B1149

DTC B1149 FRONT AIRBAG SENSOR (LH) MALFUNCTION

CIRCUIT DESCRIPTION

DTC Detecting Condition:

The front airbag sensor (LH) circuit consists of the diagnosis circuit and the frontal deceleration sensor, etc.

It receives signals from the frontal deceleration sensor, judges whether or not the SRS must be activated, and detects diagnosis system malfunction.

DTC B1149/37 is recorded when a malfunction is detected in the front airbag sensor LH circuit.

Wiring Diagram:

Step 1 - 3:

Step 4 - 5:

Step 6 - 7:

Step 8:

Step 9 - 10:

Step 11 - 12:

INSPECTION PROCEDURE