RPM signal, checking: Notes
WARNING: This page is about a different car, the 2006 Volkswagen Golf, 2005 Volkswagen Jetta, 2005 Volkswagen Golf, 2004 Volkswagen Jetta, and 2004 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.
Function
The engine speed (RPM) signal is output via contact 27 on the engine control module. The signal is required, among others, by the automatic transmission control module to calculate the gear change points and for rev counter in the instrument cluster.
Special tools, testers and auxiliary items required
- Test box V.A.G 1598/31
- Adapter set V.A.G 1594
- Multimeter V.A.G 1526 or Multimeter V.A.G 1715
- Wiring diagram