EEC IV Theory/Operation
- Description
- Operation
- Notes
- Inputs
- A/C Compressor Clutch (ACC) Signal
- Air Charge Temperature (ACT) Sensor
- Brake On/Off (BOO) Switch (All Except 4.9L & 5.0L)
- Detonation (Knock) Sensor (All Except 3.0L)
- EEC Power Relay
- EGR Valve Position Sensor (EVP) (All Except 3.0L)
- Engine Coolant Temperature (ECT) Sensor
- Inferred Mileage Sensor (IMS) (5.0L Engine)
- Manifold Absolute Pressure (MAP) Sensor
- Neutral Drive Switch (NDS), Neutral Gear Switch (NGS) &
- Heated Exhaust Gas Oxygen (HEGO) Sensor (All Except 5.0L Econoline)
- Profile Ignition Pick-Up (PIP)
- Power Steering Pressure Switch (PSPS) (All Except 2.9L)
- Pressure Feedback Electronic (PFE) EGR Valve & Transducer (2.9L)
- Self-Test Input (STI)
- Throttle Position Sensor (TPS)
- Outputs
- Canister Purge Solenoid (CANP) (3.0L)
- Converter Clutch Override (CCO) Solenoid (2.3L & 3.0L)
- EGR Control (EGRC) Solenoid (2.3L)
- EGR Vent (EGRV) Solenoid (2.3L)
- Fuel Injectors
- Fuel Pump Relay
- Self-Test Output (STO)
- Shift Indicator Light (SIL) (2.3L)
- Thermactor Air By-Pass (TAB) Solenoid (4.9L & 5.0L)
- Thermactor Air Diverter (TAD) Solenoid (4.9L & 5.0L)
- Thick Film Integrated (TFI) Ignition Module
- Throttle Air By-Pass Valve
- Wide Open Throttle A/C (WAC) Cut-Off (2.3L, 2.9L & 3.0L)
- Vehicle Speed Sensor (VSS) (2.9L)