Module Communications Network System

• Specifications
• Description & Operation
  • Communications Network
• Diagnosis & Testing
  • Communications Network
    • Notes
    • Principles of Operation
      • Notes
      • System Precheck
    • Inspection & Verification
    • Pinpoint Test PC: Data Link Diagnostics Test
    • Symptom Chart
    • Pinpoint Tests
      • Pinpoint Test A: The 4-Wheel Anti-Lock Brake (4WABS) Control Module Does Not Respond To The Diagnostic Tool
      • Pinpoint Test B: The Generic Electronic Module (Gem) Does Not Respond To The Diagnostic Tool
      • Pinpoint Test C: The Restraint Control Module (RCM) Does Not Respond To The Diagnostic Tool
      • Pinpoint Test D: The Central Security Module Does Not Respond To The Diagnostic Tool
      • Pinpoint Test E: The Powertrain Control Module (Pcm) Does Not Respond To The Diagnostic Tool
      • Pinpoint Test F: The Four Wheel Drive (4WD) Control Module Does Not Respond To The Diagnostic Tool
      • Pinpoint Test G: No Module / Network Communication -ISO 9141 Network
      • Pinpoint Test H: No Module / Network Communication -SCP Link
      • Pinpoint Test I: No Module / Network Communication -No Power To The Diagnostic Tool
• General Procedures
  • Communication Circuit Wiring Repair