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Home >> Hyundai >> 2003 >> Elantra GT, 4D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control >> Inspection/Repair >> Component Inspection

Component Inspection

  1. Ignition "OFF".
  2. Disconnect ECTS connector.
  3. Measure resistance between terminals 1 and 3 of the sensor connector (Component side).

    Specification 

    RESISTANCE REFERENCE CHART

    Temp. (°C) Temp. (°F) Resistance (kΩ)
    20 68 2.27~2.73
    40 104 1.06~1.2
    80 176 0.29~0.32
    Fig 1: Measuring Resistance Between Terminals 1 And 3 Of Sensor Connector (Component Side)
    G07330991
  4. Is resistance within the specification?

    YES

    • Check for poor connection between PCM 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.
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