Engine Controls - System/Component Tests - V6 & V8

• Introduction
• Testing Information
• Air Induction Systems
  • Electronic Throttle Control System (ETCS)
    • Notes
    • Land Cruiser & LX470
  • Intake Air Control Valve System
    • Notes
    • Avalon, Camry & Sienna
• Computerized Engine Controls
  • Engine Control Module
    • Power & Ground Circuits
• Engine Sensors & Switches
  • Accelerator Pedal Position Sensor
    • Land Cruiser & LX470
  • Air/Fuel (A/F) Sensor
    • Avalon Calif. Emission Vehicles & Camry Calif. Emission Vehicles With A/T
  • Airflow Meter
    • Notes
    • Avalon, Camry & Sienna
    • Land Cruiser & LX470
    • Tacoma, T100 & 4Runner
  • BRAKELIGHT Switch
    • Avalon & Land Cruiser & LX470
    • Camry, Sienna, Tacoma, T100 & 4Runner
  • Camshaft Position Sensor
  • Crankshaft Position Sensor
  • EGR Gas Temperature Sensor
    • Avalon & Camry
    • Tacoma 2WD All Models & 4WD Regular Cab, & T100 2WD 1/2 Ton
  • EGR Position Sensor
    • Avalon & Camry
  • Engine Coolant Temperature (ECT) Sensor
    • Avalon, Camry & Sienna
    • Land Cruiser & LX470
    • Tacoma, T100 & 4Runner
  • Fuel Pump Switch
    • Land Cruiser & LX470
  • Heated Oxygen Sensor
    • Notes
    • Avalon
    • Camry
    • Land Cruiser & LX470
    • Sienna
    • Tacoma, T100 & 4Runner
  • Knock Sensors
    • Avalon, Camry, Sienna, Tacoma, T100 & 4Runner
    • Land Cruiser & LX470
  • Park/Neutral Position Switch
    • All A/T Models
  • Power Steering Pressure Switch
    • Avalon, Camry, Sienna, Tacoma, T100 & 4Runner
  • Throttle Control Motor
    • Land Cruiser & LX470
  • Throttle Position Sensor
    • Avalon, Camry, Sienna, Tacoma, T100 & 4Runner
    • Land Cruiser & LX470
  • Vapor Pressure Sensor
  • Vehicle Speed Sensor
    • Avalon & Camry
    • Land Cruiser & LX470
    • Sienna, Tacoma & 4Runner
    • T100
  • 4WD Switch
    • Tacoma, T100 & 4Runner
• Control Units
  • Fuel Pump Electronic Control Unit
    • Land Cruiser & LX470
• Motors & Relays
  • Throttle Control Motor
    • Land Cruiser & LX470
  • Circuit Opening Relay
  • EFI Main Relay
• Fuel System
  • Fuel Delivery
    • Circuit Opening Relay
    • EFI Main Relay (Fuel Pump Relay)
    • Fuel Pump Electronic Control Unit (Land Cruiser & LX470)
    • Fuel Pump Switch (Land Cruiser & LX470)
    • Fuel Pump Pressure
    • Fuel Pump Resistance & Operation
  • Fuel Control
    • Fuel Injectors (Avalon & Camry)
    • Fuel Injectors (Land Cruiser & LX470)
    • Fuel Injectors (Sienna)
    • Fuel Injectors (Tacoma, T100 & 4Runner)
    • Fuel Cut System
• Idle Control System
  • Idle Air Control (IAC) Valve
    • Avalon, Camry, Sienna, Tacoma, T100 & 4Runner
  • Air Assist System
    • Avalon, Camry, Sienna, Tacoma, T100 & 4Runner
  • Throttle Body
    • Notes
    • Land Cruiser & LX470
• Ignition System
  • Notes
  • Timing Control Systems
    • Knock Sensor
• Emission Systems & Sub-Systems
  • Exhaust Gas RECIRCULATION (EGR) System Test
    • Notes
    • Avalon & Camry
    • Tacoma 2WD Models & 4WD W/Regular Cab & T100 2WD 1/2 Ton
  • EGR Gas Temperature Sensor
    • Avalon, Camry, Tacoma 2WD All Models & 4WD Regular Cab, & T100 2WD 1/2 Ton
  • EGR Position Sensor
    • Notes
    • Avalon & Camry
  • EGR Vacuum Control Valve
    • Notes
    • Avalon & Camry
  • EGR Vacuum Modulator
    • Notes
    • Tacoma 2WD Models & 4WD W/Regular Cab & T100 2WD 1/2 Ton
  • EGR Vacuum Switching Valve (VSV)
    • Avalon & Camry
    • Tacoma 2WD Models & 4WD W/Regular Cab, & T100 2WD 1/2 Ton
  • EGR Valve
    • Avalon, Camry, Tacoma 2WD Models & 4WD W/Regular Cab & T100 2WD 1/2 Ton
  • Fuel Evaporation System
    • Notes
    • Charcoal Canister (Avalon, Camry & Sienna)
    • Charcoal Canister (Land Cruiser & LX470)
    • Charcoal Canister (Tacoma & 4Runner)
    • Charcoal Canister (T100)
    • EVAP Vacuum Switching Valve
    • Vapor Pressure Sensor
    • Vapor Pressure Sensor Vacuum Switching Valve
  • Positive Crankcase Ventilation (PCV)
    • Avalon, Camry, Land Cruiser, LX470 & Sienna
    • Tacoma, T100 & 4Runner
• Throttle Controls
  • Dashpot Control System
    • Tacoma With M/T, T100 With M/T & 4Runner With M/T
  • Throttle Opener
    • Avalon, Camry, Sienna, Tacoma, T100 & 4Runner