Module Communications Network System

• Description & Operation
• Repairing Bus Wiring
• Communication Network Diagnostics
  • Inspection & Verification
  • Data Link Diagnostic Test
  • Symptom Testing
• Testing
  • Notes
  • Test A: Anti-Lock Brake System (Abs) Module Does Not Respond To NGS Tester
  • Test B: Driver's Door Module (DDM) Does Not Respond To NGS Tester
  • Test C: Natural Gas Vehicle (NGV) Module Does Not Respond To NGS Tester
  • Test D: Electronic Automatic Temperature Control (EATC) Module Does Not Respond To NGS Tester
  • Test E: Electronic Crash Sensor (ESC) Module Does Not Respond To NGS Tester
  • Test F: Lighting Control Module (LCM) Does Not Respond To NGS Tester
  • Test G: Passive Anti-Theft System (Pats) Module Does Not Respond To NGS Tester
  • Test H: Powertrain Control Module (Pcm) Does Not Respond To NGS Tester
  • Test J: No Module/Network Communications - ISO 9141 Link
  • Test K: No Module/Network Communications - Bus Link
  • Test L: No Module/Network Communication
• Wiring Diagrams