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Home › Saab › 1995 › 9000 CDE › Repair and Diagnosis (Single Page) › Engine Performance › Theory and Operation › Engine Controls - Theory & Operation - 3.0L V6 › Computerized Engine Controls › Engine Control Module (MOTRONIC Engine Control System)

Engine Control Module (MOTRONIC Engine Control System)

The ECM, located on the left side of the engine compartment, controls all engine functions: fuel injection, ignition timing, idle speed, emission control, combustion analysis and self-diagnostics. Knock sensor functions are provided separate knock sensors located in each exhaust manifold.

NOTE: Components are grouped into 2 categories. The first category is INPUT DEVICES  , which are components that control or produce voltage signals monitored by the control unit. The second category is OUTPUT SIGNALS  , which are components controlled by the control unit.
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