Code No. P0705: Malfunction of Inhibitor Switch




DIAGNOSTIC FUNCTION


CVT-ECU monitors the signal from the inhibitor switch, and determines if the abnormal input is present or not.

JUDGEMENT CRITERIA




PROBABLE CAUSES




DIAGNOSTIC PROCEDURE


STEP 1. M.U.T.-III data list


Item 49: Inhibitor SW
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?

Intermittent malfunction
Go to Step 2.

STEP 2. Check for open circuit in BLP+ line between the ETACS-ECU connector and the inhibitor switch connector


Q. Is the check result normal?

Go to Step 3.
Repair the connector(s) or wiring harness.

STEP 3. Check for open circuit in INHP, INHR, INHN, INHD, INHL line between the inhibitor switch connector and the CVT-ECU connector


Q. Is the check result normal?

Go to Step 4.
Repair the connector(s) or wiring harness.

STEP 4. Inhibitor switch and control cable adjustment


Refer to .

Q. Is the check result normal?

Go to Step 5.
Adjust the inhibitor switch and control cable.

STEP 5. Inhibitor switch continuity check


Refer to .

Q. Is the check result normal?

Go to Step 6.
Replace the inhibitor switch.

STEP 6. Symptom recheck after erasing diagnosis code


Q. Is the check result normal?

Intermittent malfunction
Replace CVT-ECU.