Engine Controls - System/Component Tests

• Introduction
• Computerized Engine Controls
  • Engine Control Module
    • Power & Ground Circuits
• Engine Sensors & Switches
  • Air Temperature Sensor
  • Coolant Temperature Sensor
  • EGR Gas Temperature Sensor
    • Notes
    • Paseo (CA A/T) & Tercel (CA)
  • Engine Coolant Temperature (ECT) Sensor
  • Engine Coolant Temperature Switch
    • Paseo With A/T
  • Intake Air Temperature Sensor
  • Manifold Absolute Pressure (Map) Sensor
  • Park/Neutral Switch
    • Notes
    • A/T Models
  • Oxygen Sensor Feedback Voltage Test
  • Pick-Up Coils
  • Throttle Position Sensor
  • TPS Resistance Specifications
  • Vehicle Speed Sensor
• Control Units
  • Fuel Pump Electronic Control Unit
• Relays
  • Circuit Opening Relay
  • EFI Main Relay
  • Ignition Main Relay
• Fuel System
  • Fuel Delivery
    • Notes
    • Circuit Opening Relay
    • EFI Main Relay
    • Fuel Pump Relay
  • Fuel Control
    • Notes
    • Fuel Injectors
    • Fuel Pressure Control System
    • Fuel Cut System
• Idle Control System
  • Air Control Valve
    • Paseo
  • Auxiliary Air Valve System
  • Idle-Up System
    • Tercel
• Ignition System
  • Notes
  • Timing Control Systems
    • Knock Sensor
• Emission Systems & Sub-Systems
  • Exhaust Gas RECIRCULATION (EGR) System Test
  • EGR Vacuum Modulator
  • EGR Vacuum Switching Valve (VSV)
    • Notes
    • EVAP Thermal Vacuum Valve
    • Charcoal Canister
  • Positive Crankcase Ventilation (PCV)
• Throttle Controls
  • Notes
  • Dashpot Control System
    • Tercel (Federal & Canada Models)
  • Throttle Opener
    • Paseo (CA A/T) & Tercel (CA)
  • Throttle Opener Vacuum Switching Valve (VSV)
    • Paseo (CA A/T) & Tercel (CA)