Lexus IS250 IS220d GSE20 ALE20 - INTERIOR

ROOF HEADLINING - INSTALLATION

1. INSTALL FRONT DOOR OPENING TRIM WEATHERSTRIP LH
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install the front door opening trim weatherstrip LH as shown in the illustration.

2. INSTALL FRONT DOOR OPENING TRIM WEATHERSTRIP RH
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install the front door opening trim weatherstrip RH as shown in the illustration.

3. INSTALL REAR DOOR OPENING TRIM WEATHERSTRIP LH
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install the rear door opening trim weatherstrip LH as shown in the illustration.

4. INSTALL REAR DOOR OPENING TRIM WEATHERSTRIP RH
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install the rear door opening trim weatherstrip RH as shown in the illustration.

5. INSTALL NO. 1 ROOF WIRE (w/o Sliding Roof)

Install the roof wire.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20


Remove the peeling paper from one side of double-sided tape.

Attach double-sided tape to the marks on the roof headlining, as shown in the illustrations below above.

Remove peeling paper from the other side of double-sided tape.

Align the wire harness to double-sided tape. Also, align the marking tape areas of the wire harness to the marks on the roof headlining. Temporarily attach the wire harness to the roof headlining. Secure the wire harness to the roof headlining with vinyl tape.

  • NOTICE:
  • Securely install the No. 1 roof wire. If the wire is not secure, noise will occur.
6. INSTALL NO. 1 ROOF WIRE (w/ Sliding Roof)

Install the roof wire.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20


Remove the peeling paper from one side of double-sided tape.

Attach double-sided tape to the marks on the roof headlining, as shown in the illustrations above.

Remove peeling paper from the other side of double-sided tape.

Align the wire harness to double-sided tape. Also, align the marking tape areas of the wire harness to the marks on the roof headlining. Temporarily attach the wire harness to the roof headlining. Secure the wire harness to the roof headlining with vinyl tape.

  • NOTICE:
  • Securely install the No. 1 roof wire. If the wire is not secure, noise will occur.
7. INSTALL VANITY LIGHT ASSEMBLY
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the 3 claws and install the vanity light assembly.

  • HINT:
  • Use the same procedure to install the light on the other side.
8. INSTALL ROOF SILENCER PAD (w/o Sliding Roof)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Align the markings on the roof headlining assembly with the roof silencer pads and install the pads using double-sided tape as shown in the illustration.

9. INSTALL REAR SIDE RAIL SPACER (w/o Sliding Roof)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Align the markings on the roof headlining assembly with the rear side rail spacer and install the spacers using double-sided tape as shown in the illustration.

10. INSTALL ROOF HEADLINING PAD (w/o Sliding Roof)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Align the markings on the roof headlining assembly with the roof headlining pad and install the pads using double-sided tape as shown in the illustration.

11. INSTALL REAR SIDE RAIL SPACER (w/ Sliding Roof)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Align the markings on the roof headlining assembly with the rear side rail spacer and install the spacers using double-sided tape as shown in the illustration.

12. INSTALL ROOF HEADLINING ASSEMBLY (w/o Sliding Roof)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Place the roof headlining in the vehicle from the front right door.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the hook, 10 claws and 2 clips, and install the roof headlining assembly.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Connect the roof wire connector and engage each clamp.

Connect each connector to the map light assembly.

13. INSTALL ROOF HEADLINING ASSEMBLY (w/ Sliding Roof)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Place the roof headlining in the vehicle from the front right door.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the hook, 10 claws, 8 fasteners and 2 clips, and install the roof headlining assembly.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Connect the roof wire connector and engage each clamp.

Connect each connector to the map light assembly.

14. INSTALL VISOR HOLDER
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Set the claws of the visor holder as shown in the illustration

Engage the claws and install the visor holder.

  • HINT:
  • Use the same procedure to install the holder on the other side.
15. INSTALL VISOR ASSEMBLY LH
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install the visor assembly LH with the 2 screws.

16. INSTALL VISOR ASSEMBLY RH
17. INSTALL VISOR BRACKET COVER
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the 4 claws and install the visor bracket cover.

  • HINT:
  • Use the same procedure to install the cover on the other side.
18. INSTALL ASSIST GRIP SUB-ASSEMBLY
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Put an assist grip sub-assembly together as shown in the illustration.

Install the assist grip sub-assembly.

  • HINT:
  • Use the same procedure for the other 3 assist grips.
19. INSTALL COAT HOOK
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install the coat hook with the screw.

  • HINT:
  • Use the same procedure to install the hook on the other side.
20. INSTALL SPOT LIGHT ASSEMBLY
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Connect the connector.

Engage the 2 clips and install the spot light assembly.

21. INSTALL MAP LIGHT ASSEMBLY (w/o Sliding Roof)

Connect the connector.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the 2 clips and install the map light assembly.

Install the 2 screws.

Engage the 3 claws and close the cover.

22. INSTALL MAP LIGHT ASSEMBLY (w/ Sliding Roof)

Connect the connector.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the 2 clips and install the map light assembly.

Install the 2 screws.

Engage the 3 claws and close the cover.

23. INSTALL RAIN SENSOR TAPE (w/ Rain Sensor)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Peel off the releasing sheet (yellow side) and attach the rain sensor tape on the position indicated in the illustration (the sensor part of the rain sensor) while pushing out air bubbles with fingers.

Peel off the releasing sheet (white side).

  • NOTICE:
When reusing the rain sensor, clean up dirt on the sensor part with a cloth, etc.
Do not touch the sensor tape surface directly with fingers.
AreaMeasurement
A45.5 mm (1.791 in.)
B24.7 mm (0.972 in.)
C10.0 mm (0.393 in.)
D9.8 mm (0.385 in.)
24. INSTALL RAIN SENSOR (w/ Rain Sensor)

Connect the connector.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the claw as shown in the illustration to set the position.

Gradually attach the rain sensor to the glass surface to prevent air bubbles from forming in between them.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Push in the stopper.

  • NOTICE:
Do not touch the sensor tape surface and the glass surface directly with fingers.
Clean up dirt on the glass with a cloth, etc.
After installing the rain sensor, there should be no air bubbles between the windshield glass and the rain sensor tape.
25. INSTALL INNER REAR VIEW MIRROR STAY HOLDER COVER (w/ EC Mirror)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the 2 claws and install the inner rear view mirror stay holder cover as shown in the illustration.

26. INSTALL ROOF SIDE INNER GARNISH LH
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the claw and 4 clips, and install the roof side garnish inner LH.

27. INSTALL ROOF SIDE INNER GARNISH RH
28. INSTALL REAR SEAT SIDE GARNISH LH
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the 5 claws and install the rear seat side garnish LH.

29. INSTALL REAR SEAT SIDE GARNISH RH
30. INSTALL CENTER PILLAR GARNISH LH
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the 2 claws and install the center pillar garnish LH.

Install the 2 screws.

31. INSTALL CENTER PILLAR GARNISH RH
32. INSTALL LOWER CENTER PILLAR GARNISH LH
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the 5 clips and 3 claws, and install the lower center pillar garnish LH.

33. INSTALL LOWER CENTER PILLAR GARNISH RH
34. INSTALL FRONT SEAT OUTER BELT ASSEMBLY LH
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install the front seat outer belt assembly LH with the bolt.

  • Torque:
  • 42 N*m{ 428 kgf*cm, 31 ft.*lbf}
35. INSTALL FRONT SEAT OUTER BELT ASSEMBLY RH
36. INSTALL LAP BELT OUTER ANCHOR COVER
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the 2 claws and install the lap belt outer anchor cover as shown in the illustration.

  • HINT:
  • Use the same procedure to install the cover on the other side.
37. INSTALL REAR DOOR SCUFF PLATE LH
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the 2 clips.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the 5 claws and install the rear door scuff plate LH.

38. INSTALL REAR DOOR SCUFF PLATE RH
39. INSTALL TRANSMISSION FLOOR SHIFT ASSEMBLY (for Automatic Transmission)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install the floor shift assembly with the 4 bolts.

  • Torque:
  • 8.3 N*m{ 85 kgf*cm, 73 in.*lbf}

Connect the connector to the floor shift assembly.

40. INSTALL FLOOR SHIFT GEAR SHIFTING ROD SUB-ASSEMBLY (for Automatic Transmission)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install the floor shift gear shifting rod sub-assembly with the nut.

  • Torque:
  • 13 N*m{ 133 kgf*cm, 9 ft.*lbf}
41. INSTALL FRONT NO. 1 FLOOR HEAT INSULATOR (for Automatic Transmission)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install the No. 1 heat insulator with the 4 nuts.

  • Torque:
  • 5.4 N*m{ 55 kgf*cm, 48 in.*lbf}
42. INSTALL FRONT EXHAUST PIPE ASSEMBLY (for Automatic Transmission)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Using a vernier caliper, measure the free length of the compression springs.

  • Minimum length:
  • 38.5 mm (1.516 in.)

If the free length is less than the minimum, replace the compression spring.


Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install a new gasket to the rear end of the front exhaust pipe.

  • NOTICE:
Be careful with the installation direction of the gasket.
Do not reuse the gasket.
To ensure a proper seal, do not use the tail exhaust pipe to force the gasket onto the front exhaust pipe.
  • HINT:
  • Using a plastic hammer, uniformly strike the gasket so that the gasket and front exhaust pipe are properly fit.

Install 3 new gaskets and front exhaust pipe assembly.

  • CAUTION:
  • Do not reuse the gaskets.
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install the 2 bolts and 2 compression springs.

  • Torque:
  • 43 N*m{ 438 kgf*cm, 32 ft.*lbf}
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install 4 new nuts and 4 bolts.

  • Torque:
  • 62 N*m{ 632 kgf*cm, 46 ft.*lbf}
  • NOTICE:
  • Do not reuse the nuts.
43. INSTALL OXYGEN SENSOR (for Automatic Transmission)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Before installing the heated oxygen sensors, twist the sensor wires counterclockwise 4 turns.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Using the SST, install the heated oxygen sensors to the front exhaust pipe.

  • SST
  • 09224-00010
  • Torque:
  • 44 N*m{ 449 kgf*cm, 33 ft.*lbf}

After installing the sensors, check that the sensor wires are not twisted.


If the sensor wires are twisted, reinstall them.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install the grommets of the heated oxygen sensors.

44. INSTALL FRONT CENTER FLOOR BRACE (for Automatic Transmission)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install the front center floor brace with the 4 bolts.

  • Torque:
  • 7.4 N*m{ 75 kgf*cm, 65 in.*lbf}
45. INSTALL REAR NO. 1 FLOOR PANEL BRACE (for Automatic Transmission)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install the rear No. 1 floor panel brace with the 4 bolts.

  • Torque:
  • 19 N*m{ 194 kgf*cm, 14 ft.*lbf}
46. INSTALL FLOOR SHIFT LEVER ASSEMBLY (for Manual Transmission)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install the 2 bushings to the shift lever assembly.

Install the washer to the floor shift lever assembly.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install the shift lever assembly with a new E-ring.

Install the shift and select lever boot.

47. INSTALL SHIFT LEVER CAP (for Manual Transmission)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Move the shift lever to the 2nd gear position. Adjust the guide plate so that dimension A is as shown in the illustration with the shift lever cap pushed toward neutral (select direction).

  • Torque:
  • 10 N*m{ 102 kgf*cm, 7 ft.*lbf}
48. INSTALL NO. 1 SHIFT AND SELECT LEVER BOOT (for Manual Transmission)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install the shift lever boot with the 4 bolts.

49. INSTALL INSTALL INSTRUMENT PANEL STAY

Engage the claw and install the instrument panel stay.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

50. INSTALL INSTRUMENT PANEL CLIP

Engage the claw and install the 4 instrument panel clips.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

51. 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-.

Roof Headlining - Installation. INTERIOR. 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.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

52. CONNECT PASSENGER AIRBAG CONNECTOR
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Connect the connector.

53. INSTALL NO. 2 CONSOLE BOX DUCT (for Manual Transmission)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

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

54. INSTALL NO. 1 CONSOLE BOX DUCT (for Automatic Transmission)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

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

55. INSTALL NO. 2 CONSOLE BOX DUCT (for Automatic Transmission)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

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

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

Connect the connector.

Roof Headlining - Installation. INTERIOR. 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.
57. INSTALL NO. 3 INSTRUMENT PANEL SPEAKER PANEL SUB-ASSEMBLY
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

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

58. INSTALL NO. 2 INSTRUMENT PANEL REGISTER ASSEMBLY
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Connect the connector.

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

59. INSTALL NO. 1 INSTRUMENT PANEL REGISTER ASSEMBLY
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Connect the connector.

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

60. INSTALL GLOVE COMPARTMENT DOOR ASSEMBLY
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Connect the connectors.

Engage the 2 claws.

Install the glove compartment door assembly with the 5 screws.

61. INSTALL FRONT PASSENGER SIDE KNEE AIRBAG ASSEMBLY
Roof Headlining - Installation. INTERIOR. 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}
62. INSTALL NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

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

63. INSTALL SIDE INSTRUMENT PANEL RH
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

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

64. INSTALL COMBINATION METER ASSEMBLY
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Connect the connectors.

Engage the 2 pins.

Engage the 2 claws and install the combination meter assembly.

65. INSTALL INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

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

66. INSTALL DRIVER SIDE KNEE AIRBAG ASSEMBLY
Roof Headlining - Installation. INTERIOR. 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}
67. INSTALL LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Connect the connectors.

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

68. INSTALL NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
Roof Headlining - Installation. INTERIOR. 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-.

69. INSTALL SIDE INSTRUMENT PANEL LH
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

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

70. INSTALL FRONT PILLAR GARNISH LH
Roof Headlining - Installation. INTERIOR. 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.

71. INSTALL FRONT PILLAR GARNISH RH
72. INSTALL FRONT DOOR OPENING TRIM COVER LH
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the 4 claws and install the front door opening trim cover LH.

73. INSTALL FRONT DOOR OPENING TRIM COVER RH
74. INSTALL FRONT DOOR SCUFF PLATE LH (w/o Illumination)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the 4 clips.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

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

75. INSTALL FRONT DOOR SCUFF PLATE RH (w/o Illumination)
76. INSTALL FRONT DOOR SCUFF PLATE LH (w/ Illumination)

Connect the connector.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the 4 clips.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

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

77. INSTALL FRONT DOOR SCUFF PLATE RH (w/ Illumination)
78. INSTALL TURN SIGNAL SWITCH ASSEMBLY WITH SPIRAL CABLE SUB-ASSEMBLY
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

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

79. INSTALL STEERING COLUMN COVER (for Manual Tilt and Telescopic)
Roof Headlining - Installation. INTERIOR. 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.

Roof Headlining - Installation. INTERIOR. 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}
80. INSTALL STEERING COLUMN COVER (for Power Tilt and Power Telescopic)
Roof Headlining - Installation. INTERIOR. 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.

Roof Headlining - Installation. INTERIOR. 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}
81. 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.
Roof Headlining - Installation. INTERIOR. 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.
Roof Headlining - Installation. INTERIOR. 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.
82. INSTALL STEERING WHEEL ASSEMBLY
Roof Headlining - Installation. INTERIOR. 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}
83. INSTALL STEERING PAD
Roof Headlining - Installation. INTERIOR. 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.

Roof Headlining - Installation. INTERIOR. 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}
84. INSTALL LOWER NO. 3 STEERING WHEEL COVER
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install the steering wheel No.3 cover lower.

85. INSTALL LOWER NO. 2 STEERING WHEEL COVER
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install the steering wheel No.2 cover lower.

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

Connect each connector.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

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

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

Connect each connector.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

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

88. INSTALL CENTER LOWER INSTRUMENT CLUSTER FINISH PANEL
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

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

89. INSTALL NO. 3 INSTRUMENT PANEL REGISTER ASSEMBLY
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Connect the connectors.

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

90. INSTALL CONSOLE BOX
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the 2 claws and 2 clips.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install the 2 bolts <C-.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Install the 2 bolts <C-.

Connect the connector.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Connect the connectors.

Engage the 2 clamps.

Install the 2 bolts <C-.

91. INSTALL CONSOLE BOX REGISTER ASSEMBLY
Roof Headlining - Installation. INTERIOR. 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.

92. INSTALL FRONT ASH RECEPTACLE SUB-ASSEMBLY
Roof Headlining - Installation. INTERIOR. 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.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

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

93. INSTALL FRONT CONSOLE PANEL SUB-ASSEMBLY (for Manual Transmission)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the 6 clips.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Close the snap.

94. INSTALL REAR CONSOLE PANEL SUB-ASSEMBLY (for Manual Transmission)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the 7 claws and 2 clips.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Close the snap.

95. INSTALL CONSOLE PANEL SUB-ASSEMBLY (for Automatic Transmission)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Connect the connectors.

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

96. INSTALL UPPER NO. 2 CONSOLE PANEL GARNISH (for Automatic Transmission)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

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

97. INSTALL UPPER NO. 1 CONSOLE PANEL GARNISH (for Automatic Transmission)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

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

98. INSTALL SHIFT LEVER KNOB SUB-ASSEMBLY (for Manual Transmission)
99. INSTALL SHIFT LEVER KNOB SUB-ASSEMBLY (for Automatic Transmission)
100. INSTALL FRONT SEAT ASSEMBLY LH (for Power Seat)

Place the seat in the cabin.

Connect the connectors under the seat.

Connect the cable to the negative (-) battery terminal.

Operate the power seat switch knob and move the seat to the position farthest forward.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Tighten the 2 bolts on the rear seat track bracket.

  • Torque:
  • 37 N*m{ 377 kgf*cm, 27 ft.*lbf}
  • HINT:
  • Tighten the 2 bolts in the order indicated in the illustration.

Operate the power seat switch knob and move the seat to the rearmost position.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Tighten the 2 bolts on the rear seat track bracket.

  • Torque:
  • 37 N*m{ 377 kgf*cm, 27 ft.*lbf}
101. INSTALL REAR INNER SEAT TRACK COVER LH (for Power Seat)
102. INSTALL REAR OUTER SEAT TRACK COVER LH (for Power Seat)
103. INSTALL FRONT INNER SEAT TRACK BRACKET COVER LH (for Power Seat)
104. INSTALL FRONT OUTER SEAT TRACK BRACKET COVER LH (for Power Seat)
105. INSTALL FRONT SEAT ASSEMBLY RH (for Power Seat)
106. INSTALL REAR INNER SEAT TRACK COVER RH (for Power Seat)
107. INSTALL REAR OUTER SEAT TRACK COVER RH (for Power Seat)
108. INSTALL FRONT INNER SEAT TRACK BRACKET COVER RH (for Power Seat)
109. INSTALL FRONT OUTER SEAT TRACK BRACKET COVER RH (for Power Seat)
110. INSTALL FRONT SEAT HEADREST ASSEMBLY (for Power Seat)
111. INSTALL FRONT SEAT ASSEMBLY LH (for Manual Seat)

Place the front seat assembly in the vehicle and align the adjuster pin with the hole on the vehicle side.

  • NOTICE:
  • When installing the passenger side front seat assembly, be careful not to step on the yaw rate sensor mounted on the floor under the seat.

Connect the connector.

Move the front seat assembly to the rearmost position by operating the slide handle.

  • NOTICE:
  • Check that the seat is locked.
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Temporarily install the front seat track bracket with the 2 bolts.

Move the front seat assembly fully forward by operating the slide handle.

  • NOTICE:
  • Check that the seat is locked.
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Temporarily install the rear seat track bracket with the 2 bolts.

Move the front seat assembly to the rearmost position by operating the slide handle.

  • NOTICE:
  • Check that the seat is locked.

Fully tighten the 2 bolts on the front seat track bracket in the order of the inner side bolt and then the outer side bolt.

  • Torque:
  • 37 N*m{ 377 kgf*cm, 27 ft.*lbf}

Move the front seat assembly fully forward by operating the slide handle.

  • NOTICE:
  • Check that the seat is locked.

Fully tighten the 2 bolts on the rear seat track bracket in the order of the inner side bolt and then the outer side bolt.

  • Torque:
  • 37 N*m{ 377 kgf*cm, 27 ft.*lbf}
112. INSTALL REAR INNER SEAT TRACK COVER LH (for Manual Seat)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the 2 claws and install the rear inner seat track bracket cover.

113. INSTALL REAR OUTER SEAT TRACK COVER LH (for Manual Seat)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the 2 claws and install the rear outer seat track bracket cover.

114. INSTALL FRONT OUTER SEAT TRACK BRACKET COVER LH (for Manual Seat)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the 2 claws and install the front outer seat track bracket cover.

115. INSTALL FRONT INNER SEAT TRACK BRACKET COVER LH (for Manual Seat)
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Engage the 2 claws and install the front inner seat track bracket cover.

116. INSTALL FRONT SEAT ASSEMBLY RH (for Manual Seat)
117. INSTALL REAR INNER SEAT TRACK COVER RH (for Manual Seat)
118. INSTALL REAR OUTER SEAT TRACK COVER RH (for Manual Seat)
119. INSTALL FRONT OUTER SEAT TRACK BRACKET COVER RH (for Manual Seat)
120. INSTALL FRONT INNER SEAT TRACK BRACKET COVER RH (for Manual Seat)
121. INSTALL FRONT SEAT HEADREST ASSEMBLY (for Manual Seat)
122. INSTALL REAR SEATBACK ASSEMBLY
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Place the seatback in the cabin.

  • NOTICE:
  • Be careful not to damage the vehicle body.

Install the seatback with the 4 bolts.

  • Torque:
  • 18 N*m{ 184 kgf*cm, 13 ft.*lbf}

Pass the 3 seat belts through and close the cap of the 2 rear seat shoulder belt guides.

Install the floor anchor part with the bolt.

123. INSTALL REAR CENTER SEAT HEADREST ASSEMBLY
124. INSTALL REAR SEAT HEADREST ASSEMBLY
125. INSTALL REAR SEAT CUSHION ASSEMBLY
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Attach the 2 rear hooks of the seat cushion to the seatback.

Attach the 2 front hooks of the seat cushion to the vehicle body.

Confirm that the seat cushion is firmly installed.

  • NOTICE:
  • When installing the seat cushion, make sure the seat belt buckle is not under the seat cushion.
126. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
127. PERFORM INITIALIZATION
  • NOTICE:
  • Some systems need initialization after reconnecting the cable to the negative battery terminal .
128. CHECK SRS WARNING LIGHT

129. CHECK FOR EXHAUST GAS LEAKS

If exhaust gas is leaking, tighten the related parts to stop the leak. Replace damaged parts as necessary.


130. INSPECT FRONT SEAT ASSEMBLY (for Power Seat)

Check the power seat operation.

Check the seat heater operation (with seat heater system).

Turn the engine switch on (IG).

Turn the seat heater switch ON.

Wait 5 minutes or more and confirm that the seat surface becomes warm.

131. INSPECT SLIDE ADJUSTER LOCK (for Manual Seat)
132. ADJUST SHIFT LEVER POSITION
Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Remove the nut and disconnect the shifting rod.

Roof Headlining - Installation. INTERIOR. Lexus IS250 IS220d GSE20 ALE20

Turn the control shaft lever of the park/neutral position switch counterclockwise until it stops, and turn it clockwise 2 notches to set it to the N position.

Move the shift lever to the N position and tighten the nut while lightly pushing the lever toward the R position.

  • NOTICE:
  • Do not push the shift lever too hard.

After adjustment, check that the shift lever moves smoothly and the shift lever and gear operate correctly.

133. INSPECT SHIFT LEVER POSITION

When shifting from the P to R position with the engine switch on (IG) and the brake pedal depressed, make sure that the shift lever moves smoothly and moves correctly into the position.

Start the engine and make sure that the vehicle moves forward when shifting from the N to D position and moves rearward when shifting to the R position.


If operation cannot be done as specified, inspect the park/neutral position switch assembly and check the shift lever assembly installation condition.

LEXUS IS250, IS220d / GSE20 ALE20