Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2012 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
If a trouble code is displayed during the DTC check, check the circuit listed for the code in the table below (Proceed to service information listed for that circuit).
OCCUPANT CLASSIFICATION SYSTEM
| DTC Code | Detection Item | See |
|---|---|---|
| B1771 | Passenger Side Buckle Switch Circuit Malfunction | Refer to DTC B1771: Passenger Side Buckle Switch Circuit Malfunction |
| B1780 | Front Occupant Classification Sensor LH Circuit Malfunction | Refer to DTC B1780: Front Occupant Classification Sensor LH Circuit Malfunction |
| B1781 | Front Occupant Classification Sensor RH Circuit Malfunction | Refer to DTC B1781: Front Occupant Classification Sensor RH Circuit Malfunction |
| B1782 | Rear Occupant Classification Sensor LH Circuit Malfunction | Refer to DTC B1782: Rear Occupant Classification Sensor LH Circuit Malfunction |
| B1783 | Rear Occupant Classification Sensor RH Circuit Malfunction | Refer to DTC B1783: Rear Occupant Classification Sensor RH Circuit Malfunction |
| B1785 | Front Occupant Classification Sensor LH Collision Detection | Refer to DTC B1785: Front Occupant Classification Sensor LH Collision Detection |
| B1786 | Front Occupant Classification Sensor RH Collision Detection | Refer to DTC B1786: Front Occupant Classification Sensor RH Collision Detection |
| B1787 | Rear Occupant Classification Sensor LH Collision Detection | Refer to DTC B1787: Rear Occupant Classification Sensor LH Collision Detection |
| B1788 | Rear Occupant Classification Sensor RH Collision Detection | Refer to DTC B1788: Rear Occupant Classification Sensor RH Collision Detection |
| B1790 | Center Airbag Sensor Assembly Communication Circuit Malfunction | Refer to DTC B1790: Center Airbag Sensor Assembly Communication Circuit Malfunction |
| B1793 | Occupant Classification Sensor Power Supply Circuit Malfunction | Refer to DTC B1793: Occupant Classification Sensor Power Supply Circuit Malfunction |
| B1794 | Open in Occupant Classification ECU Battery Positive Line | Refer to DTC B1794: Open in Occupant Classification ECU Battery Positive Line |
| B1795 | Occupant Classification ECU Malfunction | Refer to DTC B1795: Occupant Classification ECU Malfunction |
| B1796 | Sleep Operation Failure of Occupant Classification ECU | Refer to DTC B1796: Sleep Operation Failure of Occupant Classification ECU |