R8 Quattro Coupe V10-5.2L (BUJ) (2010)
Variable Induction Control Valve: Testing and Inspection
Intake Manifold Runner Control Valve, Checking
Intake Manifold Runner Control Valve, Checking
Special tools, testers and auxiliary items required
‹› Multimeter.
‹› Wiring diagram.
Test requirements
‹› Fuse (SC7) OK.
‹› The Motronic Engine Control Module (ECM) Power Supply Relay (J271) 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.
‹› A/C switched off.
‹› The fuel tank at least 1/4 filled.
‹› The ignition switched off.
Test procedure
-
Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] See: Computers and Control Systems/Testing
and Inspection/Scan Tool Testing and Procedures/Preliminary Check.
Start diagnosis
-
Remove the engine compartment trim.
-
Remove the engine cover - 2 -.
-
Remove the air filter housing bolts - arrows -.
-
Remove the air guide hoses - 1 - and - 6 - from the air filter housing.