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Installation [11/2018 - ]: Procedure

  1. REPLACE LABEL 

    HINT: 

    This procedure is for when the No. 1 hydrogen tank assembly or No. 2 hydrogen tank assembly is replaced, and the contents of the labels applied to the fuel filler opening lid assembly and hood assembly are changed.

    1. Peel off the label cover film applied over the hydrogen tank pressure information label.
      GTY584251Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Fuel Filler Opening Lid Assembly *2 Hydrogen Tank Pressure Information Label
      *3 No. 1 Hydrogen Tank Assembly *4 No. 2 Hydrogen Tank Assembly
      *a Tape with DO NOT USE AFTER date recorded *b Location to record Tank Inspection Passed date
      *c Location to record DO NOT USE AFTER date - -
      NOTE:

      When peeling off the label cover film, if the hydrogen tank pressure information label is also peeled off, replace it with a new hydrogen tank pressure information label.

    2. Record the item onto new tape.
      Recorded Item Recorded Contents
      DO NOT USE AFTER date From the 2 hydrogen tank assemblies installed to the vehicle, use the Tank Inspection Passed date of whichever tank has an older date, and starting from a point 1 month before the Tank Inspection Passed date, record a month/year that is 15 years in the future.
      Example:
      If the Tank Inspection Passed dates of each hydrogen tank assembly are as follows:
      No. 1 Hydrogen Tank Assembly: 2014.3, No. 2 Hydrogen Tank Assembly: 2014.4
      The No. 1 Hydrogen Tank Assembly has an older date, so record the date as 2029.2
      NOTE:
      • Use the largest text size that can fit in the label width, and space it as compactly as possible.
      • When writing the text by hand, be sure to write the letters and numbers clearly and distinctly so that there can be no confusion.

      HINT: 

      When recording the items with the label printer, use black lettering on transparent tape.

      LABEL FONT, CARTRIDGE SIZE AND TAPE WIDTH

      Font Cartridge (mm (in.)) Tape Width (mm (in.))
      Gothic 6.0 (0.2362) 45 (1.7717)
    3. Apply the tape with item recorded to the hydrogen tank pressure information label.
    4. Apply new label cover film over the hydrogen tank pressure information label.
      NOTE:

      When applying the tape, avoid air bubbles as much as possible.

  2. INSTALL FRONT HYDROGEN TANK FRAME SPRING BOLT CUSHION 

    HINT: 

    This procedure is only performed when the front hydrogen tank frame spring bolt cushion is being replaced with a new one.

    1. Engage the 2 claws and install the front hydrogen tank frame spring bolt cushion to the front hydrogen tank frame sub-assembly LH and front hydrogen tank frame sub-assembly RH.

      HINT: 

      Use the same procedure to install the other front hydrogen tank frame spring bolt cushions.

  3. INSTALL REAR HYDROGEN TANK FRAME SPRING BOLT CUSHION 

    HINT: 

    This procedure is only performed when the rear hydrogen tank frame spring bolt cushion is being replaced with a new one.

    1. Engage the 2 clamps and install the rear hydrogen tank frame spring bolt cushion to the rear hydrogen tank frame sub-assembly.

      HINT: 

      Use the same procedure to install the other rear hydrogen tank frame spring bolt cushions.

  4. INSTALL FRONT HYDROGEN TANK FRAME SEAT 

    HINT: 

    This procedure is only performed when the front hydrogen tank frame seat is being replaced with a new one.

    1. Install the front hydrogen tank frame seat to the front hydrogen tank frame sub-assembly and front hydrogen tank frame sub-assembly RH.
      NOTE:

      Make sure the rear hydrogen tank frame seat is not damaged.

      HINT: 

      Use the same procedure to install the other front hydrogen tank frame seats.

  5. INSTALL REAR HYDROGEN TANK FRAME SEAT 

    HINT: 

    This procedure is only performed when the rear hydrogen tank frame seat is being replaced with a new one.

    1. Install the rear hydrogen tank frame seat to the rear hydrogen tank frame sub-assembly.
      NOTE:

      Make sure the rear hydrogen tank frame seat is not damaged.

      HINT: 

      Use the same procedure to install the other rear hydrogen tank frame seats.

  6. INSTALL FRONT HYDROGEN TANK FRAME SUB-ASSEMBLY RH 
    GTY556289Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a SST (Support No. 1)
    *b SST (Support No. 2)
    *c SST (Support No. 3)
    *d SST (Support No. 4)
    *e SST (Bolt)
    *f Pin

    HINT: 

    To avoid applying strain to the high pressure hydrogen piping, use the SST (hydrogen tank stand) to position the No. 1 hydrogen tank assembly and No. 2 hydrogen tank assembly.

    1. Loosen the SST (bolts) of each tank support type SST of the SST (hydrogen tank stand).
      • SST: 09403-62010 
        1. 09403-06010
        2. 09403-06020
        3. 09403-06030
        4. 09403-06040
        5. 09403-06080
    2. Insert the 2 pins of each tank support type SST of the SST (hydrogen tank stand) into the pin holes of the SST (hydrogen tank stand) main body, and tighten the SST (bolts).
    3. Set the front hydrogen tank frame sub-assembly RH to each tank support type SST.
      • SST: 09403-62010 
        1. 09403-06010
        2. 09403-06020
        3. 09403-06080
      NOTE:
      • Insert the pin of the SST (support No. 1) into the pin hole of the front hydrogen tank frame sub-assembly RH.
      • Align the edge of the front hydrogen tank frame sub-assembly RH with the groove of the SST (support No. 2).
      GTY577483Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a SST (Tank Belt Fixture)
      *b SST (Support No. 1)
      *c SST (Support No. 2)
      *d SST (Bolt)
      *e Pin
      *f Groove
    4. Using the SST (bolts), install each SST (tank belt fixture) and support the front hydrogen tank frame sub-assembly RH.
      • SST: 09403-62010 
        1. 09403-06100
        2. 09403-06110
  7. INSTALL FRONT HYDROGEN TANK FRAME SUB-ASSEMBLY LH 
    GTY588305Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a SST (Tank Belt Fixture)
    *b SST (Support No. 1)
    *c SST (Support No. 2)
    *d SST (Bolt)
    *e Pin
    *f Groove

    HINT: 

    To avoid applying strain to the high pressure hydrogen piping, use the SST (hydrogen tank stand) to position the No. 1 hydrogen tank assembly and No. 2 hydrogen tank assembly.

    1. Set the front hydrogen tank frame sub-assembly LH to each tank support type SST.
      • SST: 09403-62010 
        1. 09403-06010
        2. 09403-06020
        3. 09403-06080
      NOTE:
      • Insert the pin of the SST (support No. 1) into the pin hole of the front hydrogen tank frame sub-assembly LH.
      • Align the edge of the front hydrogen tank frame sub-assembly LH with the groove of the SST (support No. 2).
    2. Using the SST (bolts), install each SST (tank belt fixture) and support the front hydrogen tank frame sub-assembly LH.
      • SST: 09403-62010 
        1. 09403-06100
        2. 09403-06110
  8. INSTALL REAR HYDROGEN TANK FRAME SUB-ASSEMBLY 
    GTY570888Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a SST (Tank Belt Fixture)
    *b SST (Support No. 3)
    *c SST (Support No. 4)
    *d SST (Bolt)
    *e Pin
    *f Groove

    HINT: 

    To avoid applying strain to the high pressure hydrogen piping, use the SST (hydrogen tank stand) to position the No. 1 hydrogen tank assembly and No. 2 hydrogen tank assembly.

    1. Set the 2 rear hydrogen tank frame sub-assemblies to each tank support type SST.
      • SST: 09403-62010 
        1. 09403-06030
        2. 09403-06040
        3. 09403-06080
      NOTE:
      • Insert the pin of the SST (support No. 3) into the pin hole of the rear hydrogen tank frame sub-assembly.
      • Align the edge of the rear hydrogen tank frame sub-assembly with the groove of the SST (support No. 4).
    2. Using the SST (bolts), install each SST (tank belt fixture) and support the 2 rear hydrogen tank frame sub-assemblies.
      • SST: 09403-62010 
        1. 09403-06100
        2. 09403-06110
  9. INSTALL FRONT CENTER HYDROGEN TANK FRAME 
    1. Temporarily install the front center hydrogen tank frame to the front hydrogen tank frame sub-assembly LH and front hydrogen tank frame sub-assembly RH with the 4 bolts.
    2. Fully tighten the 4 bolts.

      Torque: 13 N*m (133 kgf*cm, 10 ft.*lbf) 

  10. INSTALL NO. 1 HYDROGEN TANK ASSEMBLY 
    GTY586988Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a SST (Support No. 5)
    *b SST (Nut)

    HINT: 

    To avoid applying strain to the high pressure hydrogen piping, use the SST (hydrogen tank stand) to position the No. 1 hydrogen tank assembly and No. 2 hydrogen tank assembly.

    1. Install the SST (support No. 5) with the SST (nuts).
      • SST: 09403-62010 
        1. 09403-06050
        2. 09403-06090
    2. As shown in the illustration, adjust the position of the No. 1 hydrogen tank assembly so that its valve edge is in the vertical direction.
      GTY543712Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Valve Edge
    3. Using the engine sling device and belt, hoist up the No. 1 hydrogen tank assembly.
      NOTE:

      Do not allow the No. 1 hydrogen tank assembly to fall.

    4. As shown in the illustration, slowly press the valve edge of the No. 1 hydrogen tank assembly against the SST (support No. 5), and set the No. 1 hydrogen tank assembly to the front hydrogen tank frame sub-assembly LH and front hydrogen tank frame sub-assembly RH.
      • SST: 09403-62010 
        1. 09403-06050
      NOTE:
      • To prevent the rubber sheet from being moved out of position, perform positioning with the No. 1 hydrogen tank assembly lifted up.
      • Make sure that there is no gap between the valve edge of the No. 1 hydrogen tank assembly and the SST (support No. 5).
      GTY539797Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Upper View
      *b Lower View
      *c Side View
      *d SST (Support No. 5)
      *e Make sure there is no gap
    5. Temporarily tighten the 2 front hydrogen tank band sub-assemblies to the front hydrogen tank frame sub-assembly LH and front hydrogen tank frame sub-assembly RH with the 2 bolts.
      NOTE:

      Make sure the hinge does not ride up on the detent.

      GTY571207Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hinge
      *b Detent
    6. Temporarily tighten the front hydrogen tank band sub-assembly with the 2 bolts, 2 front hydrogen tank spring bolt cups and 2 compression springs.
      • SST: 09403-62010 
        1. 09403-06020
      NOTE:
      • Set the front hydrogen tank band sub-assembly parallel with the front hydrogen tank frame sub-assembly LH and front hydrogen tank frame sub-assembly RH.
      • Make sure the compression spring does not ride up onto the bent flange of the front hydrogen tank frame sub-assembly LH or front hydrogen tank frame sub-assembly RH.
      • Install so that the edge of the front hydrogen tank spring bolt cup and the SST (support No. 2) are parallel.
      GTY578050Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Parallel
      *b Lower View
      *c SST (Support No. 2)
      *d Compression Spring
      *e Bent Flange
      *f Edge
    7. Fully tighten the 2 bolts (A) (hinge side).

      Torque: 50 N*m (510 kgf*cm, 37 ft.*lbf) 

      GTY588653Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a for LH Side
      *b for RH Side
      *c Hold
    8. Fully tighten the 2 bolts (B) (compression spring side).

      Torque: 50 N*m (510 kgf*cm, 37 ft.*lbf) 

      NOTE:
      • After tightening the LH side, tighten the RH side.
      • While holding the front hydrogen tank spring bolt cup, tighten the bolt.
    9. Check that there is no gap between the valve edge of the No. 1 hydrogen tank assembly and the SST (support No. 5).
      NOTE:

      If there is a gap, loosen the front hydrogen tank band sub-assembly and re-adjust the positioning of the No. 1 hydrogen tank assembly.

      GTY539797Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Upper View
      *b Lower View
      *c Side View
      *d SST (Support No. 5)
      *e Make sure there is no gap
      • SST: 09403-62010 
        1. 09403-06050
    10. Remove the SST (nuts) and SST (support No. 5).
      GTY586988Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a SST (Support No. 5)
      *b SST (Nut)
      • SST: 09403-62010 
        1. 09403-06050
        2. 09403-06090
  11. INSTALL NO. 2 HYDROGEN TANK ASSEMBLY 
    GTY596869Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a SST (Support No. 6)
    *b SST (Nut)

    HINT: 

    To avoid applying strain to the high pressure hydrogen piping, use the SST (hydrogen tank stand) to position the No. 1 hydrogen tank assembly and No. 2 hydrogen tank assembly.

    1. Install the SST (support No. 5) with the SST (nuts).
      • SST: 09403-62010 
        1. 09403-06060
        2. 09403-06090
    2. As shown in the illustration, adjust the position of the No. 2 hydrogen tank assembly so that its valve edge is in the vertical direction.
      GTY543714Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Valve Edge
    3. Using the engine sling device and belt, hoist up the No. 2 hydrogen tank assembly.
      NOTE:

      Do not allow the No. 2 hydrogen tank assembly to fall.

    4. As shown in the illustration, slowly press the valve edge of the No. 2 hydrogen tank assembly against the SST (support No. 6), and set the No. 2 hydrogen tank assembly to the 2 rear hydrogen tank frame sub-assemblies.
      • SST: 09403-62010 
        1. 09403-06060
      NOTE:
      • To prevent the rubber sheet from being moved out of position, perform positioning with the No. 2 hydrogen tank assembly lifted up.
      • Make sure that there is no gap between the valve edge of the No. 2 hydrogen tank assembly and the SST (support No. 6).
      GTY569756Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Upper View
      *b Lower View
      *c Side View
      *d SST (Support No. 6)
      *e Make sure there is no gap.
    5. Temporarily tighten the 2 rear hydrogen tank band sub-assemblies to the 2 rear hydrogen tank frame sub-assemblies with the 2 bolts.
      NOTE:

      Make sure the hinge does not ride up on the detent.

      GTY576497Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Hinge
      *b Detent
    6. Temporarily tighten the 2 rear hydrogen tank band sub-assemblies with the 2 bolts, 2 rear hydrogen tank spring bolt cups and 2 compression springs.
      • SST: 09403-62010 
        1. 09403-06040
      NOTE:
      • Set the rear hydrogen tank band sub-assembly parallel with the rear hydrogen tank frame sub-assembly.
      • Make sure the compression spring does not ride up onto the bent flange of the rear hydrogen tank frame sub-assembly.
      • Install so that the edge of the rear hydrogen tank spring bolt cup and the SST (support No. 4) are parallel.
      GTY553109Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Parallel
      *b Lower View
      *c SST (Support No. 4)
      *d Compression Spring
      *e Bent Flange
      *f Edge
    7. Fully tighten the bolt (A) (hinge side).

      Torque: 50 N*m (510 kgf*cm, 37 ft.*lbf) 

      GTY602354Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a for LH Side
      *b for RH Side
      *c Hold
    8. Fully tighten the bolt (B) (compression spring side).

      Torque: 50 N*m (510 kgf*cm, 37 ft.*lbf) 

      NOTE:
      • After tightening the LH side, tighten the RH side.
      • While holding the rear hydrogen tank spring bolt cup, tighten the bolt.
    9. Check that there is no gap between the valve edge of the No. 2 hydrogen tank assembly and the SST (support No. 5).
      • SST: 09403-62010 
        1. 09403-06060
      NOTE:

      If there is a gap, loosen the rear hydrogen tank band sub-assembly and re-adjust the positioning of the No. 2 hydrogen tank assembly.

      GTY569756Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Upper View
      *b Lower View
      *c Side View
      *d SST (Support No. 6)
      *e Make sure there is no gap.
    10. Remove the SST (nuts) and SST (support No. 6).
      GTY596869Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a SST (Support No. 6)
      *b SST (Nut)
      • SST: 09403-62010 
        1. 09403-06060
        2. 09403-06090
  12. INSTALL FUEL TUBE GROMMET 
    1. Engage the claw and install a new fuel tube grommet to the front hydrogen tank frame sub-assembly LH.
  13. TEMPORARILY TIGHTEN NO. 2 HYDROGEN TANK TUBE 
    NOTE:

    To prevent damage to seal portions or threaded portions, and to prevent openings from being contaminated by dust, metal fragments, etc., do not remove the protective caps of piping connection areas included with new parts until immediately before performing the procedure.

    1. Engage the clamp and install the No. 2 hydrogen tank tube to the fuel tube grommet.
    2. To prevent damage to seal portions or threaded portions, and to prevent openings from being contaminated by dust, metal fragments, etc., do not remove the protective tape from the seal portions, threaded portions, and openings of the No. 1 hydrogen tank assembly and hydrogen tank tube joint until immediately before performing the procedure.
      NOTE:

      When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

    3. To prevent damage to the seal portions and threaded portions, and to prevent foreign matter such as dust or metal fragments from entering the openings, do not remove the protective caps of the new No. 2 hydrogen tank tube until immediately before performing work.
      NOTE:

      When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

    4. Temporarily tighten the No. 2 hydrogen tank tube to the No. 1 hydrogen tank assembly and hydrogen tank tube joint with the 2 union nuts.
  14. TEMPORARILY TIGHTEN NO. 4 HYDROGEN TANK TUBE 
    NOTE:

    To prevent damage to seal portions or threaded portions, and to prevent openings from being contaminated by dust, metal fragments, etc., do not remove the protective caps of piping connection areas included with new parts until immediately before performing the procedure.

    1. Engage the clamp and install the No. 4 hydrogen tank tube to the fuel tube grommet.
    2. To prevent damage to seal portions or threaded portions, and to prevent openings from being contaminated by dust, metal fragments, etc., do not remove the protective tape from the seal portions, threaded portions, and openings of the No. 1 hydrogen tank assembly and hydrogen tank tube joint until immediately before performing the procedure.
      NOTE:

      When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

    3. To prevent damage to the seal portions and threaded portions, and to prevent foreign matter such as dust or metal fragments from entering the openings, do not remove the protective caps of the new No. 4 hydrogen tank tube until immediately before performing work.
      NOTE:

      When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

    4. Temporarily tighten the No. 4 hydrogen tank tube to the No. 1 hydrogen tank assembly and hydrogen tank tube joint with the 2 union nuts.
  15. FULLY TIGHTEN NO. 2 HYDROGEN TANK TUBE 
    1. Using a 17 mm union nut wrench, fully tighten the 2 union nuts.
      GTY546143Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 17 mm Union Nut Wrench Fulcrum Length
      *b Torque Wrench Fulcrum Length

      Specified tightening torque 

      Torque: 25 N*m (255 kgf*cm, 18 ft.*lbf) 

      NOTE:

      To prevent the tube from turning together, hold the tube in place while tightening the union nut.

      HINT: 

      • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

        Refer to PRECAUTION [06/2015 - ]

      • When using 17 mm union nut wrench (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 255 mm (10.0 in.)):

        22 N*m (224 kgf*cm, 16 ft.*lbf)

  16. FULLY TIGHTEN NO. 4 HYDROGEN TANK TUBE 
    1. Using a 17 mm union nut wrench, fully tighten the 2 union nuts.
      GTY551027Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 17 mm Union Nut Wrench Fulcrum Length
      *b Torque Wrench Fulcrum Length

      Specified tightening torque 

      Torque: 25 N*m (255 kgf*cm, 18 ft.*lbf) 

      NOTE:

      To prevent the tube from turning together, hold the tube in place while tightening the union nut.

      HINT: 

      • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

        Refer to PRECAUTION [06/2015 - ]

      • When using 17 mm union nut wrench (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 255 mm (10.0 in.)):

        22 N*m (224 kgf*cm, 16 ft.*lbf)

  17. TEMPORARILY TIGHTEN NO. 5 HYDROGEN TANK TUBE 
    NOTE:

    To prevent damage to seal portions or threaded portions, and to prevent openings from being contaminated by dust, metal fragments, etc., do not remove the protective caps of piping connection areas included with new parts until immediately before performing the procedure.

    1. To prevent damage to seal portions or threaded portions, and to prevent openings from being contaminated by dust, metal fragments, etc., do not remove the protective tape from the seal portions, threaded portions, and openings of the No. 2 hydrogen tank assembly and hydrogen tank tube joint until immediately before performing the procedure.
      NOTE:

      When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

    2. To prevent damage to the seal portions and threaded portions, and to prevent foreign matter such as dust or metal fragments from entering the openings, do not remove the protective caps of the new No. 5 hydrogen tank tube until immediately before performing work.
      NOTE:

      When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

    3. Temporarily tighten the No. 5 hydrogen tank tube to the No. 2 hydrogen tank assembly and hydrogen tank tube joint with the 2 union nuts.
  18. TEMPORARILY TIGHTEN NO. 3 HYDROGEN TANK TUBE 
    NOTE:

    To prevent damage to seal portions or threaded portions, and to prevent openings from being contaminated by dust, metal fragments, etc., do not remove the protective caps of piping connection areas included with new parts until immediately before performing the procedure.

    1. To prevent damage to seal portions or threaded portions, and to prevent openings from being contaminated by dust, metal fragments, etc., do not remove the protective tape from the seal portions, threaded portions, and openings of the No. 2 hydrogen tank assembly and hydrogen tank tube joint until immediately before performing the procedure.
      NOTE:

      When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

    2. To prevent damage to the seal portions and threaded portions, and to prevent foreign matter such as dust or metal fragments from entering the openings, do not remove the protective caps of the new No. 3 hydrogen tank tube until immediately before performing work.
      NOTE:

      When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

    3. Temporarily tighten the No. 3 hydrogen tank tube to the No. 2 hydrogen tank assembly and hydrogen tank tube joint with the 2 union nuts.
  19. TEMPORARILY TIGHTEN HYDROGEN TANK TUBE ASSEMBLY 
    NOTE:

    To prevent damage to seal portions or threaded portions, and to prevent openings from being contaminated by dust, metal fragments, etc., do not remove the protective caps of piping connection areas included with new parts until immediately before performing the procedure.

    1. To prevent damage to seal portions or threaded portions, and to prevent openings from being contaminated by dust, metal fragments, etc., do not remove the protective tape from the seal portions, threaded portions, and openings of the hydrogen tank tube joint until immediately before performing the procedure.
      NOTE:

      When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

    2. To prevent damage to the seal portions and threaded portions, and to prevent foreign matter such as dust or metal fragments from entering the openings, do not remove the protective caps of the new hydrogen tank tube assembly (hydrogen tank tube joint) until immediately before performing work.
      NOTE:

      When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

    3. Temporarily tighten the hydrogen tank tube assembly to the hydrogen tank tube joint with the union nut.
  20. INSTALL FUEL TUBE GROMMET 
    1. Engage the 2 clamps and install 2 new fuel tube grommets to the hydrogen tank tube assembly and the No. 3 hydrogen tank tube.
      NOTE:
      • Be careful not to damage or deform the high pressure hydrogen piping.
      • If the pipe protector material of the high pressure hydrogen piping is damaged so that the internal pipe itself becomes visible, replace the high pressure hydrogen piping with a new one.
  21. INSTALL NO. 1 FUEL TUBE CLAMP 
    1. Engage the 3 clamps and install a new No. 1 fuel tube clamp to the hydrogen tank tube assembly, No. 3 hydrogen tank tube and No. 5 hydrogen tank tube.
      NOTE:
      • Be careful not to damage or deform the high pressure hydrogen piping.
      • If the pipe protector material of the high pressure hydrogen piping is damaged so that the internal pipe itself becomes visible, replace the high pressure hydrogen piping with a new one.
  22. INSTALL HYDROGEN TANK TUBE CLAMP BRACKET 
    1. Install the hydrogen tank tube clamp bracket to the No. 1 fuel tube clamp.
      NOTE:
      • Be careful not to damage or deform the high pressure hydrogen piping.
      • If the pipe protector material of the high pressure hydrogen piping is damaged so that the internal pipe itself becomes visible, replace the high pressure hydrogen piping with a new one.
  23. FULLY TIGHTEN NO. 5 HYDROGEN TANK TUBE 
    1. Tightly insert a piece of cloth, etc. in the location shown in the illustration.
      GTY544434Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Cloth, etc.
      *b 17 mm Union Nut Wrench Fulcrum Length
      *c Torque Wrench Fulcrum Length

      HINT: 

      This is done to prevent the tube from rotating together when tightening the union nut, which would cause the clearance between the No. 5 hydrogen tank tube and the hydrogen supply regulator assembly to become smaller.

    2. Using a 17 mm union nut wrench, fully tighten the 2 union nuts.

      Specified tightening torque 

      Torque: 25 N*m (255 kgf*cm, 18 ft.*lbf) 

      NOTE:

      To prevent the tube from turning together, hold the tube in place while tightening the union nut.

      HINT: 

      • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

        Refer to PRECAUTION [06/2015 - ]

      • When using 17 mm union nut wrench (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 255 mm (10.0 in.)):

        22 N*m (224 kgf*cm, 16 ft.*lbf)

    3. Remove the cloth, etc.
  24. FULLY TIGHTEN NO. 3 HYDROGEN TANK TUBE 
    1. Tightly insert a piece of cloth, etc. in the location shown in the illustration.
      GTY594035Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Cloth, etc.
      *b 17 mm Union Nut Wrench Fulcrum Length
      *c Torque Wrench Fulcrum Length

      HINT: 

      This is done to prevent the tube from rotating together when tightening the union nut, which would cause the clearance between the No. 3 hydrogen tank tube and the No. 2 hydrogen tank assembly to become smaller, and to prevent misalignment of the pathway between the hydrogen tank tube assembly, No. 3 hydrogen tank tube and No. 5 hydrogen tank tube, which are held in place by the fuel tube grommet and No. 1 fuel tube clamp.

    2. Using a 17 mm union nut wrench, fully tighten the 2 union nuts.

      Specified tightening torque 

      Torque: 25 N*m (255 kgf*cm, 18 ft.*lbf) 

      NOTE:

      To prevent the tube from turning together, hold the tube in place while tightening the union nut.

      HINT: 

      • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

        Refer to PRECAUTION [06/2015 - ]

      • When using 17 mm union nut wrench (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 255 mm (10.0 in.)):

        22 N*m (224 kgf*cm, 16 ft.*lbf)

    3. Remove the cloth, etc.
  25. FULLY TIGHTEN HYDROGEN TANK TUBE ASSEMBLY 
    1. Using a 17 mm union nut wrench, fully tighten the union nut.

      Specified tightening torque 

      Torque: 25 N*m (255 kgf*cm, 18 ft.*lbf) 

      GTY553420Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 17 mm Union Nut Wrench Fulcrum Length
      *b Torque Wrench Fulcrum Length
      NOTE:

      To prevent the tube from turning together, hold the tube in place while tightening the union nut.

      HINT: 

      • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

        Refer to PRECAUTION [06/2015 - ]

      • When using 17 mm union nut wrench (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 255 mm (10.0 in.)):

        22 N*m (224 kgf*cm, 16 ft.*lbf)

  26. INSTALL WIRE HARNESS CLAMP 
    1. No. 1 Hydrogen Tank Assembly Side:
      1. Engage the clamp and install the wire harness clamp to the wire harness of the No. 1 hydrogen tank assembly and No. 4 hydrogen tank tube sub-assembly.
    2. No. 2 Hydrogen Tank Assembly Side:
      1. Engage the clamp and install the wire harness clamp to the wire harness of the No. 2 hydrogen tank assembly and hydrogen tank tube sub-assembly.
      2. Engage the clamp and connect the No. 2 hydrogen tank assembly connector to the hydrogen tank tube clamp bracket.
  27. INSTALL NO. 2 HYDROGEN SUPPLY TUBE SUB-ASSEMBLY 
    1. Apply a light coat of TOYOTA Genuine FC Grease to 2 new O-rings.
      GTY586406Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. To prevent contamination by foreign matter, remove the protective tape from the openings of the No. 2 hydrogen supply tube sub-assembly immediately before performing the procedure.
      NOTE:

      When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

    3. Install the 2 O-rings to the No. 2 hydrogen supply tube sub-assembly.
      NOTE:

      During installation, do not damage the O-ring.

    4. To prevent contamination by foreign matter, remove the protective tape from the openings of the hydrogen supply regulator assembly immediately before performing the procedure.
      NOTE:

      When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

    5. Install the No. 2 hydrogen supply tube sub-assembly to the hydrogen supply regulator assembly with the bolts.

      Torque: 8.5 N*m (87 kgf*cm, 75 in.*lbf) 

      NOTE:

      Make sure the O-ring and the piping connecting portion are not damaged and have no foreign matter adhering.

  28. INSTALL HYDROGEN TANK UNIT 
    1. Operate the engine lifter and slowly install the hydrogen tank unit to the vehicle.
      NOTE:

      Make sure the hydrogen tank assembly and high pressure hydrogen piping do not interfere with the vehicle body or surrounding components.

    2. Temporarily tighten the hydrogen tank unit to the vehicle with the 8 bolts.
    3. Fully tighten the 8 bolts.

      Torque: 85 N*m (867 kgf*cm, 63 ft.*lbf) 

    4. Remove the SST (bolts) and each SST (tank belt fixture).
      GTY551571Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a SST (Tank Belt Fixture)
      *b SST (Bolt)
      • SST: 09403-62010 
        1. 09403-06100
        2. 09403-06110
    5. Remove the SST (hydrogen tank stand).
      • SST: 09403-62010 
      GTY565029Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a SST (Hydrogen Tank Stand)
  29. CONNECT HYDROGEN TANK TUBE ASSEMBLY 
    1. To prevent damage to the seal portions and threaded portions, and to prevent foreign matter such as dust or metal fragments from entering the openings, do not remove the protective tape of the hydrogen inlet receptacle assembly until immediately before performing work.
      NOTE:

      When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

    2. To prevent damage to the seal portions and threaded portions, and to prevent foreign matter such as dust or metal fragments from entering the openings, do not remove the protective caps of the new hydrogen tank tube assembly (hydrogen inlet receptacle assembly) until immediately before performing work.
      NOTE:

      When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

    3. Temporarily tighten the hydrogen tank tube assembly to the hydrogen inlet receptacle assembly with the union nut.
    4. Connect the bracket of the hydrogen tank tube assembly to the vehicle with the bolt.

      Torque: 22 N*m (224 kgf*cm, 16 ft.*lbf) 

      NOTE:

      When tightening the bolt, to prevent the high pressure hydrogen piping from rotating together and being strained, hold the bracket portion of the hydrogen tank tube assembly in place by hand while performing the procedure.

    5. Using a 17 mm union nut wrench, fully tighten the union nut.

      Specified tightening torque 

      Torque: 25 N*m (255 kgf*cm, 18 ft.*lbf) 

      NOTE:

      Use an adjustable wrench to hold the adapter of the hydrogen inlet receptacle assembly while tightening the union nut.

      GTY565013Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Adapter
      *b Hold
      *c 17 mm Union Nut Wrench Fulcrum Length
      *d Torque Wrench Fulcrum Length

      HINT: 

      • Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.

        Refer to PRECAUTION [06/2015 - ]

      • When using 17 mm union nut wrench (fulcrum length of 30 mm (1.18 in.)) + torque wrench (fulcrum length of 255 mm (10.0 in.)):

        22 N*m (224 kgf*cm, 16 ft.*lbf)

  30. CONNECT HYDROGEN TANK TUBE CLAMP BRACKET 
    1. Connect the hydrogen tank tube clamp bracket to the vehicle with the bolt.

      Torque: 13 N*m (133 kgf*cm, 10 ft.*lbf) 

      NOTE:

      When tightening the bolt, to prevent the high pressure hydrogen piping from rotating together and being strained, hold the hydrogen tank tube clamp bracket in place by hand while performing the procedure.

  31. INSTALL WIRING HARNESS CLAMP BRACKET 
    1. Install the wire harness clamp bracket to the front hydrogen tank frame sub-assembly LH with the bolt.

      Torque: 12.5 N*m (127 kgf*cm, 9 ft.*lbf) 

    2. Connect the No. 2 hydrogen supply tube sub-assembly to the wire harness clamp bracket with the bolt.

      Torque: 8.5 N*m (87 kgf*cm, 75 in.*lbf) 

  32. CONNECT NO. 1 HYDROGEN SUPPLY TUBE SUB-ASSEMBLY 
    1. Apply a light coat of TOYOTA Genuine FC Grease to 2 new O-rings.
      GTY586406Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. To prevent contamination by foreign matter, remove the protective tape from the openings of the No. 1 hydrogen supply tube sub-assembly immediately before performing the procedure.
      NOTE:

      When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

    3. Install the 2 O-rings to the No. 1 hydrogen supply tube sub-assembly.
      NOTE:

      During installation, do not damage the O-ring.

    4. To prevent contamination by foreign matter, remove the protective tape from the openings of the No. 2 hydrogen supply tube sub-assembly immediately before performing the procedure.
      NOTE:

      When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

    5. Connect the No. 1 hydrogen supply tube sub-assembly to the No. 2 hydrogen supply tube sub-assembly with the bolt.

      Torque: 8.5 N*m (87 kgf*cm, 75 in.*lbf) 

      NOTE:

      Make sure the O-ring and the engagement portion are not damaged and have no foreign matter adhering.

  33. CONNECT NO. 2 HYDROGEN SUPPLY TUBE SUB-ASSEMBLY 
    1. Connect the No. 2 hydrogen supply tube sub-assembly to the vehicle with the 2 bolts in the sequence shown in the illustration.
      Fig 1: No. 2 Hydrogen Supply Tube Sub-Assembly Bolts Tightening Sequence
      GTY588350Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Temporarily Tighten

      Torque: 8.5 N*m (87 kgf*cm, 75 in.*lbf) 

  34. CONNECT NO. 3 FLOOR WIRE 
    1. Engage the 8 clamps and connect the No. 3 floor wire to the front center hydrogen tank frame and wire harness clamp bracket.
    2. Connect the 2 hydrogen tank pressure sensor connectors.
    3. Connect the height control sensor sub-assembly connector.
    4. Connect the hydrogen detector connector.
    5. Engage the clamp and connect the No. 3 floor wire to the hydrogen tank tube clamp bracket.
    6. Connect the No. 2 hydrogen tank assembly connector.
    7. Engage the clamp and connect the No. 1 hydrogen tank assembly connector to the wire harness clamp bracket.
    8. Connect the No. 1 hydrogen tank assembly connector.
  35. CONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL 

    Refer to PROCEDURE - Step 2

    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

    Refer to INITIALIZATION [11/2018 - ]

  36. INSTALL LUGGAGE TRIM SERVICE HOLE COVER 

    Refer to PROCEDURE - Step 3

  37. FIRST LEAK CHECK 

    HINT: 

    • The primary leak inspection is performed using nitrogen gas when hydrogen system components are replaced or installed/removed, after installing the hydrogen tank unit to the vehicle and connecting the hydrogen piping.
    • When performing primary leak inspection, perform it with the floor covers and rear wheel house plate removed, so that the hydrogen tank assemblies and hydrogen piping are visible.
    WARNING:
    • When performing the primary leak inspection, do not perform procedures without wearing protective glasses and gloves.
    • High pressure nitrogen gas could cause a serious accident.
    GTY586428Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:

    After performing the primary leak inspection and confirming that there are no leaks, perform secondary leak inspection by filling compressed hydrogen gas at a hydrogen station. When performing secondary leak inspection, the vehicle cannot be driven to the hydrogen station under its own power, so transport it using a car carrier, etc.

    1. Using an 8 mm socket hexagon wrench, apply the specified tightening torque to the adjustment bolt to make sure the manual valve of the No. 1 hydrogen tank assembly is closed.

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

      GTY560326Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Adjustment Bolt
      *b Manual Valve Closed
      NOTE:
      • The manual valve shuts off the pressure from the hydrogen tank assembly, so be careful not to damage the hexagonal portion.
      • If the hexagonal portion has been damaged, the No. 1 hydrogen tank assembly must be replaced.
      • To prevent nitrogen gas from flowing into the hydrogen tank assembly, do not open the manual valve until after the primary leak inspection is completed.
    2. Using an 8 mm socket hexagon wrench, apply the specified tightening torque to the adjustment bolt to make sure the manual valve of the No. 2 hydrogen tank assembly is closed.

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

      GTY571256Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Adjustment Bolt
      *b Manual Valve Closed
      NOTE:
      • The manual valve shuts off the pressure from the hydrogen tank assembly, so be careful not to damage the hexagonal portion.
      • If the hexagonal portion has been damaged, the No. 1 hydrogen tank assembly must be replaced.
      • To prevent nitrogen gas from flowing into the hydrogen tank assembly, do not open the manual valve until after the primary leak inspection is completed.
    3. Prepare the SST (10 MPa (102.0 kgf/cm2 , 1450 psi) leak inspection tool).
      1. Check that the injection valve and discharge valve of the SST (port assy) are closed.
        GTY555502Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a SST (Port Assy)
        *b Injection Valve closed condition
        *c Discharge Valve closed condition
        • SST: 09402-62010 
          1. 09402-06020
      2. Connect the SST (regulator assy) to a nitrogen cylinder.
        • SST: 09402-62010 
          1. 09402-06010
        GTY586668Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a SST (Regulator Assy)
        NOTE:
        • Wrap the threaded portion with seal tape.
        • Securely tighten so that nitrogen gas will not leak out.
    4. Connect the nitrogen cylinder to the hydrogen inlet receptacle assembly via the SST (regulator assy).
      GTY592545Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Nitrogen Cylinder *b SST (Regulator Assy)
      *c SST (Port Assy) - -
      • SST: 09402-62010 
        1. 09402-06010
        2. 09402-06020
      NOTE:
      • Leave the nitrogen regulator valve closed.
      • The internal volume from the cylinder to the nozzle should be 130 cc or less.
      • The smallest marking of the pressure system should be 0.2 MPa (2.0 kgf/cm2 , 29 psi) or less.
    5. Slowly open the nitrogen cylinder valve.
      GTY598549Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Open the Nitrogen Cylinder Valve
    6. Slowly open the injection valve of the SST (port assy).
      GTY556815Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a SST (Port Assy)
      Slowly Open
      • SST: 09402-62010 
        1. 09402-06020
    7. Slowly rotate the handle of the SST (regulator assy) in the clockwise direction to open the valve, and let the pressure rise to 10 MPa (102.0 kgf/cm2 , 1450 psi).
      • SST: 09402-62010 
        1. 09402-06010
      GTY599961Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a SST (Regulator Assy)
      Open the Nitrogen Cylinder Valve
      NOTE:
      • Raise the pressure to 10 MPa (102.0 kgf/cm2 , 1450 psi) over a period of 5 to 20 seconds.
      • If there is a hissing sound of nitrogen gas leaking out when the SST (regulator assy) valve is opened, close the SST (regulator assy) valve, and after determining the location of the leak, replace the leaking component with a new one.
      • Even when it seem like the leaking sound is only coming from one location, it may be drowning out leaking sounds from other locations, so make sure to perform leakage point identification for all connecting portions.
    8. Connect a battery charger to the auxiliary battery, and put the auxiliary battery into a charging state.
      GTY544871Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Auxiliary Battery
      *a Battery Charger

      HINT: 

      This is done to prevent the auxiliary battery from becoming discharged, as the tank shut valve of the hydrogen tank assembly will be forced to operate for 30 minutes.

    9. Using the Techstream, enter the following menus: Body Electrical / Power Source Control / Utility / Auto Power OFF Cancel

      Body Electrical > Power Source Control > Utility 

      Tester Display
      Auto Power OFF Cancel
    10. Open the tank shut valves of the No. 1 hydrogen tank assembly and No. 2 hydrogen tank assembly.
      NOTE:
      • If the Data List item "Medium-range Hydrogen Pressure (gauge)" decreases to below 0.6 MPa (6.1 kgf/cm2 , 87 psi) the tank shut valves of the No. 1 and No. 2 hydrogen tank assemblies will forcibly close.
      • If there is a hissing sound of nitrogen gas leaking out when the tank shut valves are opened, close both tank shut valves, and after determining the location of the leak, replace the leaking component with a new one.
      • Even when it seem like the leaking sound is only coming from one location, it may be drowning out leaking sounds from other locations, so make sure to perform leakage point identification for all connecting portions.
    11. If the tank shut valves of the No. 1 and No. 2 hydrogen tank assemblies do not open, open the tank shut valves again.
    12. When the tank shut valve has been opened, if the pressure has gone below 10 MPa (102.0 kgf/cm2 , 1450 psi), increase the pressure to 10 MPa (102.0 kgf/cm2 , 1450 psi).
    13. Close the nitrogen cylinder valve.
      GTY574519Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a SST (Regulator Assy)
      Close the Nitrogen Cylinder Valve
      Close the SST (Regulator Assy) Valve
    14. Rotate the handle of the SST (regulator assy) in the counterclockwise direction to close the valve.
      • SST: 09402-62010 
        1. 09402-06010
    15. After closing the nitrogen cylinder valve and the SST (regulator assy) valve, wait for 10 minutes to allow the pressure in the piping to stabilize.

      HINT: 

      When nitrogen has just been filled, the temperature inside the piping is increased, causing pressure to increase. Afterwards, when the temperature in the piping decreases, the pressure decreases. For this reason, pressure is not stable immediately after nitrogen filling.

    16. After checking that the pressure gauge has stabilized, wait an additional 30 minutes, and then check the pressure gauge.
      GTY556729Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK

      Pressure decrease is 0.2 MPa (2.0 kgf/cm2 , 29 psi) or less

      • When the pressure decrease is 0.2 MPa (2.0 kgf/cm2 , 29 psi) or less (Go to "When pressure decrease is 0.2 MPa (2.0 kgf/cm2 , 29 psi) or less")
      • When the pressure decrease is 0.2 MPa (2.0 kgf/cm2 , 29 psi) or higher (Go to "When pressure decrease is more than 0.2 MPa (2.0 kgf/cm2 , 29 psi)
    17. When pressure decrease is 0.2 MPa (2.0 kgf/cm2 , 29 psi) or less
      1. Slowly open the discharge valve of the SST (port assy) to depressurize the nitrogen gas.
        • SST: 09402-62010 
          1. 09402-06020
        GTY579295Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a SST (Port Assy)
        Open the Discharge Valve of the SST (Port Assy)
        NOTE:

        Keep your hands and face away from the discharge port.

      2. Slowly rotate the handle of the SST (regulator assy) a small amount in the clockwise direction to open the valve.
        • SST: 09402-62010 
          1. 09402-06010
        GTY599961Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a SST (Regulator Assy)
        Open the SST (Regulator Assy) Valve

        HINT: 

        This is done to reduce the pressure of the nitrogen gas between the nitrogen cylinder and SST (regulator assy).

      3. Close the injection valve of the SST (port assy).
        GTY558179Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a SST (Port Assy)
        Close the Injection Valve of the SST (Port Assy)
        • SST: 09402-62010 
          1. 09402-06020
      4. Close the discharge valve of the SST (port assy).
        GTY577430Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a SST (Port Assy)
        Close the Discharge Valve of the SST (Port Assy)
        • SST: 09402-62010 
          1. 09402-06020
      5. Apply paint marks to the hydrogen supply regulator union and the body of the hydrogen supply regulator assembly as shown in the illustration.
        GTY564827Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *1 Hydrogen Supply Regulator Union
        *a Body
        *b Paint Mark

        HINT: 

        When loosening the No. 1 hydrogen supply regulator plug, there is a possibility that the hydrogen supply regulator union could turn together with it and be loosened, so applying paint marks will enable judgment of whether the hydrogen supply regulator union has been loosened.

      6. Slowly loosen the No. 1 hydrogen supply regulator plug until the hissing sound of gas escaping can be heard, then stop loosening the No. 1 hydrogen supply regulator plug and wait for the sound to stop. Repeat this procedure multiple times until the sound stops occurring, in order to depressurize the compressed hydrogen gas from the medium pressure leak check port of the hydrogen supply regulator assembly.
        GTY601467Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        NOTE:

        When depressurizing the nitrogen gas, only loosen the No. 1 hydrogen supply regulator plug. Do not remove it.

      7. Remove the No. 1 hydrogen supply regulator plug from the hydrogen supply regulator union.
        NOTE:

        When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

      8. Remove the O-ring from the hydrogen supply regulator union.
        GTY556346Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      9. To prevent damage to the seal portions and threaded portions, and to prevent foreign matter such as dust or metal fragments from entering the openings, cover the seal portions, threaded portions, and openings of the hydrogen supply regulator union with protective tape.
        GTY573353Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Protective Tape
      10. Check that the hydrogen supply regulator union has not been loosened.
        GTY570540Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Correct
        *b Incorrect
        *c Paint Mark

        HINT: 

        If the hydrogen supply regulator union has been loosened, there is the possibility of a compressed hydrogen gas leak, so it is necessary to remove the hydrogen supply regulator union and replace the O-ring with a new one.

      11. Procedures for when the hydrogen supply regulator union has been loosened:
        1. Remove the hydrogen supply regulator union.
          NOTE:

          When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

          GTY598361Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        2. To prevent foreign matter such as dust or metal fragments from entering the openings, cover the seal portions, threaded portions, and openings of the hydrogen supply regulator union installation portion with protective tape.
          GTY586968Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
          *a Protective Tape
        3. Remove the O-ring from the hydrogen supply regulator union.
          GTY542388Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
          NOTE:

          Perform the procedure by hand. Do not use any tools.

        4. Clean and degrease the threaded portion of the hydrogen supply regulator union.
        5. To prevent the O-ring from being damaged during installation, apply protective tape as shown in the illustration.

          HINT: 

          Cover the hydrogen supply regulator union with protective tape so that the threaded portion and the hole cannot be seen.

          GTY597696Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
          *1 Hydrogen Supply Regulator Union
          *a Protective Tape
        6. Coat a new O-ring with TOYOTA Genuine FC Grease.
        7. Install the O-ring to the hydrogen supply regulator union.
          NOTE:
          • Make sure not to damage the O-ring.
          • Make sure the O-ring is not twisted.
          GTY542391Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        8. Remove the protective tape from the hydrogen supply regulator union.
          NOTE:

          When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

        9. Coat the O-ring and the threaded portion of the hydrogen supply regulator union with TOYOTA Genuine FC Grease.
        10. To prevent the hydrogen supply regulator union installation portion from being contaminated by dust, metal fragments, etc., do not remove the protective tape from it until immediately before performing the work.
          NOTE:

          When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

          GTY542429Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        11. Install the hydrogen supply regulator union.

          Torque

          41.5 N*m (423 kgf*cm, 31 ft.*lbf)

          NOTE:

          When installing the O-ring, make sure that it is not pinched.

      12. To prevent damage to the seal portions and threaded portions, and to prevent foreign matter such as dust or metal fragments from entering the openings, do not remove the protective tape covering the seal portions, threaded portions, and openings of the hydrogen supply regulator union until immediately before performing work.
        NOTE:

        When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

      13. Apply TOYOTA Genuine FC Grease to a new O-ring and to the threaded portion of the hydrogen supply regulator union.
        GTY556344Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      14. Install the O-ring to the hydrogen supply regulator union.
        NOTE:

        During installation, make sure not to damage the O-ring.

      15. Install the No. 1 hydrogen supply regulator plug to the hydrogen supply regulator union.

        Torque: 25 N*m (255 kgf*cm, 18 ft.*lbf) 

        GTY545586Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Hexagonal Portion
      16. Close the tank shut valve of the No. 1 hydrogen tank assembly and No. 2 hydrogen tank assembly.
      17. Disconnect the nitrogen regulator from the hydrogen inlet receptacle assembly.
      18. Using an 8 mm socket hexagon wrench, rotate the adjustment bolt counterclockwise, and open the No. 1 hydrogen tank assembly manual valve.
        GTY587036Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Adjustment Bolt
        *b Manual Valve Closed
        *c Manual Valve Open
        *d Counterclockwise
        NOTE:
        • The manual valve shuts off the pressure from the hydrogen tank assembly, so be careful not to damage the hexagonal portion.
        • If the hexagonal portion is damaged, it will be impossible to operate the adjustment bolt.
        • Do not rotate the adjustment bolt more than 4 rotations.
        • Rotating the adjustment bolt more than 4 rotations could damage the manual valve.
        • If the manual valve is damaged, it will be necessary to replace the No. 1 hydrogen tank assembly.
        • Before opening the manual valve, check that the nitrogen gas contained in the hydrogen piping has been depressurized.

        HINT: 

        When the manual valve is opened, the protrusion of the adjustment bolt is 3.5 mm (0.138 in.) or less.

        GTY575516Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Adjustment Bolt
        *b Protrusion
      19. Using an 8 mm socket hexagon wrench, rotate the adjustment bolt counterclockwise, and open the No. 2 hydrogen tank assembly manual valve.
        GTY570054Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Adjustment Bolt
        *b Manual Valve Closed
        *c Manual Valve Open
        *d Counterclockwise
        NOTE:
        • The manual valve shuts off the pressure from the hydrogen tank assembly, so be careful not to damage the hexagonal portion.
        • If the hexagonal portion is damaged, it will be impossible to operate the adjustment bolt.
        • Do not rotate the adjustment bolt more than 4 rotations.
        • Rotating the adjustment bolt more than 4 rotations could damage the manual valve.
        • If the manual valve is damaged, it will be necessary to replace the No. 2 hydrogen tank assembly.

        HINT: 

        When the manual valve is opened, the protrusion of the adjustment bolt is 3.5 mm (0.138 in.) or less.

        GTY575516Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Adjustment Bolt
        *b Protrusion
    18. When pressure decrease is more than 0.2 MPa (2.0 kgf/cm2 , 29 psi)
      1. Using soapy water, check the connection points of each component on the vehicle side and on the nitrogen regulator side to determine the locations of the leaks.

        <Vehicle-side leak check locations> 

        GTY586590Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        <Nitrogen regulator-side leak check locations> 

        GTY574728Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Slowly open the discharge valve of the SST (port assy) to depressurize the nitrogen gas.
        • SST: 09402-62010 
          1. 09402-06020
        GTY579295Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a SST (Port Assy)
        Open the Discharge Valve of the SST (Port Assy)
        NOTE:

        Keep your hands and face away from the discharge port.

      3. Slowly rotate the handle of the SST (regulator assy) a small amount in the clockwise direction to open the valve.
        • SST: 09402-62010 
          1. 09402-06010

        HINT: 

        This is done to reduce the pressure of the nitrogen gas between the nitrogen cylinder and SST (regulator assy).

        GTY599961Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a SST (Regulator Assy)
        Open the SST (Regulator Assy) Valve
      4. Close the injection valve of the SST (port assy).
        • SST: 09402-62010 
          1. 09402-06020
        GTY558179Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a SST (Port Assy)
        Close the Injection Valve of the SST (Port Assy)
      5. Close the discharge valve of the SST (port assy).
        • SST: 09402-62010 
          1. 09402-06020
        GTY577430Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a SST (Port Assy)
        Close the Discharge Valve of the SST (Port Assy)
      6. Apply paint marks to the hydrogen supply regulator union and the body of the hydrogen supply regulator assembly as shown in the illustration.
        GTY564827Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *1 Hydrogen Supply Regulator Union
        *a Body
        *b Paint Mark

        HINT: 

        When loosening the No. 1 hydrogen supply regulator plug, there is a possibility that the hydrogen supply regulator union could turn together with it and be loosened, so applying paint marks will enable judgment of whether the hydrogen supply regulator union has been loosened.

      7. Slowly loosen the No. 1 hydrogen supply regulator plug until the hissing sound of gas escaping can be heard, then stop loosening the No. 1 hydrogen supply regulator plug and wait for the sound to stop. Repeat this procedure multiple times until the sound stops occurring, in order to depressurize the compressed hydrogen gas from the medium pressure leak check port of the hydrogen supply regulator assembly.
        GTY601467Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        NOTE:

        When depressurizing the nitrogen gas, only loosen the No. 1 hydrogen supply regulator plug. Do not remove it.

      8. Remove the No. 1 hydrogen supply regulator plug from the hydrogen supply regulator union.
        NOTE:

        When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

      9. Remove the O-ring from the hydrogen supply regulator union.
        GTY556346Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      10. To prevent damage to the seal portions and threaded portions, and to prevent foreign matter such as dust or metal fragments from entering the openings, cover the seal portions, threaded portions, and openings of the hydrogen supply regulator union with protective tape.
        GTY573353Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Protective Tape
      11. Check that the hydrogen supply regulator union has not been loosened.
        GTY570540Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Correct
        *b Incorrect
        *c Paint Mark

        HINT: 

        If the hydrogen supply regulator union has been loosened, there is the possibility of a compressed hydrogen gas leak, so it is necessary to remove the hydrogen supply regulator union and replace the O-ring with a new one.

      12. Procedures for when the hydrogen supply regulator union has been loosened:
        1. Remove the hydrogen supply regulator union.
          NOTE:

          When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

          GTY598361Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        2. To prevent foreign matter such as dust or metal fragments from entering the openings, cover the seal portions, threaded portions, and openings of the hydrogen supply regulator union installation portion with protective tape.
          GTY586968Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
          *a Protective Tape
        3. Remove the O-ring from the hydrogen supply regulator union.
          GTY542388Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
          NOTE:

          Perform the procedure by hand. Do not use any tools.

        4. Clean and degrease the threaded portion of the hydrogen supply regulator union.
        5. To prevent the O-ring from being damaged during installation, apply protective tape as shown in the illustration.

          HINT: 

          Cover the hydrogen supply regulator union with protective tape so that the threaded portion and the hole cannot be seen.

          GTY597696Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
          *1 Hydrogen Supply Regulator Union
          *a Protective Tape
        6. Coat a new O-ring with TOYOTA Genuine FC Grease.
        7. Install the O-ring to the hydrogen supply regulator union.
          NOTE:
          • Make sure not to damage the O-ring.
          • Make sure the O-ring is not twisted.
          GTY542391Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        8. Remove the protective tape from the hydrogen supply regulator union.
          NOTE:

          When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

        9. Coat the O-ring and the threaded portion of the hydrogen supply regulator union with TOYOTA Genuine FC Grease.
        10. To prevent the hydrogen supply regulator union installation portion from being contaminated by dust, metal fragments, etc., do not remove the protective tape from it until immediately before performing the work.
          NOTE:

          When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

          GTY542429Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        11. Install the hydrogen supply regulator union.

          Torque

          41.5 N*m (423 kgf*cm, 31 ft.*lbf)

          NOTE:

          When installing the O-ring, make sure that it is not pinched.

      13. To prevent damage to the seal portions and threaded portions, and to prevent foreign matter such as dust or metal fragments from entering the openings, do not remove the protective tape covering the seal portions, threaded portions, and openings of the hydrogen supply regulator union until immediately before performing work.
        NOTE:

        When frost has formed on the hydrogen tank assembly or piping, water droplets may be formed when the frost begins to melt. If water droplets enter the tank or piping, it could result in blockage of the hydrogen piping, so do not allow water droplets to enter the tank or piping.

      14. Apply TOYOTA Genuine FC Grease to a new O-ring and to the threaded portion of the hydrogen supply regulator union.
        GTY556344Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      15. Install the O-ring to the hydrogen supply regulator union.
        NOTE:

        During installation, make sure not to damage the O-ring.

      16. Install the No. 1 hydrogen supply regulator plug to the hydrogen supply regulator union.

        Torque: 25 N*m (255 kgf*cm, 18 ft.*lbf) 

        GTY554120Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      17. Close the tank shut valve of the No. 1 hydrogen tank assembly and No. 2 hydrogen tank assembly.
      18. Disconnect the nitrogen regulator from the hydrogen inlet receptacle assembly.
      19. Remove the hydrogen tank unit from the vehicle, and replace the leaking component with a new one.
      20. After replacing the leaking component with a new one, perform primary leak inspection again.
  38. CONNECT NO. 3 PARKING BRAKE CABLE ASSEMBLY 
    1. Connect the No. 3 parking brake cable assembly to the vehicle with the 2 bolts.

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

  39. CONNECT NO. 2 PARKING BRAKE CABLE ASSEMBLY 
    1. Connect the No. 2 parking brake cable assembly to the vehicle with the 3 bolts.

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

  40. INSTALL REAR AXLE BEAM ASSEMBLY 

    Refer to INSTALLATION [11/2018 - ]

  41. INSTALL NO. 2 FC EXHAUST PIPE 

    Refer to PROCEDURE - Step 3

  42. INSTALL NO. 3 FC EXHAUST PIPE 

    Refer to PROCEDURE - Step 4

  43. INSTALL FC EXHAUST TAIL PIPE ASSEMBLY 

    Refer to PROCEDURE - Step 5

  44. SECOND LEAK CHECK 
    NOTE:
    • Secondary leak inspection is performed after primary leak inspection has found no leaks, and filling with compressed hydrogen gas has been performed.
    • When performing secondary leak inspection, the vehicle cannot be driven to the hydrogen station under its own power, so transport it using a car carrier, etc.
    1. At the hydrogen station, fill the tanks completely with compressed hydrogen gas.
    2. Turn the power switch to on (READY), check that the READY indicator in the combination meter is illuminated, and then turn the power switch off.

      HINT: 

      This is done to apply hydrogen gas pressure to the hydrogen gas piping.

    3. Blow compressed air around the underside of the vehicle.
      GTY601758Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      To enable accurate detection of hydrogen gas leaks from the piping, blow compressed air from the front of the vehicle towards the rear.

    4. If there are water droplets, etc. adhering to any of the measurement locations, wipe them away before performing the procedures.
      NOTE:

      If measurements are performed while water droplets, etc. are adhered, the hydrogen gas detector may be damaged.

    5. Using SST and a hydrogen gas detector, measure each of the measurement locations for approximately 10 continuous seconds per location.
      • SST: 09401-62010 
      NOTE:
      • To perform the measurement, hold the tip of the hydrogen gas detector as shown in the illustration (*c), in contact with a single location from any one of the directions shown.

        <Hydrogen Gas Detector Contact Location and Direction> 

        GTY571343Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Hydrogen Gas Detector
        *b Side View
        *c Cutaway View
      • Hold the tip in light contact with the location so that the tip does not deform.

      HINT: 

      • Immediately after the measurement starts, the measured value may be unstable.
      • If the measured value is outside of the specification, remove the hydrogen tank unit from the vehicle and replace the leaking component with a new one, and perform primary and secondary leak inspection again.

      <Measurement Locations> 

      GTY555752Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Measurement Location and Direction - -
      Illustration Item Measurement Location Measurement Method Specified Value
      A Connection between FC Stack Assembly and No. 1 Hydrogen Supply Tube Sub-assembly Measure the area near the piping, connecting portion, or sensor connecting portion. 300 ppm or less
      B Connection between No. 1 Hydrogen Supply Tube Sub-assembly and No. 2 Hydrogen Supply Tube Sub-assembly
      C Connection between No. 1 Hydrogen Tank Assembly and No. 4 Hydrogen Tank Tube
      D Connection between No. 1 Hydrogen Tank Assembly and No. 2 Hydrogen Tank Tube
      E Connection between Hydrogen Supply Regulator Assembly and No. 2 Hydrogen Supply Tube Sub-assembly
      F Hydrogen Tank Tube Joint (for Inlet Side), installation location of Hydrogen Tank Pressure Sensor
      G Connection between Hydrogen Tank Tube Joint (for Inlet Side) and No. 3 Hydrogen Tank Tube
      H Connection between Hydrogen Tank Tube Joint (for Inlet Side) and Hydrogen Tank Tube Assembly
      I Connection between Hydrogen Tank Tube Joint (for Inlet Side) and No. 2 Hydrogen Tank Tube
      J Hydrogen Tank Tube Joint (for Outlet Side), installation location of Hydrogen Tank Pressure Sensor
      K Connection between Hydrogen Tank Tube Joint (for Outlet Side) and No. 5 Hydrogen Tank Tube
      L Connection between Hydrogen Tank Tube Joint (for Outlet Side) and No. 4 Hydrogen Tank Tube
      M Connection between Hydrogen Tank Tube Joint (for Outlet Side) and No. 6 Hydrogen Tank Tube
      N Medium Pressure Port of Hydrogen Supply Regulator Assembly
      *1
      O Connection between Hydrogen Supply Regulator Assembly and No. 6 Hydrogen Tank Tube
      P Connection between No. 2 Hydrogen Tank Assembly and No. 5 Hydrogen Tank Tube
      Q Connection between No. 2 Hydrogen Tank Assembly and No. 3 Hydrogen Tank Tube
      R Connection between Hydrogen Inlet Receptacle Assembly and Hydrogen Tank Tube Assembly
      *2
      1. *1: If the value is not as specified, replace the O-ring of the medium pressure port.
      2. *2: With the rear wheel house liner LH removed, perform measurement from the underside of the vehicle.
  45. INSTALL REAR WHEEL HOUSE LINER LH 

    See step  34

  46. INSTALL REAR BUMPER SIDE SEAL LH 

    Refer to PROCEDURE - Step 2

  47. INSTALL REAR WHEEL HOUSE FRONT PLATE LH 

    See step  36

  48. INSTALL NO. 1 FLOOR UNDER COVER 

    Refer to PROCEDURE - Step 6

  49. INSTALL NO. 2 FLOOR UNDER COVER 

    Refer to PROCEDURE - Step 7

  50. INSTALL FRONT FLOOR CENTER COVER RH 

    Refer to PROCEDURE - Step 8

  51. INSTALL FRONT FLOOR CENTER COVER LH 

    Refer to PROCEDURE - Step 9

  52. INSTALL FRONT FLOOR COVER RH 

    Refer to PROCEDURE - Step 10

  53. INSTALL FRONT FLOOR COVER LH 

    Refer to PROCEDURE - Step 11

  54. INSTALL NO. 2 MOTOR UNDER COVER 

    Refer to PROCEDURE - Step 12

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