Diesel Data: Automotive Repair

Air Bag System

DTC 12 Short in D Squib Circuit (to B+)

CIRCUIT DESCRIPTION

DTC Detection Condition:




The D squib circuit consists of the airbag sensor assembly, the spiral cable and the steering wheel pad.

The circuit instructs the SRS to deploy when the relevant conditions are met.
For details of the functions of each component, see DESCRIPTION AND OPERATION.
DTC B0103/12 is recorded when a short to B+ is detected in the D squib circuit.

Wiring Diagram:






Step 1 - 2:




Step 3:




Step 4:




Step 5:




Step 6:




INSPECTION PROCEDURE