LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2000 >> GS 400 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Operation >> Engine Control Module
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Control Module

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.