AUX AUDI A4 1996 B5 / 1.G AWM Engine Secondary Air System Workshop Manual

26-49


- Connect auxiliary hose to valve connector marked with an arrow.
- Initiate output Diagnostic Test Mode (DTM) and activate secondary air
injection solenoid valve -N112-.
Output Diagnostic Test Mode Secondar
y air in
jection solenoid valve -N112-

Display:
If the injector does not click:
If valve does not open or close properly:
The valve should click ... ... and should open and close (check by blowing into the auxiliary
hose).
- Check internal resistance of valve.
- Replace secondary air injection solenoid valve -N112-.
Pa
ge 9 of 26 Secondar
y air s
ystem
11/21/2002 htt
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