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Car Alarm keeps going off.


M S E Refugee

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M S E Refugee

I have got a 2002 RAV-4 and the Car alarm keep going off intermittently, it has been going off all night and it must be pissing off the neighbours.

Can I just take the battery out until I can get an Auto-electrician to look at it, we have phoned all of them in the area and they are booked up for weeks.

If I leave up the Bonnet so far it hasn't gone off.

Edited by M S E Refugee
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Is it really worth going to the trouble and expense of getting an auto electrician to sort it?

Not being funny but I can't imagine a 2002 RAV4 is high on the list of cars worth nicking?

Why not just disable the alarm permanently? 

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Is the car battery in good shape with clean, corrosion-free terminals? Depending on the sophistication of the alarm a low-charge signal from battery to alarm controller can cause random alarm activation.

Is the bonnet latch sensor clean? With the bonnet open and latch sensor disengaged the alarm should recognise that condition (maybe activate the alarm indicator light on dashboard?) and not trigger but if the sensor is full of crud then random activation can happen......give it a good clean!

Could one of the sensors be too sensitive?     Try setting the alarm and gently rocking the car. If the alarm triggers then a faulty sensor is likely.

 

 

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1 hour ago, M S E Refugee said:

If I leave up the Bonnet so far it hasn't gone off

sounds like the bonnet sensor is fuked.....is it one of those plastic pins on a spring? new one and replace yourself?

come on bro the dosbods massive is a rooting for ya!! don't pay! DIY!!

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Snake Plissken

Have you checked manual there isn't a function for turning the alarm off or some of the sensors ? Mine has a couple of things meant for times like when you are a on a ferry or left a pet inside (motion and internal sensors), I had similar problem of it going off at night and setting those options stopped it going off until it was sorted.

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M S E Refugee
14 hours ago, Snake Plissken said:

Have you checked manual there isn't a function for turning the alarm off or some of the sensors ? Mine has a couple of things meant for times like when you are a on a ferry or left a pet inside (motion and internal sensors), I had similar problem of it going off at night and setting those options stopped it going off until it was sorted.

I can't find any way of disabling it.

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M S E Refugee
On 21/01/2022 at 11:12, Royston said:

Is it really worth going to the trouble and expense of getting an auto electrician to sort it?

Not being funny but I can't imagine a 2002 RAV4 is high on the list of cars worth nicking?

Why not just disable the alarm permanently? 

I can't find a way of disabling it.

I agree there is no point having an alarm on such an old Car.

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Frank Hovis

Possibly taking out fuse 7 for the horn would disable it; if the alarm comprises the horn sounding as it did on my old Escort which had various electrical problems all solved by removing fuses.

7 HORN 10 Horn

https://fusecheck.com/toyota/toyota-rav4-xa20-2000-2005-fuse-diagram

 

What triggers the alarm is a voltage change which I used to get in my Escort maybe an hour after a long drive.  The wiring loom was worn somewhere and some wires were shorting against the bodywork.

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Don Coglione
15 minutes ago, SNACR said:

It’s just the car’s way of trying to arrange hook-ups with other gay cars parked in the area. 

RAV-4’s are notorious for it.

Was that an attempt at humour?

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