Lexus IS250 IS220d GSE20 ALE20 - AIR CONDITIONING

AIR CONDITIONING UNIT - INSTALLATION

1. INSTALL BLOWER ASSEMBLY
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the blower assembly with the claw and screw.

  • Torque:
  • 3.0 N*m{ 31 kgf*cm, 27 in.*lbf}

Connect the connector.

2. INSTALL AIR CONDITIONING AMPLIFIER ASSEMBLY
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the air conditioning amplifier with the screw and connect the connector.

3. INSTALL NO. 2 AIR DUCT
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the No. 2 air duct with the screw.

  • Torque:
  • 5.4 N*m{ 55 kgf*cm, 48 in.*lbf}
4. INSTALL AIR CONDITIONER UNIT ASSEMBLY

Install the air conditioner unit assembly with the 3 bolts and 2 screws.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

  • Torque:
  • 9.8 N*m{ 100 kgf*cm, 7 ft.*lbf}(bolt 1)
5. INSTALL INSTRUMENT PANEL REINFORCEMENT ASSEMBLY

Driver seat side:

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20


Using a T40 "torx" socket, install the instrument panel reinforcement with the 3 "torx" bolts.

Passenger seat side:

Using a 12 mm hexagon wrench, install the instrument panel reinforcement with the 2 bolts.

  • Torque:
  • 6.0 N*m{ 61 kgf*cm, 53 in.*lbf}

Using a T40 "torx" socket, install the instrument panel reinforcement with the 2 "torx" bolts.

  • Torque:
  • 20 N*m{ 204 kgf*cm, 15 ft.*lbf}

Install the instrument panel reinforcement with the 4 bolts and nut.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

  • Torque:
  • 9.8 N*m{ 100 kgf*cm, 7 ft.*lbf}(nut 1)

Install the bolt and cap.

Connect the 19 connectors and attach the 27 clamps.

Install the 2 junction blocks with the 2 bolts and nut.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

6. INSTALL IMMOBILISER CODE ECU
7. INSTALL DEFROSTER NOZZLE LOWER ASSEMBLY
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Attach the 4 claws to install the defroster nozzle lower.

8. INSTALL STEERING COLUMN ASSEMBLY (for Manual Tilt)
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the steering column assembly with the 4 nuts.

  • Torque:
  • 21 N*m{ 214 kgf*cm, 16 ft.*lbf}

Connect the connectors and wire harness clamps to the steering column assembly.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the clamp to the steering column hole shield.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the brake pedal return spring.

9. INSTALL STEERING COLUMN ASSEMBLY (for Power Tilt and Power Telescopic)
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the steering column assembly with the 4 nuts.

  • Torque:
  • 26 N*m{ 260 kgf*cm, 19 ft.*lbf}

Connect the connectors and wire harness clamps to the steering column assembly.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the clamp to the steering column hole shield.

10. INSTALL STEERING SLIDING YOKE SUB-ASSEMBLY
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Align the matchmarks on the No. 2 steering intermediate shaft assembly and steering sliding yoke sub-assembly.

Temporarily install the bolt.

  • NOTICE:
  • Do not tighten the bolt.
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Align the matchmarks on the steering sliding yoke sub-assembly and the power steering gear assembly.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install bolt (A) and tighten the 2 bolts.

  • Torque:
  • 35 N*m{ 360 kgf*cm, 26 ft.*lbf}
11. INSTALL INSTRUMENT PANEL SAFETY PAD ASSEMBLY

Engage the 5 claws.

  • NOTICE:
  • Do not allow the wire harness to get caught in the claws.

Engage the 2 clamps.

Install the 2 passenger airbag bolts <A- or <B-.

  • Torque:
  • 20 N*m{ 204 kgf*cm, 15 ft.*lbf}

Install the 6 bolts <D- and nut <H-.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the 2 claws and install the cooler thermistor.

Engage the clamps.

Connect the connectors and install the instrument panel safety pad assembly.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

12. CONNECT PASSENGER AIRBAG CONNECTOR
13. INSTALL NO. 2 CONSOLE BOX DUCT (for Manual Transmission)
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the No. 2 console box duct with the clip.

14. INSTALL NO. 1 CONSOLE BOX DUCT (for Automatic Transmission)
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the No. 1 console box duct with the clip.

15. INSTALL NO. 2 CONSOLE BOX DUCT (for Automatic Transmission)
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the No. 2 console box duct with the 2 clips.

16. INSTALL FRONT STEREO COMPONENT SPEAKER ASSEMBLY (w/ Front Center Speaker)

Connect the connector.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the front stereo component speaker assembly with the 2 bolts.

  • HINT:
  • Install the bolts in the order shown in the illustration.
17. INSTALL NO. 3 INSTRUMENT PANEL SPEAKER PANEL SUB-ASSEMBLY
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the 7 claws and install the No. 3 instrument panel speaker panel sub-assembly.

18. INSTALL NO. 2 INSTRUMENT PANEL REGISTER ASSEMBLY
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Connect the connector.

Engage the 4 claws and 2 clips, and install the No. 2 instrument panel register assembly.

19. INSTALL NO. 1 INSTRUMENT PANEL REGISTER ASSEMBLY
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Connect the connector.

Engage the 7 claws and 2 clips, and install the No. 1 instrument panel register assembly.

20. INSTALL FRONT PILLAR GARNISH LH
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install a new clip <A- on the front pillar garnish LH.

Engage the claw and 2 clips, and install the front pillar garnish LH.

21. INSTALL FRONT PILLAR GARNISH RH
22. INSTALL GLOVE COMPARTMENT DOOR ASSEMBLY
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Connect the connectors.

Engage the 2 claws.

Install the glove compartment door assembly with the 5 screws.

23. INSTALL FRONT PASSENGER SIDE KNEE AIRBAG ASSEMBLY
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Connect the connector.

  • NOTICE:
  • When handling the airbag connector, take care not to damage the airbag wire harness.

Install the front passenger side knee airbag assembly with the 3 bolts.

  • Torque:
  • 10 N*m{ 102 kgf*cm, 7 ft.*lbf}
24. INSTALL NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the 4 clips and install the No. 2 instrument panel under cover sub-assembly.

25. INSTALL SIDE INSTRUMENT PANEL RH
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the 5 claws and 3 clips, and then install the side instrument panel RH.

26. INSTALL FRONT DOOR OPENING TRIM COVER RH
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the 6 claws and install the front door opening trim cover RH.

27. INSTALL FRONT DOOR SCUFF PLATE RH (w/o Illumination)
28. REMOVE FRONT DOOR SCUFF PLATE RH (w/ Illumination)
29. INSTALL COMBINATION METER ASSEMBLY
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Connect the connectors.

Engage the 2 pins.

Engage the 2 claws and install the combination meter assembly.

30. INSTALL INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the instrument cluster finish panel sub-assembly with the 2 screws and 2 clips.

31. INSTALL DRIVER SIDE KNEE AIRBAG ASSEMBLY
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Connect the connector.

  • NOTICE:
  • When handling the airbag connector, take care not to damage the airbag wire harness.

Install the driver side knee airbag assembly with the 4 bolts.

  • Torque:
  • 10 N*m{ 102 kgf*cm, 7 ft.*lbf}
32. INSTALL LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Connect the connectors.

Engage the 7 clips and install the lower instrument panel finish panel sub-assembly.

33. INSTALL NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Connect the connectors.

Insert the No. 1 instrument panel under cover sub-assembly into the guide as shown in the illustration.

Engage the 2 claws.

Install the No. 1 instrument panel under cover sub-assembly with the 2 screws <E-.

34. INSTALL SIDE INSTRUMENT PANEL LH
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the 5 claws and 3 clips, and then install the side instrument panel LH.

35. INSTALL FRONT DOOR OPENING TRIM COVER LH
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the 6 claws and install the front door opening trim cover LH.

36. INSTALL FRONT DOOR SCUFF PLATE LH (w/o Illumination)
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the 4 clips.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the 7 claws, and install the front door scuff plate LH.

37. REMOVE FRONT DOOR SCUFF PLATE LH (w/ Illumination)

Connect the connector.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the 4 clips.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the 7 claws, and install the front door scuff plate LH.

38. INSTALL TURN SIGNAL SWITCH ASSEMBLY WITH SPIRAL CABLE SUB-ASSEMBLY
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the turn signal switch assembly with spiral cable sub-assembly to the steering column assembly with the clamp.

39. INSTALL STEERING COLUMN COVER (for Manual Tilt)
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the claw to install the upper steering column cover.

Engage the 4 clips to install the steering column cover upper onto the instrument panel cluster finish panel.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the 2 claws to install the lower steering column cover.

Install the 2 screws.

  • Torque:
  • 2.0 N*m{ 20 kgf*cm, 18 in.*lbf}
40. INSTALL STEERING COLUMN COVER (for Power Tilt and Power Telescopic)
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the claw to install the steering column cover upper.

Engage the 4 clips to install the steering column cover upper onto the instrument panel cluster finish panel.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the 2 claws to install the steering column cover lower.

  • NOTICE:
  • Do not damage the tilt and telescopic switch.

Install the 3 screws.

  • Torque:
  • 2.0 N*m{ 20 kgf*cm, 18 in.*lbf}
41. ADJUST SPIRAL CABLE SUB-ASSEMBLY

Check that the engine switch is off.

Check that the battery negative (-) terminal is disconnected.

  • CAUTION:
  • After removing the terminal, wait for at least 90 seconds before starting the operation.
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Rotate the spiral cable with steering sensor counterclockwise slowly by hand until it feels firm.

  • NOTICE:
  • Do not turn the spiral cable with steering sensor by the airbag wire harness.
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Rotate the spiral cable with steering sensor clockwise approximately 2.5 turns to align the marks.

  • NOTICE:
  • Do not turn the spiral cable with spiral sensor by the airbag wire harness.
  • HINT:
  • The spiral cable with steering sensor will rotate approximately 2.5 turns to both the left and right from the center.
42. INSTALL STEERING WHEEL ASSEMBLY
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Align the matchmarks on the steering wheel assembly and steering main shaft assembly.

Install the steering wheel assembly set nut.

  • Torque:
  • 50 N*m{ 510 kgf*cm, 37 ft.*lbf}
43. INSTALL STEERING PAD
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Support the steering pad with one hand as shown in the illustration.

Connect the 2 connectors to the steering pad.

  • NOTICE:
  • When handling the airbag connector, take care not to damage the airbag wire harness.

Connect the horn connector.

Confirm that the circumference groove of the "torx" screw fits in the screw case, and place the steering pad onto the steering wheel assembly.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Using a "torx" socket wrench (T30), tighten the 2 "torx" screws.

  • Torque:
  • 8.8 N*m{ 90 kgf*cm, 78 in.*lbf}
44. INSTALL LOWER NO. 3 STEERING WHEEL COVER
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the steering wheel No.3 cover lower.

45. INSTALL LOWER NO. 2 STEERING WHEEL COVER
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the steering wheel No.2 cover lower.

46. INSTALL INTEGRATION CONTROL PANEL WITH RADIO RECEIVER ASSEMBLY (w/o Navigation System)

Connect each connector.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the integration control panel w/ radio receiver assembly with the 4 bolts.

47. INSTALL MULTI-DISPLAY WITH RADIO RECEIVER ASSEMBLY (w/ Navigation System)

Connect each connector.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the the multi-display w/ radio receiver assembly with the 4 bolts.

48. INSTALL CENTER LOWER INSTRUMENT CLUSTER FINISH PANEL
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the 4 claws and install the center lower instrument cluster finish panel.

49. INSTALL NO. 3 INSTRUMENT PANEL REGISTER ASSEMBLY
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Connect the connectors.

Engage the 11 claws and install the No. 3 instrument panel register assembly.

50. INSTALL CONSOLE BOX
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the 2 claws and 2 clips.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the 2 bolts <C-.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the 2 bolts <C-.

Connect the connector.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Connect the connectors.

Engage the 2 clamps.

Install the 2 bolts <C-.

51. INSTALL CONSOLE BOX REGISTER ASSEMBLY
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the 2 claws and 4 clips, and then install the console box register assembly.

Install the rear ash receptacle assembly.

52. INSTALL FRONT ASH RECEPTACLE SUB-ASSEMBLY
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Connect the connectors.

Insert the protruding parts of the front ash receptacle sub-assembly into the 2 guide holes as shown in the illustration.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the front ash receptacle sub-assembly with the 2 screws <F-.

53. INSTALL FRONT CONSOLE PANEL SUB-ASSEMBLY (for Manual Transmission)
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the 6 clips.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Close the snap.

54. INSTALL REAR CONSOLE PANEL SUB-ASSEMBLY (for Manual Transmission)
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the 7 claws and 2 clips.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Close the snap.

55. INSTALL CONSOLE PANEL SUB-ASSEMBLY (for Automatic Transmission)
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Connect the connectors.

Engage the 8 clips and install the console panel sub-assembly.

56. INSTALL UPPER NO. 2 CONSOLE PANEL GARNISH (for Automatic Transmission)
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the claw and 2 clips, and then install the upper No. 2 console panel garnish.

57. INSTALL UPPER NO. 1 CONSOLE PANEL GARNISH (for Automatic Transmission)
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the claw and 2 clips, and then install the upper No. 1 console panel garnish.

58. INSTALL SHIFT LEVER KNOB SUB-ASSEMBLY (for Manual Transmission)
59. INSTALL SHIFT LEVER KNOB SUB-ASSEMBLY (for Automatic Transmission)
60. INSTALL WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the windshield wiper motor and link assembly with the 2 bolts.

  • Torque:
  • 5.5 N*m{ 56 kgf*cm, 49 in.*lbf}

Connect the 2 connectors.

61. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the 11 claws.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the cowl top ventilator louver sub-assembly with the 2 clips.

62. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY LH

Operate the wiper, and stop the windshield wiper motor at the automatic stop position.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Clean the wiper arm serrations.

Clean the wiper pivot serrations with a wire brush (when reinstalling).

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the front wiper arm and blade assembly LH with the nut at the position as shown in the illustration.

  • Torque:
  • 22 N*m{ 224 kgf*cm, 16 ft.*lbf}
  • HINT:
  • Hold the arm hinge by hand to fasten the nut.
AreaMeasurement
A15 to 30 mm (0.59 to 1.18 in.)
BApprox. 40 mm (1.57 in.)
63. INSTALL FRONT WIPER ARM AND BLADE ASSEMBLY RH

Operate the wiper, and stop the windshield wiper motor at the automatic stop position.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Clean the wiper arm serrations.

Clean the wiper pivot serrations with a wire brush (when reinstalling).

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the front wiper arm and blade assembly RH with the nut at the position as shown in the illustration.

  • Torque:
  • 22 N*m{ 224 kgf*cm, 16 ft.*lbf}
  • HINT:
  • Hold the arm hinge by hand to fasten the nut.
AreaMeasurement
A18.5 to 33.5 mm (0.73 to 1.32 in.)
BApprox. 20 mm (0.79 in.)

Operate the front wipers while spraying washer fluid on the windshield glass. Make sure that the front wipers function properly and there is no interference with the vehicle body.

64. INSTALL FRONT WIPER ARM HEAD CAP
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the front wiper arm head cap.

  • HINT:
  • Use the same procedures for the RH side and the LH side.
65. INSTALL ROOF DRIP SIDE FINISH MOULDING LH
66. INSTALL ROOF DRIP SIDE FINISH MOULDING RH
67. INSTALL FRONT FENDER PROTECTOR UPPER LH
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Engage the claw and the 3 clips, then install the front upper fender protector LH.

Engage the clip on the rubber portion of the cowl top ventilator louver sub-assembly to the front fender protector upper LH.

68. INSTALL FRONT FENDER PROTECTOR UPPER RH
  • HINT:
  • Use the same procedures for the RH side and the LH side.
69. INSTALL HEATER WATER INLET HOSE

Install the water hose and attach the clip.

70. INSTALL HEATER WATER OUTLET HOSE

Use the same procedures described for the water hose inlet.

71. INSTALL LIQUID TUBE SUB-ASSEMBLY

Remove the vinyl tape attached to the tube.

Sufficiently apply compressor oil to a new O-ring and the fitting surface of the liquid tube.

  • Compressor oil:
  • ND-OIL 8 or equivalent

Install the O-ring on the liquid tube.

Install the liquid tube to the fitting hole.

72. INSTALL SUCTION PIPE SUB-ASSEMBLY

Remove the vinyl tape attached to the pipe.

Sufficiently apply compressor oil to a new O-ring and the fitting surface of the suction pipe.

  • Compressor oil:
  • ND-OIL 8 or equivalent

Install the O-ring on the suction pipe.

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Move the hook connector in the direction indicated by the arrow in the illustration.

Insert the pipe joints into the fitting holes securely and tighten the bolt.

  • Torque:
  • 9.8 N*m{ 100 kgf*cm, 7 ft.*lbf}
73. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
74. PERFORM INITIALIZATION
  • NOTICE:
  • Some systems need initialization after reconnecting the cable to the negative battery terminal
75. INSPECT SRS WARNING LIGHT

76. CHARGE REFRIGERANT

Perform vacuum purging using a vacuum pump.

Charge refrigerant HFC-134a (R134a).

  • Standard:
  • 430 +- 30 g (15.17 +- 1.06 oz.)
  • SST
  • 07110-58060(07117-58060,07117-58070,07117-58080,07117-58090,07117-78050,07117-88060,07117-88070,07117-88080)

Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

  • NOTICE:
Do not operate the cooler compressor before charging refrigerant as the cooler compressor will not work properly without any refrigerant, and will overheat.
Approximately 100 g (3.53 oz.) of refrigerant may need to be charged after bubbles disappear. The refrigerant amount should be checked by measuring its quantity, and not with the sight glass.
77. WARM UP ENGINE

Warm up the engine at less than 1,850 rpm for 2 minutes or more after charging the refrigerant.

  • NOTICE:
  • Be sure to warm up the compressor when turning the A/C switch ON after removing and installing the cooler refrigerant lines (including the compressor), to prevent damage to the compressor.
78. CHECK FOR LEAKAGE OF REFRIGERANT

After recharging the refrigerant gas, check for refrigerant gas leakage using a halogen leak detector.

Perform the operation under the following conditions:

Stop the engine.
Secure good ventilation (the gas leak detector may react to volatile gases other than refrigerant, such as evaporated gasoline or exhaust gas).
Repeat the test 2 or 3 times.
Make sure that some refrigerant remains in the refrigeration system. When compressor is off: approximately 392 to 588 kPa (4 to 6 kgf*cm2 57 to 85 psi)
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Using a gas leak detector, check the refrigerant line for leakage.

If a gas leak is not detected on the drain hose, remove the blower motor control (blower resistor) from the cooling unit. Insert the gas leak detector sensor into the unit and perform the test.

Disconnect the connector and leave the pressure switch on for approximately 20 minutes. Bring the gas leak detector close to the pressure switch and perform the test.

79. INSTALL ENGINE ROOM SIDE COVER LH
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the side cover with the 5 clips.

80. INSTALL ENGINE ROOM SIDE COVER RH
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the side cover with the 2 clips.

81. INSTALL COOL AIR INTAKE DUCT SEAL
Air Conditioning Unit - Installation. AIR CONDITIONING. Lexus IS250 IS220d GSE20 ALE20

Install the intake duct seal with the 11 clips.