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Home >> Nissan-Datsun >> 2017 >> Maxima SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (2 Of 4) >> DTC/Circuit Diagnosis >> DTC P0116: ECT Sensor >> Component Inspection >> Diagnostic Test

Diagnostic Test

  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. Refer to REMOVAL AND INSTALLATION .
    4. Check resistance between engine coolant temperature sensor terminals as per the following.
      G00498926Courtesy of NISSAN NORTH AMERICA, INC.
    ECT sensor Condition Resistance (kΩ)
    + -
    Terminal
    1 2 Temperature [°C (°F)] 20 (68) 2.37 - 2.63
    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. Refer to REMOVAL AND INSTALLATION .

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