Brake Pedal Installation

Brake. Lexus Is250, Is220D. Gse20 Ale20
Brake. Lexus Is250, Is220D. Gse20 Ale20

  1. INSTALL BRAKE PEDAL PAD

  2. INSTALL CUSHION

  3. INSTALL STOP LIGHT SWITCH ASSEMBLY

  4. INSTALL BRAKE PEDAL SUPPORT ASSEMBLY

  5. INSTALL BRAKE BOOSTER GASKET (for 4GR-FSE)

  6. INSTALL BRAKE BOOSTER GASKET (for 2AD-FHV)

  7. INSTALL BRAKE BOOSTER ASSEMBLY (for 4GR-FSE)

  8. INSTALL BRAKE BOOSTER ASSEMBLY (for 2AD-FHV)

  9. INSTALL BRAKE MASTER CYLINDER PUSH ROD CLEVIS (for 4GR-FSE)

  10. INSTALL BRAKE MASTER CYLINDER PUSH ROD CLEVIS (for 2AD-FHV)

  11. INSTALL BRAKE PEDAL RETURN SPRING (for 4GR-FSE)

  12. INSTALL BRAKE PEDAL RETURN SPRING (for 2AD-FHV)

  13. INSTALL BRAKE MASTER CYLINDER SUB-ASSEMBLY (for 4GR-FSE)

  14. INSTALL BRAKE MASTER CYLINDER SUB-ASSEMBLY (for 2AD-FHV)

  15. CONNECT CLUTCH RESERVOIR HOSE (for Manual Transmission)

  16. INSTALL BRAKE ACTUATOR ASSEMBLY WITH BRACKET (for 4GR-FSE)

  17. INSTALL BRAKE ACTUATOR ASSEMBLY WITH BRACKET (for 2AD-FHV)

  18. INSTALL NO. 3 ENGINE ROOM RELAY BLOCK (for 4GR-FSE)

  19. INSTALL NO. 3 ENGINE ROOM RELAY BLOCK (for 2AD-FHV)

  20. CONNECT BATTERY NEGATIVE TERMINAL

  21. ADD BRAKE FLUID

  22. BLEED MASTER CYLINDER

  23. BLEED BRAKE LINE

  24. BLEED BRAKE ACTUATOR ASSEMBLY

  25. BLEED AIR FROM CLUTCH LINE (for Manual Transmission)

  26. INSPECT FLUID LEVEL IN RESERVOIR

  27. CHECK FOR BRAKE FLUID LEAKAGE

  28. INSPECT AND ADJUST BRAKE PEDAL HEIGHT

  29. INSPECT PEDAL FREE PLAY

  30. INSPECT PEDAL RESERVE DISTANCE

  31. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

  32. INSTALL DRIVER SIDE KNEE AIRBAG ASSEMBLY

  33. INSTALL LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY

  34. INSTALL NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY

  35. INSTALL INSTRUMENT SIDE PANEL LH

  36. INSTALL INSTRUMENT SIDE PANEL RH

  37. INSTALL FRONT DOOR OPENING TRIM COVER LH

  38. INSTALL FRONT DOOR OPENING TRIM COVER RH

  39. INSTALL FRONT DOOR SCUFF PLATE LH

  40. INSTALL FRONT DOOR SCUFF PLATE RH

  41. INSTALL FRONT WHEEL

  42. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY (for 4GR-FSE)

  43. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY (for 2AD-FHV)

  44. INSTALL WINDSHIELD WIPER ARM AND BLADE ASSEMBLY RH (for 4GR-FSE)

  45. INSTALL WINDSHIELD WIPER ARM AND BLADE ASSEMBLY RH (for 2AD-FHV)

  46. INSTALL WINDSHIELD WIPER ARM AND BLADE ASSEMBLY LH (for 4GR-FSE)

  47. INSTALL WINDSHIELD WIPER ARM AND BLADE ASSEMBLY LH (for 2AD-FHV)

  48. INSTALL FRONT WIPER ARM HEAD CAP (for 4GR-FSE)

  49. INSTALL FRONT WIPER ARM HEAD CAP (for 2AD-FHV)

  50. INSTALL ROOF DRIP SIDE FINISH MOULDING RH

  51. INSTALL ROOF DRIP SIDE FINISH MOULDING LH

  52. INSTALL FRONT UPPER FENDER PROTECTOR RH (for 4GR-FSE)

  53. INSTALL FRONT UPPER FENDER PROTECTOR RH (for 2AD-FHV)

  54. INSTALL FRONT UPPER FENDER PROTECTOR LH (for 4GR-FSE)

  55. INSTALL FRONT UPPER FENDER PROTECTOR LH (for 2AD-FHV)

  56. INSTALL ENGINE ROOM SIDE COVER RH (for 4GR-FSE)

  57. INSTALL ENGINE ROOM SIDE COVER LH (for 4GR-FSE)

  58. INSTALL ENGINE ROOM SIDE COVER RH (for 2AD-FHV)

  59. INSTALL ENGINE ROOM SIDE COVER LH (for 2AD-FHV)

  60. INSTALL COOL AIR INTAKE DUCT SEAL (for 4GR-FSE)

  61. INSTALL COOL AIR INTAKE DUCT SEAL (for 2AD-FHV)

  62. CONNECT BATTERY NEGATIVE TERMINAL

  63. CHECK AND CLEAR DTC

  64. INSPECT VSC SENSOR SIGNAL

  65. INSPECT ACTUATOR WITH INTELLIGENT TESTER

  66. INSPECT SRS WARNING LIGHT

  67. PERFORM INITIALIZATION

Brake Pedal -- Installation



1. INSTALL BRAKE PEDAL PAD


2. INSTALL CUSHION


3. INSTALL STOP LIGHT SWITCH ASSEMBLY
  1. Temporarily install the stop light switch assembly with the lock nut.

  1. Fully tighten the stop light switch assembly with the lock nut after inspecting and adjusting brake pedal height (Click here).



4. INSTALL BRAKE PEDAL SUPPORT ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Install the brake pedal support assembly with the bolt.

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


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Engage the wire harness clamp.

  1. Connect the 2 connectors.



5. INSTALL BRAKE BOOSTER GASKET (for 4GR-FSE)
  1. Install a new brake booster gasket to the brake booster assembly.



6. INSTALL BRAKE BOOSTER GASKET (for 2AD-FHV)
  1. Install a new brake booster gasket to the brake booster assembly.



7. INSTALL BRAKE BOOSTER ASSEMBLY (for 4GR-FSE)


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Install the brake booster assembly with the 4 nuts.

    Torque:
    12.7 N*m{130 kgf*cm, 9 ft.*lbf}
    NOTICE:
    Do not damage the brake lines.


8. INSTALL BRAKE BOOSTER ASSEMBLY (for 2AD-FHV)


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Install the brake booster assembly with the 4 nuts.

    Torque:
    12.7 N*m{130 kgf*cm, 9 ft.*lbf}
    NOTICE:
    Do not damage the brake lines.


9. INSTALL BRAKE MASTER CYLINDER PUSH ROD CLEVIS (for 4GR-FSE)


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Apply lithium soap base glycol grease to the clevis pin.

  1. Install the push rod clevis to the brake pedal support assembly with the clevis pin and a new clip.



10. INSTALL BRAKE MASTER CYLINDER PUSH ROD CLEVIS (for 2AD-FHV)


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Apply lithium soap base glycol grease to the clevis pin.

  1. Install the push rod clevis to the brake pedal support assembly with the clevis pin and a new clip.



11. INSTALL BRAKE PEDAL RETURN SPRING (for 4GR-FSE)
  1. Install the brake pedal return spring.



12. INSTALL BRAKE PEDAL RETURN SPRING (for 2AD-FHV)
  1. Install the brake pedal return spring.



13. INSTALL BRAKE MASTER CYLINDER SUB-ASSEMBLY (for 4GR-FSE)
  1. Install a new O-ring to the brake master cylinder sub-assembly.



    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Install the brake master cylinder sub-assembly to the booster assembly with the 2 nuts.

    Torque:
    12.5 N*m{127 kgf*cm, 9 ft.*lbf}


  1. Install the brake actuator assembly to the actuator bracket with the 2 cap nuts.

    Torque:
    5.5 N*m{55 kgf*cm, 48 in.*lbf}


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation



    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Using SST, connect the 2 brake lines to the brake master cylinder sub-assembly.

    SST
    09023-00101
    Torque:
    15 N*m{155 kgf*cm, 11 ft.*lbf}
  1. Engage the clamp and connect the warning switch connector.



14. INSTALL BRAKE MASTER CYLINDER SUB-ASSEMBLY (for 2AD-FHV)
  1. Install a new O-ring to the brake master cylinder sub-assembly.



    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Install the brake master cylinder sub-assembly to the booster assembly with the 2 nuts.

    Torque:
    12.5 N*m{127 kgf*cm, 9 ft.*lbf}


  1. Install the brake actuator assembly to the actuator bracket with the 2 cap nuts.

    Torque:
    5.5 N*m{55 kgf*cm, 48 in.*lbf}


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation



    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Using SST, connect the 2 brake lines to the brake master cylinder sub-assembly.

    SST
    09023-00101
    Torque:
    15 N*m{155 kgf*cm, 11 ft.*lbf}
  1. Engage the clamp and connect the warning switch connector.



15. CONNECT CLUTCH RESERVOIR HOSE (for Manual Transmission)
  1. Connect the clutch reservoir hose with the clamp.



16. INSTALL BRAKE ACTUATOR ASSEMBLY WITH BRACKET (for 4GR-FSE)


  1. Install the actuator assembly with bracket to the body with the 2 bolts and nut.


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation

    Torque:
    19 N*m{195 kgf*cm, 14 ft.*lbf}
    NOTICE:
    Do not to damage the brake tubes.
  1. Install the grommet to the body.

    NOTICE:
    Make sure that the grommet is installed correctly.


  1. Temporarily tighten each brake tube to the correct positions of the brake actuator assembly with bracket as shown in the illustration.


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation

    HINT:
    1. *1: To Front Wheel Cylinder RH
    2. *2: To Front Wheel Cylinder LH
    3. *3: To Rear Wheel Cylinder RH
    4. *4: To Rear Wheel Cylinder LH
    5. *5: From Front Master Cylinder
    6. *6: From Rear Master Cylinder


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Using SST, fully tighten each brake tube.

    SST
    09023-00101
    Torque:
    15 N*m{155 kgf*cm, 11 ft.*lbf}
  1. Connect the actuator connector.

    NOTICE:
    Make sure that the connector is locked securely.


17. INSTALL BRAKE ACTUATOR ASSEMBLY WITH BRACKET (for 2AD-FHV)


  1. Install the actuator assembly with bracket to the body with the 2 bolts and nut.


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation

    Torque:
    19 N*m{195 kgf*cm, 14 ft.*lbf}
    NOTICE:
    Do not to damage the brake tubes.
  1. Install the grommet to the body.

    NOTICE:
    Make sure that the grommet is installed correctly.


  1. Temporarily tighten each brake tube to the correct positions of the brake actuator assembly with bracket as shown in the illustration.


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation

    HINT:
    1. *1: To Front Wheel Cylinder RH
    2. *2: To Front Wheel Cylinder LH
    3. *3: To Rear Wheel Cylinder RH
    4. *4: To Rear Wheel Cylinder LH
    5. *5: From Front Master Cylinder
    6. *6: From Rear Master Cylinder


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Using SST, fully tighten each brake tube.

    SST
    09023-00101
    Torque:
    15 N*m{155 kgf*cm, 11 ft.*lbf}
  1. Connect the actuator connector.

    NOTICE:
    Make sure that the connector is locked securely.


18. INSTALL NO. 3 ENGINE ROOM RELAY BLOCK (for 4GR-FSE)


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Install the No. 3 engine room relay block with the bolt and nut.

    Torque:
    12.5 N*m{127 kgf*cm, 9 ft.*lbf}


19. INSTALL NO. 3 ENGINE ROOM RELAY BLOCK (for 2AD-FHV)


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Install the No. 3 engine room relay block with the bolt and nut.

    Torque:
    12.5 N*m{127 kgf*cm, 9 ft.*lbf}


20. CONNECT BATTERY NEGATIVE TERMINAL


21. ADD BRAKE FLUID


    Lexus Is250, Is220D. Gse20 Ale20
  1. Fill the reservoir with brake fluid.

    Fluid:
    SAE J1703 or FMVSS No. 116 DOT3


22. BLEED MASTER CYLINDER
HINT:
  1. If the master cylinder is reinstalled or if the reservoir becomes empty, bleed the air from the master cylinder.
  2. To prevent paint damage due to brake fluid, cover the painted surface with a shop rag or a piece of cloth.


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Disconnect the 2 brake lines from the master cylinder.

  1. Slowly depress the brake pedal and hold it (*1).



    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Cover the 2 outer holes with fingers, and release the brake pedal (*2).

  1. Repeat (*1) and (*2) 3 or 4 times.

  1. Using SST, connect the brake lines to the master cylinder.

    SST
    09023-00101
    Torque:
    15 N*m{155 kgf*cm, 11 ft.*lbf}


23. BLEED BRAKE LINE
NOTICE:
Bleed the brake line at the wheel furthest from the master cylinder.


    Lexus Is250, Is220D. Gse20 Ale20
  1. Connect the vinyl tube to the bleeder plug.

  1. Depress the brake pedal several times, then loosen the bleeder plug with the pedal depressed (*3).



    Lexus Is250, Is220D. Gse20 Ale20
  1. When fluid no longer comes out, tighten the bleeder plug, then release the brake pedal (*4).

  1. Repeat (*3) and (*4) until all the air in the fluid is completely bled out.

  1. Using SST, tighten the bleeder plug completely.

    SST
    09023-00101
    Torque:
    11 N*m{110 kgf*cm, 8 ft.*lbf}
  1. Repeat the above procedures for each wheel to bleed the air from the brake line.



24. BLEED BRAKE ACTUATOR ASSEMBLY
NOTICE:
After bleeding the air from the brake system, if the correct height or feel of the brake pedal cannot be obtained, bleed the air from the brake actuator assembly with the intelligent tester by following the procedures below.
  1. Depress the brake pedal more than 20 times with the engine switch off.



    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Connect the intelligent tester to the DLC3, then turn the engine switch on (IG).

    NOTICE:
    Do not start the engine.
  1. Turn the intelligent tester power on and select "AIR BLEEDING" on the screen.

    NOTICE:
    1. Refer to the intelligent tester operator's manual for further details.
    2. Bleed the brake actuator assembly by following the steps displayed on the intelligent tester.


  1. Bleed the air from the actuator according to "Step 1: Increase" on the intelligent tester display.

    NOTICE:
    Make sure that the master cylinder reservoir tank does not become empty of brake fluid.



      Lexus Is250, Is220D. Gse20 Ale20
    1. Connect a vinyl tube to either one of the bleeder plugs.

    2. Depress the brake pedal several times, then loosen the bleeder plug connected to the vinyl tube with the pedal depressed (*5).



    3. Lexus Is250, Is220D. Gse20 Ale20
    4. When fluid no longer comes out, tighten the bleeder plug, then release the brake pedal (*6).

    5. Repeat (*5) and (*6) until all the air in the fluid is completely bled.

    6. Using SST, tighten the bleeder plug completely.

      SST
      09023-00101
      Torque:
      11 N*m{110 kgf*cm, 8 ft.*lbf}
    7. Repeat the above procedures for the rest of the wheels to bleed the air from the brake lines.



  1. Bleed the air from the suction line according to "Step 2: Inhalation" on the intelligent tester display.

    NOTICE:
    1. Bleed the suction line by following the steps displayed on the intelligent tester.
    2. Make sure that the master cylinder reservoir tank does not become empty of brake fluid.



      Lexus Is250, Is220D. Gse20 Ale20
    1. Connect a vinyl tube to the bleeder plug at the right front wheel or the right rear wheel and loosen the bleeder plug.

    2. Operate the brake actuator assembly to bleed the air using the intelligent tester (*7).

      NOTICE:
      1. The operation stops automatically in 4 seconds.
      2. At this time, be sure to release the brake pedal.


    3. Lexus Is250, Is220D. Gse20 Ale20
    4. Check that the operation has stopped by referring to the intelligent tester display and tighten the bleeder plug (*8).

    5. Repeat (*7) and (*8) until all the air in the fluid is completely bled out.

    6. Using SST, tighten the bleeder plug completely.

      SST
      09023-00101
      Torque:
      11 N*m{110 kgf*cm, 8 ft.*lbf}
    7. For the rest of the wheels, bleed the air in the same way as stated in the above procedures.



  1. Bleed the air from the pressure reduction line according to "Step 3: Decrease" on the intelligent tester display.

    NOTICE:
    1. Bleed the pressure reduction line by following the steps displayed on the intelligent tester.
    2. Make sure that the master cylinder reservoir tank does not become empty of brake fluid.



      Lexus Is250, Is220D. Gse20 Ale20
    1. Connect a vinyl tube to either one of the bleeder plugs.

    2. Loosen the bleeder plug (*9).

    3. Using the intelligent tester, operate the brake actuator assembly, completely depress the brake pedal and hold it.

      NOTICE:
      1. The operation stops automatically after 4 seconds. When this operation will be repeated continuously, allow an interval of at least 20 seconds between each bleeding operation.
      2. When the operation is completed, the brake pedal will go down slightly. This is a normal phenomenon due to the opening of the solenoid.
      3. During this procedure, the brake pedal will seem heavy. It is necessary to completely depress it, so that brake fluid will come out of the bleeder plug.
      4. Be sure to keep the brake pedal depressed. Never depress and release the pedal repeatedly.


    4. Lexus Is250, Is220D. Gse20 Ale20
    5. Tighten the bleeder plug, then release the brake pedal (*10).

    6. Repeat steps (*9) to (*10) until all the air in the fluid is completely bled out.

    7. Using SST, tighten the bleeder plug completely.

      SST
      09023-00101
      Torque:
      11 N*m{110 kgf*cm, 8 ft.*lbf}
    8. Repeat the above procedures for the rest of the brakes to bleed the air from the brake line.



  1. Bleed the air from the brake line again according to "Step 4: Increase" on the intelligent tester display.

    NOTICE:
    1. Bleed the brake line by following the steps displayed on the intelligent tester.
    2. Make sure that the master cylinder reservoir tank does not become empty of brake fluid.



      Lexus Is250, Is220D. Gse20 Ale20
    1. Connect a vinyl tube to either one of the bleeder plugs.

    2. Depress the brake pedal several times, then loosen the bleeder plug connected to the vinyl tube with the pedal depressed (*11).



    3. Lexus Is250, Is220D. Gse20 Ale20
    4. When fluid no longer comes out, tighten the bleeder plug, then release the brake pedal (*12).

    5. Repeat (*11) and (*12) until all the air in the fluid is completely bled out.

    6. Using SST, tighten the bleeder plug completely.

      SST
      09023-00101
      Torque:
      11 N*m{110 kgf*cm, 8 ft.*lbf}
    7. Repeat the above procedures for each brake to bleed the air from the brake line.

  1. Finish "AIR BLEEDING" on the intelligent tester and turn off the power.

  1. Disconnect the intelligent tester from the DLC3.

  1. Turn the engine switch off.



25. BLEED AIR FROM CLUTCH LINE (for Manual Transmission)


    Lexus Is250, Is220D. Gse20 Ale20
  1. Remove the bleeder plug cap.

  1. Connect a vinyl tube to the bleeder plug.

  1. Depress the clutch pedal several times, and then loosen the bleeder plug with the pedal depressed.

  1. When fluid no longer comes out, tighten the bleeder plug, and then release the clutch pedal.

  1. Repeat the previous 2 steps until all the air in the fluid is completely bled.

  1. Tighten the bleeder plug.

    Torque:
    11 N*m{112 kgf*cm, 8 ft.*lbf}
  1. Install the bleeder plug cap.

  1. Check that all the air has been bled from the clutch line.



26. INSPECT FLUID LEVEL IN RESERVOIR
  1. Check the fluid level and add fluid if necessary.

    Fluid:
    SAE J1703 or FMVSS No. 116 DOT3
    HINT:
    If fluid leaks, tighten or replace the leaking part.


27. CHECK FOR BRAKE FLUID LEAKAGE


28. INSPECT AND ADJUST BRAKE PEDAL HEIGHT


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Check the brake pedal height.

    Pedal height from asphalt sheet (AT for LHD):
    151.8 to 161.8 mm (5.976 to 6.370 in.)
    Pedal height from asphalt sheet (AT for RHD):
    147.0 to 157.0 mm (5.787 to 6.181 in.)
    Pedal height from asphalt sheet (MT for LHD):
    146.6 to 156.6 mm (5.772 to 6.165 in.)
    Pedal height from asphalt sheet (MT for RHD):
    154.0 to 164.0 mm (6.063 to 6.457 in.)


  1. Adjust brake pedal height.

    1. Disconnect the connector from the stop light switch assembly.

    2. Loosen the stop light switch lock nut. Turn the switch in order to give the pedal some free play.

    3. Remove the brake booster assembly. (Click here)



    4. Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
    5. Loosen the push rod lock nut, turn the push rod clevis and adjust dimension "A" shown in the illustration.

      Dimension "A":
      146.2 to 147.2 mm (5.756 to 5.795 in.)
    6. Tighten the push rod lock nut.

      Torque:
      26 N*m{265 kgf*cm, 19 ft.*lbf}
    7. Install the brake booster assembly. (Click here)



    8. Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
    9. Turn the stop light switch assembly so that the clearance between the switch and the area where the pedal makes contact is between 0.5 and 2.4 mm (0.020 to 0.095 in.). Tighten the lock nut.

      Torque:
      17 N*m{170 kgf*cm, 12 ft.*lbf}
    10. Connect the connector to the stop light switch assembly.



29. INSPECT PEDAL FREE PLAY
  1. Stop the engine and depress the brake pedal several times until no vacuum is left in the booster.



    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Press the pedal until a slight resistance is felt. Measure the distance as shown in the illustration.

    Pedal free play:
    1.0 to 2.0 mm (0.039 to 0.079 in.)
    If the pedal free play is 1.0 mm (0.039 in.) or less, check the protrusion of the stop light switch assembly shaft.
    Protrusion of the stop light switch assembly shaft:
    0.5 to 2.4 mm (0.020 to 0.095 in.)
    If the protrusion is not within the specified range, adjust it.
    If the protrusion of the stop light switch is within the specified range, and the brake pedal free play is 1.0 mm (0.039 in.) or less, the brake pedal free play can be considered acceptable.


30. INSPECT PEDAL RESERVE DISTANCE


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Release the parking brake pedal.

  1. With the engine running, depress the pedal and measure the pedal reserve distance as shown in the illustration.

    Pedal reserve distance from asphalt sheet at 490 N (50 kgf, 110 lbf):
    4GR-FSE, AT, for LHD:
    More than 108 mm (4.25 in.)
    4GR-FSE, AT, for RHD:
    More than 104 mm (4.09 in.)
    4GR-FSE, MT, for LHD:
    More than 104 mm (4.09 in.)
    4GR-FSE, MT, for RHD:
    More than 110 mm (4.33 in.)
    2AD-FHV, MT, for LHD:
    More than 103 mm (4.06 in.)
    2AD-FHV, MT, for RHD:
    More than 108 mm (4.25 in.)
    If incorrect, troubleshoot the brake system. (Click here)


31. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait for 90 seconds after disconnecting the terminal to prevent airbag deployment.


32. INSTALL DRIVER SIDE KNEE AIRBAG ASSEMBLY


33. INSTALL LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20
  1. Connect the connectors.

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



34. INSTALL NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Connect the connectors.

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

  1. Engage the 2 claws.

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



35. INSTALL INSTRUMENT SIDE PANEL LH


    Lexus Is250, Is220D. Gse20 Ale20
  1. Engage the 5 claws and 3 clips, and then install the side instrument panel LH.



36. INSTALL INSTRUMENT SIDE PANEL RH


    Lexus Is250, Is220D. Gse20 Ale20
  1. Engage the 5 claws and 3 clips, and then install the side instrument panel RH.



37. INSTALL FRONT DOOR OPENING TRIM COVER LH


    Lexus Is250, Is220D. Gse20 Ale20
  1. Engage the 6 claws and install the front door opening trim cover LH.



38. INSTALL FRONT DOOR OPENING TRIM COVER RH


    Lexus Is250, Is220D. Gse20 Ale20
  1. Engage the 6 claws and install the front door opening trim cover RH.



39. INSTALL FRONT DOOR SCUFF PLATE LH


40. INSTALL FRONT DOOR SCUFF PLATE RH


41. INSTALL FRONT WHEEL
Torque:
103 N*m{1,050 kgf*cm, 76 ft.*lbf}


42. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY (for 4GR-FSE)


    Lexus Is250, Is220D. Gse20 Ale20
  1. Engage the 11 claws.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Install the cowl top ventilator louver sub-assembly with the 2 clips.



43. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY (for 2AD-FHV)


    Lexus Is250, Is220D. Gse20 Ale20
  1. Engage the 11 claws.



    Lexus Is250, Is220D. Gse20 Ale20
  1. Install the cowl top ventilator louver sub-assembly with the 2 clips.



44. INSTALL WINDSHIELD WIPER ARM AND BLADE ASSEMBLY RH (for 4GR-FSE)
  1. Operate the wiper, and stop the windshield wiper motor at the automatic stop position.



    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Clean the wiper arm serrations.

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



    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. 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.
    Area
    Measurement
    A
    18.5 to 33.5 mm (0.73 to 1.32 in.)
    B
    Approx. 20 mm (0.79 in.)
  1. 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.



45. INSTALL WINDSHIELD WIPER ARM AND BLADE ASSEMBLY RH (for 2AD-FHV)
  1. Operate the wiper, and stop the windshield wiper motor at the automatic stop position.



    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Clean the wiper arm serrations.

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



    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. 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.
    Area
    Measurement
    A
    18.5 to 33.5 mm (0.73 to 1.32 in.)
    B
    Approx. 20 mm (0.79 in.)
  1. 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.



46. INSTALL WINDSHIELD WIPER ARM AND BLADE ASSEMBLY LH (for 4GR-FSE)
  1. Operate the wiper, and stop the windshield wiper motor at the automatic stop position.



    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Clean the wiper arm serrations.

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



    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. 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.
    Area
    Measurement
    A
    15 to 30 mm (0.59 to 1.18 in.)
    B
    Approx. 40 mm (1.57 in.)


47. INSTALL WINDSHIELD WIPER ARM AND BLADE ASSEMBLY LH (for 2AD-FHV)
  1. Operate the wiper, and stop the windshield wiper motor at the automatic stop position.



    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Clean the wiper arm serrations.

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



    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. 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.
    Area
    Measurement
    A
    15 to 30 mm (0.59 to 1.18 in.)
    B
    Approx. 40 mm (1.57 in.)


48. INSTALL FRONT WIPER ARM HEAD CAP (for 4GR-FSE)


    Lexus Is250, Is220D. Gse20 Ale20
  1. Install the front wiper arm head cap.

    HINT:
    Use the same procedures for the RH side and the LH side.


49. INSTALL FRONT WIPER ARM HEAD CAP (for 2AD-FHV)


    Lexus Is250, Is220D. Gse20 Ale20
  1. Install the front wiper arm head cap.

    HINT:
    Use the same procedures for the RH side and the LH side.


50. INSTALL ROOF DRIP SIDE FINISH MOULDING RH


51. INSTALL ROOF DRIP SIDE FINISH MOULDING LH


52. INSTALL FRONT UPPER FENDER PROTECTOR RH (for 4GR-FSE)
HINT:
Use the same procedures for the RH side and the LH side.


53. INSTALL FRONT UPPER FENDER PROTECTOR RH (for 2AD-FHV)
HINT:
Use the same procedures for the RH side and the LH side.


54. INSTALL FRONT UPPER FENDER PROTECTOR LH (for 4GR-FSE)


    Lexus Is250, Is220D. Gse20 Ale20
  1. Engage the claw and the 3 clips, then install the front upper fender protector LH.

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



55. INSTALL FRONT UPPER FENDER PROTECTOR LH (for 2AD-FHV)


    Lexus Is250, Is220D. Gse20 Ale20
  1. Engage the claw and the 3 clips, then install the front upper fender protector LH.

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



56. INSTALL ENGINE ROOM SIDE COVER RH (for 4GR-FSE)


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Install the side cover with the 2 clips.



57. INSTALL ENGINE ROOM SIDE COVER LH (for 4GR-FSE)


    Lexus Is250, Is220D. Gse20 Ale20.Brake.Brake System.Brake Pedal  Installation
  1. Install the side cover with the 5 clips.



58. INSTALL ENGINE ROOM SIDE COVER RH (for 2AD-FHV)


    Lexus Is250, Is220D. Gse20 Ale20
  1. Install the side cover with the 2 clips.



59. INSTALL ENGINE ROOM SIDE COVER LH (for 2AD-FHV)


    Lexus Is250, Is220D. Gse20 Ale20
  1. Install the side cover with the 4 clips.



60. INSTALL COOL AIR INTAKE DUCT SEAL (for 4GR-FSE)


    Lexus Is250, Is220D. Gse20 Ale20
  1. Install the intake duct seal with the 11 clips.



61. INSTALL COOL AIR INTAKE DUCT SEAL (for 2AD-FHV)


    Lexus Is250, Is220D. Gse20 Ale20
  1. Install the intake duct seal with the 11 clips.



62. CONNECT BATTERY NEGATIVE TERMINAL


63. CHECK AND CLEAR DTC
HINT:
(Click here)


64. INSPECT VSC SENSOR SIGNAL
  1. Inspect the VSC sensor signal.

    HINT:
    1. without VDIM (Click here)
    2. with VDIM (Click here)


65. INSPECT ACTUATOR WITH INTELLIGENT TESTER
HINT:
(Click here)


66. INSPECT SRS WARNING LIGHT
HINT:
(Click here)


67. PERFORM INITIALIZATION
Some systems need initialization after reconnecting the battery negative terminal (Click here).