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Home › Nissan-Datsun › 2009 › Rogue S, FWD › Repair and Diagnosis › Engine Performance › System › Engine Control System - DTCS U0101 To P0146 (CALIFORNIA) › P0116 ECT Sensor › Component Inspection

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 figure.
      TERMINALS RESISTANCE REFERENCE CHART

      Terminals Condition Resistance
      1 and 2 Temperature [°C (°F)] 20 (68) 2.37 - 2.63 Ω
      50 (122) 0.68 - 1.00 Ω
      90 (194) 0.236 - 0.260 Ω
      Fig 1: Checking Resistance Between Engine Coolant Temperature Sensor Terminals
      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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