Diagnostic Trouble Code Table
WARNING: This page is about a different car, the 2008 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
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 table 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 TABLE
| DTC Code | Detection Item | Trouble Area | Passenger Airbag ON/OFF Indicator (OFF) |
|---|---|---|---|
| B1771 | Passenger Side Buckle Switch Circuit Malfunction |
|
ON |
| B1780 | Front Occupant Classification Sensor LH Circuit Malfunction |
|
ON |
| B1781 | Front Occupant Classification Sensor RH Circuit Malfunction |
|
ON |
| B1782 | Rear Occupant Classification Sensor LH Circuit Malfunction |
|
ON |
| B1783 | Rear Occupant Classification Sensor RH Circuit Malfunction |
|
ON |
| B1785 | Front Occupant Classification Sensor LH Collision Detection |
|
ON |
| B1786 | Front Occupant Classification Sensor RH Collision Detection |
|
ON |
| B1787 | Rear Occupant Classification Sensor LH Collision Detection |
|
ON |
| B1788 | Rear Occupant Classification Sensor RH Collision Detection |
|
ON |
| B1790 | Center Airbag Sensor Assembly Communication Circuit Malfunction |
|
ON |
| B1793 | Occupant Classification Sensor Power Supply Circuit Malfunction |
|
ON |
| B1794 | Open in Occupant Classification ECU Battery Positive Line |
|
ON |
| B1795 | Occupant Classification ECU Malfunction | Occupant classification ECU | ON |
| B1796 | Sleep Operation Failure of Occupant Classification ECU | Occupant classification ECU | ON |