Engine Coolant Temperature Sensor Inspection


  1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR

Engine Coolant Temperature Sensor -- Inspection



1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR

  1. Partially immerse the sensor in water and warm up the water.



    Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.5L-E Engine Control.Ecd System.Engine Coolant Temperature Sensor Inspection

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    1 - 2
    		Approx. 20°C (68°F)
    		2.32 to 2.59 kΩ
    1 - 2
    		Approx. 80°C (176°F)
    		0.310 to 0.326 kΩ
    Text in Illustration
    *1
    		Resistance kΩ
    *2
    		Temperature °C (°F)
    *3
    		Acceptable
    *a
    		Component without harness connected
    (Engine Coolant Temperature Sensor)
    1. If the result is not as specified, replace the engine coolant temperature sensor.
    NOTICE:
    When checking the sensor in water, keep the terminals dry. After the check, wipe the sensor dry.