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Home >> Volkswagen >> 2012 >> Passat TDI SE, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (2.0L - Generic Scan Tool - Engine Code: CVCA) >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Camshaft Position Sensor -G40-, CHECKING >> Function
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Camshaft Position Sensor -G40-, CHECKING: Function

WARNING: This page is about a different car, the 2015 Volkswagen Passat. However, it is still accessible from the selected car via links, so may be relevant.

Using the signal from the Camshaft Position Sensor -G40-, the precise position of the camshaft relative to the crankshaft is determined very quickly when the engine is started. Used in combination with the signal from the Engine Speed Sensor -G28-, the signal from the Camshaft Position Sensor -G40- allow to detect which cylinder is at TDC. The fuel can be injected into the corresponding cylinder and ignited.

Special tools and workshop equipment required 

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