S8 Quattro Sedan V10-5.2L (BSM) (2009)
Variable Induction Position Sensor: Testing and Inspection
Intake Manifold Runner Position Sensor, Checking
Diagnostic Procedures
Intake Manifold Runner Position Sensor, Checking
Special tools, testers and auxiliary items required
‹› Multimeter.
‹› Wiring diagram.
Test requirements
‹› The Engine Control Module (ECM) (J623) fuses 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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Remove the front engine cover - 1 -.
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Disconnect the Intake Manifold Runner Position Sensor (G336) electrical harness connector - 1 -.