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Home >> Toyota >> 2018 >> Corolla XSE >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2ZR-FE) - Diagnostics - Introduction (Model Code: ZRE172) >> SFI System >> Precaution [08/2013 - 08/2016] >> Precaution [08/2013 - 08/2016]
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Precaution [08/2013 - 08/2016]

  1. INITIALIZATION 
    NOTE:
    • If the ECM is replaced, register the ECU communication ID for Immobilizer System (w/o Smart Key System).

      Refer to REGISTRATION [08/2013 - ]

    • Perform Registration (VIN registration) when replacing the ECM.

      Refer to REGISTRATION [08/2013 - ] 

    • Make sure to perform Reset Memory (CVT initialization), deceleration sensor zero point calibration and CVT oil pressure calibration when replacing the ECM or the oil pressure sensor (for CVT models).

      Refer to INITIALIZATION [08/2013 - 08/2016]

    • Make sure to perform Reset Memory (A/T initialization), when replacing the automatic transaxle assembly, ECM or engine assembly (for A/T models).

      Refer to INITIALIZATION [08/2013 - 08/2016]

    • When the cable is disconnected from the negative (-) battery terminal, initialize the following system(s) after the cable is reconnected.
      System Name See Procedure
      Air Conditioning System (for Automatic Air Conditioning System) Refer to INITIALIZATION [08/2013 - 08/2015] Refer to INITIALIZATION [08/2015 - 08/2016]
  2. WHEN USING TECHSTREAM 
    WARNING:

    Observe the following items for safety reasons:

    • Before using the Techstream, read the instruction manual.
    • Prevent the Techstream cable from being caught on the pedals, shift lever or steering wheel when driving with the Techstream connected to the vehicle.
    • When driving the vehicle for testing purposes using the Techstream, 2 persons are required. One is for driving the vehicle, and the other operates the Techstream.
  3. IGNITION SWITCH EXPRESSIONS 

    HINT: 

    The type of ignition switch used on this model differs depending on the specifications of the vehicle. The expressions listed in the table below are used in this section.

    Expression Ignition Switch (Position) Engine Switch (Condition)
    Ignition Switch off LOCK Off (Lock)
    Ignition Switch ACC ACC On (ACC)
    Ignition Switch ON ON On (IG)
    Engine Start START On (Start)
  4. COOLING FAN SYSTEM 
    NOTE:
    • When the ignition switch is turned off and the engine coolant temperature is high, the fan may operate for a maximum of 3 minutes.
    • After turning the ignition switch off, keep hands and other objects away from the fan when it is operating.

    HINT: 

    If all of the following conditions are met for a certain period of time within a few minutes before the engine is stopped, the electric fans will continue to operate for a maximum of 3 minutes after the engine is stopped. This is performed to ensure restartability and stable idle speed.

    • The engine coolant temperature is very high.
    • The ambient air temperature is high.
    • The vehicle has been driven under a high load such as driving uphill.