MCU Engine Control System

• Description
• Operation
  • Microprocessor Control Unit (MCU)
  • Engine Sensors
    • Coolant Temperature
    • Engine Load Sensor
    • Oxygen Sensor
    • Engine Speed
    • Knock Sensor
    • Self-Test Connector
  • Engine Controls
    • Notes
    • Thermactor Controls
    • Air/Fuel Controls
    • Canister Purge Solenoid
    • Throttle Kicker
    • Ignition Control
• Diagnosis & Testing
  • Notes
  • Equipment Required
  • Preparation For Testing
  • Functional Test
    • Notes
    • Key On, Engine Off Test
    • Engine Running Test (4 and 6 Cylinder)
    • Engine Running Test (V8)
  • Non-Code Tests
    • Notes
    • Canister Purge Check (6 Cyl.)
    • Spark Retard Solenoid Check (6 Cyl.)
    • Cold Drive Complaint (4 and 6 Cyl.)
    • Closed or Light Throttle Drive Complaint (All)
    • Spark Knock Test (V8)
• Instructions For Using Sub-Routine Tests
• 4 & 6 Cylinder Sub-Routines
• V8 Sub-Routines