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 MANUALSKIA2007RONDO L4-2.4LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCOOLANT TEMPERATURE SENSOR / SWITCH HVACTESTING AND INSPECTION
2007 Kia Rondo L4-2.4L
Coolant Temperature Sensor / Switch HVAC: Testing and Inspection
2007 Kia Rondo L4-2.4LSECTION Testing and Inspection
WATER TEMPERATURE SENSOR
INSPECTION
1. Ignition "ON".
2. Using the multi-tester, Measure resistance between terminal "1" and "2" of water temperature sensor.
3. If the measured resistance is not specification, substitute with a known-good water temperature sensor and check for proper operation.
4. If the problem is corrected, replace the water temperature sensor.
NOTE: Negative type thermistor that resistance will rise with lower temperature, and reduce with higher temperature.
INSPECTION
1. Ignition "ON".
Specification:
2. Using the multi-tester, Measure resistance between terminal "1" and "2" of water temperature sensor.
3. If the measured resistance is not specification, substitute with a known-good water temperature sensor and check for proper operation.
4. If the problem is corrected, replace the water temperature sensor.
NOTE: Negative type thermistor that resistance will rise with lower temperature, and reduce with higher temperature.
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.