Engine Controls - System/Component Tests

• Introduction
  • Notes
  • 1994 Terminology
• Computerized Engine Controls
  • Powertrain Control Module (Pcm)
    • Ground Circuits
    • Power Circuits
• Engine Sensors & Switches (Pcm Inputs)
  • Notes
  • Barometric Pressure (BARO) Sensor
  • Clutch Pedal Position (CPP) Switch
  • Crankshaft Position (CKP) Sensor
  • Engine Coolant Temperature (ECT) Sensor
  • EGR Valve Position (EVP) Sensor/EGR Vacuum Regulator (EVR)
  • Heated Oxygen Sensor (Ho2S)
  • Inertia Fuel Shutoff (Ifs) Switch
  • Intake Air Temperature (IAT) Sensor
  • Knock Sensor (KS)
  • Manifold Absolute Pressure (Map) Sensor
  • Mass Airflow (MAF) Sensor
  • Park/Neutral Position (PNP) Switch
  • Power Steering Pressure (PSP) Switch
  • Throttle Position (TP) Sensor
  • Vehicle Speed Sensor (VSS)
• Relays & Solenoids
  • Relays
    • Notes
    • Fuel Pump Relay
  • Solenoids
    • Air Management Solenoid
    • Canister Purge (CANP) Solenoid
    • EGR Solenoid
    • Idle Air Control (IAC) Solenoid
• Fuel System
  • Notes
  • Fuel System Pressure Release
  • Fuel Delivery
    • Notes
    • Fuel Pump Relay
    • Fuel Pump Testing
    • Fuel Pressure Regulator
    • Fuel Selector Valve
  • Fuel Control
    • Fuel Injectors
    • Injector Circuit
• Idle Control System
• Ignition Systems
• EI System High Data Rate
  • Notes
  • Engine Controls - System/Component Tests
    • Preliminary Check
    • Test Equipment
    • Diagnostic Aids
  • Pinpoint Test A
  • Pinpoint Test B (Code 212 Or 226)
  • Pinpoint Test C (Code 213, Lack Of PWR Or Poor Fuel Economy)
  • Pinpoint Test D (Code 215, 216, 217 Or 232)
• Emission Systems & Sub-Systems
  • Secondary Air Injection
    • Notes
    • Air Supply Pump
    • Air Silencer/Filter (Air Pump & Pulse Air Inlet)
    • Air Injection By-Pass Valve (Normally Closed)
    • Air Injection By-Pass Valve (Normally Open)
    • Air Check Valve
    • Air Injection Diverter Valve (Without Vent)
    • Air Pump Resonator
    • Combination Air By-Pass/Air Control Valve
    • Dual Air Control Solenoid Valves
    • Air Injection Solenoid Valve
    • Vacuum Check Valve
    • Vacuum Reservoir
  • Exhaust Gas RECIRCULATION (EGR)
    • Notes
    • Differential Pressure Feedback Electronic (DPFE) Sensor
    • Electronic EGR (EEGR) Valve
    • EGR Vacuum Regulator (EVR)
    • Vacuum Check Valve
    • Vacuum Reservoir
  • Fuel Evaporation
    • Canister Purge Regulator (CPR) Valve
    • Canister Purge (CANP) Solenoid
    • EVAP Canister
  • Positive Crankcase Ventilation (PCV)
    • PCV Valve
  • Thermostatic Air Cleaner (TAC)
    • Air Cleaner Temperature Sensor
    • Air Control Door
• Wiring Diagrams