LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2011 >> CT 200h >> Repair and Diagnosis (Single Page) >> Engine Performance >> Remove, Overhaul & Install >> Engine Control System (Service Information) >> Engine Coolant Temperature Sensor >> Inspection >> Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Coolant Temperature Sensor: Inspection: Inspection

  1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR 
    Fig 1: Checking ECT
    GTY332194Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Condition Specified Condition
      Approximately 20°C (68°F) 2.32 to 2.59 kΩ
      Approximately 80°C (176°F) 0.310 to 0.326 kΩ
      NOTE:

      When checking the engine coolant temperature sensor in water, keep the terminals dry. After the check, dry the sensor.

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