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SFI System: Precaution: Precaution

  1. INITIALIZATION 
    NOTE:

    Perform the Registration (VIN registration) when replacing the ECM. Refer to REGISTRATION .

    HINT: 

    Reset memory or initialization cannot be completed by only disconnecting and reconnecting the cable of the negative (-) battery terminal.

  2. FOR 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. DISCONNECTING AND RECONNECTING NEGATIVE BATTERY CABLE 
    Fig 1: Disconnecting Battery Cable
    GTY350715Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Before performing work on electronic components, disconnect the cable from the negative (-) battery terminal to prevent damage to the electrical system or electrical components.
      TEXT IN ILLUSTRATION

      *1 Negative (-) Battery Terminal
      *2 Cable
    2. Before disconnecting and reconnecting the battery cable, turn the engine switch off and the headlight switch off. Then loosen the terminal nut completely. Do not damage the cable or terminal.
    3. When the battery cable is disconnected, the clock and radio settings and stored DTCs are cleared. Therefore, before disconnecting the battery cable, make a note of them.
      NOTE:

      When the cable is disconnected from the negative (-) battery terminal, initialize the following system(s) after the cable is reconnected.

      System Name See Procedure
      Parking Assist Monitor System Refer to INITIALIZATION
      Side Monitor System (w/ Parking Assist Monitor System)
      Back Door Closer System
      Power Back Door System