VOLVO Guard Anti-Theft System

• Description & Operation
  • Notes
  • Alarm Functions
• Component Locations
  • Alarm System Components
• Programming
  • Key Code
  • Problems
  • Control Unit
    • Notes
    • Functions
    • New Programming & Reprogramming
    • Function Programming
• Fault Diagnosis
  • Symptom Testing Index
  • Introduction
  • Fault 1: Alarm Cannot Be Activated Or Deactivated
  • Fault 2: No Auto-Activation
  • Fault 3: Alarm Not Tripped When Door Is Opened
  • Fault 4: Alarm Not Triggered When Hood Or Trunk Lid/Tailgate Are Opened
  • Fault 5: No Alarm (Movement) Sensors, Sensor Loop III
  • Fault 6: No Audible Signal When Alarm Tripped
  • Fault 7: No Visible Signal When Alarm Tripped
  • Fault 8: Start Inhibitor Malfunction
  • Fault 9: Start Inhibitor Does Not Disengage
  • Fault 10: Interior Lights Not Lit Upon Deactivation
  • Fault 11: Central Lock Does Not Lock Or Open - Manual Activation
  • Fault 12: Alarm Activated While Car Is Driven
  • Fault 13: False Alarm
  • Fault 14: Fault Tracing Alarm Wiring
  • Fault 15: Remote Control Has Short Range
  • Fault 16: Erroneous Or No Status Panel Indication
  • Fault 17: No Reactivation
  • Fault 18: Faulty Panic Function
  • Fault 19: Alarm Does Not Remain In Service Mode
  • Fault 20: Service Mode Can Not Be Deactivated
• Wiring Diagrams
  • Notes
  • Circuit Diagrams
  • Connector Identification
    • Detail Diagrams 1981 240 Models
    • Detail Diagrams 1987 740 & 760 Models
    • Detailed Diagrams 1988 760 Models
    • Detailed Diagrams 1986 780 Models