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Home >> Hyundai >> 2011 >> Sonata GLS, Automatic >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag Diagnosis (Event #2) - Except HEV >> DTC B1401: SIS (Side Impact Sensor) Front-Driver Circuit Short to Ground >> General Information >> General Description

General Information: 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 collision.

SRSCM issues the deployment of side restraints, if collision signal from these sensors meet the crash severity level of side crash discrimination algorithm of SRSCM