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Inspection [09/2014 - ]: Procedure

  1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR 
    1. Partially immerse the sensor in water and warm up the water.
      GTY536792Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. 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
      Approx. 80°C (176°F) 0.310 to 0.326 kΩ
      TEXT IN ILLUSTRATION

      *1 Resistance
      *2 Temperature
      *3 Acceptable Range
      *a Component without harness connected
      (Engine Coolant Temperature Sensor)
      NOTE:

      When checking the sensor in water, keep the terminals dry. After the check, wipe the sensor dry.

      If the result is not as specified, replace the engine coolant temperature sensor.