LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 1985 >> Jimmy 5.7 L >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> CCC Theory/Operation >> Operation >> System Operation
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

System Operation

The CCC system consists of the following sub-systems: Fuel Control, Data Sensors, Electronic Control Module (ECM), Spark Timing, AIR Management, Emission Control, Torque Converter Clutch (TCC), Diagnostic System and Catalytic Converter.

Fig 1: ECM Operating Conditions Sensed & Systems Controlled
G9564