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Home >> Nissan-Datsun >> 2010 >> Rogue SL, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (MEXICO) >> DTC/Circuit Diagnosis >> DTC P0125: ECT Sensor >> Component Inspection
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Component Inspection

  1. CHECK ENGINE COOLANT TEMPERATURE SENSOR
    1. Turn ignition switch OFF.
    2. Disconnect engine coolant temperature sensor harness connector.
    3. Remove engine coolant temperature sensor.
    4. Check resistance between engine coolant temperature sensor terminals by heating with hot water as shown in the illustration.
    RESISTANCE SPECIFICATION

    Terminals Condition Resistance
    1 and 2 Temperature [°C (°F)] 20 (68) 2.10 - 2.90 kΩ
    50 (122) 0.68 - 1.00 kΩ
    90 (194) 0.236 - 0.260 kΩ
    Fig 1: Checking Engine Coolant Temperature Sensor By Heating Hot Water
    G04886485Courtesy of NISSAN MOTOR CO., U.S.A.

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Replace engine coolant temperature sensor.

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