B2063

DTC B2063 Buckle Switch Malfunction

DESCRIPTION

DTC Detection Condition:

- This circuit consists of the front seat inner belt assembly RH, front seat inner belt assembly LH, center airbag sensor assembly and seat belt control ECU.
- When the driver side seat belt is fastened to the front seat inner belt assembly LH, the center airbag sensor assembly detects malfunctions in the circuit.
- When the passenger side seat belt is fastened to the front seat inner belt assembly RH, the seat belt control ECU detects malfunctions in the circuit.
- The center airbag sensor assembly sends information about the seat belt fastened/unfastened condition and circuit malfunctions through CAN communication to the seat belt control ECU.
- The seat belt control ECU uses information from the center airbag sensor assembly to control the pre-collision system.

Wiring Diagram:

Step 1-2:

Step 2(continued)-4:

Step 4(continued)-7:

Step 7(continued)-10:

Step 10(continued):

INSPECTION PROCEDURE