DTC B1412: Passenger's (Front) Air Bag Module (1st squib) System (Shorted to Squib Circuit Ground); DTC B1492: Passenger's (Front) Air Bag Module (2nd squib) System (Shorted to Squib Circuit Ground): Notes
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
CAUTION:
If DTC B1412 <1st squib> or B1492 <2nd squib> is set in the SRS-ECU, always diagnose the CAN main bus line.
When DTC B1412 is set in the following diagnosis, check the 1st squib circuit. When DTC B1492 is set, check the 2nd squib circuit.