Multiplex Control Systems

• Description & Operation
• Component Locations
• Switch Diagnosis Mode
• Self-Diagnostic System
  • Notes
  • Retrieving Codes
  • Clearing Codes
• Diagnostic Tests
  • DTC 11: ETACS-Ecu Fault
  • DTC 12: Column Switch Fault Or Faulty ETACS-Ecu Connection
  • DTC 13: Front-Ecu Fault
  • DTC 21: Shorted Communication Line Circuit
• Wiring Diagrams