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Home >> Lexus >> 2020 >> LS 500h AWD >> Repair and Diagnosis >> Maintenance >> Procedures >> Maintenance - Service Information (2 Of 2) >> Auxiliary Battery >> Installation [10/2023 - ] >> Procedure

Installation [10/2023 - ]: Procedure

  1. INSTALL AUXILIARY BATTERY 
    1. Lower the auxiliary battery along the slope to install it as shown in the illustration.
      GTY832337Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Auxiliary battery installation direction
      *a Slope
      NOTE:

      As the auxiliary battery is very heavy, handle it with caution. If it is dropped or subjected to any strong impacts, replace it with a new one.

    2. Install the auxiliary battery.
    3. Connect the battery hose to the auxiliary battery.
      NOTE:

      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.

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

      Torque: 8.5 N.m (87 kgf/cm, 75 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. Connect the clamp spring assembly of the positive (+) auxiliary battery terminal to the auxiliary battery as shown in the illustration.
      GTY832717Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Auxiliary Battery *2 Clamp Spring Assembly
      Push the clamp spring assembly in this direction - -
    7. Attach the claw to connect the auxiliary 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.

      w/ Front LiDAR Sensor 

      Torque: 6.4 N.m (65 kgf/cm, 57 in.lbf) 

      w/o Front LiDAR Sensor 

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

  3. INSTALL TOOL BOX 
    1. Install the tool box.
  4. INSTALL LUGGAGE COMPARTMENT MAT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 13

  5. INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL 

    Refer to WORK PROCEDURE [10/2022 - ]

    HINT: 

    When disconnecting and reconnecting the battery, there is an automatic learning function that completes learning when the respective system is used.

    Refer to AUTOMATIC LEARNING CHART [10/2023 - ]