SFI SYSTEM PRECAUTION


  1. INITIALIZATION

    Note


    • When disconnecting the negative (-) battery cable, initialize the following systems after the cable is reconnected.

      System Name See procedure
      Power Back Door System

      Click here

    • Perform RESET MEMORY (AT initialization) when replacing the automatic transaxle assembly, engine assembly or ECM (U151E: Click here, U151F: Click here.

    • If the ECM has been replace, register the ECM communication ID for immobiliser system (refer to the Service Bulletin for registration).

    Tech Tips

    Initialization cannot be completed by only removing the battery.

  2. EXPRESSION OF IGNITION SWITCH

    Tech Tips

    The type of ignition switch used on this model differs according to the specifications of the vehicle.

    The expressions listed in the table below are used in this section.

    Expression Switch Type
    Ignition Switch (Position) Engine Switch (Condition)
    Ignition switch off LOCK Off
    Ignition switch on (IG) ON On (IG)
    Ignition switch on (ACC) ACC On (ACC)
    Engine Start START Start
  3. COOLING FAN SYSTEM

    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

      • Mass air flow meter sub-assembly

      • Vehicle speed sensors