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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0125: ECT Sensor >> Component Inspection >> Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor

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  1. Check resistance between engine coolant temperature sensor terminals 1 and 2 as shown in the figure.
    Fig 1: Checking Engine Coolant Temperature Sensor Continuity
    G00795779Courtesy of NISSAN MOTOR CO., U.S.A.

    < Reference data > 

    Fig 2: Identifying Engine Coolant Temp Reference Data Information
    G00795780Courtesy of NISSAN MOTOR CO., U.S.A.
  2. If NG, replace engine coolant temperature sensor.
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