COOLING FAN SYSTEM PRECAUTION

CAUTION:


  • When the ignition switch is turned off and the engine temperature is high, the cooling fans may operate for approximately 3 minutes.

  • After turning the ignition switch off, keep hands and objects away from the fans when they are operating.

Tech Tips


  • If all of the following are met for a certain period of time during a few minute period immediately before the engine is stopped, the electric fans will continue to operate for 3 minutes after the engine is stopped. This is performed to ensure restartability and stabilize idle speed.


    • The intelligent tester indicates a very high coolant temperature.

    • The intelligent tester indicates a high outside air temperature.

    • The vehicle has been driven under high load (driving on an uphill or equivalent).


  • The following sensors are used for this control:


    • Coolant temperature sensor

    • Outside air temperature sensor

    • MAF sensor

    • Vehicle speed sensors