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Checking secondary air pump motor > < Engine code AQY

Golf Mk4

Engine code AZH
Engine code AZH
Test prerequisites
l  No faults in fault memory: → Rep. Gr.01.
l  Final control diagnosis has been performed → Rep. Gr.01.
l  Hose connections must be free of leaks.
Test procedure
  Note
Do not use compressed air during the following check!
–  Remove engine cover.
   
–  Remove pressure hose -arrow- on secondary air pump motor -V101-.
  Note
To release, press buttons on hose coupling together.
–  Gently blow into pressure hose to combination valve. Combination valve must be closed.
–  Blow with force into pressure hose to combination valve. Combination valve must open.
If the combination valve does not open, or is constantly open:
–  Renew combination valve.
  N26-0394

Checking secondary air pump motor > < Engine code AQY