Toyota Highlander Hybrid 6 2005-06

Bleeding the ABS System

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Refer to the bleeding procedures located at the beginning of this section.

Bleeding The Actuator Assembly




NOTE
After bleeding the air from the brake system, if the height or feel of the brake pedal cannot be obtained, perform air bleeding in the brake actuator assembly with a hand-held tester by following the procedures below.

  1. Depress the brake pedal more than 20 times with the engine off.
  2.  
  3. Connect the hand-held tester to the DLC3, then turn the ignition switch to the ON position, but do NOT start the engine.

    Click image to see an enlarged view

    Fig. Connect a suitable hand-held tester to the DLC3 to bleed the actuator assembly

  4.  
  5. Select -AIR BLEEDING- on the hand-held tester.
    NOTE
    Refer to the hand-held tester operator-s manual for more details.

  6.  
  7. Bleed the air out of the regular brake line when -Step 1: Increase- appears on the hand-held tester display, as follows:
    NOTE
    Bleed the air by following the steps displayed on the hand-held tester. Make sure that the brake fluid in the master cylinder reservoir tank does not become empty.

    1. Connect the vinyl tube to either one of the bleeder plugs.
    2.  
    3. Have an assistant depress the brake pedal several times, then loosen the bleeder plug connected to the vinyl tube with the pedal depressed.
    4.  
    5. When fluid stops coming out, tighten the bleeder plug and release the brake pedal.
    6.  
    7. Repeat the previous 2 steps until all the air in the fluid is completely bled out.
    8.  
    9. Tighten the bleeder plug completely to 73 inch lbs. (8.3 Nm).
    10.  
    11. Repeat the above procedures for each wheel to bleed the air out of the brake line.
    12.  

  8.  
  9. Bleed the air out of the suction line when -Step 2: Inhalation- appears on the hand-held tester display, as follows:
    NOTE
    Bleed the air by following the steps displayed on the hand-held tester. Make sure that the brake fluid in the master cylinder reservoir tank does not become empty.

    1. Connect the vinyl tube to the bleeder plug at the right front wheel or the right rear wheel and loosen the bleeder plug.
    2.  
    3. Operate the brake actuator assembly to bleed the air using the hand-held tester.
      NOTE
      This operation stops automatically after 4 seconds. At this time, be sure to release the brake pedal.

    4.  
    5. Check if the operation has stopped by referring to the hand-held tester display.
    6.  
    7. Repeat the previous 2 steps until all air in the fluid is completely bled out.
    8.  
    9. Tighten the bleeder plug completely to 73 inch lbs. (8.3 Nm).
    10.  
    11. Repeat the above procedures to bleed the air out of the brake line for each wheel.
    12.  

  10.  
  11. Bleed the air out of the pressure reduction line when -Step 3: Decrease- appears on the hand-held tester display, as follows:
    NOTE
    Bleed the air by following the steps displayed on the hand-held tester. Make sure that the brake fluid in the master cylinder reservoir tank does not become empty.

    1. Connect a vinyl tube to either one of the bleeder plugs.
    2.  
    3. Loosen the bleeder plug.
    4.  
    5. Using the hand-held tester, operate the brake actuator assembly, completely depress the brake pedal and keep it depressed.
      NOTE
      The operation stops automatically after 4 seconds. When performing this procedure continuously, set an interval of at least 20 seconds. When the operation is complete, the brake pedal goes down slightly. This is a normal phenomenon caused when the solenoid opens. During this procedure, the pedal will feel heavy, but completely depress it so that the brake fluid comes out from the bleeder plug. Be sure to keep depressing the brake pedal. Do not depress and release the pedal repeatedly.

    6.  
    7. Tighten the bleeder plug, then release the brake pedal.
    8.  
    9. Repeat the previous 3 steps until all the air in the fluid is completely bled out.
    10.  
    11. Tighten the bleeder plug completely to 73 inch lbs. (8.3 Nm).
    12.  
    13. Repeat the above procedures for each wheel to bleed the air out of the brake line.
    14.  

  12.  
  13. Bleed the air out of the regular brake line again when -Step 4: Increase- appears on the hand-held tester display, as follows:
    NOTE
    Bleed the air by following the steps displayed on the hand-held tester. Make sure that the brake fluid in the master cylinder reservoir tank does not become empty.

    1. Connect the vinyl tube to either one of the bleeder plugs.
    2.  
    3. Depress the brake pedal several times, then loosen the bleeder plug connected to the vinyl tube with the pedal depressed.
    4.  

  14.  
  15. When fluid stops coming out, tighten the bleeder plug, then release the brake pedal.
    1. Repeat the previous 2 steps until all the air in the fluid is completely bled out.
    2.  
    3. Tighten the bleeder plug completely to 73 inch lbs. (8.3 Nm).
    4.  
    5. Repeat the above procedures for each wheel to bleed the air out of the brake line.
    6.  

  16.  
  17. Check the fluid level and add fluid if necessary. Use SAE J1703 or FMVSS No. 116 DOT3 Brake fluid
  18.  

Highlander Hybrid



Bleeding the ABS is covered under the Bleeding Procedure located at the beginning of this section.

 
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