DTC B1B21: Curtain Air Bag Module (RH) (Squib) System (Shorted To Squib Circuit Power Supply): Notes

WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Curtain Air Bag Module (Squib) (RH) Circuit Diagram

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

CAUTION: If DTC B1B21 is set in the SRS-ECU, always diagnose the CAN main bus line.