DTC B1400: SIS (Side Impact Sensor) Front-Driver defect: General Description

Side Impact Sensor (SIS) is located in both side of center pillar detects broad collision.

When SIS delivers collision signal to SRSCM, SRSCM checks if safing sensor located in SRSCM detects collusion, and if both SIS and safing sensor detects collision simultaneously, SRSCM operates side air bag.