October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
Engine Controls - Theory & Operation Expand All (for easy ctrl-f) Collapse All 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 (ES300, GS300, GS430, GX470, IS300, LS430, LX470 & SC430) 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 & IS300) Mass Airflow (MAF) Sensor Park/Neutral Position (PNP) Switch Throttle Position (TP) Sensor Vapor Pressure Sensor (Except RX300) Vapor Pressure Sensor (RX300) Variable Valve Timing Sensor (ES300, GS430, IS430, LS430, RX300 & SC430) Vehicle Speed Sensor (GS300, GS430, IS300, LS430, LX470 & SC430) Vehicle Speed Sensor (ES300 & GX470) Vehicle Speed Sensor (RX300) Output Signals Fuel System Ignition System Emission Systems Self-Diagnostic System Miscellaneous Controls