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Home >> Nissan-Datsun >> 2004 >> Frontier Base, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Control System - VG33E) >> DTC P0125: ECT Sensor >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK ENGINE COOLANT TEMPERATURE SENSOR 

    Refer to "COMPONENT INSPECTION ".

    OK or NG 

    1. OK: GO TO 2.
    2. NG: Replace engine coolant temperature sensor.
  2. 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.

    OK or NG 

    1. OK: GO TO 3.
    2. NG: Replace thermostat. Refer to "THERMOSTAT ".
  3. CHECK INTERMITTENT INCIDENT 

    Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

    1. : INSPECTION END