Operation CHARM: Car repair manuals for everyone.

Pulse Generator, Cylinder Reference Point

Pulse Generator, Cylinder Reference Point:

Check function:

•M• 22 - Connect terminals for oscilloscope to component connector and operate engine at idle speed. An AC voltage characteristic curve with positive and negative half-wave should appear on the display screen.

As soon as the cylinder reference signals are detected during normal operation, the system switches over to semisequential injection. Only parallel injection is possible in diagnostic mode.

Resistance test:

The resistance can be measured directly at the component connector (at the connector strip for injector valves). For wiring diagram, refer to Diagrams / Electrical. For technical data, see - Technical Data -.