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.
- Lock-Up Solenoid Relay (Miscellaneous Controls)
- CHECK ENGINE Light (Self-Diagnostic System)
- Control Relay (Fuel Delivery)
- EGR Vacuum Switching Valve (Emissions)
- Fuel-Cut System (Fuel Control)
- Fuel Pump Relay (Fuel Delivery)
- Idle Speed Control (ISC) Solenoid (Idle Speed)
- Fuel Injector(s) (Fuel Control)
- Mixture Heater Relay (Emissions)
- Canister Purge Vacuum Switching Valve (Emissions)
- Throttle Opener Vacuum Switching Valve (Idle Speed)