A8L Quattro Sedan V8-4.2L (BVJ) (2007)
Variable Induction Control Actuator: Testing and Inspection
Variable Intake Manifold Runner Motor, Checking
Variable Intake Manifold Runner Motor, Checking
Special tools, testers and auxiliary items required
‹› Multimeter.
‹› Wiring diagram.
Test requirements
‹› Fuse (SC8) 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.
Test procedure
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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
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Remove the front engine cover - arrows -.
Checking voltage supply
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Disconnect the Variable Intake Manifold Runner Motor (V183) electrical harness connector - 4 -.