Computer Command Control: Operation: Notes

The CCC system consists of the following sub-systems: Fuel control, data sensors, Electronic Control Module (ECM), spark timing, Idle Speed Control (ISC) system (all carbureted models and Cadillac 4.1 L V8), Idle Air Control (IAC) system (all fuel injected models, except Cadillac 4.1L V8), emission control, Torque Converter Clutch (TCC), diagnostic system and catalytic converter.