
YES : Go to Step 2.
NO : Repair the defective connector.
- STEP 2. Check for open circuit in the wiring harness between the relay box connector and the TCM connector.
- Between A-18X CVT control relay connector (terminal No. 3) and C-38 TCM connector (terminal No. 12)
- Between A-18X CVT control relay connector (terminal No. 3) and C-38 TCM connector (terminal No. 25)
Q: Is the check result normal?
YES : Go to Step 3.
NO : Repair the wiring harness.
- STEP 3. Check for open circuit in the wiring harness between the TCM connector and the ground.
- Between C-38 TCM (terminal No. 13) and ground
- Between C-38 TCM (terminal No. 26) and ground
Q: Is the check result normal?
YES : Go to Step 4.
NO : Repair the wiring harness.
- STEP 4. Retest the system.
Recheck the trouble symptom.
Q: Does the malfunction take place again?
YES : Replace TCM.
NO : Intermittent malfunction