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Home >> Lexus >> 2020 >> RX 450h Base >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery / Charging System (Service Information) >> AUXILIARY BATTERY (w/o Rear No. 2 Seat) >> Installation [10/2015 - ] >> Procedure

Installation [10/2015 - ]: Procedure

  1. INSTALL AUXILIARY BATTERY 
    1. w/ Battery Insulator:
      1. Install the battery insulator to the auxiliary battery.
    2. Install the auxiliary battery.
    3. Connect the battery hose to the auxiliary battery.

      HINT: 

      Push the battery hose onto the auxiliary battery until a click sound is heard.

    4. Install the battery clamp sub-assembly with the 2 nuts.

      Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf) 

    5. Connect the cable to the positive (+) auxiliary battery terminal and tighten the nut.

      Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf) 

    6. Close the battery terminal cap.
  2. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL 
    1. Connect the cable to the negative (-) auxiliary battery terminal and tighten the nut.

      Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf) 

      NOTE:

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

      Refer to INITIALIZATION [10/2015 - 08/2016] , or refer to INITIALIZATION [08/2016 - 12/2017] , or refer to INITIALIZATION [12/2017 - 03/2018] , or refer to INITIALIZATION [03/2018 - 08/2019] , or refer to INITIALIZATION [08/2019 - ]

  3. INSTALL REAR DECK FLOOR BOX 

    Refer to PROCEDURE - Step 54 [10/2015 - 12/2017] , or refer to PROCEDURE - Step 53 [12/2017 - ]

  4. INSTALL DECK BOARD ASSEMBLY 

    Refer to PROCEDURE - Step 56 [10/2015 - 12/2017] , or refer to PROCEDURE - Step 55 [12/2017 - ]