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ENGINE COOLANT TEMPERATURE SENSOR (for Hatchback): Inspection: Inspection

  1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR 
    1. Measure the resistance according to the value(s) in the table below.
      Fig 1: Measuring Resistance Of Engine Coolant Temperature Sensor
      GTY341220Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Ohmmeter
      *a Component without harness connected
      (Engine Coolant Temperature Sensor)

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 - 2 20°C (68°F) 2.32 to 2.59 kΩ
      80°C (176°F) 0.310 to 0.326 kΩ
      NOTE:

      In case of checking the engine coolant temperature sensor in water, do not allow water to contact the terminals. After checking, dry the engine coolant temperature sensor.

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