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Home >> Kia >> 2016 >> Optima LX 1.6T >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag System Diagnosis (1 Of 2) - Optima (Except HEV) >> DTC B1409-00: SIS (Side Impact Sensor) Front-Driver Communication Error >> Component Inspection

Component Inspection

  1. Ignition "OFF"
  2. Disconnect the battery (-) terminal cable from the battery, and wait at least one minute.
  3. Refer to "FRONT SIDE IMPACT SENSOR " and remove Side Impact Sensor Front-Driver.
  4. Measure resistance between Pin No. 1 (High) terminal and Pin No. 2 (Low) terminal of Side Impact Sensor Front-Driver.

    Specification:  Approx. 2.5MΩ (Actual Vehicle Test value)

    Fig 1: Scantool Display - KDS/GDS Multimeter Resistance Check
    G11830740Courtesy of KIA MOTORS AMERICA, INC.
  5. Is the measured resistance within specifications?

    YES 

    • 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.

    NO 

    • Carefully re-do this troubleshooting guide steps.
    • If problem still occurs, replace Side Impact Sensor Front-Driver and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.