Seat Occupant Sensor: Service and Repair

Occupant Classification ECU:

REPLACEMENT
1. PRECAUTION
2. DISCONNECT BATTERY NEGATIVE TERMINAL
3. REMOVE FRONT RH SEAT ASSY




4. REMOVE OCCUPANT CLASSIFICATION ECU
a. Using a screwdriver, remove the occupant classification ECU.
b. Disconnect the connectors of the occupant classification ECU.

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

NOTE: Do not start the operation for 90 seconds after removing the terminal.

c. Connect the connectors of the occupant classification ECU.
d. Install the occupant classification ECU.

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

6. INSTALL FRONT RH SEAT ASSY
7. OCCUPANT CLASSIFICATION ECU INITIALIZATION
8. INSPECT SRS WARNING LIGHT