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Home >> Kia >> 2010 >> Rio Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC P0505: Idle Air Control System >> Inspection Repair >> W/Harness Inspection >> Control Circuit Inspection

Control Circuit Inspection

  1. Key "OFF".
  2. Disconnect ISCA connector and Key "ON".
  3. Measure the voltage between terminal 1 of ISCA harness connector and chassis ground.
  4. Measure the voltage between terminal 3 of ISCA harness connector and chassis ground.
    1. Specification : Approx 1.3V (at terminal 1), Approx 2V (at terminal 3)
      Fig 1: Measuring Voltage Between Terminal 1 And 2 Of ISCA Harness Connector And Chassis Ground
      G06830971Courtesy of KIA MOTORS AMERICA, INC.
  5. Is the measured voltage within specification?

    YES

    1. Go to "SYSTEM INSPECTION " procedure.

    NO

    1. Repair Open or Short in control circuit and then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.