Passat Sedan 4Motion W8-4.0L (BDP) (2002)
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Vacuum Pump: Testing and Inspection
Checking brake vacuum pump -V192-
Special tools and equipment
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VAS 5051 Vehicle diagnosis, testing and information system
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Diagnosis cable VAS 5051/1 or VAS 5051/3
Work sequence
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With ignition switched off, connect tester VAS 5051 to diagnosis cable VAS 5051/1 or VAS 5051/3.
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Switch on tester -arrow-.
Now the tester requires approximately 3 minutes to warm up.
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Switch on ignition.
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Select mode of operation: press button on touch screen for "On Board Diagnostic (OBD)".
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Select vehicle system: select "01 - Engine electronics" on display.
The control module identification and the coding are indicated in the upper right-hand corner of the display.
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Select diagnostic function: at this point, all diagnostic functions are available.
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Select "04 - Basic setting" on the display.
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Press keys 0, 0 and 8
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Confirm entry with key Q.
Displayed on the screen:
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Depress brake pedal hard several times in concession until the test is activated.
Displayed on the screen:
