LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2012 >> FJ Cruiser 4WD, Part Time T/Case Control >> Repair and Diagnosis >> Electrical >> Body Electrical >> Clock System (Inspection) >> Clock System >> Precaution >> Precaution
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Clock System: Precaution: Precaution

Fig 1: Identifying Battery Cable
GTY187016Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. DISCONNECT AND RECONNECT CABLE OF NEGATIVE BATTERY TERMINAL 
    1. Before performing electronic work, disconnect the cable from the negative (-) battery terminal in order to prevent it from shorting and burning out.
    2. Before disconnecting and reconnecting the battery cable, turn the ignition switch OFF and the headlight dimmer 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 erased. Therefore, before disconnecting the battery cable, make a notes 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
    METER / GAUGE SYSTEM Refer to CALIBRATION