Engine Controls - Theory & Operation
- Introduction
- Computerized Engine Controls
- Notes
- Engine Control Module (ECM)
- Malfunction Indicator Light (Mil)
- Input Devices
- Notes
- Engine Coolant Temperature Sensor (ECTS)
- Crankshaft Position Sensor (CKPS)
- EGR Temperature Sensor (California)
- Heated Oxygen Sensor (HO2S)
- Knock Sensor (KS)
- Mass Airflow Sensor (MAFS)
- Park/Neutral Relay
- Power Steering Oil Pressure Switch
- Sub-Crankshaft Position Sensor
- Throttle Position (TP) Sensor & Soft/Hard Closed Throttle Position (CTP) Switch
- Vehicle Speed Sensor (VSS)
- Output Signals
- Notes
- A/C Relay
- Canister Purge Control Solenoid
- EGR Control Solenoid
- ECCS Relay
- Fuel Injectors
- Fuel Pressure Regulator
- Fuel Pump Control Unit
- Fuel Pump Relay
- IACV-Auxiliary Air Control (AAC) Valve
- Ignition Coil Relay
- Heated Oxygen Sensor (HO2S) Heater
- Malfunction Indicator Lamp (MIL) Also referred to as CHECK ENGINE light.
- Power Transistor(s) & Ignition Coil(s)
- Self-Diagnostic System
- Valve Timing Control (VTC) Solenoids
- Fuel System
- Ignition System
- Emission Systems
- Self-Diagnostic System
- Miscellaneous Controls