Component Tests and General Diagnostics
HOW TO CHECK ECUS1. 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.
SWS monitor kit-compatible ECUs and their conditions
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".