Controlled Systems Operation

The following systems are controlled by the Electronic Control Module (ECM) in response to input from the sensed systems:

• AIR Management
• Exhaust Gas Recirculation (EGR)
• Electronic Spark Timing (EST)
• Fuel Control
• Idle Air Control (IAC)
• Electric Fuel Pump
• Torque Converter Clutch (TCC)
• Downshift Control
• Manual Transmission Shift Light
• Air Conditioning
• Diagnostics
• "SERVICE ENGINE SOON" Light
• Diagnostic Terminal (ALDL)
• Data Output (ALDL)
• Electronic Spark Control