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Car alarm keeps going off

2013 Rav 4 less than two months old. Alarm keeps tripping randomly - only at night - mild conditions, 5 - 17 degrees Celsius night time temp - no damage, no cats, very quiet suburban street very weird - any assistance appreciated

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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onyxvu
  • 74 Answers

SOURCE: 2004 SATURN ION Alarm goes off without being armed.

if you have a sunroof, the sunroof drains are clogged. either way you may have a bad door switch. you will have to pull each one out and look for corrosion at the plug. the fronts are most common, they are on either side of the dashboard.

Posted on May 27, 2009

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  • 1 Answer

SOURCE: car alarm going off randomly in very cold weather

I have a 2000 camry and my car alarm only goes off while I'm at work all day long. Is it radio waves and it doesn't do it every day. It is the factory alarm and all the lights and horns go off. My boss is having a fit. What do I do?

Posted on Nov 24, 2009

  • 1 Answer

SOURCE: my car alarm keeps going off randomly on my megane

Finally solved the problem!
Hope this might help all those people out there with intermittent sounding of their car alarm.
Renault Megan Convertible.
Having taken the car back and forth to my Renault dealer and being told that it would now be OK, it still kept intermittently going off after ten minutes when locking the car. Problem never showed up when I took it to the garage, at least the RAC man that came out on a few occasions heard the problem, and just advised me to take back to the garage.
Never had a problem when the roof was down so the garage kept looking for a fault on the interior sensors.
To cut this story short , It turns out to be that when I lock the car and have forgotten to take out my mobile phone (switched on) which I keep in the centre consol. 99% of the time I remember to take it out, thus the reason for the intermittent problem and the phone is always taken out when I take the car to the garage. If the phone is left on the floor or on the seat no problem, only when in the centre console. I also find it only happens when I am using my Blackberry with full data & Bluetooth enabled. It does not do this with my older mobile phone without data & Bluetooth.
Michael

Posted on Apr 11, 2010

mdc674lpn
  • 47 Answers

SOURCE: Hi there,

can you check under hood, there is a fuse box, remove fuse box lid, inside is printed names of circuits if you have an alarm circuit , remove that fuse, then check if car starts and runs, if so, alarm is disabled.

Posted on Jun 13, 2010

  • 4793 Answers

SOURCE: BMW 2004 745LI alarm Keeps going off randomly when

when the hood is "open"you cannot set the alarm so it will go off as it thinks someone is trying to steal it.make sure both catches are operating correctly,a bmw dealer will (should)do the job for nothing(goodwill)my wife always asks nicely......ours is a 1987 3 series coupe...with full dealer history.

Posted on Jun 24, 2010

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1 Answer

How to disconnect the alarm system .


just cut the red wire and isolate him

Nov 20, 2014 | 1994 Mazda 929

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I have a 57 civic hatchback and for no reason the alarm keeps going off randomly mainly at night. Some nights is fine but once it goes of I can set the alarm watch it from inside for a few minutes and it...


1957>??? really?

all alarms are a box with a processor in it, a computer, or puter.
the alarm brain.
so like all computers, garage in , nets you,? garbage out.
called GIGO, in the business.
on newer cars 07+? they will tell you what is wrong, using a scan tool
but many old cars , (my big beef) will not. (best is to kill it forever )
(imagine, all 6 billion cars on earth all with false alarms, a world H3LL that , huh) mines off all the time. nobody listens to them. ever.

fixing old alarms with out my special tools is very very hard.
if lucky , inspect all sensor wires, then replace all switches.
old switches fail and for sure 1957 LOL !!!!!!
in my shop I have a voltage (and others) data logger.
i can connect my logger up and then beat up the doors.
rattle them, even drive and see them mess up.
it logs to a flash card.
old wiring and parts on old cars, all fail.
due to wear and corrosion or water ingress.

some alarms have shake switches, that can tip.
the FSM for your, explains all this if alarm is stock.
nah 1957 hand none. right?
the FSM book covers all tests of the alarm.
get one.
if car is not really 1957
then login to alldata.com and see your stock alarm
if not stock , then post all sticker data on side of it.
or photo it and post it.

tell more get more ,like WHAT CIVIC EXACTLY, there are sub models.



Jul 06, 2014 | Cars & Trucks

1 Answer

Door open sensor trips and alarm sounds


It's either the sensor itself or the wiring from the sensor to wherever it goes. I would start by swapping the two rear sensors and see if the fault moves to the other side. If not it's the wiring which you will need to trace and check all connectors involved.

May 08, 2014 | Ford Escape Cars & Trucks

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Car alarm keeps going off when i remove the key from the ignition rav 4 2002


why not get it fixed.
the security system is faulting
so get it fixed.
or if DIY person, get the FSM read that section
or google for 1hr on your car,
did you read this?

http://justgivemethedamnmanual.com/toyota/toyota-rav4-owners-manual/

have you tried both FOB's one in car at a time.?
after all , one might be stuck in PANIC mode (bad switch)
car came with 2 FOBS, ever have just 1, or bad things happen.
did you read page 184?

Feb 04, 2014 | Toyota RAV4 Cars & Trucks

1 Answer

1997 Lincoln Continentalhorn won't stop honking


First, Have your Battery tested. The Alarm systems in Ford made Products are very sensitive to Voltage. There are 3 systems in the car which interrupt power, the Alarm system (horn honking) and the Battery saver and finally the starter interlock system.

The Alarm system will do several things to disable the car from starting. It will reduce the voltage to the starter to prevent the engine from turning over. Some will even kill the ignition system so that if the starter is jumped, the car still won't start.

The Battery saver will disconnect any system to prevent discharge below a minimum threshold. Unfortunately, when the Alternator is working extra hard to charge a really bad battery: it will disconnect the charging circuit because it reads the Draw going to the Alternator to produce the power as a parasitic drain. Even at 70mph I have seen the charging disconnected and the vehicle coast to a stop when the electric runs out.

The last system worth mentioning is the Starter interlock. Under the dash and at the top of the Brake pedal lever is a switch. When you press the brake pedal, the switch allows the starter to crank provided the shifter is not in D or R. Drivers feet routinely hit this switch and either move it or break it. When it breaks it can short and drain the battery.

As you mentioned a Random problem, the Brake switch can shake to create a random problem if it is loose or broken. Your rear brake lights can be affected.

With the horn honking, at least part of your problem is the Alarm system. You can have a bad ignition switch too, which reads the keychip to disable the alarm. Your keychip may be bad and setting off the Alarm.

I had a new Lincoln myself which set off the Alarm randomly. I actually slept inside the car one night so I could turn off the alarm in the Apartment complex parking lot. Did'nt know if it would start again if the battery was disconnected and then reconnected. The Battery was shorted with less than 1000 miles on the car. It was a factory defective battery less than 3 months old.

But your car has many years and miles on it so it was worth mentioning the wear items. I hope my solution is helpful.

Sep 07, 2012 | 1997 Lincoln Continental

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Aplique alarm 6 14 keeps coming on randomly


The only alarm system I've had is my 12ga with deer slugs.

It shouldn't be too hard to either turn it off, or find the problem power supply. I am thinking the power to the house may have blinked off and on at some point, and the logic of the alarm is freaking out as a result.

Is there a backup battery for the alarm system? If not you could try turning off a circuit breaker at a time until you diagnose which one is powering the alarm system. If you find one that turns the alarm pad off. Leave it off for a few minutes and turn the breaker back on to see if it will reset itself. If the alarm has a battery backup try to remove it and again turn off the circuit breaker. Also search your book for resetting the alarm system.

Dec 01, 2011 | Cars & Trucks

2 Answers

1996 Jeep Grand Cherokee alarm keeps randomly going off.


this happened to me recently with my 96 grand cherokee. the battery got drained by the alarm going off randomly at night. i pulled the fuse for the horn so at least my neighbors would only be bothered by flashing lights. then i couldn't jump the car because the alarm was still going off. i hooked my car to jump it to another car, and then i had to deactivate the alarm first by putting my key in the driver side door and unlocking the car. then i left it hooked to another car and still getting power but didn't jump it for at least 5 minutes in case the computer needed to reset. then it jumped fine. from what i've read online, this is a common problem that can be avoided if you stop using the power locks and always manually lock and unlock the doors with your key. its a little annoying, but apparently the power locks are connected to the alarm issue. hope the same works for you.

Mar 04, 2009 | 1996 Jeep Grand Cherokee

4 Answers

Car alarm going off randomly in very cold weather


you need to turn the sensitivity down check your owners manual or call your toyota dealer for instructions many toyotas have this problem in cold temp's.hope this is helpful

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