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Home >> Hyundai >> 2005 >> Tiburon GS, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System (G4GC-GSL 2.0L) >> DTC Troubleshooting Procedures >> DTC P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control >> 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 

    ECTS RESISTANCE REFERENCE

    Temp. (°C) Temp. (°F) Resistance (kohm)
    20 68 2.31 ~ 2.59
    40 104 1.15
    80 176 0.32
    Fig 1: Measuring Resistance Between Terminals 1 And 3 Of Sensor Connector
    G03849201Courtesy of HYUNDAI MOTOR CO.
  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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