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Inspection [04/2013 - 08/2015]: Procedure

WARNING: This page is about a different car, the 2015 Lexus IS 250 and 2014 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT ATF TEMPERATURE SENSOR (TRANSMISSION WIRE) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY468219Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (ATF Temperature Sensor (Transmission Wire))
      STANDARD RESISTANCE

      Tester Connection Condition Specified Condition
      1 (E2) - 9 (OIL) Always 90 Ω to 156 kΩ
      1 (E2) - Body ground Always 10 kΩ or higher
      9 (OIL) - Body ground Always 10 kΩ or higher

      HINT: 

      If the resistance is out of the specified range at any of the ATF temperatures shown in the table below, the driveability of the vehicle may decrease.

      STANDARD RESISTANCE

      Tester Connection ATF Temperature Specified Condition
      1 (E2) - 9 (OIL) 10°C (50°F) 5 to 8 kΩ
      1 (E2) - 9 (OIL) 25°C (77°F) 2.5 to 4.5 kΩ
      1 (E2) - 9 (OIL) 110°C (230°F) 0.22 to 0.28 kΩ

      If the result is not as specified, replace the ATF temperature sensor (transmission wire).