saab Workshop Repair Guides

Saab Workshop Service and Repair Manuals

Ionization Current Measurement|Page 6398 > < Ionization Current Measurement|Page 6396
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Combustion signals, misfiring detection

The combustion signals are also used to detect misfiring, i.e. no combustion or poor combustion.

Knock detection

CDM analyses the ionization signals from pin 4 on the respective ignition coils.

Ionization Current Measurement|Page 6398 > < Ionization Current Measurement|Page 6396