LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Saturn >> 2000 >> LS2 Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Control System - Theory & Operation >> Computerized Engine Controls >> Powertrain Control Module >> Central Processing Unit
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Central Processing Unit

Digital signals received by the Central Processing Unit (CPU) are used to perform all mathematical computations and logic functions necessary to deliver proper air/fuel mixture. CPU also calculates spark timing and idle speed. The CPU commands operation of emission control, "closed loop" fuel control and diagnostic system.

scientia non olet · About LEMON Manuals