B1782

DTC B1782 OCCUPANT CLASSIFICATION SENSOR REAR LH CIRCUIT MALFUNCTION

CIRCUIT DESCRIPTION

DTC Detecting Condition:

The occupant classification sensor rear LH circuit consists of the occupant classification ECU and the occupant classification sensor rear LH.

DTC B1782 is recorded when a malfunction is detected in the occupant classification sensor rear LH circuit.

HINT:
- When DTC B1650/32 is detected as a result of troubleshooting for the supplemental restraint system, perform troubleshooting for DTC B1782 of the occupant classification system.
- Use the hand-held tester to check the DTC of the occupant classification ECU, otherwise the DTC cannot be read.

Wiring Diagram:

Step 1 - 2:

Step 3 - 4:

Step 5 - 6:

Step 7 - 9:

Step 10 - 11:

Step 12 - 14:

INSPECTION PROCEDURE

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