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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 149 (Occupant Classification System Diagnosis (Except HEV)) >> DTC B1764-00: OCS MAT Defect >> Wiring Inspection >> Power Circuit Inspection

Power Circuit Inspection

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  1. Ignition "OFF".
  2. Disconnect the battery (-) terminal cable from the battery, and wait at least one minutes.
  3. Disconnect the Passenger side Body sensor ECU connector.
  4. Connect the battery (-) terminal cable and start engine.
  5. Measure voltage between Pin No. 3 (ON/START Input) terminal of the Passenger side Body sensor ECU harness connector and chassis ground.

    Specification:  B+

    Fig 1: Screen Display - Passenger Side Body Sensor Voltage
    G12137444Courtesy of KIA MOTORS AMERICA, INC.
  6. Is the measured voltage within specifications?

    YES 

    NO