STEP 2. M.U.T.-IIISE diagnosis code
STEP 3. M.U.T.-IIISE data list
STEP 4. M.U.T.-IIISE actuator test
OK: Operating sound of fuel pump can be heard.
Is the check result normal?
Go to Step 5.
Check Inspection Procedure - fuel pump system (Refer to
).
STEP 5. Check air intake from intake hose and inlet manifold.
Is the check result normal?
Go to Step 6.
Repair.
STEP 6. Check throttle body (throttle valve portion) contamination.
STEP 7. Check injector for operating sound.
- Check injector for operating sound at engine cranking (Refer to
).
Is operating sound audible?
Go to Step 8.
Check the injector system of the defective cylinder. Check code No. P0261, P0264, P0267, P0270: No. 1, No. 2, No. 3, No. 4 injector circuit low input (Refer to
). Check code No. P0262, P0265, P0268, P0271: No. 1, No. 2, No. 3, No. 4 injector circuit high input (Refer to
).
STEP 8. Visual check of ignition spark.
STEP 9. Check timing mark on the timing chain.
Is the check result normal?
Go to Step 10.
Align the timing marks.
STEP 10. Check compression pressure.
STEP 11. Check injector for spray condition.
STEP 12. Fuel pressure measurement.
STEP 13. Check for entry foreign matters (water, kerosene, etc.) into fuel.
Is the check result normal?
Go to Step 14.
Replace the fuel.
STEP 14. Check the trouble symptom.
Does the trouble symptom persist?
Replace the engine-ECU.
Check end.