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Home >> Volkswagen >> 2004 >> GTI VR6 >> Repair and Diagnosis >> External Pages >> Different car >> Section 103 (1.9L - Fuel Injection Glow Plug, Engine Code ALH, From My 2002 (A4 Platform)) >> 23 Diesel Fuel Injection >> Additional signals, checking >> Engine speed signal, checking >> Notes

Engine speed signal, checking: Notes

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The engine speed sensor signal cannot be used further in its direct form, therefore it is processed by the engine control unit for further consumers. The signal is required, by amongst other things, the automatic gearbox control unit to calculate gear changes and the rev counter in the dash panel.

Special tools, testers and auxiliary items required