B1790

DTC B1790 Center Airbag Sensor Assembly Communication Circuit Malfunction

DESCRIPTION

DTC Detection Condition:

The center airbag sensor communication circuit consists of the occupant classification ECU and the center airbag sensor.

DTC B1790 is recorded when a malfunction is detected in the center airbag sensor communication circuit.

Wiring Diagram:

Step 1-2:

Step 3-4:

Step 5-6:

Step 7-9:

Step 10-11:

INSPECTION PROCEDURE

HINT:
- If troubleshooting (wire harness inspection) is difficult to perform, remove the front passenger seat installation bolts to see the undersurface of the seat cushion.
- In the case given, hold the seat so that it does not tip over. Holding the seat for a long period of time may cause a problem, such as seat rail deformation. Hold the seat up only for as long as necessary.