Output Signals

NOTE: Vehicles are equipped with different combinations of computer-controlled components. Not all components listed below are used on every vehicle. For theory and operation on each output component, refer to the system indicated in brackets after component.

A/C Clutch (Miscellaneous Controls)
CHECK ENGINE Light (Self-Diagnostic System)
Exhaust Gas Sensor Heater Control (Emission Systems)
Fuel Injectors (Fuel Control)
Fuel Pump Control (Fuel Delivery)
Fuel Pump Speed Control (Fuel Control)
Idle Speed Control Valve (Idle Speed)
Pressure Regulator Control Solenoid Valve (Fuel Delivery)
Self-Diagnostics (Self-Diagnostics)