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Meter / Gauge System: Precaution

  1. REMOVAL AND INSTALLATION OF THE BATTERY TERMINAL 
    1. Before performing electrical work, disconnect the battery negative (-) terminal in order to prevent a short in the system.
    2. When disconnecting and reconnecting the battery cable, turn the ignition switch and lighting switches off and loosen the terminal nut completely. Perform these operations without prying on the terminal.
    3. When the battery terminal is removed, the memories of the clock, radio, DTCs, etc. are erased. So before removing the terminal, check and make a note of them.
      Fig 1: Disconnecting Battery Negative (-) Terminal
      G04092514Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE: When disconnecting the battery negative (-) terminal, initialize the following system after the terminal is reconnected.
    SYSTEM INITIALIZATION TABLE

    System Name See Procedure
    Lighting System INITIALIZATION
    Sliding roof control system INITIALIZATION and INITIALIZATION
    Power Window Control System INITIALIZATION
    Power Back Door System INITIALIZATION