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Home >> Toyota >> 2021 >> Corolla SE Apex >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling Fan System (M20A-FKS) (W/ Cooling Fan Ecu) - Diagnostics & Circuit Tests >> COOLING FAN SYSTEM (w/ Cooling Fan ECU) >> On-Vehicle Inspection [09/2022 - ] >> Procedure

On-Vehicle Inspection [09/2022 - ]: Procedure

  1. INSPECT COOLING FAN SYSTEM 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Enter the following menus: Powertrain / Engine and ECT / Active Test / Control the Electric Cooling Fan.

      Powertrain > Engine and ECT > Active Test 

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

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

      Refer to Cooling Fan Circuit [09/2022 - ] 

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