Seat Occupant Sensor: Service and Repair
REMOVAL1. PRECAUTION
CAUTION: Be sure to read the "PRECAUTION" thoroughly before servicing
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
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. Connect the 2 connectors to the occupant classification ECU.
d. Install 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
3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
4. PERFORM INITIALIZATION
a. Perform initialization
HINT: Some systems need initialization when disconnecting the cable from the negative battery terminal.
5. INSPECT CHECK POWER SEAT FUNCTION
6. INSPECT SEAT HEATER OPERATION
7. INSPECT SRS WARNING LIGHT
a. Inspect the SRS warning light