COOLING FAN SYSTEM ON-VEHICLE INSPECTION

CAUTION / NOTICE / HINT

CAUTION:

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

B004Q4R

PROCEDURE


  1. INSPECT COOLING FAN SYSTEM OPERATION AT LOW TEMPERATURES

    CAUTION:

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


    1. Check and ensure the following conditions:


      1. The power switch is off.

      2. The engine coolant temperature is less than 94°C (201°F).

      3. The A/C switch is off.

    2. Turn the power switch on (IG) and wait for approximately 10 seconds. Check that the cooling fans are not operating.

    3. Check that the cooling fans operate when the water temperature sensor connector is disconnected.

  2. INSPECT COOLING FAN SYSTEM OPERATION AT HIGH TEMPERATURES

    CAUTION:

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


    1. Check and ensure the following conditions:


      1. Put the engine in inspection mode (maintenance mode).


        Powertrain > Hybrid Control > Utility
        Tester Display
        Inspection Mode

      2. Warm up the engine.

      3. The engine coolant temperature is less than 94°C (201°F).

      4. The A/C switch is off.

    2. Start the engine. Check that the cooling fans are not operating.

    3. Check that the cooling fans start operating when the engine coolant temperature reaches approximately 96°C (205°F).

      Tech Tips

      This system can also be checked using the GTS.

      Enter the following menus: Powertrain / Engine / Data List / Coolant Temperature


      Powertrain > Engine > Data List
      Tester Display
      Coolant Temperature