Lexus IS250 IS220d GSE20 ALE20 - NAVIGATION

NAVIGATION ANTENNA - INSTALLATION

1. INSTALL NAVIGATION ANTENNA (for LHD)
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Install the navigation antenna with the 2 screws.

Engage the 2 clamps.

2. INSTALL NAVIGATION ANTENNA (for RHD)
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Install the navigation antenna with the 2 screws.

Engage the clamp.

3. INSTALL DEFROSTER NOZZLE ASSEMBLY
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Install the defroster nozzle assembly with the 3 screws <F-.

4. INSTALL SIDE NO. 2 DEFROSTER NOZZLE DUCT
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Install the No. 2 heater to register duct with the 4 screws <F-.

5. INSTALL NO. 3 HEATER TO REGISTER DUCT
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Install the No. 3 heater to register duct with the 3 screws <F-.

6. 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-.

Navigation Antenna - Installation. NAVIGATION. 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.

Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

7. CONNECT PASSENGER AIRBAG CONNECTOR
8. INSTALL NO. 2 CONSOLE BOX DUCT (for Manual Transmission)
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

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

9. INSTALL NO. 1 CONSOLE BOX DUCT (for Automatic Transmission)
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

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

10. INSTALL NO. 2 CONSOLE BOX DUCT (for Automatic Transmission)
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

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

11. INSTALL FRONT STEREO COMPONENT SPEAKER ASSEMBLY

Connect the connector.

Navigation Antenna - Installation. NAVIGATION. 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.
12. INSTALL NO. 3 INSTRUMENT PANEL SPEAKER PANEL SUB-ASSEMBLY
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

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

13. INSTALL NO. 2 INSTRUMENT PANEL REGISTER ASSEMBLY
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Connect the connector.

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

14. INSTALL NO. 1 INSTRUMENT PANEL REGISTER ASSEMBLY
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Connect the connector.

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

15. INSTALL FRONT PILLAR GARNISH LH
Navigation Antenna - Installation. NAVIGATION. 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.

16. INSTALL FRONT PILLAR GARNISH RH
17. INSTALL GLOVE COMPARTMENT DOOR ASSEMBLY
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Connect the connectors.

Engage the 2 claws.

Install the glove compartment door assembly with the 5 screws.

18. INSTALL FRONT PASSENGER SIDE KNEE AIRBAG ASSEMBLY
Navigation Antenna - Installation. NAVIGATION. 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}
19. INSTALL NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

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

20. INSTALL SIDE INSTRUMENT PANEL RH
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

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

21. INSTALL FRONT DOOR OPENING TRIM COVER RH
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

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

22. INSTALL FRONT DOOR SCUFF PLATE RH (w/o Illumination)
23. INSTALL FRONT DOOR SCUFF PLATE RH (w/ Illumination)
24. INSTALL COMBINATION METER ASSEMBLY
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Connect the connectors.

Engage the 2 pins.

Engage the 2 claws and install the combination meter assembly.

25. INSTALL INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

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

26. INSTALL DRIVER SIDE KNEE AIRBAG ASSEMBLY
Navigation Antenna - Installation. NAVIGATION. 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}
27. INSTALL LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Connect the connectors.

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

28. INSTALL NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
Navigation Antenna - Installation. NAVIGATION. 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-.

29. INSTALL SIDE INSTRUMENT PANEL LH
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

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

30. INSTALL FRONT DOOR OPENING TRIM COVER LH
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

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

31. INSTALL FRONT DOOR SCUFF PLATE LH (w/o Illumination)
32. INSTALL FRONT DOOR SCUFF PLATE LH (w/ Illumination)
33. INSTALL TURN SIGNAL SWITCH ASSEMBLY WITH SPIRAL CABLE SUB-ASSEMBLY
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

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

34. INSTALL STEERING COLUMN COVER (for Manual Tilt and Telescopic)
Navigation Antenna - Installation. NAVIGATION. 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.

Navigation Antenna - Installation. NAVIGATION. 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}
35. INSTALL STEERING COLUMN COVER (for Power Tilt and Power Telescopic)
Navigation Antenna - Installation. NAVIGATION. 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.

Navigation Antenna - Installation. NAVIGATION. 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}
36. 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.
Navigation Antenna - Installation. NAVIGATION. 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.
Navigation Antenna - Installation. NAVIGATION. 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.
37. INSTALL STEERING WHEEL ASSEMBLY
Navigation Antenna - Installation. NAVIGATION. 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}
38. INSTALL STEERING PAD
Navigation Antenna - Installation. NAVIGATION. 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.

Navigation Antenna - Installation. NAVIGATION. 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}
39. INSTALL LOWER NO. 3 STEERING WHEEL COVER
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Install the steering wheel No.3 cover lower.

40. INSTALL LOWER NO. 2 STEERING WHEEL COVER
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Install the steering wheel No.2 cover lower.

41. INSTALL MULTI-DISPLAY WITH RADIO RECEIVER ASSEMBLY

Connect each connector.

Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

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

42. INSTALL CENTER LOWER INSTRUMENT CLUSTER FINISH PANEL
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

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

43. INSTALL NO. 3 INSTRUMENT PANEL REGISTER ASSEMBLY
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Connect the connectors.

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

44. INSTALL CONSOLE BOX
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Engage the 2 claws and 2 clips.

Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Install the 2 bolts <C-.

Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Install the 2 bolts <C-.

Connect the connector.

Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Connect the connectors.

Engage the 2 clamps.

Install the 2 bolts <C-.

45. INSTALL CONSOLE BOX REGISTER ASSEMBLY
Navigation Antenna - Installation. NAVIGATION. 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.

46. INSTALL FRONT ASH RECEPTACLE SUB-ASSEMBLY
Navigation Antenna - Installation. NAVIGATION. 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.

Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

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

47. INSTALL FRONT CONSOLE PANEL SUB-ASSEMBLY (for Manual Transmission)
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Engage the 6 clips.

Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Close the snap.

48. INSTALL REAR CONSOLE PANEL SUB-ASSEMBLY (for Manual Transmission)
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Engage the 7 claws and 2 clips.

Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Close the snap.

49. INSTALL CONSOLE PANEL SUB-ASSEMBLY (for Automatic Transmission)
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

Connect the connectors.

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

50. INSTALL UPPER NO. 2 CONSOLE PANEL GARNISH (for Automatic Transmission)
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

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

51. INSTALL UPPER NO. 1 CONSOLE PANEL GARNISH (for Automatic Transmission)
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

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

52. INSTALL SHIFT LEVER KNOB SUB-ASSEMBLY (for Manual Transmission)
53. INSTALL SHIFT LEVER KNOB SUB-ASSEMBLY (for Automatic Transmission)
54. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
55. PERFORM INITIALIZATION
  • NOTICE:
  • Some systems need initialization after reconnecting the cable to the negative battery terminal .
56. INSPECT STEERING PAD
Navigation Antenna - Installation. NAVIGATION. Lexus IS250 IS220d GSE20 ALE20

With the steering pad installed on the vehicle, perform a visual check. If there are any defects as mentioned below, replace the steering pad with a new one:

Cuts, minute cracks or marked discoloration on the steering pad top surface or in the grooved portion.

Make sure that the horn sounds.

  • HINT:
  • If the horn does not sound, inspect the horn system .
57. INSPECT SRS WARNING LIGHT