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Home >> Lexus >> 2019 >> LC 500h >> Repair and Diagnosis >> Maintenance >> Procedures >> Maintenance - Service Information >> Auxiliary Battery >> Installation [01/2017 - 05/2023] >> Procedure

Installation [01/2017 - 05/2023]: Procedure

  1. INSTALL AUXILIARY BATTERY 
    1. Install the auxiliary battery.
    2. Connect the battery exhaust 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.

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

      Torque: 4.9 N.m (50 kgf/cm, 43 in.lbf) 

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

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

    5. Attach the claw to connect 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: 6.4 N.m (65 kgf/cm, 57 in.lbf) 

      NOTE:

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

      Refer to INITIALIZATION [01/2017 - 04/2020] , or refer to INITIALIZATION [04/2020 - 05/2023]

  3. INSTALL NO. 2 DECK BOARD 

    Refer to PROCEDURE - Step 13 [01/2017 - 01/2021] , or refer to PROCEDURE - Step 13 [01/2021 - 05/2023]