B1793
DTC B1793 Occupant Classification Sensor Power Supply Circuit MalfunctionDESCRIPTION
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.