LEMON Manuals: Even more car manuals for everyone
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) >> Removal [08/2020 - 08/2021] >> Procedure

Removal [08/2020 - 08/2021]: 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. REMOVE SERVICE PLUG GRIP 

    Refer to REMOVAL [08/2020 - 08/2021] 

  2. DISCONNECT ENGINE ROOM MAIN WIRE 

    See step  3

  3. REMOVE CONNECTOR COVER ASSEMBLY 

    Refer to PROCEDURE - Step 10

  4. CHECK TERMINAL VOLTAGE 

    Refer to PROCEDURE - Step 11

  5. INSTALL CONNECTOR COVER ASSEMBLY 

    Refer to PROCEDURE - Step 6

  6. CONNECT ENGINE ROOM MAIN WIRE 

    See step  18

  7. REMOVE REAR SEAT CUSHION ASSEMBLY 

    Refer to PROCEDURE - Step 3

  8. REMOVE REAR SEAT CUSHION LOCK HOOK 

    Refer to PROCEDURE - Step 5

  9. REMOVE REAR DOOR SCUFF PLATE LH 

    Refer to PROCEDURE - Step 9

  10. REMOVE REAR UNDER SIDE COVER LH 

    See step  4

  11. REMOVE REAR DOOR SCUFF PLATE RH 

    HINT: 

    Use the same procedure as for the LH side.

  12. REMOVE REAR UNDER SIDE COVER RH 

    See step  6

  13. REMOVE REAR UNDER COVER 

    See step  7

  14. REMOVE REAR SEAT CUSHION LEG SUB-ASSEMBLY 

    See step  8

  15. REMOVE NO. 1 HV BATTERY COVER PANEL RH 

    Refer to PROCEDURE - Step 9

  16. DISCONNECT HV FLOOR UNDER WIRE 

    Refer to PROCEDURE - Step 10

  17. DISCONNECT FLOOR WIRE 

    Refer to PROCEDURE - Step 11

  18. REMOVE HV BATTERY JUNCTION BLOCK ASSEMBLY 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.

    1. Disengage the 2 claws and open the wiring harness protector.
      GTY773726Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the HV battery junction block assembly connector.
      GTY764145Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Insulate the disconnected high-voltage connector with insulating tape.

    3. Disconnect the hybrid battery terminal block connector.
      NOTE:

      Insulate the disconnected high-voltage connector with insulating tape.

    4. Remove the bolt and electric vehicle battery plug assembly from the HV battery.
      GTY773737Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Disconnect the 2 HV battery junction block assembly connectors.
      GTY764151Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Insulate the disconnected high-voltage connectors with insulating tape.

    6. Remove the 4 nuts and HV battery junction block assembly from the HV battery.
      NOTE:

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

      GTY764147Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE HYBRID BATTERY TERMINAL BLOCK 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.

    1. Disconnect the hybrid battery terminal block connector.
      GTY764146Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Insulate the disconnected high-voltage connector with insulating tape.

    2. Disengage the claw to remove the hybrid battery terminal block from the HV battery.
      GTY773736Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
scientia non olet · About LEMON Manuals