How to Check ECUs

HOW TO CHECK ECUS
1. Use the scan tool and the SWS monitor kit to check ECUS. (Refer to MUT-III User's Manual).
2. The following ECUs can be checked by using the scan tool and the SWS monitor kit.






NOTE: The "ECU COMM CHK" function checks a communication status of ECUs "NG"does not always mean ECU malfunction. If a malfunction is found by the "ECU COMM CHK", proceed "Symptom Procedure". Symptom Charts