Engine Coolant Temperature Sensor Inspection

Engine. Lexus Gs430, Gs300. Uzs190 Grs190
3Uz-Fe Engine Control System. Lexus Gs430, Gs300. Uzs190 Grs190

  1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR

Engine Coolant Temperature Sensor -- Inspection



1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR


    Lexus Gs430, Gs300. Uzs190 Grs190.3Uz-Fe Engine Control System.Sfi System.Engine Coolant Temperature Sensor Inspection

  1. Partially insert the sensor into the water and warm up the water.

  1. Measure the resistance between the terminals.

    Standard resistance:
    Condition
    		Specified Condition
    Approx. 20°C (68°F)
    		2.32 to 2.59 kΩ
    Approx. 80°C (176°F)
    		0.310 to 0.326 kΩ
    If the result is not as specified, replace the sensor.
    NOTICE:
    When checking the ECT sensor in the water, keep the terminals dry. After the check, wipe the sensor dry.