Engine Controls - Theory & Operation
- Introduction
- Air Induction System
- Computerized Engine Controls
- Engine Control Module (ECM)
- Engine Immobilizer System
- Variable Valve Timing (VVT) System
- Input Devices
- Notes
- Accelerator Pedal Position Sensor (GS300, GS400, LS400, LX470, SC300 & SC400)
- Air/Fuel (A/F) Ratio Sensor (ES300 & RX300)
- A/C Switch
- Battery Signal
- Brakelight Signal
- Camshaft Position Sensor
- Crankshaft Sensor
- Engine Coolant Temperature (ECT) Sensor
- Heated Oxygen Sensor (HO2S)
- Intake Air Temperature (IAT) Sensor
- Knock Sensor
- Ignitor (GS300 & SC300)
- Mass Airflow (MAF) Sensor
- Park/Neutral Position (PNP) Switch
- Throttle Position (TP) Sensor
- Vapor Pressure Sensor (ES300, LS400, RX300, SC300 & SC400)
- Vapor Pressure Sensor (GS300, GS400 & LX470)
- Variable Valve Timing Sensor (ES300, GS400, LS400, RX300 & SC400)
- Vehicle Speed Sensor (GS300, LS400, LX470, SC300 & SC400)
- Vehicle Speed Sensor (ES300, GS400 & RX300)
- Output Signals
- Notes
- ACIS Vacuum Switching Valve (VSV)
- A/F Heater Relay
- Circuit Opening Relay
- EFI Main Relay
- Electronically Controlled Transmission/Transaxle
- Electronic Spark Advance System
- EVAP Canister Vacuum Switching Valve
- Fuel Injectors
- Fuel Pump
- Fuel Pump Electronic Control Unit
- Idle Speed Control System
- Intake Air Control Valve
- Malfunction Indicator Light
- Self-Diagnostics
- Throttle Control Motor
- Fuel System
- Fuel Delivery
- Air/Fuel (A/F) Heater Relay (ES300 & RX300)
- Circuit Opening Relay (ES300 & RX300)
- Circuit Opening Relay (LS400)
- EFI Main Relay (ES300 & RX300)
- EFI Main Relay (GS300, GS400, SC300 & SC400)
- EFI Main Relay (LS400)
- EFI Main Relay (LX470)
- Fuel Pump (ES300 & RX300)
- Fuel Pump & Fuel Pump Electronic Control Unit (GS300 & GS400)
- Fuel Pump, Fuel Pump Electronic Control Unit & Fuel Pump Switch (LX470)
- Fuel Pump & Fuel Pump Electronic Control Unit (SC300 & SC400)
- Fuel Pump, Fuel Pump Relay & Fuel Pump Resistor (LS400)
- Fuel Pressure Regulator (Except LX470)
- Fuel Pressure Regulator (LX470)
- Fuel Pressure Pulsation Damper
- Fuel Control
- Idle Speed
- Fuel Delivery
- Ignition System
- Emission Systems
- Self-Diagnostic System
- Miscellaneous Controls