Component Tests and General Diagnostics

ON-VEHICLE INSPECTION

1. CHECK OCCUPANT CLASSIFICATION ECU (VEHICLE NOT INVOLVED IN COLLISION)
a. Perform a diagnostic system check.

2. CHECK OCCUPANT CLASSIFICATION ECU (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED)
a. Perform a diagnostic system check.

3. CHECK OCCUPANT CLASSIFICATION ECU (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS DEPLOYED)
a. Replace the ECU.

CAUTION:
- For removal and installation procedures of the occupant classification ECU, be sure to follow the correct procedure.
- If the airbags have deployed, replace the occupant classification ECU on the side in which the collision occurred. Replace both if necessary.