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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Hybrid Battery Control System - Service Information (1 Of 3)) >> ELECTRIC VEHICLE CONVERTER (for PHEV Model) >> Removal [12/2023 - ] >> Procedure

Removal [12/2023 - ]: Procedure

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  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 [09/2023 - ]

    Refer to PRECAUTION [09/2023 - ]

  2. REMOVE SERVICE PLUG GRIP 

    Refer to REMOVAL [12/2023 - ]

  3. REMOVE NO. 2 INVERTER PROTECTOR 

    See step  6

  4. CHECK TERMINAL VOLTAGE 
    See step  7
  5. INSTALL NO. 2 INVERTER PROTECTOR 

    See step  19

  6. REMOVE DECK BOARD ASSEMBLY 

    Refer to PROCEDURE - Step 2

  7. REMOVE REAR DECK FLOOR BOX 

    Refer to PROCEDURE - Step 4

  8. REMOVE NO. 2 CHARGER INTAKE DUCT 

    See step  8

  9. REMOVE NO. 2 CONVERTER COOLING INTAKE DUCT 
    1. GTY1228676Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE EV CONVERTER PROTECTOR 
    1. GTY1239262Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE NO. 1 CONVERTER COOLING INTAKE DUCT 
    1. GTY1228674Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  12. DISCONNECT FLOOR WIRE 
    1. GTY1233836Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. GTY1233835Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. GTY1233837Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. DISCONNECT NO. 2 FLOOR WIRE 
    1. GTY1233942Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. REMOVE DC/DC CONVERTER COOLING EXHAUST DUCT 
    1. GTY1240355Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. DISCONNECT HV SOCKET INVERTER WIRE 
    WARNING:

    Be sure to wear insulated gloves.
    1. GTY1228376Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Green-colored Lock - -
      Slide - -
      1. Slide the green-colored lock of the connector as shown in the illustration to release it and disconnect the connector.
      2. Disengage the clamp.
  16. DISCONNECT FLOOR UNDER WIRE 
    WARNING:

    Be sure to wear insulated gloves.
    1. GTY1228664Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE DC/DC CONVERTER ASSEMBLY WITH BRACKET 
    WARNING:

    Be sure to wear insulated gloves.

    NOTE:

    If the DC/DC converter assembly has been struck or dropped, replace it.
    1. GTY1229485Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hold Here - -
  18. REMOVE DC/DC CONVERTER COOLING BLOWER ASSEMBLY 
    NOTE:
    • Be sure not to touch the fan part of the DC/DC converter cooling blower assembly.
    • Do not lift the DC/DC converter cooling blower assembly using the wire harness.
    • Do not allow any foreign matter to enter the DC/DC converter cooling blower assembly.
    1. GTY1230191Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE DC/DC CONVERTER ASSEMBLY 
    WARNING:

    Be sure to wear insulated gloves.

    NOTE:

    If the DC/DC converter assembly has been struck or dropped, replace it.
    1. GTY1230769Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Cooling Fin - -
      1. Disengage the 2 clamps.
      2. Remove the 4 bolts and DC/DC converter assembly.
        NOTE:

        Do not damage the cooling fin.

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