Engine Controls - System/Component Tests 1.6 & 1.8L

• Introduction
• Diagnosis & Testing
  • Powertrain Control Module (Pcm)
    • Ground Circuit Checks
    • Power Circuit Checks
  • Engine Sensors & Switches
    • Notes
    • Camshaft Position (CMP) Sensor
    • Electrical Load Idle-Up Signal
    • Engine Coolant Temperature (ECT) Sensor
    • Intake Air Temperature (IAT) Sensor
    • Knock Sensor (1.8L VIN 8)
    • Manifold Absolute Pressure (MAP) Sensor
    • Oxygen Sensor-1
    • Heated Oxygen Sensor-2
    • Park/Neutral Position (PNP) Switch (A/T)
    • 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 (EGR) Vacuum Regulator Solenoid
    • Fuel Injector
    • Idle Air Control (IAC) Valve
    • Throttle Opener Solenoid Vacuum (TO SV) Valve
• 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
• Ignition System
  • Notes
  • Timing Control Systems
    • Electronic Ignition Timing Advance
    • Electronic Ignition Timing Retard (1.8L VIN 8)
• Emission Systems & Sub-Systems
  • Exhaust Gas RECIRCULATION
    • EGR System Check
    • EGR Pressure Transducer
    • EGR Vacuum Regulator Solenoid Valve (EGR-VRSV)
    • EGR Vacuum Supply
  • Fuel Evaporation
    • Notes
    • Evaporation Canister (EVAP) Purge Control Valve
    • Evaporation Emission Thermal Vacuum Valve (EVAP-TVV)
  • Positive Crankcase Ventilation (PCV)
    • Required Service - PCV system may require service for an obstructed PCV valve or hose if any of the following conditions exist:
    • A leaking PCV valve or hose could cause:
    • Checking PCV Valve Function
• Circuit Tests
  • Notes
  • Test C2-1: Electrical Load Idle-Up Diode Circuit Check
    • Notes
    • Circuit Description
    • Diagnostic Aids
    • Diagnosis & Repair