New Beetle L4-2.0L (AVH) (2005)
Air Injection Control Valve: Testing and Inspection
Combination Valve, Checking - I
Combination Valve, Checking
Combination valve with vacuum connection
Engine code AEG up to 05.99
Special tools, testers and auxiliary items required
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Hand vacuum pump VA.G1390
Requirements
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No faults (DTCs) stored in Diagnostic Trouble Code (DTC) memory. See: Computers and Control Systems/Engine Control Module/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes
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Final control diagnosis performed. See: Computers and Control Systems/Testing and Inspection/Programming and Relearning
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Vacuum lines and hose connections free of leaks.
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Vacuum lines not blocked/kinked.
Work sequence
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Remove engine cover.
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Pull vacuum hose -1 - off Secondary Air Injection (AIR) solenoid valve -N112- -1
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Connect hand vacuum pump VA.G1390 to vacuum hose -1 -.
NOTE: Do not use compressed air during the following check.
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Disconnect pressure hose from secondary air pump motor.
NOTE: To disconnect the hose press corrugated areas of ring together.
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Blow lightly into pressure hose - arrow -.
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Combination valve must be closed
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Operate hand vacuum pump.