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On-Vehicle Inspection [11/2021 - ]: Procedure

WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT COOLING FAN SYSTEM 
    WARNING:

    To prevent injury due to contact with an operating cooling fan, keep your hands and clothing away from the cooling fan when inspecting the cooling fan system.

    GTY554195Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Check the operation of the cooling fan while operating it using the GTS.

      Powertrain > Engine > Active Test 

      Tester Display
      Control the Engine Cooling Fan Duty Ratio

      OK

      Active Test Operation Fan Operation
      30 - 100% Cooling fan operates
      0% Cooling fan stops

      If the cooling fan motor (fan with motor assembly) does not operate, check the cooling fan circuit.

      Refer to Cooling Fan Circuit [11/2021 - ] 

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