Tests Note

Operation of the pump is regulated by means of the ignition key for testing purposes.

Position 0 = Pump off

Position 1 = Pump on until switched off by the pressure warning switch.

- In Ignition key position 0, plug the electrical plug onto the pump. Locate the pressure gauge in a position where it can be seen.

- For the tests, it is expedient to observe the following sequence:

a. Pressure accumulator - Gas filling pressure b. Switching points for the brake pressure warning lamp c. Cut-in and cut-out points of the pump d. Leak test

- Turn the ignition key to position 1 (pump starts up).

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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