GTI GLS L4-1.8L Turbo (AWW) (2001)
Air Injection Control Valve: Testing and Inspection
Secondary Air Injection (Air) Solenoid Valve Checking
Secondary Air Injection (AIR) solenoid valve -N112-, checking
Special tools, workshop equipment, testers, measuring instruments and auxiliary items required.
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V.A.G. 1390 Hand vacuum pump
Check condition
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Not DTCs must be stored in DTC memory.
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Carry out Output Diagnosis Test Mode (DTM).
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Vacuum pipes and hose connections free of leaks.
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Vacuum pipes not blocked/kinked.
Test sequence
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Pull vacuum hose -1- off secondary air intake valve -2- (N112).
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Connect hand vacuum pump V.A.G. 1390 to vacuum hose -1-.
Note:
Do not use compressed air during the following check!