Signal Circuit Inspection

2010 Kia Rondo LX, 2.7 6SECTION Signal Circuit Inspection
  1. Check voltage
    1. IG "OFF" and disconnect IATS connector.
    2. IG "ON" and ENG "OFF"
    3. Measure voltage between terminal 4 of the IATS harness connector and chassis ground.
      1. Specification: Approx. 5V
        Fig 1: Measuring Voltage Between Terminal 4 Of IATS Harness Connector & Chassis Ground
        G06488681Courtesy of KIA MOTORS AMERICA, INC.
    4. Is the measured voltage within specification?

      YES

      NO

      • Go to "Β 2 Check for short to ground in harness" procedure.
  2. Check for short to ground in harness
    1. IG "OFF" and disconnect IATS connector and PCM connector.
    2. Measure resistance between terminal 4 of the IATS harness connector and chassis ground.
    3. Measure resistance between terminals 4 and 5 of the IATS harness connector.
    4. Measure resistance between terminals 4 and 3 of the IATS harness connector.
      1. Specification: Infinite
        Fig 2: Measuring Resistance Between Terminal 4 Of IATS Harness Connector & Chassis Ground
        G06488682Courtesy of KIA MOTORS AMERICA, INC.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.