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B1793

DTC B1793 Occupant Classification Sensor Power Supply Circuit Malfunction

DESCRIPTION

DTC Detecting Condition:




The occupant classification sensor power supply circuit consists of the occupant classification ECU and the occupant classification sensors.

DTC B1793 is recorded when a malfunction is detected in the occupant classification sensor power supply circuit.

HINT: When DTC B1150/23 is detected as a result of troubleshooting for the supplemental restraint system, perform troubleshooting for DTC B1793 of the occupant classification system.

Wiring Diagram:






Step 1-2:




Step 3-4:




Step 5-7:




Step 7 (Continued)-10:




Step 11-14:




INSPECTION PROCEDURE

HINT:
- If troubleshooting (wire harness inspection) is difficult to perform, remove the front passenger seat installation bolts to see the under surface of the seat cushion.

- In the above case, hold the seat so that it does not fall down. Holding the seat for a long period of time may cause a problem, such as seat rail deformation. Hold the seat only as necessary.