Section 139 (Engine Controls - System & Component Testing - 4-Cylinder)
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2003 Toyota Tacoma, 2003 Toyota RAV4, 2003 Toyota Prius, 2003 Toyota Matrix, and 2003 Toyota MR2. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Service Precautions
- Component Locations
- Programming
- Air Induction Systems
- Computerized Engine Controls
- Engine Sensors & Switches
- Accelerator Pedal Position Sensor
- A/C Compressor Lock Sensor
- A/C Evaporator Temperature Sensor
- Air/Fuel Ratio Sensor
- Airflow Meter
- BRAKELIGHT Switch
- Camshaft Position Sensor
- Crankshaft Position Sensor
- EGR Gas Temperature Sensor
- Engine Coolant Temperature Sensor
- Heated Oxygen Sensor
- Ignition Switch
- Intake Air Temperature Sensor
- Knock Sensor
- Park/Neutral Position Switch
- Positive Temperature Coefficient Heater
- Power Steering Pressure Sensor
- Power Steering Pressure Switch
- Throttle Position Sensor
- Vacuum Sensor For Hydrocarbon Absorber Catalyst System
- Vapor Pressure Sensor
- Variable Valve Timing Sensor
- Vehicle Speed Sensor
- Modules, Motors, Relays & Solenoids
- Fuel Systems
- Fuel System Pressure Release
- Fuel Delivery
- Fuel Control
- Fuel Injectors (Camry Except PZEV)
- Fuel Injectors (Camry PZEV)
- Fuel Injectors (Camry Solara)
- Fuel Injectors (Celica)
- Fuel Injectors (Corolla)
- Fuel Injectors (ECHO)
- Fuel Injectors (Highlander)
- Fuel Injectors (Matrix)
- Fuel Injectors (MR2)
- Fuel Injectors (Prius)
- Fuel Injectors (RAV4)
- Fuel Injectors (Tacoma)
- Fuel Cut System (Camry, Corolla, Highlander & Matrix)
- Fuel Cut System (Camry Solara, Celica, ECHO, MR2, RAV4 & Tacoma)
- Fuel Cut System (Prius)
- Fuel Tank Cap
- Idle Control Systems
- Ignition Systems
- Emission Systems & Sub-Systems
- Emission System Component Location
- Exhaust Gas RECIRCULATION System
- Hydrocarbon Absorber Catalyst System (PRIUS)
- Fuel Evaporative System
- Notes
- Fuel EVAP System Test (Camry Except PZEV)
- Fuel EVAP System Test (Camry PZEV)
- Fuel EVAP System Test (Camry Solara)
- Fuel EVAP System Test (Celica)
- Fuel EVAP System Test (Corolla)
- Fuel EVAP System Test (ECHO)
- Fuel EVAP System Test (Highlander)
- Fuel EVAP System Test (Matrix With 1ZZ-FE Engine)
- Fuel EVAP System Test (Matrix With 2ZZ-GE Engine)
- Fuel EVAP System Test (MR2)
- Fuel EVAP System Test (Prius)
- Fuel EVAP System Test (RAV4)
- Fuel EVAP System Test (Tacoma)
- Canister Closed Valve Vacuum Switching Valve (Camry Except PZEV)
- Canister Closed Valve Vacuum Switching Valve (Camry PZEV)
- Canister Closed Valve Vacuum Switching Valve (Celica)
- Canister Closed Valve Vacuum Switching Valve (Corolla)
- Canister Closed Valve Vacuum Switching Valve (ECHO)
- Canister Closed Valve Vacuum Switching Valve (Highlander)
- Canister Closed Valve Vacuum Switching Valve (Matrix)
- Canister Closed Valve Vacuum Switching Valve (MR2)
- Canister Closed Valve Vacuum Switching Valve (Prius)
- Canister Closed Valve Vacuum Switching Valve (RAV4)
- Canister Closed Valve Vacuum Switching Valve (Tacoma)
- Charcoal Canister (Camry Except PZEV)
- Charcoal Canister (Camry PZEV)
- Charcoal Canister (Camry Solara)
- Charcoal Canister (Celica)
- Charcoal Canister (Corolla)
- Charcoal Canister (ECHO)
- Charcoal Canister (Highlander)
- Charcoal Canister (Matrix With 1ZZ-FE Engine)
- Charcoal Canister (Matrix With 2ZZ-GE Engine)
- Charcoal Canister (MR2)
- Charcoal Canister (Prius)
- Charcoal Canister (RAV4)
- Charcoal Canister (Tacoma)
- Cut-Off Valve
- EVAP Vacuum Switching Valve (All Models)
- Overfill Check Valve
- Pressure Switching Valve Vacuum Switching Valve (Camry, Camry Solara, Celica, Corolla, Highlander, MR2, RAV4 & Tacoma)
- Purge Flow Switching Valve Vacuum Switching Valve (Prius)
- Vapor Pressure Sensor (Camry Except PZEV)
- Vapor Pressure Sensor (Camry PZEV)
- Vapor Pressure Sensor (Camry Solara)
- Vapor Pressure Sensor (Celica & ECHO)
- Vapor Pressure Sensor (Corolla)
- Vapor Pressure Sensor (Highlander)
- Vapor Pressure Sensor (Matrix)
- Vapor Pressure Sensor (MR2)
- Vapor Pressure Sensor (Prius)
- Vapor Pressure Sensor (RAV4)
- Vapor Pressure Sensor (Tacoma)
- Positive Crankcase Ventilation
- Throttle Controls
- Variable Valve Lift System
- Variable Valve Timing System