
FUNCTION
TROUBLE JUDGMENT
PROBABLE CAUSES
DIAGNOSIS PROCEDURE
STEP 1. M.U.T.-III diagnosis code
Q.
Diagnosis code set?


STEP 2. M.U.T.-III data list


Q.
Is the check results normal?


STEP 3. Check for intake of air from gaps in gasket, seals, etc.
Q.
Is the check result normal?

STEP 4. Check the throttle valve control servo itself.


Q.
Is the check result normal?

STEP 5. Connector check: A-118 electronic-controlled throttle valve connector and A-08 engine-ECU connector.


Q.
Is the check result normal?

STEP 6. Check harness between A-118 (terminal No. 1) electronic-controlled throttle valve connector and A-08 (terminal No. 7) engine-ECU connector.


Q.
Is the check result normal?

STEP 7. Check harness between A-118 (terminal No. 2) electronic-controlled throttle valve connector and A-08 (terminal No. 22) engine-ECU connector.


Q.
Is the check result normal?

STEP 8. M.U.T.-III diagnosis code.
Q.
Is the diagnosis code set?

