DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 40 (Hybrid Battery Control System - Service Information (2 Of 2)) >> Frame Wire >> Installation [12/2019 - 11/2023] >> Procedure

Installation [12/2019 - 11/2023]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. INSTALL FLOOR UNDER WIRE 
    WARNING:

    Be sure to wear insulated gloves.

    1. for AWD:
      1. Install the HV floor under wire to the rear traction motor with transaxle assembly with the 2 bolts.
        GTY938517Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Waterproof Seal

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

        NOTE:
        • Make sure that the connector is fully engaged.
        • Do not damage the terminals, interlock connector or rear traction motor with transaxle assembly during installation.
        • 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. Engage the clamp.
        GTY880986Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. Install the nut.
        GTY880985Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

      4. Install a new clamp.
    2. Install a new clamp.
      GTY942325Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Grommet
    3. Install the nut.

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

    4. Insert the HV floor under wire into the floor panel hole and engage the grommet.
    5. Insert the HV floor under wire into the floor panel hole and engage the grommet.
      GTY880983Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Install the 2 nuts.

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

      GTY880984Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Install a new clamp.
      GTY935587Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Install the 3 nuts.

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

    9. Install the bolt and nut.

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

      GTY880982Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    10. Install a new clamp.
    11. Install 2 new clamps.
      GTY880987Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    12. Install the bolt and 2 nuts.

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

    13. Install the 2 nuts.

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

      GTY881017Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    14. Connect the engine room main wire to the HV floor under wire with the nut.

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

      GTY880980Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    15. Engage the 2 claws.
    16. Engage the guide and 2 claws to install the No. 1 terminal cap.
      GTY880978Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    17. Install the 2 nuts and bolt to connect the air conditioning tube assembly.
      GTY881020Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 5.4 N.m (55 kgf/cm, 48 in.lbf) 

    18. Install the nut and connect the transmission control cable assembly.
      GTY881019Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 6.0 N.m (61 kgf/cm, 53 in.lbf) 

  2. INSTALL FRONT NO. 1 FLOOR HEAT INSULATOR 
    1. Install the front No. 1 floor heat insulator with the 3 nuts.

      Torque: 4.9 N.m (50 kgf/cm, 43 in.lbf) 

  3. INSTALL REAR MAIN MUFFLER HEAT INSULATOR SUB-ASSEMBLY 
    1. Install the rear main muffler heat insulator sub-assembly with the 3 nuts.

      Torque: 4.9 N.m (50 kgf/cm, 43 in.lbf) 

  4. INSTALL NO. 3 EXHAUST PIPE SUPPORT BRACKET 
    1. Install the No. 3 exhaust pipe support bracket with the 2 bolts.

      Torque: 29 N.m (296 kgf/cm, 21 ft.lbf) 

  5. INSTALL NO. 4 EXHAUST PIPE SUPPORT BRACKET 
    1. Install the No. 4 exhaust pipe support bracket with the 2 bolts.

      Torque: 29 N.m (296 kgf/cm, 21 ft.lbf) 

  6. INSTALL ENGINE SERVICE COVER ASSEMBLY 
    1. Install the engine service cover assembly with the 3 nuts and clip.

      Torque: 4.9 N.m (50 kgf/cm, 43 in.lbf) 

  7. INSTALL FRONT FLOOR COVER RH 

    Refer to PROCEDURE - Step 27 [12/2019 - 10/2022] , or refer to PROCEDURE - Step 27 [10/2022 - 11/2023]

  8. INSTALL FUEL TANK SUB-ASSEMBLY 

    Refer to INSTALLATION [12/2019 - 11/2023]

  9. INSTALL EXHAUST MANIFOLD 

    Refer to INSTALLATION [12/2019 - 10/2022] , or refer to INSTALLATION [10/2022 - ]

  10. INSTALL FRONT EXHAUST PIPE ASSEMBLY 

    Refer to INSTALLATION [12/2019 - 10/2022] , or refer to INSTALLATION [10/2022 - ]

  11. CONNECT FLOOR UNDER WIRE 

    Refer to PROCEDURE - Step 10

  12. INSTALL NO. 10 HV BATTERY SHIELD PANEL 

    Refer to PROCEDURE - Step 11

  13. INSTALL REAR FLOOR SILENCER 

    See step  7

  14. INSTALL FRONT FLOOR CARPET ASSEMBLY 

    See step  8

  15. CONNECT FLOOR UNDER WIRE 
    1. Install the HV under floor wire with the nut.
      GTY880989Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 7.55 N.m (77 kgf/cm, 67 in.lbf) 

    2. Engage the 2 clamps.
  16. INSTALL DECK TRIM SIDE PANEL ASSEMBLY RH 

    Refer to PROCEDURE - Step 33 [12/2019 - 10/2022] , or refer to PROCEDURE - Step 31 [10/2022 - ]

  17. INSTALL ROPE HOOK (for RH Side) 

    HINT: 

    Use the same procedure as for the LH side.

    Refer to PROCEDURE - Step 24 [12/2019 - 10/2022] , or refer to PROCEDURE - Step 22 [10/2022 - ]

  18. INSTALL NO. 1 LUGGAGE COMPARTMENT TRIM HOOK (for RH Side) 

    HINT: 

    Use the same procedure as for the LH side.

    Refer to PROCEDURE - Step 25 [12/2019 - 10/2022] , or refer to PROCEDURE - Step 23 [10/2022 - ]

  19. INSTALL DECK TRIM POCKET COVER (for RH Side) 

    HINT: 

    Use the same procedure as for the LH side.

    Refer to PROCEDURE - Step 26 [12/2019 - 10/2022] , or refer to PROCEDURE - Step 34 [10/2022 - ]

  20. INSTALL COOLER (NO. 2 ROOM TEMP. SENSOR) THERMISTOR (w/ Rear Automatic Air Conditioning System) 

    Refer to PROCEDURE - Step 1

  21. CONNECT REAR NO. 2 SEAT OUTER BELT ASSEMBLY RH 

    HINT: 

    Use the same procedure as for the LH side.

    Refer to PROCEDURE - Step 1

  22. INSTALL NO. 1 DECK SIDE TRIM COVER 

    HINT: 

    Use the same procedure as for the No. 2 deck side trim cover.

    Refer to PROCEDURE - Step 28 [12/2019 - 10/2022] , or refer to PROCEDURE - Step 26 [10/2022 - ]

  23. CONNECT REAR SEAT OUTER BELT ASSEMBLY RH 

    HINT: 

    Use the same procedure as for the LH side.

    Refer to PROCEDURE - Step 1 [12/2019 - 10/2021] , or refer to PROCEDURE - Step 1 [10/2021 - ]

  24. INSTALL FRONT DECK SIDE TRIM COVER RH 

    Refer to PROCEDURE - Step 41 [12/2019 - 10/2022] , or refer to PROCEDURE - Step 39 [10/2022 - ]

  25. INSTALL REAR CONSOLE BOX ASSEMBLY (for Captain Seat Type) 

    Refer to INSTALLATION [12/2019 - ]

  26. INSTALL REAR NO. 2 SEAT ASSEMBLY 

    Refer to INSTALLATION [12/2019 - ]

  27. INSTALL REAR NO. 1 SEAT ASSEMBLY (for Captain Seat Type) 

    Refer to REMOVAL [12/2019 - ]

  28. INSTALL REAR NO. 1 SEAT ASSEMBLY LH (for 60/40 Split Seat Type) 

    Refer to INSTALLATION [12/2019 - ]

  29. INSTALL REAR NO. 1 SEAT ASSEMBLY RH (for 60/40 Split Seat Type) 

    Refer to INSTALLATION [12/2019 - ]

  30. CONNECT FLOOR UNDER WIRE 

    Refer to PROCEDURE - Step 15

  31. CONNECT ENGINE ROOM MAIN WIRE 
    WARNING:

    Be sure to wear insulated gloves.

    NOTE:

    Do not allow any foreign matter or water to enter the inverter with converter assembly.

    1. Connect the inverter with converter assembly connector and move the lock lever to lock them.
      NOTE:
      • Do not touch the waterproof seal or terminals of the connectors.
      • To prevent damage due to static electricity, do not touch the terminals of the disconnected connectors.
      • Do not damage the terminals, connector housing or inverter with converter assembly when connecting the connectors.
  32. INSTALL NO. 2 INVERTER PROTECTOR 

    Refer to PROCEDURE - Step 17

  33. INSTALL SERVICE PLUG GRIP 

    Refer to INSTALLATION [12/2019 - 11/2023] 

  34. PERFORM INITIALIZATION 

    Refer to INITIALIZATION [12/2019 - 09/2020] , or refer to INITIALIZATION [09/2020 - 10/2021] , or refer to INITIALIZATION [10/2021 - 10/2022] , or refer to INITIALIZATION [10/2022 - 11/2023]