1998 Nissan Altima Unintended beeping and parking light fla

  • 4 CYL
  • 2WD
  • 66,500 MILES
Perhaps once a month or so, while the car is parked in our garage, the horn starts beeping very regularly, like a truck that is backing up. When my wife hears that, I open my back door and I can see that the front left parking light blinks each time the horn beeps. Typically, this happens 3 or 4 times, within an hour or so. (I can't see whether the other parking light blinks.) Typically, there are perhaps 3 or 4 such sessions within 30 or 60 minutes.

My hearing is bad, so I don't hear the horn until I open the door. My wife hears the horn, but she doesn't remember this source from one occasion to another.

My auto mechanic found a Nissan document that explains how some part about 6-inches long inside each of the 4 doors and involved with the door lock is sometimes found to get wet after the car is old, and this causes problems. Nissan changed to a better replacement, but without opening up every door he cannot tell which doors have the old problematic part or the newer replacement.

If I KNEW FOR SURE that this is the problem, I would pay him to replace these parts --- there are other strange things that happen, perhaps from the same cause. (For example, in warm weather & I am driving slowly, sometimes all 4 door locks close of their own initiative, usually while I am using the foot brake.)

He tells me he would have to open up all 4 doors.
I don't want to pay him to take each door apart and discover that the answer might be something different, which might be very expensive to replace.
Do you
have the same problem?
Monday, December 14th, 2009 AT 7:51 PM

1 Reply

  • 19,054 POSTS
Horn and light flashing is an alarm system activating
driving down the road and door locks unlocks or locks
its one of the door pins open most common to be driver door
using proper tools can indicate the troubled area
check with another repair shop as they may have the correct scanner tool to check it for you and no need to remove all door panels
Was this
Wednesday, December 16th, 2009 AT 6:06 AM

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