LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2013 >> FX37 Base, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U0101 To P0198 >> DTC P0125: ECT Sensor >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK GROUND CONNECTION 
    1. Turn ignition switch OFF.
    2. Check ground connection M95. Refer to Ground Inspection in "CIRCUIT INSPECTION ".

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: Repair or replace ground connection.

  2. CHECK ENGINE COOLANT TEMPERATURE SENSOR 

    Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: GO TO 3.

    NO: Replace engine coolant temperature sensor. Refer to "REMOVAL AND INSTALLATION ".

  3. CHECK THERMOSTAT OPERATION 

    When the engine is cold [lower than 70°C (158°F)] condition, grasp lower radiator hose and confirm the engine coolant does not flow.

    Is the inspection result normal? 

    YES: GO TO 4.

    NO: Repair or replace thermostat. Refer to "REMOVAL AND INSTALLATION ".

  4. CHECK INTERMITTENT INCIDENT 

    Refer to "INTERMITTENT INCIDENT ".

    : INSPECTION END

scientia non olet · About LEMON Manuals