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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> Maintenance >> Procedures >> Maintenance - Service Information (2 Of 2) >> A25A-FXS Auxiliary Battery >> Removal [10/2022 - 08/2023] >> Procedure

Removal [10/2022 - 08/2023]: Procedure

  1. PRECAUTION 
    NOTE:
    • After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.

      Refer to BEFORE DISCONNECTING BATTERY [10/2022 - ]

    • When replacing the auxiliary battery, use a new auxiliary 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 COVER PLATE 
    1. GTY1132867Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL 
    NOTE:

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

    Refer to WORK PROCEDURE [10/2022 - ]

    1. GTY1132868Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. DISCONNECT CABLE FROM POSITIVE AUXILIARY BATTERY TERMINAL 
    1. GTY1132854Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE BATTERY HOSE 
    1. GTY1132855Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE BATTERY CLAMP SUB-ASSEMBLY 
    1. GTY1132856Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE AUXILIARY BATTERY 
    1. GTY1132857Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002