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
| DTC Code | Detection Item | Trouble Area | Passenger Airbag ON/OFF Indicator (OFF Indicator) | See |
|---|---|---|---|---|
| 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 | Refer to DTC B1771: Passenger Side Buckle Switch Circuit Malfunction |
| B1772 | Seat Position Sensor Circuit Malfunction | - Front seat wire RH - Seat position sensor - No. 1 seat cushion assembly (occupant classification ECU) |
On | Refer to DTC B1772: Seat Position Sensor Circuit Malfunction |
| 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 | Refer to DTC B1773: Belt Tension Sensor Circuit Malfunction; DTC B1776: Seat Belt Tension Sensor Power Source Circuit Malfunction |
| B1774 | Pressure Sensor Circuit Malfunction | - Front seat wire RH - No. 1 seat cushion assembly (occupant classification ECU and occupant detection sensor) |
On | Refer to DTC B1774: Pressure Sensor Circuit Malfunction; DTC B1775: Pressure Sensor Power Source Circuit Malfunction |
| B1775 | Pressure Sensor Power Source Circuit Malfunction | - Front seat wire RH - No. 1 seat cushion assembly (occupant classification ECU and occupant detection sensor) |
On | Refer to DTC B1774: Pressure Sensor Circuit Malfunction; DTC B1775: Pressure Sensor Power Source Circuit Malfunction |
| 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 | Refer to DTC B1773: Belt Tension Sensor Circuit Malfunction; DTC B1776: Seat Belt Tension Sensor Power Source Circuit Malfunction |
| 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 | Refer to DTC B1790: Center Airbag Sensor Assembly Communication Circuit Malfunction |
| B1795 | Occupant Classification ECU Malfunction | - No. 1 seat cushion assembly (occupant detection sensor) |
On | Refer to DTC B1795: Occupant Classification ECU Malfunction |
| 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 | Refer to DTC B1797: Calibration Malfunction |