Engine Controls - Theory & Operation
- Introduction
- Airflow Sensing Description
- Computerized Engine Controls (Gasoline) Description
- Electronic Control Module (ECM) Description
- Input Devices
- Notes
- A/C On (A/C Request) Signal (3.1L)
- A/C Pressure Switches
- Battery Voltage
- Brake Switch Feedback
- Coolant Temperature Sensor (Cts)
- Crank Signal
- Fuel Pump Feedback
- Gear Switches
- Knock Sensor (Except 2.5L)
- Manifold Absolute Pressure (Map) Sensor
- Manifold Air Temperature (Mat) Sensor (2.5L)
- Oxygen (O2) Sensor
- Park/Neutral Switch (P/N)
- Power Steering (P/S) Switch ("S" & "T" Series With 2.5L)
- Rpm Reference Signal
- Throttle Position Sensor (TPS)
- Vehicle Speed Sensor (VSS)
- Output Signals
- Computerized Engine Controls (Diesel)
- Notes
- Electronic Control Module (ECM)
- Memories
- Input Devices
- Coolant Temperature Sensor (Cts)
- Manifold Absolute Pressure Sensor (Map)
- Throttle Position Sensor (TPS)
- Engine Speed Sensor
- Vehicle Speed Sensor (VSS)
- Output Signals
- Electronic Controller/Glow Plug Relay
- Cold Advance Control
- Torque Converter Clutch
- Exhaust Gas RECIRCULATION System
- Gasoline Fuel Delivery
- Fuel System (Diesel)
- Diesel Injection Pump
- Ignition System (Gasoline)
- Ignition Timing Systems (Gasoline)
- Emission Systems (Gasoline)
- Air Injection System
- Electric Air Control (EAC) Valves With Relief Tube (ECT)
- Air Pump
- Check Valve
- Air Management System
- Catalytic Converter
- Exhaust Gas RECIRCULATION (EGR)
- Port EGR
- Negative BACKPRESSURE EGR
- Evaporative Emission Control (EEC)
- Carbon Canister
- Positive Crankcase Ventilation (PCV)
- Thermostatic Air Cleaner (TAC)
- Vacuum Control Temperature Sensor
- Air Control Door
- Vacuum Motor
- Throttle Return Control System
- Emission Systems (Diesel)
- Self-Diagnostic System
- Miscellaneous ECM Controls
- Transmission