Headlamps Fail To Flash When Alarm Is Tripped
Possible Causes:
- Low Beam Headlamp malfunction.
- CTM.
CAUTION:
Always turn ignition off before disconnecting or connecting any control module connector. Failure to do so could result in damage to control module.
NOTE:
Ensure vehicle being tested has a fully charged battery. If it does not, false symptoms may occur.
NOTE:
For component location, see appropriate illustration under COMPONENT LOCATIONS
. For terminal identification, see appropriate illustration under CONNECTOR IDENTIFICATION
. For circuit and wire color identification, see WIRING DIAGRAMS
. For component removal and installation procedures, see appropriate component under REMOVAL & INSTALLATION
.
Testing:
- Turn Low Beam Headlamps on. Do Low Beam Headlamps operate properly? If yes, replace CTM. Perform VEHICLE THEFT SECURITY SYSTEM VERIFICATION TEST under VERIFICATION TESTS. If no, diagnose any Exterior Lighting System symptoms. See SYMPTOM IDENTIFICATION .