Diagnostic Trouble Code Chart
HINT:
- When DTC B1650/32 is output 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 assembly RH (passenger side buckle switch)
- No. 1 seat cushion assembly (occupant classification ECU)
On B1772 Seat Position Sensor Circuit Malfunction - Front seat wire RH
- Seat position sensor
- No. 1 seat cushion assembly (occupant classification ECU)
On B1773 Belt Tension Sensor Circuit Malfunction - Front seat wire RH
- Front seat outer belt assembly RH (seat belt tension sensor)
- No. 1 seat cushion assembly (occupant classification ECU)
On B1774 Pressure Sensor Circuit Malfunction - Front seat wire RH
- No. 1 seat cushion assembly (occupant classification ECU and occupant detection sensor)
On B1775 Pressure Sensor Power Source Circuit Malfunction - Front seat wire RH
- No. 1 seat cushion assembly (occupant classification ECU and occupant detection sensor)
On B1776 Seat Belt Tension Sensor Power Source Circuit Malfunction - Front seat wire RH
- Front seat outer belt assembly RH (seat belt tension sensor)
- No. 1 seat cushion assembly (occupant classification ECU)
On B1790 Center Airbag Sensor Assembly Communication Circuit Malfunction - No. 2 floor wire
- Front seat wire RH
- No. 1 seat cushion assembly (occupant classification ECU)
- Center airbag sensor assembly
On B1795 Occupant Classification ECU Malfunction - No. 1 seat cushion assembly (occupant detection sensor)
On B1797 Calibration Malfunction - There is no malfunction if this DTC is not output again after performing occupant classification system zero point calibration
- No. 1 seat cushion assembly (occupant detection sensor)
On