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Home >> Infiniti >> 2016 >> QX80 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Trouble Codes (DTCS) U0101-P0174) >> DTC/Circuit Diagnosis >> DTC P0125: ECT Sensor >> Component Inspection (Engine Coolant Temperature Sensor 1) >> Diagnostic Test
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Diagnostic Test

  1. CHECK ENGINE COOLANT TEMPERATURE SENSOR 1

    1. Turn ignition switch OFF.
    2. Disconnect engine coolant temperature sensor 1 harness connector.
    3. Remove engine coolant temperature sensor 1.
    4. Check resistance between engine coolant temperature sensor 1 terminals by heating with hot water as shown in the illustration.
      G00498926Courtesy of NISSAN NORTH AMERICA, INC.
      Terminals Condition Resistance (kΩ)
      1 and 2 Temperature [°C (°F)] 20 (68) 2.35 - 2.73
      50 (122) 0.68 - 1.00
      90 (194) 0.236 - 0.260

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Replace engine coolant temperature sensor 1. Refer to EXPLODED VIEW WITH TORQUE SPECIFICATIONS .