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Home >> Saturn >> 2007 >> Vue Green Line >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Engine Controls - Introduction) >> Description and Operation >> Electronic Ignition (EI) System Description >> Engine Control Module (ECM)

Engine Control Module (ECM)

WARNING: This page is about a different car, the 2005 Saturn L300. However, it is still accessible from the selected car via links, so may be relevant.

The ECM controls all ignition system functions, and constantly corrects the basic spark timing. The ECM monitors information from various sensor inputs that include the following:

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