Seat Occupant Sensor: Testing and Inspection

SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION ECU: ON-VEHICLE INSPECTION

1. CHECK OCCUPANT CLASSIFICATION ECU (VEHICLE NOT INVOLVED IN COLLISION)

(a) Perform a diagnostic system check Reading and Clearing Diagnostic Trouble Codes.

2. CHECK OCCUPANT CLASSIFICATION ECU (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED)

(a) Perform a diagnostic system check Reading and Clearing Diagnostic Trouble Codes.

(b) Visually check for the following defects of the occupant classification ECU:

* Cracks in the ECU housing

* Dents in the ECU housing

* Chips in the ECU housing

* Cracks or other damage to the connector

* Damage to the serial number

OK:

No defects are found.

HINT
If any defects are found, replace the occupant classification ECU with a new one.

CAUTION:
Be sure to follow the correct removal and installation procedures of the occupant classification ECU.

3. CHECK OCCUPANT CLASSIFICATION ECU (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS DEPLOYED)

(a) Perform a diagnostic system check Reading and Clearing Diagnostic Trouble Codes.

(b) Visually check for the following defects of the occupant classification ECU:

* Cracks in the ECU housing

* Dents in the ECU housing

* Chips in the ECU housing

* Cracks or other damage to the connector

* Damage to the serial number

OK:

No defects are found.

HINT
If any defects are found, replace the occupant classification ECU with a new one.

CAUTION:
Be sure to follow the correct removal and installation procedures of the occupant classification ECU.