Computerized Emission Control

• Description
• Operation
  • Notes
  • Fuel Control
  • Data Sensors
    • Oxygen Sensor
    • Thermal Electric Switch (TES)
    • Adaptive Vacuum Switch (AVS)
    • Open Loop 1 (OL1) Coolant Temperature Switch
    • Open Loop 2 (OL2) Mechanical Switch
    • Open Loop 3 (OL3) Vacuum Switch
    • Open Loop 4 (OL4) Vacuum Switch
    • Wide Open Throttle Switch (WOT)
    • Engine RPM Voltage
    • Timer
  • Micro Computer Unit (MCU)
    • Notes
    • Initialization
    • Open Loop
    • Closed Loop
    • Open Loop Position Variation
  • Catalytic Converter
  • Diagnostic System
• Diagnosis & Testing
  • Notes
  • CEC Diagnosis
    • Notes
    • Trouble Code "11" ("FLASH", pause, "FLASH")
    • Trouble Code "12" ("FLASH", pause, "FLASH", "FLASH")
    • Trouble Code "14" ("FLASH", pause, "FLASH", "FLASH", "FLASH", "FLASH")
    • Trouble Code "21" ("FLASH", "FLASH", pause, "FLASH")
    • Trouble Code "23" ("FLASH", "FLASH", pause, "FLASH", "FLASH", "FLASH")
    • Trouble Code "24" ("FLASH", "FLASH", pause, "FLASH", "FLASH", "FLASH", "FLASH")
  • Testing
    • Notes
    • Test Equipment
• Maintenance
• Removal & Installation
  • Micro Computer Unit (MCU)
    • Removal & Installation
  • Stepper Motor
    • Notes
    • Removal & Installation
  • Coolant Temperature/Intake Manifold Heater Coolant Temperature Switch
    • Removal & Installation
  • Vacuum Switches
    • Removal & Installation
  • Oxygen Sensor
    • Removal & Installation
  • Timer
    • Removal & Installation