TCCS 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 (CTS)
    • Oxygen (O2) Sensor
    • Vehicle Speed Sensor (VSS)
    • Engine Speed
    • A/C Switch
    • Neutral/Start Switch
  • Electronic Control Unit (Ecu)
  • Electronic Spark Advance (ESA) System
  • Idle Speed Control (ISC) System
  • EGR Control
  • Electronic Controlled Transmission (ECT)
  • Diagnostic System
  • Catalytic Converter
• Testing
  • Diagnostic Procedure
    • Diagnose the TCCS system in the following order:
  • Recalling Trouble Codes
    • Notes
    • Entering Diagnostic Mode
    • Diagnostic Code Output
    • Clearing Trouble Codes
    • Exiting Diagnostic Mode
  • System Testing
    • TCCS Voltage Tests
    • TCCS Resistance Tests
  • TCCS Voltage & Resistance Specifications
  • Trouble Code Definitions
  • Diagnostic Circuit Check
  • Injector Circuits Check
  • Trouble Code 11 - Main Relay & Circuit
  • Trouble Codes 12 & 13 - Rpm Signal
  • Trouble Code 14 - IGNITOR & Circuit
  • Trouble Code 21 - Oxygen Sensor
  • Trouble Code 22 - Coolant Temp Sensor & Circuit
  • Trouble Codes 23, 31, & 32 Air Flow Meter & Circuit
  • Trouble Code 41 TPS Sensor & Circuit
  • Trouble Code 43 Ignition & Starter Circuits
  • ISC & Circuit Check
• Component Testing
  • Air Flow Meter
  • Idle Speed Control (ISC) Valve
  • Throttle Position Sensor (TPS)
• Adjustments
  • Throttle Position Sensor (TPS)
• Wiring Diagrams