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Home >> Lexus >> 2020 >> RX 450h Base >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery / Charging System (Service Information) >> AUXILIARY BATTERY (w/ Rear No. 2 Seat) >> Removal [08/2019 - ] >> Procedure

Removal [08/2019 - ]: Procedure

  1. PRECAUTION 
    NOTE:
    • After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

      Refer to PRECAUTION [08/2019 - ]

    • When replacing the auxiliary battery, use a new auxiliary battery of the same dimensions with a collective ventilation system and a capacity of 51 Ah or more 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 REAR NO. 4 FLOOR BOARD 

    Refer to PROCEDURE - Step 3 [08/2019 - ]

  3. REMOVE DECK SIDE TRIM BOX LH 
    1. Disengage the 2 claws, 2 clips and 4 guides to remove the deck side trim box LH.
      GTY795178Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE REAR DECK TRIM COVER 
    1. Disengage the 7 claws and remove the rear deck trim cover.
      GTY795177Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. 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 [08/2019 - ]

      GTY795179Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE AUXILIARY BATTERY 
    1. Open the battery terminal cap.
      GTY795181Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Loosen the nut and disconnect the cable from the positive (+) auxiliary battery terminal.
      GTY795176Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 2 nuts and battery clamp sub-assembly.
      GTY784916Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disconnect the battery hose from the auxiliary battery.
      GTY784915Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Remove the auxiliary battery.
    6. w/ Battery Insulator:
      1. Remove the battery insulator from the auxiliary battery.
        GTY784911Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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