Q7 Quattro V8-4.2L (BAR) (2008)
Variable Induction Position Sensor: Testing and Inspection
Intake Manifold Runner Position Sensor, Checking
Intake Manifold Runner Position Sensor, Checking
Special tools, testers and auxiliary items required
‹› Multimeter.
‹› Wiring diagram.
Test requirements
‹› The Intake Manifold Runner Position Sensor (G336) fuse OK.
‹› the Engine Component Power Supply Relay (J757) 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 -.
‹› The Intake manifolds have been removed for clarity.
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Disconnect the Intake Manifold Runner Position Sensor (G336) electrical harness connector - 2 -.