Touareg V6-3.2L (BMX) (2005)
Air Injection Control Valve: Testing and Inspection
Combination Valve, Checking
Diagnostic Procedures
Combination Valve, Checking
Special tools, testers and auxiliary items required
‹› Hand Vacuum Pump (VAG1390)
Test requirements
‹› No leaks in vacuum lines or hose connections.
‹› Vacuum hoses not clogged or kinked
‹› Pressure and intake hose for Secondary Air Injection (AIR) Pump Motor not clogged or kinked.
‹› Ignition switched off.
Test sequence
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Disconnect vacuum hose from Secondary Air Injection (AIR) Solenoid Valve (N112) at combination valve (arrow).
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Connect hand vacuum pump ((VAG1390)) to vacuum connection of combination valve (arrow).
‹› Do not use pressurized air for the following test!