ECS Engine Control System

• Description
• Operation
  • Notes
  • Electronic Fuel Injection (EFI)
  • Data Sensors
    • Notes
    • Air Flow Sensor
    • Air Temperature Sensor
    • Throttle Position Sensor (TPS)
    • Coolant Temperature Sensor
    • Oxygen Sensor
    • Vehicle Speed Sensor (VSS)
    • Engine Speed
  • Electronic Control Unit (Ecu)
  • Fuel Cut System
  • Diagnostic System
  • Catalytic Converter
• Diagnosis & Testing
  • Diagnosis
    • Notes
    • Diagnose ECS in the following order:
  • Recalling Trouble Codes
    • Notes
    • Entering Diagnostic Mode
    • Diagnostic Code Output
    • Clearing Trouble Codes
    • Exiting Diagnostic Mode
  • System Testing
    • ECS Voltage Tests
    • ECS Resistance Tests
  • ECS Trouble Code Identification
  • Trouble Codes & Probable Causes For Codes
  • Ecu Connector Identification
• Diagnostic Circuit Check
• Trouble Codes 2 & 3 - Air Flow Meter & Circuit
• Trouble Code 4 - Coolant Temp. Sensor & Circuit
• Trouble Code 6 - Ignition Signal
• Trouble Code 7 - Throttle Position Sensor & Circuit
• EFI Circuit Check
• "Check Engine" Lamp Circuit Check
• Component Testing
  • Air Flow Meter
  • Air Flow Meter Specifications
  • Throttle Position Sensor (TPS)
  • TPS Resistance Specifications
• Wiring Diagram
• Adjustments
  • Throttle Position Sensor (TPS)
• ECS Voltage & Resistance Specifications