
FUNCTION
TROUBLE JUDGMENT
PROBABLE CAUSES
DIAGNOSIS PROCEDURE
STEP 1. Check for leakage of exhaust emission from exhaust manifold.
Q.
Is the check result normal?

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


Q.
Are the check result normal?


STEP 3. M.U.T.-III data list
Q.
Is the check result normal?

STEP 4. Replace the oxygen sensor (rear).
Q.
Is the check result normal?

STEP 5. Replace the catalytic converter.
Q.
Is the diagnosis code set?
