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Home >> Toyota >> 2021 >> Mirai XLE >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Intake / Exhaust System - Service Information >> Air Compressor >> Removal [11/2021 - 12/2022] >> Procedure

Removal [11/2021 - 12/2022]: Procedure

  1. CAUTIONS FOR HIGH VOLTAGE SYSTEM COMPONENTS 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 1
  2. CAUTIONS FOR COOLANT (TOYOTA GENUINE FC STACK COOLANT (Pre-mixed)) 

    Refer to PROCEDURE - Step 1

  3. CAUTIONS FOR INTAKE SYSTEM COMPONENTS 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:
    • If the intake passages are contaminated with foreign matter such as metal fragments or resin fragments, the FC air compressor and FC stack could be damaged as a result.
    • When intake system components have been removed, protect the openings of the removed intake system components, and the components they were connected to, from foreign matter contamination by covering them with plastic bags.
    • Before installing intake system components, check that no foreign matter has entered through the openings.
    • When intake system components have been removed, if the rubber parts of connecting portions are stuck, or the wiring is damaged, etc., replace the affected components with new ones.
    • When connecting the hose of the intake system, do not use any lubricants such as grease or oil.
  4. PRECAUTION 
    NOTE:

    After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal.

    Refer to BEFORE DISCONNECTING BATTERY [11/2021 - 12/2022]

  5. REMOVE UPPER RADIATOR SUPPORT SEAL 

    Refer to PROCEDURE - Step 5

  6. REMOVE RADIATOR COVER PLATE 

    Refer to PROCEDURE - Step 6

  7. REMOVE LOWER RADIATOR AIR DEFLECTOR 

    Refer to PROCEDURE - Step 7

  8. REMOVE FC STACK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 8

  9. REMOVE FRONT COMPARTMENT UNDER COVER 

    Refer to PROCEDURE - Step 18

  10. REMOVE FRONT LOWER SUSPENSION MEMBER PROTECTOR 

    Refer to PROCEDURE - Step 19

  11. REMOVE FRONT COMPARTMENT UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 20

  12. REMOVE REAR NO. 4 FLOOR BOARD SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 2

  13. PRECAUTION 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PRECAUTION [11/2020 - ]
  14. REMOVE SERVICE PLUG GRIP 

    Refer to REMOVAL [11/2021 - 12/2022]

  15. DISCONNECT FC CONVERTER POWER OUTLET CABLE (INVERTER WITH CONVERTER ASSEMBLY) 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 10
  16. REMOVE CONNECTOR COVER ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 11
  17. CHECK TERMINAL VOLTAGE 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 12
  18. INSTALL CONNECTOR COVER ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 13
  19. DRAIN COOLANT (TOYOTA GENUINE FC STACK COOLANT (Pre-mixed)) 

    Refer to PROCEDURE - Step 6

  20. DRAIN COOLANT (for Inverter) 

    Refer to PROCEDURE - Step 5

  21. INSTALL ENGINE SUPPORT BRIDGE 

    Refer to REMOVAL [11/2021 - 12/2022]

  22. REMOVE FRONT COMPARTMENT SIDE COVER LH 

    Refer to PROCEDURE - Step 18

  23. REMOVE FRONT COMPARTMENT SIDE COVER RH 
    1. Use the same procedure as for the LH side.
  24. DISCONNECT NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 9
  25. DISCONNECT WIRE HARNESS CLAMP BRACKET 

    Refer to PROCEDURE - Step 21

  26. REMOVE FRONT FRAME ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 22
  27. INSTALL HOLDING BAR 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 23
  28. REMOVE INTERCOOLER WITH SENSOR ASSEMBLY 

    Refer to REMOVAL [11/2020 - ] 

  29. REMOVE AIR CLEANER HOSE ASSEMBLY 
    1. GTY1003076Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. GTY1003092Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. To prevent contamination by foreign matter or water droplets, cover the connecting portions of the air cleaner hose assembly and FC air compressor with motor assembly with plastic bags.
  30. DISCONNECT NO. 15 FC INVERTER COOLING HOSE 
    1. GTY1003073Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. GTY1003706Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. To prevent contamination by foreign matter or water droplets, cover the connecting portions of the No. 15 FC inverter cooling hose and FC air compressor with motor assembly with plastic bags.
  31. DISCONNECT NO. 13 FC INVERTER COOLING HOSE 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 74
  32. DISCONNECT NO. 1 AIR COMPRESSOR BREATHER HOSE 
    1. GTY1003068Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. GTY1003518Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. To prevent contamination by foreign matter or water droplets, cover the connecting portions of the FC air compressor breather hose and FC air compressor with motor assembly with plastic bags.
  33. DISCONNECT WIRE HARNESS 
    1. GTY1003066Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  34. DISCONNECT FC AIR COMPRESSOR MOTOR CABLE ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    WARNING:

    Wear insulated gloves.

    NOTE:
    • Do not touch the rubber seal of the inverter terminal cover.
    • The inverter terminal cover has an interlock connector, so pull it up perpendicularly.
    • Do not allow foreign matter or water droplets to enter into the inverter with converter assembly.
    1. GTY1003109Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. GTY1004164Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. To prevent contamination by foreign matter or water droplets, cover the opening of the inverter with converter assembly with protective tape.
  35. REMOVE FC AIR COMPRESSOR WITH MOTOR ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    WARNING:
    • Be sure to perform this procedure with several people as the FC air compressor with motor assembly is very heavy.
    • Hold the FC air compressor with motor assembly so that it does not tilt or fall.
    1. GTY1004225Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Support the FC air compressor with motor assembly with a transmission jack.
      2. Remove the 5 bolts, FC air compressor with motor assembly and FC air compressor bracket from the FC stack frame assembly.
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