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Valve test

Valve test

Explanation of valve test


1. Select VALVE TEST from the ACTIVATE menu.

Important

The test can be carried out only if the car is stationary.


2. Rotate the wheel by hand. The wheel should rotate freely. If you respond YES, the intake valve and passage from the master cylinder to the wheel cylinder is closed.

3. The inlet valve is closed. The valve has moved to the HOLDING PRESSURE position. The passage is closed and there is no brake pressure on the wheels.

4. The wheel should rotate freely. If you respond YES, the intake valve and passage are opened. Brake pressure can go to the wheels.

5. The wheel should be locked If you respond with YES, the outlet valve opens and the return pump starts. Brake fluid pressure returns from the wheel cylinder with the aid of the return pump.

6. The wheel should rotate freely.

7. The last display shows that the test has been completed.

8. If a fault arises while the test is in progress or you answer NO to any of the questions, this display will be shown.