LEMON Manuals: Even more car manuals for everyone
Home >> Kia >> 2020 >> Sedona EX >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag System Diagnosis (2 Of 3) >> DTC B1490-00: OCS (Occupant Classification System) Defect >> General Information >> General Description

General Information: General Description

If the seat is occupied, body sense 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 Classification System (WCS, PODS, BOSE) Reset must be performed again after checking OCS Diagnostic Codes.
  1. Passenger side BodySense 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:
SRSCM (Supplemental Restraints System Control Module) AWL (ACU Warning Lamp)
FIS (Front Impact Sensor) DAB (Driver Airbag)
DSIS (Side Impact Sensor) PAB (Passenger Airbag)
PSIS (Side Impact Sensor) DBS (Driver Buckle Switch)
DSIS (Driver Side Impact Sensor) PBS (Passenger Buckle Switch)
PSIS (Passenger Side Impact Sensor) DBPT (Driver Belt Pretensioner)
DSAB (Driver Side Airbag) PBPT (Passenger Belt Pretensioner)
PSAB (Passenger Side Airbag) DAPT (Driver Anchor Pretensioner)
DCAB (Driver Curtain Airbag) PAPT (Passenger Anchor Pretensioner)
PCAB (Passenger Curtain Airbag) OCS (Occupant Classification System)