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Signal Circuit Inspection

  1. Ignition "OFF".
  2. Measure resistance between terminal "14" of the HECU harness connector and terminal "35" of the HECU harness connector.

    Specification: Approx. 60 Ω

    Fig 1: Measuring Resistance Between Terminal HECU Harness Connector And Terminal
    G04883889Courtesy of KIA MOTORS AMERICA, INC.
  3. Is the measured resistance within specifications?

    YES 

    • Fault is intermittent caused by open or short in CAN signal harness or was repaired and HECU memory was not cleared. Go to the applicable troubleshooting procedure.

    NO 

    • Check for open or short in CAN signal harness between terminal "14" of the HECU harness connector and terminal "35" of the HECU harness connector. Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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