Diagnostic Test

CHECK FOR AN ACTIVE DTC
NOTE:
Diagnose any related Communication DTCs before continuing.
1. Turn the ignition off and remove the key from the ignition.
2. Lock and close all doors to allow the VTSS to go from pre-arm to armed status and wait one minute.
3. Disarm the VTSS.
4. With the scan tool, read DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Inspect wiring from ITM to Siren for an intermittent open condition. Check connector terminals for push out, corrosion or loose terminal contact. If OK, replace the Siren.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 2
INTERMITTENT CONDITION
NOTE:
Check for any of the follow conditions:
- Poor wire to terminal connection
- Corroded terminals
- Pushed out or loose terminals
- Broken wire internal to the insulation
Were there any problems found?

Yes
- Repair the wiring as necessary.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .