Inspection Procedure 3: The Engine Warning Lamp Remains Illuminating and Never Goes Out




COMMENTS ON TROUBLE SYMPTOM



  • Engine-ECU has detected failed sensor or failed actuator. Or failure is possibly caused by malfunction of combination meter.

PROBABLE CAUSE



  • Failed combination meter

DIAGNOSIS PROCEDURE


STEP 1. M.U.T.-III diagnosis code


Q. Is diagnosis code set?

Inspection chart for diagnosis code (Refer to ).
Go to Step 2.

STEP 2. Check the trouble symptom.


Q. Does the trouble symptom persist?

Check combination meter system (Refer to GROUP 54A - Combination Meter - Trouble System Chart ).
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).