B229A

DTC B229A [TWO-STEP DEPLOYMENT CONTROL SYSTEM]

System Malfunction Location

- Seat weight sensor collision detection

Detection Condition

WARNING:
- Detection conditions are for understanding the DTC outline before performing an inspection. Performing an inspection according to only the detection conditions may cause injury due to an operating error, or damage the system. When performing an inspection, always follow the inspection procedure.

- The pressure from the seat weight sensor is not within specification

Possible Causes

- Seat weight sensor calibration setting not implemented
- Seat weight sensor calibration setting invalid
- Seat weight sensor deformed or malfunction
- Load to or deformation of the seat belt rail
- Deformed front passenger-side seat under-bracket or frame
- Weight acting on front passenger-side seat during calibration
- Improperly installed front passenger-side seat part at time of calibration
- Deformed floor where attached to front passenger-side seat
- Seat weight sensor control module malfunction

Diagnostic Procedure