OCCUPANT CLASSIFICATION SYSTEM DIAGNOSTIC TROUBLE CODE CHART

If a trouble code is displayed during the DTC check, check the circuit listed for the code in the table below (proceed to the page listed for that DTC).

Tech Tips

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 Passenger Airbag ON/OFF Indicator (OFF indicator) See page
B1771 Passenger Side Buckle Switch Circuit Malfunction ON

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B1780 Front Occupant Classification Sensor LH Circuit Malfunction ON

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B1782 Rear Occupant Classification Sensor LH Circuit Malfunction ON

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B1785 Front Occupant Classification Sensor LH Collision Detection ON

Click here

B1787 Rear Occupant Classification Sensor LH Collision Detection ON

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B1790 Center Airbag Sensor Assembly Communication Circuit Malfunction ON

Click here

B1793 Occupant Classification Sensor Power Supply Circuit Malfunction ON

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B1794 Open in Occupant Classification ECU Battery Positive Line ON

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B1795 Occupant Classification ECU Malfunction ON

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B1796 Sleep Operation Failure of Occupant Classification ECU ON

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