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Home >> Subaru >> 2008 >> Outback Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 60 (Anti-Lock Brake Control System - Vehicle Dynamics Control (VDC)) >> VDC Control Module and Hydraulic Control Unit (VDCCM&H/U) >> Inspection >> Check Hydraulic Unit VDC Operation With Brake Tester
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Check Hydraulic Unit VDC Operation With Brake Tester

WARNING: This page is about a different car, the 2006 Subaru Outback and 2006 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
  1. Set wheels other than the one to measure free rollers.
  2. Prepare to operate the VDC sequence control.

    < Ref. to VDC SEQUENCE CONTROL . >

  3. Set the front wheels or rear wheels on the brake tester and set the select lever position to the "N" range.
    Fig 1: Setting Front Wheels On Brake Tester
    G04994794
    Fig 2: Setting Rear Wheels On Brake Tester
    G05020269
  4. Operate the brake tester.
  5. Perform VDC sequence control.

    < Ref. to VDC SEQUENCE CONTROL . >

  6. When the hydraulic unit begins to work, check the following work sequence.
    1. The FL wheel performs compression, hold and decompression in sequence, and subsequently the FR wheel repeats the cycle.
    2. The RR wheel performs compression, hold and decompression in sequence, and subsequently the RL wheel repeats the cycle.
  7. Read values indicated on the brake tester and check if the fluctuation of the values between decompression and compression meets specification.
    WHEEL SPECIFICATION

      Front wheel Rear wheel
    When pressurized 2,000 N (203 kgf, 447 lb) or more 2,000 N (203 kgf, 447 lb) or more
    When depressurized 500 N (51 kgf, 112 lb) or less 500 N (51 kgf, 112 lb) or less
  8. After the inspection, depress the brake pedal and check that it is not abnormally hard, and tightness is normal.