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Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (Hybrid Battery Control System - Service Information (3 Of 3)) >> FUSE BOX (for LITHIUM-ION BATTERY) >> Installation [08/2020 - ] >> Procedure

Installation [08/2020 - ]: Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSTALL HYBRID BATTERY TERMINAL BLOCK 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.

    1. Engage the claw to install the hybrid battery terminal block to the HV battery.
    2. Connect the hybrid battery terminal block connector.
      NOTE:

      Make sure that the connector is connected securely.

  2. INSTALL HV BATTERY JUNCTION BLOCK ASSEMBLY 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.

    1. Install the HV battery junction block assembly to the HV battery with the 4 nuts.

      Torque: 7.5 N.m (76 kgf/cm, 66 in.lbf) 

      NOTE:

      If the HV battery junction block assembly has been struck or dropped, replace it with a new one.

    2. Connect the 2 HV battery junction block assembly connectors.
      NOTE:

      Make sure that the connectors are connected securely.

    3. Install the electric vehicle battery plug assembly to the HV battery with the bolt.

      Torque: 7.5 N.m (76 kgf/cm, 66 in.lbf) 

    4. Connect the hybrid battery terminal block connector.
      NOTE:

      Make sure that the connector is connected securely.

    5. Connect the HV battery junction block assembly connector.
      NOTE:

      Make sure that the connector is connected securely.

    6. Engage the 2 claws to close the wiring harness protector.
  3. CONNECT FLOOR WIRE 

    Refer to PROCEDURE - Step 12

  4. CONNECT FLOOR UNDER WIRE 

    Refer to PROCEDURE - Step 13

  5. INSTALL NO. 1 HV BATTERY COVER PANEL RH 

    Refer to PROCEDURE - Step 14

  6. INSTALL REAR SEAT CUSHION LEG SUB-ASSEMBLY 

    See step  4

  7. INSTALL REAR UNDER COVER 

    See step  5

  8. INSTALL REAR UNDER SIDE COVER LH 

    See step  6

  9. INSTALL REAR DOOR SCUFF PLATE LH 

    Refer to PROCEDURE - Step 29

  10. INSTALL REAR UNDER SIDE COVER RH 

    See step  8

  11. INSTALL REAR DOOR SCUFF PLATE RH 

    HINT: 

    Use the same procedure as for the LH side.

  12. INSTALL REAR SEAT CUSHION LOCK HOOK 

    Refer to PROCEDURE - Step 4 [08/2020 - 08/2021] , or refer to PROCEDURE - Step 4 [08/2021 - ]

  13. INSTALL REAR SEAT CUSHION ASSEMBLY 

    Refer to PROCEDURE - Step 5 [08/2020 - 08/2021] , or refer to PROCEDURE - Step 5 [08/2021 - ]

  14. INSTALL SERVICE PLUG GRIP 

    Refer to INSTALLATION [06/2018 - ] 

  15. PERFORM INITIALIZATION 

    Refer to INITIALIZATION [08/2020 - 08/2021] , or refer to INITIALIZATION [08/2021 - 09/2022] , or refer to INITIALIZATION [09/2022 - ]

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