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

Installation [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) 

  3. INSTALL NO. 2 DECK BOARD 

    Refer to PROCEDURE - Step 13

  4. INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL 

    HINT: 

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

    Refer to AUTOMATIC LEARNING CHART [05/2023 - ]