Engine Controls - System/Component Tests - 4-CYL
- Introduction
- Testing Information
- Computerized Engine Controls
- Engine Sensors & Switches
- Relays
- Fuel System
- Idle Control System
- Ignition System
- Emission Systems & Sub-Systems
- Exhaust Gas RECIRCULATION (EGR) System Test
- EGR Check Valve
- EGR Gas Temperature Sensor
- EGR Vacuum Modulator
- EGR Vacuum Switching Valve (VSV)
- EGR Valve
- Fuel Evaporation System
- Notes
- Charcoal Canister (Camry)
- Charcoal Canister (Celica Except Calif. Emission Vehicles)
- Charcoal Canister (Celica Calif. Emission Vehicles)
- Charcoal Canister (Corolla)
- Charcoal Canister (RAV4)
- Charcoal Canister (Tacoma & 4Runner)
- Charcoal Canister (Tercel)
- Charcoal Canister (T100)
- Cut-Off Valve (Camry & Corolla)
- EVAP Check Valve (Celica Except Calif. Emission Vehicles)
- EVAP Thermal Vacuum Valve (Celica Except Calif. Emission Vehicles)
- EVAP Vacuum Switching Valve (Camry, Celica Calif. Emission Vehicles, Corolla, RAV4, Tacoma, Tercel, T100 & 4Runner)
- Overfill Check Valve (Camry & Corolla)
- Overfill Check Valve (Celica Calif. Emission Vehicles)
- Vapor Pressure Sensor (Camry, Celica Calif. Emission Vehicles, Corolla, RAV4, Tacoma, Tercel, T100 & 4Runner)
- Vapor Pressure Sensor Vacuum Switching Valve (Camry, Celica Calif. Emission Vehicles, Corolla, RAV4, Tacoma, Tercel, T100 & 4Runner)
- On-Board Refilling Vapor Recovery (ORVR) System
- Positive Crankcase Ventilation (PCV)
- Throttle Controls