Diagnostic Procedure

WARNING: This page is about a different variant/trim than selected.

STEP 1. M.U.T.-III data list
Item 49: Transmission range switch

Check that the service data changes when the selector lever is moved to all ranges.

OK: The service data changes in response to the selector lever operation.

Q: Is the check result normal?

YES : Intermittent malfunction

NO : Go to Step 2.
STEP 2. Check the following connector:
- B-110 transmission range switch connector
- C-37 TCM connector
Check the terminals for a contact status problem and internal short circuit.

Q: Is the check result normal?

YES : Go to Step 3.

NO : Repair the defective connector.
STEP 3. Check for open circuit in wiring harness between the ETACS-ECU connector and the transmission range switch connector
Between the C-313 ETACS-ECU connector (terminal No. 4) and the B-110 transmission range switch connector (terminal No. 3)

NOTE: Prior to the wiring harness inspection, check the intermediate connectors C-129 and A-13, and repair that if necessary.

Q: Is the check result normal?

YES : Go to Step 4.

NO : Repair the wiring harness.
STEP 4. Check for open circuit in the wiring harness between the transmission range switch connector and the TCM connector
- Between B-110 transmission range switch connector (terminal No. 2) and C-37 TCM connector (terminal No. 32)
- Between B-110 transmission range switch connector (terminal No. 5) and C-37 TCM connector (terminal No. 45)
- Between B-110 transmission range switch connector (terminal No. 8) and C-37 TCM connector (terminal No. 34)
- Between B-110 transmission range switch connector (terminal No. 9) and C-37 TCM connector (terminal No. 33)
- Between B-110 transmission range switch connector (terminal No. 1) and C-37 TCM connector (terminal No. 46) <Vehicles without sport mode>
Q: Is the check result normal?

YES : Go to Step 5.

NO : Repair the wiring harness.
STEP 5. Transmission range switch and control cable adjustment
Refer to TRANSMISSION RANGE SWITCH AND CONTROL CABLE ADJUSTMENT .

Q: Is the check result normal?

YES : Go to Step 6.

NO : Adjust the transmission range switch and control cable.
STEP 6. Transmission range switch continuity check
Refer to TRANSMISSION RANGE SWITCH CONTINUITY CHECK .

Q: Is the check result normal?

YES : Go to Step 7.

NO : Replace the transmission range switch.
STEP 7. Symptom recheck after erasing diagnosis code
Q: Is the check result normal?

YES : Intermittent malfunction

NO : Replace TCM.