Alarm system goes off on its own

Tiny
DELBERT SHAW
  • MEMBER
  • 1995 NISSAN 240SX
  • 2.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 205,000 MILES
Sometimes my alarm goes off for no reason. The horn and lights flash. Does not happen at any particular time or weather. What is happening with my factory installed alarm?
Sunday, March 18th, 2018 AT 6:26 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Triggering points are door and hood switches. If sonar sensors are used, they could also be the cause of self triggering.
Check all door switches and ensure door adjustments are correct. If you have the door ajar indicator flashing intermittently while driving, that is an indication one of the switches is out of adjustment.
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Wednesday, March 21st, 2018 AT 10:30 PM

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