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Home >> Lexus >> 2000 >> SC 300 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Operation >> Engine Control Module

Engine Control Module

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Cruise control function has been integrated with the Engine Control Module (ECM). ECM controls throttle control motor based on various inputs. If a system fault occurs, ECM will store a Diagnostic Trouble Code (DTC) that can be retrieved to aid in diagnosis.