How to Check ECUs

HOW TO CHECK ECUs
1. Use the scan tool and the SWS monitor kit to check ECUs.




2. The given 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.