Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Lexus >> 2017 >> GS 200t Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (Engine Control System - Service Information) >> Engine Coolant Temperature Sensor >> Inspection [10/2015 - ] >> Procedure

Inspection [10/2015 - ]: Procedure

WARNING: This page is about a different car, the 2020 Lexus GS 350, 2019 Lexus GS 350, 2018 Lexus GS 350, 2017 Lexus GS 350, and 2016 Lexus GS 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR 
    1. Partially immerse the engine coolant temperature sensor in water and warm up the water.
    2. Measure the resistance according to the value(s) in the table below.
      GTY679775Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      (Engine Coolant Temperature Sensor)

      *a Component without harness connected

      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
      NOTE:

      When checking the engine coolant temperature 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.

scientia non olet · About Mike's Workshop Manuals