EEC IV Theory/Operation
- Description
- Operation
- System Overview
- Inputs
- A/C Compressor Clutch Signal
- Air Charge Temp. (ACT) Sensor (2.3L HSC, 3.8L & 5.0L Models)
- Airflow Meter Assembly (1.6L & 2.3L EFI Models)
- Barometric Pressure Sensor
- EGR Valve Position Sensor (2.3L HSC, 3.8L & 5.0L Engines)
- Engine Coolant Temperature (ECT) Sensor
- Idle Tracking Switch (ITS) (2.3L OHC & 3.8L Engines)
- Key Power (Ignition Switch)
- Manifold Absolute Pressure (MAP) Sensor (2.3L HSC, 2.3L OHC, 3.8L & 5.0L Engines)
- Neutral (Start) Switch
- Oxygen Sensor
- Profile Ignition Pick-Up (PIP)
- Self-Test Input
- Throttle Position Sensor (TPS)
- Outputs
- A/C & Fan Controller Module
- EEC Power Relay
- Canister Purge Solenoid
- EGR Control Solenoid
- EGR Shut-Off Solenoid
- EGR Vent Solenoid
- Exhaust Heat Control Valve
- Feedback Control Solenoid
- Fuel Injectors
- Fuel Pump Relay (Fuel Injected Models)
- Idle Speed Control (ISC) Motor
- Self-Test Output
- Shift Indicator Lamp
- Thermactor Air By-Pass (TAB) Solenoid
- Thermactor Air Diverter (TAD) Solenoid
- TFI Module
- Throttle Air By-Pass Valve (1.6L & 2.3L EFI Models)
- Throttle Kicker Solenoid
- Wide Open Throttle (WOT) A/C Cutout Switch