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Home >> Kia >> 2019 >> Optima S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 249 (Occupant Classification System Diagnosis (PHEV)) >> DTC B1763-00: OCS ECU Defect >> General Information >> General Description

General Information: General Description

WARNING: This page is about a different variant/trim than selected.

In order to make normal activation of airbag system, Supplemental Restraints System Control Module (SRSCM) monitors the passenger side body sensor.

If the seat is occupied, body sensor detects how passenger weighs and send signal to SRSCM via CAN. The SRSCM recognizes the signal as three different classifications; that is, 0 (Empty), 1 (Small), 2 (Large). With these signal, SRSCM determines whether it needs to deploy passenger airbag (PAB) or not.

NOTE: if any of the following conditions occur, 'Occupant Detecting System (WCS, PODS, BOSE) Reset must be performed again after checking occupant detecting system diagnostic codes.
  1. Passenger side body sensor ECU or seat cushion assy (except of seat track assy) is replaced.
  2. The telltale lamp is not illuminated when the passenger seat is not occupied.
  3. The telltale lamp is delayed more than 10 seconds to be turned off when an adult passenger seats in.
NOTE:
Supplemental Restraints System Control Module (SRSCM) ACU Warning Lamp (AWL)
Driver Airbag (DAB) Passenger Airbag (PAB)
Driver Side Airbag (DSAB) Passenger Side Airbag (PSAB)
Driver Curtain Airbag (DCAB) Passenger Curtain Airbag (PCAB)
Driver Rear Side Airbag (DRSAB) Passenger Rear Side Airbag (PRSAB)
Driver Knee Airbag (DKAB) Passenger Knee Airbag (PKAB)
Driver Belt Pretensioner (DBPT) Passenger Belt Pretensioner (PBPT)
Driver Rear Belt Pretensioner (DRBPT) Passenger Rear Belt Pretensioner (PRBPT)
Driver Anchor Pretensioner (DAPT) Passenger Anchor Pretensioner (PAPT)
Driver Buckle Switch (DBS) Passenger Buckle Switch (PBS)
Driver Front Impact Sensor (DFIS) Passenger Front Impact Sensor (PFIS)
Driver Side Impact Sensor (DSIS) Passenger Side Impact Sensor (PSIS)
Driver Rear Side Impact Sensor (DRSIS) Passenger Rear Side Impact Sensor (PRSIS)
Pressure-Side Impact Sensor (PSIS) Occupant Detecting System (ODS)