S6 Quattro Sedan V10-5.2L (BXA) (2007)
Camshaft Position Sensor: Testing and Inspection
Camshaft Position Sensor, Checking
Camshaft Position Sensor
The following procedure is used to diagnose Camshaft Position (CMP) Sensor (G40) which is controlled by Motronic Engine Control Module (ECM)
(J623).
‹› Use only gold-plated when servicing the electrical harness connector terminals of the Camshaft Position (CMP) Sensor (G40).
Special tools, testers and auxiliary items required
‹› Multimeter.
‹› Wiring diagram.
Test requirements
‹› The Motronic Engine Control Module (ECM) (J623) fuses OK.
‹› Battery voltage at least 12.5 volts.
‹› All electrical consumers such as, lights and rear window defroster, switched off.
‹› Vehicles with automatic transmission, shift selector lever into position " P" or "N".
‹› A/C switched off.
‹› Ground (GND) connections between engine/transmission/chassis OK.
‹› Ignition switched off.
Procedure
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Disconnect the Camshaft Position (CMP) Sensor (G40) electrical harness connector - 3 -.
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Switch the ignition on.
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Using a Multimeter, Check the Camshaft Position (CMP) Sensor (G40) electrical harness connector terminals 1 to 3 for voltage.