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Home >> Lexus >> 2020 >> LS 500h AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating / Air Conditioning System - Service Information (3 Of 4) >> Condenser >> Installation [10/2023 - ] >> Procedure

Installation [10/2023 - ]: Procedure

  1. INSTALL COOLER CONDENSER ASSEMBLY 
    1. Install the radiator assembly (for inverter coolant) to the cooler condenser assembly with the 2 bolts.
      GTY833982Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 9.0 N.m (92 kgf/cm, 80 in.lbf) 

    2. Insert the cooler condenser assembly and radiator assembly (for inverter coolant) into the vehicle and into the guide.
      NOTE:

      When inserting the cooler condenser assembly and radiator assembly (for inverter coolant), do not damage the cooler condenser assembly, radiator assembly (for inverter coolant) and radiator assembly.

      GTY793017Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction

      HINT: 

      If the cooler condenser assembly is replaced with a new one, add compressor oil to the new cooler condenser assembly.

      Capacity

      40 cc (1.35 fl.oz)

      Compressor Oil

      ND-OIL 11 or equivalent

    3. Attach the claw to install the cooler condenser assembly with radiator assembly (for inverter coolant).
      GTY814618Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. CONNECT DISCHARGE HOSE SUB-ASSEMBLY 
    1. Remove the vinyl tape from the discharge hose sub-assembly and the connecting part of the cooler condenser assembly.
    2. Sufficiently apply compressor oil to a new O-ring and the fitting surface of the hose joint.

      Compressor Oil

      ND-OIL 11 or equivalent

      NOTE:

      Do not use any compressor oil other than ND-OIL 11 or equivalent. If any compressor oil other than ND-OIL 11 or equivalent is used, compressor motor insulation performance may decrease, resulting in leakage of electric power.

    3. Install the O-ring to the discharge hose sub-assembly.
      GTY805780Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Keep the O-rings and O-ring fitting surfaces free of foreign matter.

    4. Connect the discharge hose sub-assembly to the cooler condenser assembly with the bolt.

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

      NOTE:
      • Do not apply excessive force to the discharge hose sub-assembly.
      • Make sure not to cut the O-ring while installing it. (Cut O-rings cannot be installed)
  3. CONNECT LIQUID TUBE SUB-ASSEMBLY A 
    1. Remove the vinyl tape from the liquid tube sub-assembly A and the connecting part of the cooler condenser assembly.
    2. Sufficiently apply compressor oil to a new O-ring and the fitting surface of the tube joint.

      Compressor Oil

      ND-OIL 11 or equivalent

      NOTE:

      Do not use any compressor oil other than ND-OIL 11 or equivalent. If any compressor oil other than ND-OIL 11 or equivalent is used, compressor motor insulation performance may decrease, resulting in leakage of electric power.

    3. Install the O-ring to the liquid tube sub-assembly A.
      GTY814620Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      Keep the O-rings and O-ring fitting surfaces free of foreign matter.

    4. Connect the liquid tube sub-assembly A and No. 1 cooler bracket to the cooler condenser assembly with the 2 bolts.

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

      NOTE:
      • Do not apply excessive force to the liquid tube sub-assembly A.
      • Make sure not to cut the O-ring while installing it. (Cut O-rings cannot be installed)
  4. CONNECT NO. 3 INVERTER COOLING HOSE 
    1. Connect the No. 3 inverter cooling hose with its marking aligned with the positioning rib as shown in the illustration and install the hose clips within the range shown in the illustration.
      NOTE:
      • Do not apply excessive force to the radiator assembly (for inverter coolant) or No. 3 inverter cooling hose.
      • Make sure the hose is securely inserted to the stopper. However, If the end of the hose is cut diagonally, it is acceptable for the entire circumference of the tip to not contact the stopper.
      GTY812925Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a View A *b No. 3 Inverter Cooling Hose Marking (Yellow)
      *c Hose Clip Installation Angle (120°) *d No. 3 Inverter Cooling Hose Marking (Yellow) Rotational Direction Aligning Position
      *e Radiator Assembly (for Inverter Coolant) Rib *f OK
      *g NG *h No. 3 Inverter Cooling Hose Marking (Yellow) and Hose Clip Axial Direction Aligning Position
      *i Contact Position *j No. 3 Inverter Cooling Hose End
      *k Hose Clip Installation Range (2 to 7 mm (0.0787 to 0.276 in.)) - -
      No. 3 Inverter Cooling Hose Marking (Yellow) Maximum Leeway - -
  5. CONNECT NO. 2 INVERTER COOLING HOSE 
    1. Connect the No. 2 inverter cooling hose with its marking aligned with the positioning rib as shown in the illustration and install the hose clips within the range shown in the illustration.
      NOTE:
      • Do not apply excessive force to the radiator assembly (for inverter coolant) or No. 2 inverter cooling hose.
      • Make sure the hose is securely inserted to the stopper. However, If the end of the hose is cut diagonally, it is acceptable for the entire circumference of the tip to not contact the stopper.
      GTY833529Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a View A *b No. 2 Inverter Cooling Hose Marking (Yellow)
      *c Hose Clip Installation Angle (120°) *d No. 2 Inverter Cooling Hose Marking (Yellow) Rotational Direction Aligning Position
      *e Radiator Assembly (for Inverter Coolant) Rib *f OK
      *g NG *h No. 2 Inverter Cooling Hose Marking (Yellow) and Hose Clip Axial Direction Aligning Position
      *i Contact Position *j No. 2 Inverter Cooling Hose End
      *k Hose Clip Installation Range (2 to 7 mm (0.0787 to 0.276 in.)) - -
      No. 2 Inverter Cooling Hose Marking (Yellow) Maximum Leeway - -
  6. INSTALL UPPER RADIATOR SUPPORT SUB-ASSEMBLY 
    1. GTY814622Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Attach the clamp.

    2. Attach the clamp.
      GTY835941Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Attach the upper radiator support sub-assembly to the 2 sub-radiator support cushions and install the upper radiator support sub-assembly with the 5 bolts as shown in the illustration.

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

      GTY829009Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Bolt
      Sub-Radiator Support Cushion
      Install in this Direction
      NOTE:

      When installing the upper radiator support sub-assembly, do not damage the cooler condenser assembly, radiator assembly (for inverter coolant) and radiator assembly.

    4. Attach the clamp.
    5. GTY814639Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Install the hood lock control cable cover LH with the screw.

    6. Install the hood lock control cable cover RH with the screw.
      GTY835945Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Attach the clamp to connect the engine room main wire.
      GTY805530Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. connect the connector.
  7. INSTALL RADIATOR SUPPORT TO CROSSMEMBER BRACE SUB-ASSEMBLY RH 
    1. Install the radiator support to crossmember brace sub-assembly RH with the 2 bolts.
      GTY799433Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 49 N.m (500 kgf/cm, 36 ft.lbf) 

  8. INSTALL RADIATOR SUPPORT TO CROSSMEMBER BRACE SUB-ASSEMBLY LH 
    1. Install the radiator support to crossmember brace sub-assembly LH with the 2 bolts.
      GTY806116Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 49 N.m (500 kgf/cm, 36 ft.lbf) 

  9. INSTALL LOWER ARM BRACKET BRACE SUB-ASSEMBLY RH 
    1. Install the lower arm bracket brace sub-assembly RH with the 2 bolts.
      GTY970472Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

    2. Connect the connector.
      GTY971508Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. INSTALL LOWER ARM BRACKET BRACE SUB-ASSEMBLY LH 
    1. Install the lower arm bracket brace sub-assembly LH with the 2 bolts.
      GTY835928Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

  11. INSTALL LOW PITCHED HORN ASSEMBLY 

    Refer to PROCEDURE - Step 1

  12. INSTALL HIGH PITCHED HORN ASSEMBLY 

    Refer to PROCEDURE - Step 2

  13. INSTALL ENGINE HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY) 

    Refer to PROCEDURE - Step 1

  14. INSTALL HOOD LOCK RELEASE LEVER PROTECTOR 
    1. Attach the clamp.
      GTY835926Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the hood lock release lever protector with the 2 clips
  15. INSTALL NO. 1 AIR CLEANER INLET 

    Refer to PROCEDURE - Step 5

  16. INSTALL HEADLIGHT ASSEMBLY RH 

    HINT: 

    Use the same procedure described for the headlight assembly LH.

    Refer to INSTALLATION [10/2023 - ]

  17. INSTALL POP UP HOOD LIFTER ASSEMBLY LH 

    Refer to INSTALLATION [10/2023 - ]

  18. INSPECT FITTING OF HOOD SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 1

  19. ADJUST HOOD SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 2

  20. ADD COOLANT (for Inverter) 

    Refer to PROCEDURE - Step 7

  21. INSPECT FOR COOLANT LEAK (for Inverter) 

    Refer to PROCEDURE - Step 1

  22. INSTALL OIL PAN PROTECTOR 

    Refer to PROCEDURE - Step 12

  23. CHARGE AIR CONDITIONING SYSTEM WITH REFRIGERANT 
    1. for HFC-134a (R134a):

      Refer to PROCEDURE - Step 5

    2. for HFO-1234yf (R1234yf):

      Refer to PROCEDURE - Step 5

  24. WARM UP COMPRESSOR 
    1. for HFC-134a (R134a):

      Refer to PROCEDURE - Step 6

    2. for HFO-1234yf (R1234yf):

      Refer to PROCEDURE - Step 6

  25. INSPECT FOR REFRIGERANT LEAK 
    1. for HFC-134a (R134a):

      Refer to PROCEDURE - Step 7

    2. for HFO-1234yf (R1234yf):

      Refer to PROCEDURE - Step 7

  26. INSTALL LOWER RADIATOR AIR DEFLECTOR 

    Refer to PROCEDURE - Step 8

  27. INSTALL UPPER RADIATOR SUPPORT SEAL 

    Refer to PROCEDURE - Step 9

  28. INSTALL RADIATOR COVER PLATE 

    Refer to PROCEDURE - Step 10

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