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Home >> Porsche >> 2003 >> 911 Carrera 4S, Standard >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Anti-Lock Brake System (Abs) - 5.3 & Abs/TC 5.3, Diagnosis - 911 CARRERA (996) >> Introduction, - as of MY 2002 >> Control unit function - as of MY 2002 >> Swap test

Swap test

NOTE: This test must be carried out after the hydraulic unit has been exchanged.

The swap test is used to check the allocation of the brake pressure lines to the wheel brake cylinders. A hydraulic and an electrical test are carried out.

Procedure:

NOTE: If a question is answered with No, the Porsche System Tester II 9588 will abort the test!
  1. Using the Porsche System Tester II 9588, select the menu item Swap test.
  2. Using the up and down keys, select an area (e.g. Hydraulics, front left).
  3. Then press the "F8" Start key.
  4. Press the "FORWORD" key, then actuate the brake and keep it actuated during the entire test.
  5. Then press the "FORWORD" key. Check whether the front left wheel can be turned while all the others are blocked. Confirm with the relevant key (Yes /No ) and the "FORWORD" key.
  6. Check whether all the wheels are now blocked.

    Confirm with the relevant key (Yes /No ) and the "FORWORD" key.

  7. Check whether the front left wheel can now be turned while all the others are blocked. Confirm with the relevant key (Yes /No) key.
  8. Check whether all the wheels are now blocked.

    Confirm with the relevant key (Yes /No ) and the "FORWORD" key.

  9. Release the brake and continue with Step  2 in a different area.
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