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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 [10/2022 - 11/2023] >> Procedure

Removal [10/2022 - 11/2023]: Procedure

  1. 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
  2. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL 
    1. Loosen the nut, and disconnect the cable from the negative (-) auxiliary battery terminal.
      NOTE:

      When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

      Refer to INITIALIZATION [10/2022 - 11/2023]

      GTY888595Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. 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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