FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Alarm Trips On Its Own







*ALARM TRIPS ON ITS OWN

For a complete wiring diagram Consult Diagrams/Electrical





Diagnostic Test

1. LAST VTSS CAUSE
With the scan tool in Inputs/Outputs, read the VTA Tripped By state.
Were there any causes displayed?

Yes

- Check for a possible intermittent condition with the circuit indicated by the scan tool.
- Perform VTSS VERIFICATION TEST - 1A. Vehicle Theft Security Verification Tests

No

- Go To2

2. INTERMITTENT CONDITION

NOTE: The condition that caused the alarm is not present at this time. The following list may help to identify the cause of the intermittent condition.

Search for any Technical Service Bulletins (TSB) that may apply.
Visually inspect related wiring harnesses. Look for chafed, pierced, pinched, or partially broken wires.
Visually inspect the related wiring harness connectors. Look for loose connections, broken, bent, pushed out, or corroded terminals.
Were any of the above conditions present?

Yes

- Repair as necessary
- Perform VTSS VERIFICATION TEST - 1A. Vehicle Theft Security Verification Tests

No

- Test Complete.