Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2011 Toyota Matrix. 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 chart below.
OCCUPANT CLASSIFICATION SYSTEM
| DTC Code | Detection Item | Trouble Area | Passenger Airbag ON/OFF Indicator (OFF Indicator) | See |
|---|---|---|---|---|
| B1771 | Passenger Side Buckle Switch Circuit Malfunction | 1. Front seat wire RH 2. Front seat inner belt assembly RH (Passenger side buckle switch) 3. Occupant classification ECU |
ON | Refer to DTC B1771: Passenger Side Buckle Switch Circuit Malfunction |
| B1772 | Seat Position Sensor Circuit Malfunction | 1. Front seat wire RH 2. Seat position airbag sensor (Passenger side) 3. Occupant classification ECU |
ON | Refer to DTC B1772: Seat Position Sensor Circuit Malfunction |
| B1773 | Belt Tension Sensor Circuit Malfunction | 1. No. 2 floor wire 2. Front seat wire RH 3. Front seat outer belt assembly RH (Seat belt tension sensor) 4. 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 | 1. Front seat wire RH 2. Occupant classification sensor 3. Occupant classification ECU |
ON | Refer to DTC B1774: Pressure Sensor Circuit Malfunction; DTC B1775: Pressure Sensor Power Source Circuit Malfunction |
| B1775 | Pressure Sensor Power Source Circuit Malfunction | 1. Front seat wire RH 2. Occupant classification sensor 3. Occupant classification ECU |
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 | 1. No. 2 floor wire 2. Front seat wire RH 3. Front seat outer belt assembly RH (Seat belt tension sensor) 4. 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 | 1. No. 2 floor wire 2. Front seat wire RH 3. Occupant classification ECU 4. Center airbag sensor assembly |
ON | Refer to DTC B1790: Center Airbag Sensor Assembly Communication Circuit Malfunction |
| B1795 | Occupant Classification ECU Malfunction | Occupant classification ECU | ON | Refer to DTC B1795: Occupant Classification ECU Malfunction |
| B1797 | Calibration Malfunction | 1. There is no malfunction if this DTC is not output again after performing occupant classification system zero point calibration. 2. Occupant classification sensor 3. Occupant classification ECU |
ON | Refer to DTC B1797: Calibration Malfunction |