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Home >> Kia >> 2009 >> Sorento Base, A5SR2 >> Repair and Diagnosis >> Brakes >> Traction Control >> Esp (Electronic Stability Program) >> DTC Troubleshooting >> DTC C1274: Longitudinal G Sensor Error >> Signal Circuit Inspection

Signal Circuit Inspection

  1. Ignition "ON" & Engine "OFF".
  2. Measure voltage between terminal "21" of the HECU harness connector and chassis ground.

    Specification: Approx. 2.5 V

    Fig 1: Measuring Voltage Between Terminal "21" Of HECU Harness Connector And Chassis Ground
    G06412694Courtesy of KIA MOTORS AMERICA, INC.
  3. Is the measured voltage within specifications?

    YES 

    • Fault is intermittent caused by open or short G-sensor and/or faulty G-sensor or was repaired and HECU memory was not cleared. Go to "COMPONENT INSPECTION " procedure.

    NO 

    • Check for open or short in the G-sensor harness between terminal "2" of the G-sensor harness connector and terminal "21" of the HECU harness connector. Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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