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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 figure.
    RESISTANCE SPECIFICATION

    Terminals Condition Resistance
    1 and 2 Temperature [°C (°F)] 20 (68) 2.37 - 2.63 kΩ
    50 (122) 0.68 - 1.00 kΩ
    90 (194) 0.236 - 0.260 kΩ

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Replace engine coolant temperature sensor.

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