Section 2 (Engine Controls - System/Component Tests - 1.8L)

• Introduction
  • Notes
  • Terminology
• Computerized Engine Controls
  • Notes
  • Engine Control Module (ECM)
    • Ground Circuit Checks
    • Power Circuit Checks
  • Engine Sensors & Switches
    • Notes
    • Camshaft Position Sensor
    • EGR Temperature Sensor (California Emissions)
    • Electrical Load Idle-Up Signal
    • Engine Coolant Temperature (ECT) Sensor
    • Intake Air Temperature (IAT) Sensor
    • Knock Sensor
    • Manifold Absolute Pressure (MAP) Sensor
    • Oxygen Sensor (O2S)
    • Sub-Heated Oxygen Sensor (Sub-HO2S)
    • Throttle Position (TP) Sensor
    • Vehicle Speed Sensor
• Modules, Relays & Solenoids
  • Modules
    • Diode Module Or Diode
  • Relays
    • Circuit Opening Relay
    • EFI F-HTR Relay
  • Solenoids
    • A/C Solenoid Vacuum (SV) Valve
    • Exhaust Gas Recirculation Solenoid Vacuum (EGR SV) Valve
    • Fuel Injector
    • Throttle Opener Solenoid Vacuum (TO SV) Valve (Calif.)
• Fuel System
  • Fuel Delivery
    • Notes
    • Fuel Pressure Regulator
  • Fuel Control
    • Fuel Injector
• Idle Control System
  • A/C Idle-Up Circuit Check (Equipped With A/C)
  • Idle Air Control (IAC) Valve
  • Throttle Opener Solenoid Vacuum (To SV) Valve (If Equipped)
• Ignition System
  • Notes
  • Timing Control Systems
    • Electronic Ignition Timing Advance
    • Electronic Ignition Timing Retard
• Emission Systems & Sub-Systems
  • Exhaust Gas RECIRCULATION
    • EGR Temp. Sensor
    • EGR System Check
    • EGR Vacuum Supply
    • EGR Vacuum Modulator Check
    • EGR Solenoid Vacuum (SV) Valve
  • Fuel Evaporation
    • Notes
    • Evaporation Canister (EVAP) Purge Control Valve
    • Evaporation Emission Thermal Vacuum Valve (EVAP TVV)
  • Positive Crankcase Ventilation (PCV)
    • Required Service
    • Checking PCV Valve Function
• Miscellaneous Controls
• Diagnostic Charts
  • Chart C-1B, Electrical Load Idle-Up Circuit Check
    • Notes
    • Diagnostic Aids
  • Chart C-1C, A/C Idle Circuit Check
    • Notes
    • Diagnostic Aids
  • Chart C-1D, Sub-Heated Oxygen Sensor (Ho2S) Heater Check.
    • Notes
    • Diagnostic Aids
• Wiring Diagrams