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Home >> Kia >> 2020 >> Optima LX >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag System Diagnosis (3 Of 4) (Except HEV) >> DTC B1516-00: Buckle Switch Passenger Defect >> Wiring Inspection >> Main harness Circuit Inspection (1)

Main harness Circuit Inspection (1)

  1. Ignition "OFF".
  2. Disconnect the battery (-) cable and wait at least for one minute.
  3. Disconnect Buckle Switch Passenger connector and SRSCM main harness connector.
  4. Measure resistance between Pin No. 7 (High) terminal of Buckle Switch Passenger harness connector and Pin No. 44 (High) terminal of SRSCM harness connector.

    Specification:  Approx. 1 Ω below

    G12905275Courtesy of KIA MOTORS AMERICA, INC.
  5. Is the measured resistance within specifications?

    YES 

    NO 

    • Thoroughly check all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.
    • Carefully re-do this troubleshooting guide steps.
    • If problem still occurs, replace SRSCM main harness and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.