Engine Controls - Theory & Operation
- Introduction
- Air Induction System
- Computerized Engine Controls (Gasoline)
- Notes
- Electronic Control Module (ECM)
- Input Devices
- Notes
- A/C On (A/C Request) Signal
- Battery Voltage
- Brake Switch Feedback
- Coolant Temperature Sensor (Cts)
- Crank Signal
- Digital Ratio Adapter Controller (DRAC)
- Fuel Pump Feedback
- Gear Switches
- Knock Sensor
- Manifold Absolute Pressure (Map) Sensor
- Manifold Air Temperature (Mat) Sensor (2.5L & 4.3L Turbo)
- Oxygen (O2) Sensor
- Park/Neutral (P/N) Switch
- Power Steering (P/S) Switch (2.5L)
- Pressure Switch Manifold (PSM) (4L80-E Transmission)
- Rpm Reference Signal
- Throttle Position Sensor (TPS)
- Transmission Temperature Sensor (TTS) (4L80-E Transmission)
- Vehicle Speed Sensor (VSS)
- Output Signals
- Computerized Engine Controls (Diesel)
- Fuel System (Gasoline)
- Fuel System (Diesel)
- Ignition System (Gasoline)
- Ignition Timing Control Systems (Gasoline)
- Emission Systems (Gas)
- Emission Systems (Diesel)
- Self-Diagnostic System
- Miscellaneous ECM Controls