Electronic Engine Control I

• Description
• Operation
  • Electronic Control Assembly (ECA)
    • Notes
    • Processor Assembly
    • Calibration Assembly
  • ECA Power Relay
  • Manifold Absolute Pressure (Map) Sensor
  • Barometric Pressure (BP) Sensor
  • Engine Coolant Temperature (ECT) Sensor
  • Inlet Air Temperature (IAT) Sensor
  • Crankshaft Position (Cp) Sensor
  • Throttle Position Sensor (TPS)
  • EGR Valve Position (EVP) Sensor
  • DURA-Spark II Ignition System
  • Air Pressure-Operated EGR System
    • Notes
    • EGR Cooler Assembly
    • Dual EGR Control Solenoids
    • EGR Valve & EGR Valve Position Sensor
  • THERMACTOR Air Control
    • Thermactor Air By-Pass (Control) Solenoid
• Testing & Diagnosis
  • Test Equipment
  • Visual (Pre-Check) Inspection
  • Test Equipment Hook-Up
  • Engine Will Not Start
  • Engine Starts
    • Vehicle Preparation
    • Data Collection
    • Test Sequence I
    • Test Sequence II
    • Data Analysis
  • Component Diagnosis
    • Notes
    • Reference Voltage (Vref) Not Within Limits
    • Manifold Absolute Pressure (MAP) Sensor Not Within Limits
    • Throttle Position Sensor (TPS) Not Within Limits
    • Barometric Pressure (BP) Sensor Not Within Limits
    • Engine Coolant Temperature (ECT) Sensor Not Within Limits
    • Inlet Air Temperature (IAT) Not within Limits
    • Thermactor Air By-Pass (TAB) Solenoid Not Within Limits
    • EGR Valve Position (EVP) Sensor Not Within Limits
    • EGR Solenoid Valve Check
    • Spark Advance Not Within Limits
    • Crank Signal Not Within Limits
• Wiring Diagrams