LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Saab >> 1989 >> 9000 CD, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Theory/Operation >> Computerized Engine Controls >> Input Devices >> Engine Speed
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Speed

The engine speed signal is generated by an electronic (Hall Effect) ignition sensor. The low voltage ignition primary pulses are monitored at low tension side of ignition coil. Injection timing is regulated by this signal. Also used as input to APC and AIC systems.

scientia non olet · About LEMON Manuals