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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Maintenance >> Procedures >> Maintenance - Service Information (2 Of 2) >> A25A-FXS Auxiliary Battery >> Removal [11/2023 - ] >> Procedure

Removal [11/2023 - ]: Procedure

  1. PRECAUTION 
    NOTE:
    • After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal.

      Refer to BEFORE DISCONNECTING BATTERY [11/2023 - ]

    • When replacing the battery, use a new battery of the same dimensions and same capacity or more from the same class at a 20-hour rate.
    • After replacing the auxiliary battery, install the ventilation hole plug supplied with the new auxiliary battery or the ventilation hole plug from the old auxiliary battery to the ventilation hole on the side to which the battery hose is not connected.
  2. REMOVE BATTERY SERVICE HOLE COVER 
    1. Turn back the deck board assembly as shown in the illustration.
      GTY897552Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 6 claws and 2 guides to remove the battery service hole cover.
      GTY882921Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL 
    1. Loosen the nut, and disconnect the cable from the negative (-) auxiliary battery terminal.
      GTY1181131Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE AUXILIARY BATTERY 
    1. Open the battery terminal connector cover.
    2. Loosen the nut and disconnect the cable from the positive (+) auxiliary battery terminal.
      GTY888596Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the battery hose from the auxiliary battery.
      GTY888597Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the bolt, nut and battery clamp sub-assembly.
      GTY937285Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Lift the auxiliary battery along the slope to remove it as shown in the illustration.
      GTY917885Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Slope
      Lift and pull in this direction
    6. w/ Battery Insulator:
      1. Remove the battery insulator from the auxiliary battery.
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