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Installation [10/2018 - ]: Procedure

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  1. INSTALL INVERTER PROTECTOR 
    1. Install the inverter protector to the inverter with converter assembly with the bolt.

      Torque: 9.5 N*m (97 kgf*cm, 84 in.*lbf) 

  2. INSTALL WIRE HARNESS CLAMP BRACKET 
    1. Install the wire harness clamp bracket to the inverter with converter assembly with the 2 bolts.
      GTY787074Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 9.5 N*m (97 kgf*cm, 84 in.*lbf) 

    2. Install the wire harness clamp bracket to the inverter with converter assembly with the bolt.
      GTY787073Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 9.5 N*m (97 kgf*cm, 84 in.*lbf) 

    3. Install the wire harness clamp bracket to the inverter with converter assembly with the 2 bolts.
      GTY787072Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 9.5 N*m (97 kgf*cm, 84 in.*lbf) 

  3. INSTALL TRANSMISSION CONTROL CABLE SUPPORT 
    1. Install the transmission control cable support to the inverter with converter assembly with the bolt.

      Torque: 5.0 N*m (51 kgf*cm, 44 in.*lbf) 

  4. INSTALL NO. 2 INVERTER BRACKET 
    1. Set the inverter with converter assembly on wooden blocks.
      GTY795281Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Wooden Block
      NOTE:

      Make sure to support the inverter with converter assembly at the positions shown in the illustration, otherwise it may be damaged.

      GTY829888Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Temporarily install the No. 2 inverter bracket to the inverter with converter assembly with the 2 bolts.
    3. Fully tighten the 2 bolts in the order shown in the illustration.

      Torque: 15 N*m (153 kgf*cm, 11 ft.*lbf) 

  5. INSTALL NO. 1 INVERTER BRACKET 
    1. Temporarily install the No. 1 inverter bracket to the inverter with converter assembly with the 2 bolts.
      Fig 1: No. 1 Inverter Bracket Bolt Tightening Sequence
      GTY828658Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Wooden Block
    2. Fully tighten the 2 bolts in the order shown in the illustration.

      Torque: 15 N*m (153 kgf*cm, 11 ft.*lbf) 

  6. INSTALL INVERTER WITH CONVERTER ASSEMBLY 
    WARNING:

    Wear insulated gloves.

    1. Temporarily install the inverter with converter assembly with the 5 bolts and 2 nuts.
      NOTE:
      • When installing the inverter with converter assembly, be careful not to damage the parts around it.
      • To prevent damage, do not hold the inverter with converter assembly by the connectors, brackets or cooling pipes.
      • To prevent damage due to static electricity, do not touch the terminals of the disconnected connectors.
      • Make sure that the inverter with converter assembly is positioned so that the stud bolts are in contact with the base of the U-shaped portions of the No. 1 inverter bracket.
        GTY833926Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Correct
        *b Incorrect

      HINT: 

      If the bolts and nuts are not tightened appropriately, the inverter with converter assembly may make an abnormal noise.

    2. Fully tighten the bolt (A).
      GTY784673Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 55 N*m (561 kgf*cm, 41 ft.*lbf) 

    3. Fully tighten the 3 bolts (B).

      Torque: 55 N*m (561 kgf*cm, 41 ft.*lbf) 

    4. Fully tighten the bolt (C).

      Torque: 55 N*m (561 kgf*cm, 41 ft.*lbf) 

    5. Fully tighten the 2 nuts (D).

      Torque: 55 N*m (561 kgf*cm, 41 ft.*lbf) 

  7. CONNECT MOTOR CABLE 
    WARNING:

    Wear insulated gloves.

    NOTE:

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

    1. Temporarily connect the motor cable to the inverter with converter assembly with the 4 bolts.
      NOTE:
      • Do not touch the waterproof seal or terminals of the connector.
      • Do not damage the terminals, connector housing or inverter with converter assembly during disconnection.
    2. Fully tighten the bolt (A).
      Fig 2: Motor Cable Bolt Tightening Sequence
      GTY780545Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Waterproof Seal

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

    3. Fully tighten the 3 bolts in the order shown in the illustration to connect the motor cable to the inverter with converter assembly.

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

    4. Temporarily install the 6 bolts.
      NOTE:
      • To prevent the threads from being damaged, temporarily tighten the 6 bolts by hand.
      • Do not damage the terminals, connector housing or inverter with converter assembly during disconnection.
      GTY542955Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Using an insulated tool, fully tighten the 6 bolts.

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

      NOTE:
      • Do not touch the waterproof seal or terminals of the connector.
      • Do not damage the terminals, connector housing or inverter with converter assembly during disconnection.
      • Be sure to use a torque wrench to tighten the bolts.
  8. INSTALL INVERTER COVER 
    WARNING:

    Wear insulated gloves.

    1. Install the inverter cover to the inverter with converter assembly with the 2 bolts.

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

      NOTE:
      • Visually confirm that the inverter cover waterproof seal is securely installed before installing the inverter cover.
      • Do not touch the waterproof seal of the inverter cover.
      • Make sure that the interlock is fully engaged.
      • Do not damage the terminals, interlock connector or inverter with converter assembly during installation.
      • Do not allow any foreign matter or water to enter the inverter with converter assembly.
      • Do not remove or excessively tighten the screw of the inverter cover.
        GTY596586Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *1 Inverter Cover
        *a Screw
      • Although the inverter cover may feel loose, this is not due to a malfunction.
      • Push in the inverter cover until it contacts the inverter with converter assembly.
        GTY832685Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a No Gap
  9. INSTALL AIR CLEANER BRACKET 
    1. Install the air cleaner bracket with the bolt.

      Torque: 7.0 N*m (71 kgf*cm, 62 in.*lbf) 

    2. Engage the clamp.
  10. CONNECT INLET NO. 1 INVERTER COOLING HOSE 
    1. Connect the inlet No. 1 inverter cooling hose to the inverter with converter assembly and slide the clip to secure it.
      NOTE:

      To prevent foreign matter from entering the inverter with converter assembly and inverter cooling system, do not remove the pieces of cloth from the pipe and disconnected hose until installation.

      HINT: 

      • Make sure that the clip is positioned as shown in the illustration.
      • Make sure to align the alignment mark of the hose with the rib of the inverter with converter assembly.
      GTY821223Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Alignment Mark (Pink)
      *b Rib
      *c 2 to 6 mm (0.0787 to 0.236 in.)
      *d Up
      *e LH Side
  11. CONNECT NO. 1 INVERTER COOLING HOSE ASSEMBLY 
    1. Connect the outlet No. 1 inverter cooling hose to the inverter with converter assembly and slide the clip to secure it.
      NOTE:

      To prevent foreign matter from entering the inverter with converter assembly and inverter cooling system, do not remove the pieces of cloth from the pipe and disconnected hose until installation.

      HINT: 

      • Make sure that the clip is positioned as shown in the illustration.
      • Make sure to align the alignment mark of the hose with the rib of the inverter with converter assembly.
      GTY815911Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Alignment Mark (Light blue)
      *b Rib
      *c 2 to 6 mm (0.0787 to 0.236 in.)
  12. CONNECT ENGINE WIRE 
    WARNING:

    Wear insulated gloves.

    1. Engage the clamp and connect the engine wire to the inverter with converter assembly.
      GTY787024Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Temporarily install the nut.
      NOTE:

      To prevent the threads from being damaged, temporarily tighten the nut by hand.

    3. Fully tighten the nut.

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

    4. Engage the 2 claws to close the engine wire terminal cover.
    5. Connect the engine wire to the inverter with converter assembly with the bolt.
      GTY787031Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

    6. Connect the engine wire to the inverter with converter assembly with the bolt.
      GTY787039Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

  13. INSTALL WIRE HARNESS CLAMP BRACKET 
    1. Install the wire harness clamp bracket to the inverter with converter assembly with the nut.

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

  14. CONNECT HV AIR CONDITIONING WIRE 
    WARNING:

    Wear insulated gloves.

    1. Engage the clamp.
    2. Connect the HV air conditioning wire to the inverter with converter assembly and install the 2 bolts.
      GTY787037Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

      NOTE:
      • Do not allow any foreign matter or water to enter the inverter with converter assembly.
      • Do not touch the waterproof seal or terminals of the connector.
      • Do not damage the terminals, connector housing or inverter with converter assembly when connecting the connector.
  15. CONNECT FLOOR UNDER WIRE 
    WARNING:

    Wear insulated gloves.

    1. Engage the 2 clamps.
    2. Connect the HV floor under wire to the inverter with converter assembly and install the 2 bolts.

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

      NOTE:
      • Do not allow any foreign matter or water to enter the inverter with converter assembly.
      • Do not touch the waterproof seal or terminals of the connector.
      • Do not damage the terminals, connector housing or inverter with converter assembly when connecting the connector.
      GTY600528Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. CONNECT ENGINE WIRE 
    WARNING:

    Wear insulated gloves.

    NOTE:

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

    1. Engage the clamp to connect the engine wire.
    2. Install the 2 nuts.

      Torque: 9.5 N*m (97 kgf*cm, 84 in.*lbf) 

    3. Connect the 2 inverter with converter assembly connectors move the lock lever as shown in the illustration.
      GTY787088Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • 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.
      • Do not touch the waterproof seal or terminals of the connectors.
    4. Engage the 2 claws to connect the engine wire to the engine room relay block.
    5. Install the nut.

      Torque: 8.4 N*m (86 kgf*cm, 74 in.*lbf) 

    6. Engage the 2 claws to connect the engine wire to the engine room relay block.
    7. Connect the 3 connectors to the engine room relay block.
  17. INSTALL AIR CLEANER CASE SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 43 [10/2018 - 07/2022] Refer to PROCEDURE - Step 43 [07/2022 - ]

  18. INSTALL AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 1

  19. INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE 

    Refer to PROCEDURE - Step 3

  20. CONNECT TRANSMISSION CONTROL CABLE ASSEMBLY 
    1. Engage the 2 clamps.
    2. Install the bolt to connect the transmission control cable assembly.

      Torque: 9.5 N*m (97 kgf*cm, 84 in.*lbf) 

  21. INSTALL ECM 

    Refer to INSTALLATION [10/2018 - ]

  22. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 48 [10/2018 - 07/2022] Refer to PROCEDURE - Step 48 [07/2022 - ]

  23. INSTALL SERVICE PLUG GRIP 

    Refer to INSTALLATION [10/2018 - ]

  24. ADD COOLANT (for Inverter) 

    Refer to PROCEDURE - Step 3

  25. INSPECT FOR COOLANT LEAK (for Inverter) 

    See step  1

  26. INSTALL REAR ENGINE UNDER COVER LH 

    Refer to PROCEDURE - Step 5

  27. PERFORM RESOLVER LEARNING 

    Refer to UTILITY [10/2018 - ]

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