Engine Controls - System/Component Tests

• Introduction
• Intake Air Induction System
  • Turbocharger
    • Initial Checks
    • Actuator & Wastegate
    • Impeller Wheel Rotation
    • Turbine Shaft End Play & Radial Play
    • Pressure Check
  • Variable Induction System
    • Celica (2.0L)
• Engine Sensors & Switches
  • Airflow Meter (3S-GTE)
  • Air Temperature Sensor (CELICA Non-Turbo)
  • Cold Start Injector Time Switch
  • Coolant Temperature Sensor
  • EGR Gas Temperature Sensor
  • Knock Sensor (3S-GTE)
  • Manifold Absolute Pressure (Map) Sensor
  • Neutral/Start Switch
  • Oxygen (O2) Sensor Feedback Voltage Test
  • Sub-Oxygen Sensor (2.2L CALIF.)
  • Oxygen (O2) Sensor Heater (1.6L Federal & 2.0L)
  • Pick-Up Coils
  • Throttle Position Sensor (TPS)
  • Turbocharging Pressure Sensor
  • Turbocharger Vacuum Switching Valve (VSV)
  • Vacuum Sensor (Non-Turbo)
  • Vehicle Speed Sensor
• Relays
  • Circuit Opening Relay
  • EFI Main Relay
  • Fuel Pump Relay
• Fuel System
  • Notes
  • Fuel Pressure
    • Fuel Pressure Release
  • Fuel Delivery
    • Notes
    • Fuel Pump Relay & Resistor (Turbo)
  • Fuel Control
    • Fuel Injector Solenoid Resistor (Celica Turbo & Supra Turbo)
    • Fuel Injectors
    • Fuel Pressure-Up System
    • Deceleration Fuel-Cut System
    • Cold Start Injector
    • Cold Start Injector Time Switch
• Idle Control Systems
  • Auxiliary Air Valve System (1.6L)
  • Idle Speed Control (ISC) System
    • 2.2L
    • 2.0L
• Ignition System
  • Notes
  • Knock Sensor (3S-GTE)
• Emission Systems & Sub-Systems
  • Exhaust Gas RECIRCULATION
    • System Test
    • EGR Vacuum Modulator
    • Vacuum Switching Valve (VSV) (Non-Turbo)
    • Vacuum Switching Valve (VSV) (Turbo)
  • Fuel Evaporation
    • Notes
    • Fuel Odor Or Gas Leaks
    • Fuel Tank Or Expansion Tank Deformed
    • Rough Engine Operation
    • Bimetallic Vacuum Switching Valve (BVSV)
    • Charcoal Canister
    • Restrictor
    • Maintenance
  • Positive Crankcase Ventilation (PCV)
    • Fixed Orifice
    • PCV Valve
  • Throttle Controls
    • Dashpot Control System (1.6L)