Airbag System

DTC B1620/21 Driver Side - Side Airbag Sensor Circuit Malfunction

DESCRIPTION

DTC Detection Condition:

The driver side - side airbag sensor circuit consists of the safing sensor, the diagnostic circuit, the lateral deceleration sensor, etc.

If the center airbag sensor assembly receives signals from the lateral deceleration sensor, it determines whether or not the SRS should be activated.

DTC B1620/21 is recorded when a malfunction is detected in the driver side - side airbag sensor circuit.

Wiring Diagram:

Step 1-2:

Step 3-4:

Step 5-6:

Step 7:

Step 8-9:

Step 10-11:

Step 11(continued):

INSPECTION PROCEDURE