Engine Control System - Theory & Operation
- Introduction
- Air Induction System
- Computerized Engine Controls
- Notes
- Powertrain Control Module (Pcm)/Vehicle Control Module (VCM)
- Input Devices
- Notes
- A/C On (A/C Request) Signal
- Battery Voltage
- Brake Switch Feedback
- Engine Coolant Temperature (ECT) Sensor
- Cranking Signal
- Digital Ratio Adapter Controller (DRAC)
- EGR Pintle Position
- Fuel Pump Feedback
- Gear Switches
- Knock Sensor (KS)
- Manifold Absolute Pressure (MAP) Sensor
- Intake Air Temperature (IAT) Sensor (Some Engines)
- Oxygen Sensor (O2S)
- Park/Neutral Position (PNP) Switch
- Throttle Position (TP) Sensor
- Transmission Temperature Sensor (TTS) (4T60-E Transmission)
- Vehicle Speed Sensor (VSS)
- Output Signals
- Fuel System
- Ignition System
- Emission Systems
- Self-Diagnostic System
- Miscellaneous Pcm/VCM Controls