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Removal [10/2020 - 11/2021]: Procedure

  1. PRECAUTION 
    NOTE:
    • After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

      Refer to PRECAUTION [10/2020 - 11/2021]

    • If the HV battery has been struck or dropped, replace it.
    • When connecting a connector to the HV battery, confirm that the connector is securely connected through the following:

      - Push the connector until a click sound is heard.

      - Visually check and confirm that the connector is securely connected by pulling on it.

    • Make sure to insulate the high-voltage connectors and terminals of the HV battery with insulating tape after removing it.

      If the HV battery stored without insulating the connectors and terminals, electric shock or fire may result.

    • When performing repairs around the HV battery, such as using a tap, do not allow metal shavings to enter the HV battery.
    • Do not touch any high voltage wire harnesses, connectors or parts with bare hands.
    • Hold the areas shown in the illustration and lift the HV battery.
      GTY785035Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 No. 1 HV Battery Carrier Sheet
    • Do not break the No. 1 HV battery carrier sheet.
    • Do not allow foreign matter, such as grease or oil, to adhere to the bolts or nuts of the HV battery.
    • Do not put your hands into the openings of the HV battery.
    • When removing/installing/moving the HV battery assembly, make sure not to tilt it more than 80°.
    • Do not climb on top of or stand on the HV battery.
    • Do not allow any foreign matter or water to enter the HV battery.
    • If any bolts, nuts or clips are dropped into the HV battery, make sure to remove them.
  2. READ VALUE USING TECHSTREAM 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Enter the following menus: Powertrain / HV Battery / Data List / Hybrid Battery Temperature 1 to 6.

      Powertrain > HV Battery > Data List 

      Tester Display
      Hybrid Battery Temperature 1
      Hybrid Battery Temperature 2
      Hybrid Battery Temperature 3
      Hybrid Battery Temperature 4
      Hybrid Battery Temperature 5
      Hybrid Battery Temperature 6
    4. Read the Data List.
      NOTE:

      If any of the temperatures listed in "Hybrid Battery Temperature 1 to 6" are 50°C or more, leave the vehicle until the temperature drops to less than 50°C.

  3. AIR SUSPENSION CONTROL PROHIBITED (w/ Air Suspension) 

    Refer to PRECAUTION [10/2017 - ]

  4. REMOVE LUGGAGE COMPARTMENT MAT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 25

  5. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL 

    Refer to PROCEDURE - Step 4

  6. REMOVE TOOL BOX 

    Refer to PROCEDURE - Step 28

  7. REMOVE LUGGAGE COMPARTMENT FLOOR MAT 

    Refer to PROCEDURE - Step 24

  8. REMOVE LUGGAGE COMPARTMENT TRIM COVER RH 

    Refer to PROCEDURE - Step 27

  9. REMOVE LUGGAGE COMPARTMENT TRIM COVER LH 

    Refer to PROCEDURE - Step 26

  10. REMOVE SIDE TRIM BOX 

    Refer to PROCEDURE - Step 16

  11. REMOVE REAR FLOOR FINISH PLATE 

    Refer to PROCEDURE - Step 11

  12. REMOVE LOWER INNER LUGGAGE COMPARTMENT TRIM COVER 

    Refer to PROCEDURE - Step 29

  13. REMOVE NO. 1 LUGGAGE COMPARTMENT LIGHT ASSEMBLY 

    Refer to REMOVAL [10/2017 - ]

  14. REMOVE FRONT LUGGAGE COMPARTMENT TRIM COVER (w/o Advanced Drive) 

    Refer to PROCEDURE - Step 30

  15. REMOVE FRONT LUGGAGE COMPARTMENT TRIM COVER (w/ Advanced Drive) 

    HINT: 

    Use the same procedure described for the front luggage compartment trim cover (w/o Advanced Drive).

  16. REMOVE REAR LUGGAGE COMPARTMENT TRIM COVER (w/o Advanced Drive) 

    Refer to PROCEDURE - Step 33

  17. REMOVE REAR LUGGAGE COMPARTMENT TRIM COVER (w/ Advanced Drive) 

    HINT: 

    Use the same procedure described for the rear luggage compartment trim cover (w/o Advanced Drive).

  18. REMOVE LUGGAGE COMPARTMENT TRIM COVER ASSEMBLY RH 

    Refer to PROCEDURE - Step 17

  19. REMOVE LUGGAGE COMPARTMENT TRIM COVER ASSEMBLY LH 

    Refer to PROCEDURE - Step 14

  20. REMOVE REAR LUGGAGE COMPARTMENT TRAY BRACKET RH 

    Refer to PROCEDURE - Step 14

  21. REMOVE REAR LUGGAGE COMPARTMENT TRAY BRACKET LH 

    HINT: 

    Perform the same procedure as for the RH side.

  22. REMOVE SERVICE PLUG GRIP 

    Refer to REMOVAL [10/2020 - 11/2021]

  23. REMOVE INVERTER COVER ASSEMBLY RH 

    Refer to PROCEDURE - Step 9

  24. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY 

    Refer to REMOVAL [10/2020 - ]

  25. REMOVE CONNECTOR COVER ASSEMBLY 

    Refer to PROCEDURE - Step 12

  26. CHECK TERMINAL VOLTAGE 

    Refer to PROCEDURE - Step 13

  27. INSTALL CONNECTOR COVER ASSEMBLY 

    Refer to PROCEDURE - Step 15

  28. REMOVE CONNECTOR COVER 
    1. Disengage the claw, clamp and remove the battery terminal connector cover.
      GTY800102Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  29. DISCONNECT NO. 3 FLOOR WIRE (w/ Advanced Drive) 
    1. Remove the nut and disconnect the No. 3 floor wire.
      GTY965537Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  30. DISCONNECT FLOOR UNDER WIRE 
    1. w/o Advanced Drive:
      GTY800104Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the nut and disconnect the floor under wire.
    2. w/ Advanced Drive:
      GTY965472Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the floor under wire.
  31. REMOVE SUB-BATTERY MODULE ASSEMBLY (w/o Advanced Drive) 

    Refer to PROCEDURE - Step 16

  32. REMOVE NO. 3 EARTH WIRE (w/o Advanced Drive) 
    1. GTY806346Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the bolt and No. 3 earth wire.

  33. REMOVE AUXILIARY BATTERY 

    Refer to PROCEDURE - Step 5

  34. REMOVE EARTH WIRE 
    1. GTY806347Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 2 bolts and earth wire.

  35. REMOVE BATTERY CARRIER CATCH BRACKET SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 16

  36. REMOVE BATTERY CARRIER ASSEMBLY 

    Refer to PROCEDURE - Step 17

  37. REMOVE DC/DC CONVERTER COOLING EXHAUST DUCT (w/ Advanced Drive) 
  38. REMOVE DC/DC CONVERTER COOLING BLOWER ASSEMBLY W/CONVERTER COOLING BLOWER BRACKET (w/ Advanced Drive) 
  39. DISCONNECT NO. 3 FLOOR WIRE (w/ Advanced Drive) 
  40. REMOVE DC/DC CONVERTER ASSEMBLY W/BRACKET (w/ Advanced Drive) 
  41. REMOVE MULTI POWER CONTROL SUB-BATTERY (w/ Advanced Drive) 
  42. REMOVE SUB-BATTERY MULTI POWER HOSE SUB-ASSEMBLY (w/ Advanced Drive) 
  43. REMOVE LIDAR ADVANCED DRIVE ECU ASSEMBLY (w/ Advanced Drive) 
  44. REMOVE MULTI POWER CONTROL ECU ASSEMBLY (w/ Advanced Drive) 
  45. REMOVE NO. 3 FLOOR WIRE (w/ Advanced Drive) 
    1. Remove the bolt.
      GTY965118Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the connector.
    3. Disengage the 3 clamps and disconnect the No. 3 floot wire from the HV battery.
    4. Remove the 2 bolts.
      GTY965117Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Disengage the 2 clamps
    6. Remove the clip.
      GTY965122Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Disengage the 2 clamps and remove the No. 3 floot wire from the vehicle body.
  46. REMOVE NO. 1 LUGGAGE ROOM WIRE 
    1. w/ Air Suspension:
      1. Disconnect the connector from the height control compressor.
        GTY807513Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Disengage clamp and 3 claws.
    2. Disconnect the connectors.
      GTY965595Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A w/ Air Suspension *B w/ 100W Voltage Inverter
      *C w/o Advanced Drive *D w/ Advanced Drive
      *E Relay Block A *F Relay Block B
      GTY965530Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A w/o Air Suspension *B w/ 100W Voltage Inverter
      *C w/o Advanced Drive *D w/ Advanced Drive
      *E Relay Block A *F Relay Block B
    3. w/ 100W Voltage Inverter:
      1. Disengage the clamp.
      2. Disconnect the connector.
    4. Relay block A:
      1. Remove the bolt (A), bolt (B) and 2 nuts.
    5. Relay block B:
      1. Remove the 2 bolts (C).
    6. Remove the bolt (D).
    7. Disengage the each clamps and remove the No. 1 luggage room wire.
  47. DISCONNECT FLOOR WIRE (w/ Advanced Drive) 
    1. Disconnect the 3 connectors.
      GTY965370Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 5 clamps and disconnect the floor wire from the vehicle body.
  48. REMOVE REAR SEAT CUSHION ASSEMBLY (for Fixed Seat Type) 

    Refer to PROCEDURE - Step 4

  49. REMOVE REAR SEAT CUSHION LOCK HOOK (for Fixed Seat Type) 

    Refer to PROCEDURE - Step 7

  50. REMOVE NO. 1 SEAT ARMREST CAP (for Fixed Seat Type) 

    Refer to PROCEDURE - Step 5

  51. REMOVE REAR SEATBACK ASSEMBLY (for Fixed Seat Type) 

    Refer to PROCEDURE - Step 6

  52. REMOVE REAR SEAT BACK HOLDER (for Fixed Seat Type) 

    Refer to PROCEDURE - Step 8

  53. REMOVE REAR SEAT CUSHION ASSEMBLY LH (for Power Seat) 

    Refer to PROCEDURE - Step 4

  54. REMOVE REAR SEAT CUSHION ASSEMBLY RH (for Power Seat) 

    Refer to PROCEDURE - Step 5

  55. REMOVE REAR CENTER SEAT CUSHION ASSEMBLY (for Power Seat) 

    Refer to PROCEDURE - Step 6

  56. REMOVE REAR SEAT CUSHION LOCK HOOK (for Power Seat) 

    Refer to PROCEDURE - Step 7

  57. REMOVE REAR SEATBACK ASSEMBLY LH (for Power Seat) 

    Refer to PROCEDURE - Step 8

  58. REMOVE REAR SEATBACK ASSEMBLY RH (for Power Seat) 

    Refer to PROCEDURE - Step 9

  59. REMOVE REAR CENTER SEAT ARMREST ASSEMBLY (for Power Seat) 

    Refer to PROCEDURE - Step 10

  60. REMOVE REAR DOOR SCUFF PLATE LH 

    Refer to PROCEDURE - Step 15

  61. REMOVE REAR DOOR SCUFF PLATE RH 

    Refer to PROCEDURE - Step 16

  62. REMOVE REAR SEAT SIDE GARNISH LH 

    Refer to PROCEDURE - Step 23

  63. REMOVE REAR SEAT SIDE GARNISH RH 

    Refer to PROCEDURE - Step 24

  64. REMOVE ROOM PARTITION BOARD ASSEMBLY LH (for Power Seat) 

    Refer to PROCEDURE - Step 17

  65. REMOVE ROOM PARTITION BOARD ASSEMBLY RH (for Power Seat) 

    Refer to PROCEDURE - Step 18

  66. REMOVE NO. 2 EV BATTERY INTAKE DUCT 
    1. GTY800006Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 4 clips and No. 2 EV battery intake duct.

  67. REMOVE NO. 4 HYBRID BATTERY INTAKE DUCT 
    1. GTY800007Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 4 clips and No. 4 hybrid battery intake duct.

  68. REMOVE CENTER ROOM PARTITION GARNISH ASSEMBLY (for Power Seat) 

    Refer to PROCEDURE - Step 20

  69. REMOVE NO. 1 SEAT RECLINING ADJUSTER ASSEMBLY LH (for Power Seat) 

    Refer to PROCEDURE - Step 21

  70. REMOVE NO. 1 SEAT RECLINING ADJUSTER ASSEMBLY RH (for Power Seat) 

    Refer to PROCEDURE - Step 22

  71. REMOVE CENTER NO. 2 FLOOR TO BRACE EXTENSION 
    1. Remove the 3 bolts and center No. 2 floor to brace extension.
      GTY807503Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  72. DISCONNECT FLOOR WIRE 
    WARNING:

    Wear insulated gloves.

    1. Disengage the 2 claws and Remove the connector cover.
      GTY800004Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. GTY800005Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Disconnect the 2 connectors.

  73. REMOVE CENTER NO. 1 FLOOR TO BLACE EXTENSION 
    1. Remove the 3 bolts and center No. 1 floor to blace extension.
      GTY807508Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  74. REMOVE NO. 10 HV BATTERY SHIELD PANEL 
    WARNING:

    Wear insulated gloves.

    1. Using the service plug grip, remove the battery cover lock striker.

      HINT: 

      Insert the projection of the service plug grip and turn the button of the battery cover lock striker counterclockwise to release the lock.

      GTY808859Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Service Plug Grip
      *2 Battery Cover Lock Striker
      *a Projection
      *b Turn
      *c Button
    2. Remove the 2 nuts and No. 10 HV battery shield panel.
      GTY832709Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  75. DISCONNECT FLOOR UNDER WIRE 
    WARNING:

    Wear insulated gloves.

    1. Remove the nut and disconnect the 2 connectors.
      GTY800008Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  76. REMOVE NO. 4 HV BATTERY EXHAUST DUCT 
    WARNING:

    Wear insulated gloves.

    1. GTY800001Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Disengage the 2 claws as shown in the illustration.

    2. Remove the No. 4 HV battery exhaust duct.
  77. REMOVE HV BATTERY CHARGER WIRE (w/ Advanced Drive) 
    WARNING:

    Wear insulated gloves.

    1. Disengage the clamp.
      GTY965102Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the nut.
      GTY968354Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Fuse Box
    3. Disconnect the 2 connectors.
    4. Disengage the 2 claws and disconnect the fuse box.
    5. Disengage the 2 clamps and Remove the HV battery charger wire from the HV battery.
  78. REMOVE NO. 2 SUB-BATTERY MULTI POWER BRACKET (w/ Advanced Drive) 
    1. Remove the 6 nuts and No. 2 sub-battery multi power bracket from the HV battery.
      GTY964999Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  79. REMOVE HV BATTERY ASSEMBLY 
    WARNING:

    Wear insulated gloves.

    1. Remove the 3 bolts, 2 nuts and HV battery assembly.
      NOTE:
      • Do not allow foreign matter, such as grease or oil, to adhere to the bolts of the HV battery.
      • To prevent the wire harness from being caught, make sure to bundle the wire harness using insulating tape or equivalent.
      • Since the HV battery 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 the HV battery from the vehicle, do not allow it to contact the vehicle.
      • When removing/installing/moving the HV battery, make sure not to tilt it more than 80°.
      • Insulate the disconnected terminals or connectors with insulating tape.
      • If the HV battery has been struck or dropped, replace it.
      GTY800002Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Use cardboard or another similar material to protect the HV battery and vehicle body from damage.

      GTY835412Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  80. REMOVE HV BATTERY DUCT SUB-ASSEMBLY 
    WARNING:

    Wear insulated gloves.

    1. GTY793633Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the clip and HV battery duct sub-assembly.

  81. REMOVE NO. 9 HV BATTERY SHIELD PANEL 
    WARNING:

    Wear insulated gloves.

    1. GTY793629Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 4 nuts and No. 9 HV battery shield panel.

  82. REMOVE HV BATTERY BRACKET LH 
    WARNING:

    Wear insulated gloves.

    1. GTY793628Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the bolt, 2 nuts and HV battery bracket LH.

  83. REMOVE HV BATTERY BRACKET RH 

    HINT: 

    Use the same procedure described for the HV battery bracket LH.

  84. PERFORM RECOVERY INSPECTION 
    1. Before returning the HV battery, make sure to perform a recovery inspection.

      Refer to RECOVERY INSPECTION [10/2017 - ]

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