Section 4 (Engine Controls - Theory & Operation)
WARNING: This page is about a different car, the 1997 Lexus SC 300. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Acoustic Control Induction System (ACIS)
- Computerized Engine Controls
- Electronic Control Module (ECM)
- ECM Power Source
- Input Devices
- A/C Request
- Camshaft Sensor(s)
- Clutch Start Switch (M/T)
- Crankshaft Sensor
- Cruise Control ECU
- Distributor Pick-Up Coils
- EGR Temperature Sensor
- Engine Coolant Temperature (ECT) Sensor
- Ignitor
- Intake Air Temperature (IAT) Sensor
- Knock Sensor
- Mass Airflow (MAF) Sensor
- Heated Oxygen Sensor (HO2S)
- Park/Neutral Position (PNP) Switch
- Starter Signal
- Sub-Throttle Position (Sub-TP) Sensor (With TRAC)
- Throttle Position (TP) Sensor
- Vehicle Speed Sensor (VSS)
- Output Signals
- Notes
- A/C Clutch
- A/C Idle-Up System
- ACIS VSV
- EFI Main Relay
- EGR Valve
- EGR VSV
- Electronically Controlled Transmission/Transaxle
- EVAP Canister VSV
- Fuel Injectors
- Fuel Pressure Regulator VSV
- Fuel Pump
- Fuel Pump ECU
- Idle Air Control (IAC) Valve
- Ignitor
- Malfunction Indicator Light
- Oxygen Sensor Heater Control
- Self-Diagnostics
- Fuel System
- Ignition System
- Emission Systems
- Self-Diagnostic System
- Miscellaneous Controls