B1149

DTC B1149 FRONT AIRBAG SENSOR (LH) MALFUNCTION

CIRCUIT DESCRIPTION

DTC Detecting Condition:

The airbag sensor front LH circuit consists of a diagnosis circuit and a frontal deceleration sensor, etc. It receives signals from the frontal deceleration sensor, judges whether or not the SRS must be activated, and detects a diagnosis system malfunction.
DTC B1149/37 is recorded when malfunction is detected in the airbag sensor front LH circuit.

Wiring Diagram:

Step 1 - 3:

Step 4 - 5:

Step 6:

INSPECTION PROCEDURE