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Home >> Toyota >> 2021 >> Mirai XLE >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Motor Systems >> Hybrid Battery Control System - Service Information (3 Of 6) >> HV Battery >> Installation [12/2023 - ] >> Procedure

Installation [12/2023 - ]: Procedure

  1. INSPECT NO. 2 EV BATTERY INTAKE FILTER 

    Refer to INSPECTION [11/2020 - ]

  2. INSTALL NO. 9 EV BATTERY SHIELD PANEL 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    WARNING:

    Wear insulated gloves.

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

  3. INSTALL EV BATTERY DUCT SUB-ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    WARNING:

    Wear insulated gloves.
  4. TEMPORARILY TIGHTEN EV SUPPLY BATTERY ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    WARNING:

    Wear insulated gloves.
    1. GTY1003402Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Place wooden blocks as shown in the illustration and install the EV supply battery assembly by sliding it on the wooden blocks.
        NOTE:
        • To prevent the wire harness from being caught, make sure to bundle the wire harness using insulating tape or equivalent.
        • Use cardboard or another similar material to protect the EV supply battery assembly and vehicle body from damage.
        • Since the EV supply battery assembly is very heavy, 2 people are needed to remove it. When removing the HV battery, be careful not to damage the parts around it.
        • When removing/installing/moving the EV supply battery assembly, make sure not to tilt it more than 80°.
        • If the EV supply battery assembly has been struck or dropped, replace it.
    2. Temporarily install the EV supply battery assembly to the vehicle body with the 3 bolts.
      NOTE:

      Do not allow foreign matter, such as grease or oil, to adhere to the bolts of the EV supply battery assembly.

  5. INSTALL EV BATTERY BRACKET LH 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    WARNING:

    Wear insulated gloves.

    EV battery side 

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

    Vehicle body side 

    Torque: 20 N.m (204 kgf/cm, 15 ft.lbf) 

  6. INSTALL EV BATTERY BRACKET RH 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    WARNING:

    Wear insulated gloves.

    EV battery side 

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

    Vehicle body side 

    Torque: 20 N.m (204 kgf/cm, 15 ft.lbf) 

  7. TIGHTEN EV SUPPLY BATTERY ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    WARNING:

    Wear insulated gloves.
    1. GTY1003916Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Tighten the 3 bolts.

        Torque: 20 N.m (204 kgf/cm, 15 ft.lbf) 

  8. INSTALL NO. 2 SUB-BATTERY MULTI POWER BRACKET (w/ Advanced Drive) 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    WARNING:

    Wear insulated gloves.

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

  9. INSTALL ADVANCED DRIVE DUCT SUB-ASSEMBLY WITH ADVANCED DRIVE DUCT BRACKET (w/ Advanced Drive) 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    WARNING:

    Wear insulated gloves.
    1. GTY1002909Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install the advanced drive duct sub-assembly with advanced drive duct bracket to EV supply battery assembly with the 2 nuts.

        Torque: 8.0 N.m (82 kgf/cm, 71 in.lbf) 

      2. Extend the duct and attach the claw as shown in the illustration.
        NOTE:

        Visually check that the claw is securely attached.

  10. INSTALL NO. 4 ADVANCED DRIVE DUCT (w/ Advanced Drive) 
    1. GTY1005028Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Duct Valve *b NG
      *c OK - -
      1. Connect the No. 4 advanced drive duct as shown in the illustration.
        NOTE:

        Check that duct valve is not detached.

  11. INSTALL ECU COOLING BLOWER ASSEMBLY WITH BRCAKET (w/ Advanced Drive) 

    Refer to INSTALLATION [11/2021 - ]

  12. INSTALL ADVANCED DRIVE EXTENSION ECU ASSEMBLY (w/ Advanced Drive) 

    Refer to INSTALLATION [11/2021 - ]

  13. INSTALL ADVANCED DRIVE ECU ASSEMBLY (w/ Advanced Drive) 

    Refer to INSTALLATION [11/2021 - ]

  14. INSTALL VOLTAGE INVERTER BRACKET (for 1500W Type) 

    Refer to INSTALLATION [11/2020 - ]

  15. INSTALL FLOOR WIRE 
  16. INSTALL NO. 1 LUGGAGE ROOM WIRE 
    1. GTY1001789Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A w/ Advanced Drive - -
      *a Bolt *b Nut

      Bolt 

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

      Nut 

      Torque: 8.0 N.m (82 kgf/cm, 71 in.lbf) 

    2. GTY1003794Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A w/o Advanced Drive *B w/ Advanced Drive

      Torque: 8.0 N.m (82 kgf/cm, 71 in.lbf) 

  17. INSTALL VOLTAGE INVERTER ASSEMBLY (for 100W Type) 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 1
  18. INSTALL NO. 2 LUGGAGE ROOM WIRE (w/ Advanced Drive) 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    WARNING:

    Wear insulated gloves.

    Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

  19. INSTALL SOCKET INVERTER WIRE (for 1500W Type) 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    WARNING:

    Wear insulated gloves.
    1. GTY1003935Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Fuse Box - -
      *a Green-colored Lock - -
      Slide - -
      1. Connect the connector and slide the green-colored lock as shown in the illustration to lock it securely.
      2. Engage the clamp and install the socket inverter wire to the EV supply battery assembly.
      3. Engage the claw and connect the fuse box.
      4. Connect the each connectors.
      5. Install the nut.

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

  20. INSTALL FC BATTERY CHARGER WIRE (w/ Advanced Drive) 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    WARNING:

    Wear insulated gloves.

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

  21. INSTALL EV CONVERTER PROTECTOR (w/ Advanced Drive) 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    WARNING:

    Wear insulated gloves.

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

  22. INSTALL SUB-BATTERY MULTI POWER HOSE SUB-ASSEMBLY (w/ Advanced Drive) 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 3
  23. INSTALL MULTI POWER CONTROL SUB-BATTERY (w/ Advanced Drive) 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 2
  24. INSTALL NO. 3 SUB-BATTERY MULTI POWER BRACKET (w/ Advanced Drive) 

    Refer to PROCEDURE - Step 5

  25. INSTALL DC/DC CONVERTER ASSEMBLY WITH CONVERTER BRACKET (w/ Advanced Drive) 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 3
  26. INSTALL NO. 2 LUGGAGE ROOM WIRE (w/ Advanced Drive) 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 4
  27. INSTALL DC/DC CONVERTER COOLING BLOWER ASSEMBLY WITH CONVERTER COOLING BLOWER BRACKET (w/ Advanced Drive) 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 2
  28. INSTALL DC/DC CONVERTER COOLING EXHAUST DUCT (w/ Advanced Drive) 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 1
  29. INSTALL NO. 3 INDOOR ELECTRICAL KEY ANTENNA ASSEMBLY 
  30. INSTALL LIDAR ADVANCED DRIVE ECU ASSEMBLY (w/ Advanced Drive) 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 1
  31. INSTALL SPATIAL INFORMATION SERVICE ECU ASSEMBLY (w/ Advanced Drive) 

    Refer to PROCEDURE - Step 1

  32. INSTALL CLEARANCE WARNING ECU ASSEMBLY 

    Refer to INSTALLATION [11/2020 - ]

  33. INSTALL STEREO COMPONENT AMPLIFIER ASSEMBLY WITH BRACKET 

    Refer to INSTALLATION [12/2022 - ]

  34. INSTALL NO. 4 EV BATTERY EXHAUST DUCT 
  35. CONNECT FLOOR UNDER WIRE 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    WARNING:

    Wear insulated gloves.

    Torque: 8.0 N.m (82 kgf/cm, 71 in.lbf) 

  36. INSTALL NO. 10 EV BATTERY SHIELD PANEL 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    WARNING:

    Wear insulated gloves.

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

  37. INSTALL BATTERY COVER LOCK STRIKER 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    WARNING:

    Wear insulated gloves.
    1. GTY1002514Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Battery Cover Lock Striker - -
      *a Button *b Push
      1. Install the battery cover lock striker, then push the button to lock it.
  38. INSTALL CENTER NO. 1 FLOOR TO BLACE EXTENSION 

    Torque: 9.8 N.m (100 kgf/cm, 87 in.lbf) 

  39. CONNECT FLOOR WIRE 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    WARNING:

    Wear insulated gloves.
  40. INSTALL NO. 2 EV BATTERY CLAMP COVER 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    WARNING:

    Wear insulated gloves.
  41. INSTALL CENTER NO. 2 FLOOR TO BRACE EXTENSION 

    Torque: 9.8 N.m (100 kgf/cm, 87 in.lbf) 

  42. INSTALL NO. 4 EV BATTERY INTAKE DUCT 
  43. INSTALL NO. 2 EV BATTERY INTAKE DUCT 
  44. INSTALL NO. 1 ROOM PARTITION PAD 
  45. INSTALL REAR SEAT SIDE GARNISH LH 
  46. INSTALL REAR SEAT SIDE GARNISH RH 
  47. INSTALL BENCH TYPE REAR SEATBACK ASSEMBLY 

    Refer to INSTALLATION [11/2020 - ]

  48. INSTALL REAR DOOR SCUFF PLATE INSIDE LH 
  49. INSTALL REAR DOOR SCUFF PLATE INSIDE RH 
  50. INSTALL REAR LUGGAGE COMPARTMENT TRIM COVER (w/ Advanced Drive) 
  51. INSTALL LUGGAGE COMPARTMENT TRIM COVER INNER RH 
  52. INSTALL LUGGAGE COMPARTMENT TRIM COVER INNER LH 
  53. INSTALL REAR FLOOR FINISH PLATE 
  54. INSTALL FRONT LUGGAGE COMPARTMENT TRIM COVER 
  55. INSTALL TOOL BOX 
  56. INSTALL LUGGAGE COMPARTMENT TRIM COVER LH 
  57. INSTALL LUGGAGE COMPARTMENT MAT SUB-ASSEMBLY 
  58. CONNECT FC CONVERTER POWER OUTLET CABLE (INVERTER WITH CONVERTER ASSEMBLY) 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    WARNING:

    Wear insulated gloves.
    1. If the front holder and gasket are removed, install them using the following procedure.
      GTY1162883Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install the gasket to the housing.

        HINT: 

        Install by aligning the protrusion of the gasket with the housing groove.

      2. Install the front holder to the housing.
        NOTE:

        Push in the front holder until a "click" sound is heard. After pushing it in, check that it is not removed.

    2. Fig 1: FC Converter Power Outlet Cable (Inverter With Converter Assembly) Tightening Sequence
      GTY1160813Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Connect the FC converter power outlet cable (inverter with converter assembly) to the FC converter.
      2. Tighten the 2 bolts (A) and bolt (B) in the order shown in the illustration.

        Torque: 8.0 N.m (82 kgf/cm, 71 in.lbf) 

        NOTE:

        Installing the bolts in an incorrect order may damage the FC converter and FC converter power outlet cable (inverter with converter assembly).

      3. Engage the clamp
      4. Install the bolt.

        Torque: 8.0 N.m (82 kgf/cm, 71 in.lbf) 

  59. INSTALL FC STACK COVER SUB-ASSEMBLY 
  60. INSTALL UPPER RADIATOR SUPPORT SEAL 
  61. INSTALL SERVICE PLUG GRIP 

    Refer to INSTALLATION [12/2022 - ]

  62. PERFORM UTILITY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:
    • Perform "Battery Status Info Update" after replacing the malfunctioning EV supply battery assembly.

      Refer to UTILITY [11/2020 - ]

    • Perform "Prediagnostic Battery Charge" after replacing the malfunctioning EV supply battery assembly.

      Refer to UTILITY [11/2020 - ]

    • Perform "Battery Diagnosis" after replacing the malfunctioning EV supply battery assembly.

      Refer to UTILITY [11/2020 - ]
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