LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 1985 >> Jimmy 6.2 C >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> CCC Theory/Operation >> Operation >> Electronic Control Module (ECM) Operation >> Central Processing Unit (CPU)

Central Processing Unit (CPU)

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

scientia non olet · About LEMON Manuals