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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Battery Control System - Service Information (3 Of 4) >> FRAME WIRE (for THS-HEV Model) >> Removal [10/2022 - ] >> Procedure

Removal [10/2022 - ]: Procedure

  1. PRECAUTION 
    NOTE:

    After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal.

    Refer to BEFORE DISCONNECTING BATTERY [10/2022 - ]

    Refer to PRECAUTION [10/2022 - ]

  2. REMOVE FUEL TANK SUB-ASSEMBLY 

    Refer to REMOVAL [10/2022 - ]

  3. REMOVE SERVICE PLUG GRIP 

    Refer to PROCEDURE - Step 5

  4. REMOVE NO. 2 INVERTER PROTECTOR 

    Refer to PROCEDURE - Step 8

  5. DISCONNECT ENGINE ROOM MAIN WIRE 
    WARNING:

    Be sure to wear insulated gloves.

    NOTE:

    Do not allow any foreign matter or water to enter the hybrid motor control inverter assembly.
    1. GTY1078733Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Move the lock lever as shown in the illustration and disconnect the hybrid motor control inverter assembly connector.
        NOTE:
        • Do not touch the waterproof seal or terminals of the connector.
        • Do not damage the terminals, connector housing or hybrid motor control inverter assembly during disconnection.
        • Cover the hole where the cable was connected with tape (non-residue type) or equivalent to prevent entry of foreign matter.
        • Insulate the disconnected terminals with insulating tape.
  6. REMOVE CONNECTOR COVER ASSEMBLY 
    Refer to PROCEDURE - Step 10
  7. CHECK TERMINAL VOLTAGE 
    Refer to PROCEDURE - Step 11
  8. TEMPORARILY INSTALL CONNECTOR COVER ASSEMBLY 
    Refer to PROCEDURE - Step 12
  9. DISCONNECT FLOOR UNDER WIRE 
    Refer to PROCEDURE - Step 13
  10. REMOVE REAR SEAT ASSEMBLY 

    Refer to REMOVAL [10/2022 - 08/2023] , or refer to REMOVAL [08/2023 - ]

  11. REMOVE REAR SEAT CUSHION LOCK HOOK 

    Refer to PROCEDURE - Step 18 [10/2022 - 08/2023] , or refer to PROCEDURE - Step 18 [08/2023 - ]

  12. REMOVE REAR DOOR SCUFF PLATE LH 

    Refer to PROCEDURE - Step 20 [10/2022 - 08/2023] , or refer to PROCEDURE - Step 21 [08/2023 - ]

  13. REMOVE NO. 3 BATTERY SERVICE COVER BOARD 

    Refer to PROCEDURE - Step 21 [10/2022 - 08/2023] , or refer to PROCEDURE - Step 22 [08/2023 - ]

  14. REMOVE REAR DOOR SCUFF PLATE RH 
    1. Use the same procedure as for the LH side.
  15. REMOVE NO. 2 BATTERY SERVICE COVER BOARD 
    1. Use the same procedure as for the No. 3 battery service cover board.
  16. REMOVE BATTERY SERVICE COVER BOARD 

    Refer to PROCEDURE - Step 7

  17. REMOVE FOLD SEAT CONTROL ECU (for Power Seat) 

    Refer to PROCEDURE - Step 13 [10/2022 - 08/2023] , or refer to PROCEDURE - Step 13 [08/2023 - ]

  18. REMOVE REAR SEAT CUSHION LEG SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 9

  19. REMOVE NO. 2 FLOOR MAT 

    Refer to PROCEDURE - Step 10

  20. REMOVE UPPER HV BATTERY COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 11

  21. REMOVE NO. 6 HV BATTERY SHIELD SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 24
  22. DISCONNECT FLOOR UNDER WIRE 
    Refer to PROCEDURE - Step 25
  23. REMOVE FRONT EXHAUST PIPE ASSEMBLY 

    Refer to REMOVAL [10/2022 - 08/2023] , or refer to REMOVAL [08/2023 - ]

  24. REMOVE NO. 2 EXHAUST PIPE SUPPORT BRACKET 

    See step  46

  25. REMOVE FRONT FLOOR COVER RH 
    Refer to PROCEDURE - Step 36 [10/2022 - 10/2024] , or refer to PROCEDURE - Step 34
  26. REMOVE ENGINE SERVICE COVER ASSEMBLY 

    See step  48

  27. REMOVE REAR MAIN MUFFLER HEAT INSULATOR SUB-ASSEMBLY 

    See step  49

  28. REMOVE FLOOR UNDER WIRE 
    WARNING:

    Be sure to wear insulated gloves.

    NOTE:

    Insulate the disconnected connectors with insulating tape.
    1. GTY1130595Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. GTY1132379Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Waterproof Seal - -
      1. Remove the 2 bolts and HV floor under wire from the rear traction motor with transaxle assembly.
        NOTE:
        • Do not damage the terminals, interlock connector or rear traction motor with transaxle assembly during disconnection.
        • Do not touch the waterproof seal or terminals of the connector.
        • Do not allow any foreign matter or water to enter the rear traction motor with transaxle assembly.
        • Although the connector may feel loose, this is not due to a malfunction.
      2. Disengage the clamp.
      3. Remove the nut.
      4. Disengage the clamp.
        NOTE:

        If the clamp is removed forcibly, the stud bolt may be damaged.

    3. GTY1130597Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. GTY1130593Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the 13 nuts, 3 bolts and 5 clamps.
        NOTE:

        If the clamp is removed forcibly, the stud bolt may be damaged.

      2. Disengage the grommet and pull out the floor under wire from the floor panel hole.
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