Hyundai Sonata: SRSCM / Occupant Classification Sensor (OCS) Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Restraint / SRSCM / Occupant Classification Sensor (OCS) Description and Operation

Description
In order to make normal activation of airbag system, SRSCM detects DTC(s) for the Occupant Classification System (OCS). If the seat is occupied, OCS detects passenger presences status and send signal to SRSCM via CAN.
SRSCM recognizes the signal as 2(two) different classifications; that is, 1(Empty or small occupant with child restraint system), 2(Occupied with large occupant and small occupant).
With these signal, ACU determines whether it needs to deploy the PAB(Passenger Airbag) or not.
Occupant Classification Sensor (OCS) Components and Components Location
Components ...

Occupant Classification Sensor (OCS) Repair procedures
Removal OCS ECU 1. Disconnect the battery negative cable, and wait for at least three minutes before beginning work. 2. Remove the front passenger seat assembly. (Refer to Body - "Front Sea ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Tire Pressure Monitoring System
Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure recommended by the vehicle manufacturer on the vehicle placard or tire inflation pressure label. (If your vehicle has tires of a different size than the size indicated on the v ...

Hyundai Sonata LF 2014-2019 Service Manual: General Information
General Troubleshooting Information Before Troubleshooting 1. Check applicable fuses in the appropriate fuse/relay box. 2. Check the battery for damage, state of charge, and clean and tight connections. (Refer to Engine Electrical System - "Battery")     • Do not qu ...

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