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Home >> Audi >> 2012 >> S4 Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 3.0L - Generic Scan Tool - Engine Code(S): CCBA, CGXC & CTUB (General Information - Diagnostic Modes) (Sedan) >> St Generic Scan Tool >> Description And Operation >> Engine Control Module

Engine Control Module

The ECM receives input from sensors and other electronic components (switches, relays). Based on the information received and software programmed into its memory, the ECM generates output signals to control various relays, solenoids and actuators. fuel injection, throttle valve control module, ignition, as well as other OBD functions. For locations, removal / installation procedures, refer to the repair information.