S6 Quattro Sedan V10-5.2L (BXA) (2007)
Air Injection Vacuum Control Solenoid Valve: Testing and Inspection
Secondary Air Injection Solenoid Valve, Checking
Special tools, testers and auxiliary items required
‹› Multimeter.
‹› Wiring diagram.
Test requirements
‹› The Engine Component Power Supply Relay (J757) OK.
‹› The fuel filter OK.
‹› The parking brake engaged.
‹› The battery voltage at least 12.5 V.
‹› The selector lever of automatic transmission in position "P" or " N".
‹› All electrical consumers switched off (radiator fan must NOT run during test).
‹› A/C switched off.
‹› The fuel tank at least 1/4 filled.
‹› The ignition switched off.
Procedure
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Disconnect the Secondary Air Injection (AIR) Solenoid Valve (N112) electrical harness connector - 4 -.
Checking internal resistance
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Using a Multimeter , check the Secondary Air Injection (AIR) Solenoid Valve (N112) terminals for resistance