Diagnostic Trouble Code Chart
HINT:
- When DTC B1650/32 is detected as a result of troubleshooting for the "AIRBAG SYSTEM", perform troubleshooting for the "OCCUPANT CLASSIFICATION SYSTEM" as shown in the chart below.
- Use the Techstream to read and clear the DTC of the occupant classification ECU, otherwise the DTCs cannot be read and cleared.
Occupant classification system:
DIAGNOSTIC TROUBLE CODE CHARTDTC Code Detection Item Trouble Area Passenger Airbag ON/ OFF Indicator (OFF Indicator) B1771 Passenger Side Buckle Switch Circuit Malfunction - Front seat wire RH
- Front seat inner belt RH (passenger side buckle switch)
- Occupant classification ECU
ON B1773 Belt Tension Sensor Circuit Malfunction - Front seat wire RH
- Front seat outer belt RH (seat belt tension sensor)
- Occupant classification ECU
ON B1774 Pressure Sensor Circuit Malfunction - Front seat wire RH
- Occupant detection sensor
- Occupant classification ECU
ON B1775 Pressure Sensor Power Source Circuit Malfunction - Front seat wire RH
- Occupant detection sensor
- Occupant classification ECU
ON B1776 Seat Belt Tension Sensor Power Source Circuit Malfunction - Front seat wire RH
- Front seat outer belt RH
- Occupant classification ECU
ON B1790 Center Airbag Sensor Assembly Communication Circuit Malfunction - Floor wire
- Front seat wire RH
- Occupant classification ECU
- Center airbag sensor
ON B1795 Occupant Classification ECU Malfunction Occupant classification ECU ON B1797 Calibration Malfunction - There is no malfunction if this DTC is not output again after performing occupant classification system zero point calibration
- Occupant detection sensor
ON