1. Review 11, 12, 13, 14, 15, 21, 22, 31, 32, 41 , 2. Disconnect and plug connection 5 (Y11 - switchover valve block) from the vacuum distribution block (36). 3. Connect vacuum/pressure tester to the disconnected pneumatic line. 4. Permissible leakage of the actuators with pneumatic lines at 400 mbar vacuum per minute is 30 mbar. 5. Using the left display pushbutton on N22, the test steps are selected, see 33

Test equipment; See MBUSA Standard Service Equipment Program

Description	Brand, model, etc.
Plug	000 987 29 45
Connector	129 800 95 15