Section 44 (Engine Controls - System & Component Testing)
WARNING: This page is about a different car, the 2003 Lexus SC 430, 2003 Lexus LS 430, 2003 Lexus IS 300, 2003 Lexus GS 430, and 2003 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Air Induction Systems
- Computerized Engine Controls
- Sensors & Switches
- Accelerator Pedal Position Sensor
- Camshaft Position Sensor
- Crankshaft Position Sensor
- Engine Coolant Temperature (ECT) Sensor
- Heated Oxygen Sensor Heater Resistance
- Heated Oxygen Sensor Operation
- Intake Air Temperature (IAT) Sensor
- Knock Sensor
- Mass Airflow (MAF) Sensor
- Park/Neutral Position (PNP) Switch
- Park/Neutral Position (PNP) Switch Circuit
- Throttle Position (TP) Sensor
- Vapor Pressure Sensor
- Variable Valve Timing Sensor
- Vehicle Speed Sensor (VSS)
- Motors, Relays & Solenoids
- Fuel Systems
- Notes
- Fuel Delivery
- Notes
- Fuel Pump Operation (Using Battery Voltage)
- Fuel Pump Resistance
- Fuel Pump Control Circuit (GS300 & GS430)
- Fuel Pump Control Circuit - IS300, LS430 & SC430 (Using Lexus Scan Tool)
- Fuel Pump Control Circuit - IS300, LS430 & SC430 (Using OBD-II Scan Tool)
- Fuel Pump Pressure (All Models)
- Fuel Pressure Regulator (All Models)
- Fuel Control
- Fuel Pump Resistor
- Fuel Cut System Operation
- Ignition Systems
- Emission Systems & Sub-Systems
- Variable Valve Timing (VVT) System
- Throttle Controls
- Miscellaneous Controls