Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSKIA2010RONDO LX, 2.7 6REPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM DIAGNOSIS (1 OF 3) - 2.7LDTC P0117: ENGINE COOLANT TEMPERATURE CIRCUIT LOW INPUTINSPECTION/REPAIRW/HARNESS INSPECTIONSIGNAL CIRCUIT INSPECTION

2010 Kia Rondo LX, 2.7 6

Signal Circuit Inspection

2010 Kia Rondo LX, 2.7 6SECTION Signal Circuit Inspection

Check voltage
1. IG "OFF" and disconnect ECTS connector.
2. IG "ON" and ENG "OFF"
3. Measure voltage between terminal 3 of ECTS harness connector and chassis ground.
  1. Specification: Approx. 5V
    
    Fig 1: Measuring Voltage Between Terminal 3 Of ECTS Harness Connector & Chassis Ground
    Courtesy of KIA MOTORS AMERICA, INC.
4. Is the measured voltage within specification?
  YES
  - Go to "COMPONENT INSPECTION " procedure.
  NO
  - Go to " 2 Check for short to ground in harness" as follows.
Check for short to ground in harness
1. IG "OFF" and disconnect ECTS connector and PCM connector.
2. Measure resistance between terminal 3 of ECTS harness connector and chassis ground.
3. Measure resistance between terminals 1 and 3 of ECTS harness connector.
  1. Specification: Infinite
    
    Fig 2: Measuring Resistance Between Terminal 3 Of ECTS Harness Connector & Chassis Ground
    Courtesy 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:

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