Component Tests and General Diagnostics

Operation Check of the Front Passenger's Weight Sensor Unit

The operation of the front passenger's weight sensor unit must be checked after any of these actions.
- Replacement of front passenger's seat component(s) (except weight sensor unit and/or weight sensors).
- After a vehicle collision.

When doing the operation check of the front passenger's weight sensor unit, observe these precautions:
- Make sure all components of the front passenger's seat are correctly installed.
- Make sure all optional parts such as a seat covers are removed.
- Position the front passenger's seat to the rear most position, adjust the seat height to the lowest position, and adjust the recliner to the most forward position.
- Make sure nothing is on or under the front passenger's seat, and there is nothing in the seat-back pocket.
- Keep the windows closed.
- Perform all calibration procedures except test driving in the service bay.
- Make sure the vehicle is on level ground.
- Keep the A/C and the heater off.
- Do not touch the front passenger's seat until you are finished with the procedure.
- Do not expose the front passenger's seat to sudden temperature change.