Seat Occupant Sensor: Service and Repair

Occupant Classification ECU:

OCCUPANT CLASSIFICATION ECU

REMOVAL

1. PRECAUTION

CAUTION: Be sure to read "PRECAUTION" thoroughly before servicing (Refer to Restraint Systems Service Precautions).

2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION: Wait for 90 seconds after disconnecting the cable to prevent the airbag working.

3. REMOVE FRONT SEAT ASSEMBLY RH
4. REMOVE OCCUPANT CLASSIFICATION ECU
a. Disconnect the 2 connectors from the occupant classification ECU.




b. Using a screwdriver, remove the occupant classification ECU.

INSTALLATION

1. INSTALL OCCUPANT CLASSIFICATION ECU
a. Check that the ignition switch is off.
b. Check that the negative battery (-) terminal is disconnected.

CAUTION: After disconnecting the negative battery terminal, wait for at least 90 seconds before starting the operation.




c. Install the occupant classification ECU.
d. Connect the 2 connectors to the occupant classification ECU.

NOTE:
- If the occupant classification ECU has been dropped, or there are any cracks, dents or other defects in the case or connector, replace it with a new one.
- When installing the occupant classification ECU, be careful that the SRS wiring does not interfere with other parts and that it is not pinched between other parts.

2. INSTALL FRONT SEAT ASSEMBLY RH
3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
4. INSPECT SRS WARNING LIGHT
a. Inspect the SRS warning light.