Output Signals

The ECU processes information from the input sensors and sends appropriate voltage control signals to control devices. Not all devices are used on all models. For theory and operation of specific output components, refer to system indicated in brackets.

• Air Injection Relay (Emissions)
• Electro-Hydraulic Actuator and Differential Fuel Pressure Regulator (Fuel Metering)
• EZL Ignition Signal (Ignition Timing)
• Idle Speed Air Valve (Engine Idle Speed)
• Idle Speed Stabilization For A/T Engaged (Engine Idle Speed)
• Idle Speed Stabilization For A/C Compressor Engaged (Engine Idle Speed)
• Self-Diagnostics (Self-Diagnostics)