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Home >> Toyota >> 2020 >> Corolla L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 131 (Engine Cooling Fan System (M20A-FKS) ( W/O Cooling Fan Ecu) - Diagnostics & Circuit Tests) >> COOLING FAN SYSTEM (w/o Cooling Fan ECU) >> On-Vehicle Inspection [06/2018 - 01/2019] >> Procedure

On-Vehicle Inspection [06/2018 - 01/2019]: Procedure

WARNING: This page is about a different variant/trim than selected.
  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. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine / Active Test / Control the Engine Cooling Fan Duty Ratio.

      Powertrain > Engine > Active Test 

      Tester Display
      Control the Engine Cooling Fan Duty Ratio
    5. Check the operation of the cooling fan while operating it using the Techstream.

      OK

      Tester Operation Fan Operation
      30 - 100% Cooling fan operates
      0% Cooling fan stops

      If the cooling fan motor does not operate, check the cooling fan circuit.

      Refer to Cooling Fan Circuit [06/2018 - 01/2019]