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HOMESERVICE MANUALSHYUNDAI2005SANTA FE GLS, 2.7 D, AWDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM DIAGNOSIS (2.7L) (1 OF 2)DTC TROUBLESHOOTING PROCEDURESDTC P0118: ENGINE COOLANT TEMPERATURE CIRCUIT HIGH INPUTCOMPONENT INSPECTION
2005 Hyundai Santa Fe GLS, 2.7 D, AWD

Component Inspection

2005 Hyundai Santa Fe GLS, 2.7 D, AWDSECTION Component Inspection
  1. Ignition "OFF"
  2. Measure resistance between terminals 1 and 3 of the ECT sensor connector (Component side)

    Specification:

    ECT SENSOR TEMPERATURE/RESISTANCE SPECIFICATIONS

    Temperature Resistance (kΩ)
    20°C (68°F) Approx. 2.31 ~ 2.59
    40°C (104°F) Approx. 1.00 ~ 1.30
    80°C (176°F) Approx. 0.31 ~ 0.33
    Fig 1: Measuring Resistance Between Terminals 1 And 3 Of ECT Sensor Connector (Component Side)
    G03846144Courtesy of HYUNDAI MOTOR CO.
  3. Is resistance within the specification?

    YES 

    • Check for poor connection between ECM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Check ECTS for contamination, deterioration, or damage. Substitute with a known-good ECTS and check for proper operation. If the problem is corrected, replace ECTS and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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.