Engine Controls - System/Component Tests

• Introduction
• Computerized Engine Controls
  • Powertrain Control Module
    • Ground Circuits
    • Power Circuits
• Engine Sensors & Switches
  • Air Charge Temperature (Act) Sensor
  • BRAKELIGHT Switch
  • Camshaft Position Sensor (CMP)
  • Clutch Switch (M/T)
  • Crank Angle Sensor
  • Engine Coolant Temperature (ECT) Sensor - NAVAJO
  • Heated Oxygen Sensor (Ho2S)
  • Inertia Fuel Shutoff (Ifs) Switch
  • Knock Sensor
  • Mass Airflow (MAF) Sensor
  • Neutral Switch
  • Power Steering Pressure Switch (PSPS)
  • Throttle Position Sensor
  • Variable Reluctance (VR) Sensor
    • Navajo
  • Vehicle Speed Sensor (VSS)
• Relays & Solenoids
  • Relays
    • Circuit Opening Relay
    • Fuel Pump Relay
    • EEC Power Relay
  • Solenoids
    • Backpressure EGR Vacuum Regulator Valve
    • Canister Purge (CANP) Solenoid
    • Fuel Injectors
    • Fuel Injector Resistance
• Fuel System
  • Fuel Delivery
    • Notes
    • Circuit Opening Relay
    • Fuel Pump Circuit
    • Fuel Pump Relay
    • Inertia Fuel Shutoff (IFS) Switch
    • Fuel Pressure Regulator
    • Fuel Pressure Regulator Pressure Leakage
    • Pulsation Damper
  • Fuel Control
    • Fuel Injectors
    • Injector Fuel Leakage (B4000)
    • Injector Fuel Leakage (Navajo)
• Idle Control System
  • ISC System
    • Idle Speed Control (ISC) Solenoid
• Ignition System
  • Notes
  • Pinpoint Tests
    • Notes
    • Pinpoint Test B (IDM Failure Code 212)
    • Pinpoint Test C (Lack Of Power Or Poor Fuel Economy Code 213)
    • Pinpoint Test D (No Start Or Coil Failure Code 232)
• Emission Systems & Sub-Systems
  • Deceleration Control System
    • Notes
    • EGR Control Valve
  • EGR (CALIFORNIA)
    • System Check
    • EGR Control Valve
  • Fuel Evaporation
    • Canister Purge (CANP) Solenoid
    • EVAP Canister
  • Positive Crankcase Ventilation (PCV)
    • System Inspection
  • Thermostatic Air Cleaner (TAC)
    • Air Cleaner Temperature Sensor
    • Air Control Door
• Miscellaneous Controls
  • A/C Clutch
    • Wide Open Throttle A/C Cut-Out (WAC) & A/C Demand Switch