Fig. 389: Connect Test Hose To Valve Connection
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Connect test hose to valve connection marked with an -
arrow
-.
Start output Diagnostic Test Mode and actuate Secondary Air Injection (AIR) solenoid valve N112.
Indicated on display
Valve must click...
..and must open and close (can be checked by blowing into test hose).
If valve does not click:
Check internal resistance of valve.
If valve does not open or close properly:
Replace Secondary Air Injection (AIR) solenoid valve N112.
Checking internal resistance
Output Diagnostic Test Mode -->
Secondary Air Injection solenoid valve -N112
2005 Audi A4 Quattro
ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
2:39:05 AM
Page 37
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