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6 votes

How to disable the seat belt alarm on a 2011 Tacoma?

For a really quick solution, try getting hold of a spare seatbelt from a scrap vehicle (I doubt the shape changes often, so I expect any reasonably recent Toyota would do, just get one that is the ...
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  • 28.6k
6 votes

Why is a modem triggering car alarm?

The Volvo V70 factory alarm siren has a battery that would probably be bad by now. It's sealed in. When the voltage drops it will cause the alarm to go off for seemingly no reason. Check that first, ...
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3 votes

How to setup an emergency brake warning system?

Well, the thing is, you already have this two different ways in the car. If the transmission is not in Park or Neutral, the ignition should not release the key. If you open the door and the key is ...
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  • 12.1k
3 votes
Accepted

Alarming sound for indicator symbols on the instrument cluster on Hyundai i30

There can be multiple explanations for this: 1. Disabled the speaker through OBD port (some manufactures give you an option to disable this in the software using a laptop connected to your OBD port). ...
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3 votes

Why is a modem triggering car alarm?

from wikipedia: Certain car manufacturers use the 2.4 GHz frequency for their car alarm internal movement sensors. These devices transmit on 2.45 GHz (between channels 8 and 9) at a strength of ...
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  • 171
3 votes
Accepted

Honda Odyssey alarm goes off randomly

I have a workaround and its been in place about 6 weeks over 1 year now, so I feel confident to post it. I left the vehicle with my prefered independent mechanic for two days. Regretfully the alarm ...
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3 votes

2016 Toyota Camry Automatic Alarm Lock

According to the owner's manual I found online, once all doors and trunk are closed, then locked, the alarm automatically activates after 30 seconds. There may not be an external indication of this, ...
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  • 12.1k
3 votes

Honda Odyssey alarm goes off randomly

We were dealing with a similar problem with a 2003 Odyssey. We watched the YouTube video and disconnected the hood switch connector, and the problem was improved for several months. Out of nowhere ...
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  • 31
3 votes

Factory panic alarm going off after changing battery [97 Toyota Camry]

Same thing just happened to my 93 landcruiser...changed battery and alarm kept going off, it shuts off after a few cycles but the immobilizer would not allow the car to start. Tried everything, and ...
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  • 31
3 votes
Accepted

Parking brake alarm will not stop

Check to ensure you have enough fluid in the brake master cylinder. A lot of vehicles have the sensor which detects the level of the fluid in on the same circuit as the parking brake. If you find this ...
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3 votes
Accepted

Volvo S40: Identify cause of alarm triggering

I was mistaken when I said the module was in great shape. Although the battery had a good charge and the circuit board was intact, I later noticed that the connection between the two had a significant ...
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  • 3,002
3 votes

Can the OBD port be used to disable the car alarm?

Maybe someones google skills are better than mine. I wasn't able to find custom firmware to flash the Smart Junction Box and disable the perimeter alarm. You would still need a J2534 device to ...
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  • 10.7k
3 votes

Is there any reason that arming a car alarm honks or is it a holdover from the days when only luxury cars had alarms?

It has been my experience the reason why they honk is to tell you it's locked. Okay, that was anticlimactic, right? What I'm getting at is, if something on the vehicle is preventing the entire car ...
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2 votes

Old immobiliser playing up, won't add new transponders

With very old aftermarket electronics the only real thing that can be done is removing the system. With aftermarket electronics there is little to no support, no replacement parts and no predictable ...
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  • 15.9k
2 votes

How can I connect the flashing light circuit from an alarm into the main vehicle lighting on a Toyota Hiace van?

I believe the best place to make this change would be at the fuse box using a separate fuse. You will need a wiring diagram for your vehicle to identify the wires going from the fuse box exclusively ...
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  • 1,722
2 votes

VW Golf electrics problem with door closed

If it's a 55 plate I assume it's either a very late Mk IV or most likely a Mk V. The Mk VI didn't start until 08. I suspect that it's most likely to be a wiring issue with the module in the drivers ...
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2 votes

Honda Odyssey alarm goes off randomly

In my car, the reason for the alarm going off randomly was water leaking from the "body seam" on the roof, through the left front pillar, and zapping the computer.
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2 votes

I hate thieves - Ideas on DIY deterrents

Basically, you want a device to activate when the 'system' is 'armed' and the door is opened. The easiest way to do this would be to tap into one of the outputs of an existing system, or install an ...
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  • 8,413
2 votes

How to disable the seat belt alarm on a 2011 Tacoma?

The safe way of turning seatbelt chime/alarm off During these steps, do not touch the brake at all shut the door. turn the key on and get your instrument panel on ODO and turn key off. turn the key ...
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2 votes

Honda Accord 97 won't start without fob button but I lost my fob

So I found a manual inside the car that has some information on how to disable it. Apparently the security system is from a company or brand called VPS. The solution was to quickly turn the key in ...
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  • 131
2 votes

2011 Honda Civic: new battery, alarm will not stop

Your car is equipped with both an immobilizer and a theft deterrent alarm (the beep beep one). Just the theft alarm beeping WILL NOT prevent starting, only the immobilizer does that. (Assuming this is ...
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  • 3,205
2 votes

I took the battery off my car 2006 Honda CR-V

I assume an aftermarket car alarm system. Factory-installed security systems generally behave better (with some exceptions and I am not aware if your Honda is among the bad exceptions). It is pretty ...
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  • 1,912
1 vote

Volvo S40: Identify cause of alarm triggering

Does the alarm trigger only when the vehicle is locked or also when driving? It doesn't seem clear from your question. You need a good diagnostic scanner, a generic OBDII will not be good enough. You ...
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  • 2,742
1 vote

Wiring a switch in horn line for on/off operation

Some horns have one wire (supply) and the earth is completed by the fixing, others have two connections (supply and earth). All you need is to put a single pole switch capable of 6 amps or so between ...
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  • 34.4k
1 vote
Accepted

How to setup an emergency brake warning system?

You're looking for two switches/circuits. The "door is open" circuit, which closes/energizes when a front door is open. The main purpose of this circuit is to light the dome light. The "Park/...
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1 vote

How to setup an emergency brake warning system?

Why not use a small 12v buzzer, relay and a push type switch (push to close) fitted to the handbrake so that if the door is open the buzzer sounds : just have the relay "earth" through the door switch ...
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  • 34.4k
1 vote
Accepted

My '06 Nissan 350z (UK) alarm goes off when battery connected

This is what i did to resolve this: 1) Open the door, pop the bonnet, Disconnect the battery. Technically an optional step, but it's good for your hearing... 2) Use the cable emergency release under ...
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1 vote

Add sensors to stock car alarm

If you said what make, model and year the car was it might help, if that model was available with motion, ultrasonic or tilt sensors it will be possible to retrofit them. Retrofitting a factory ...
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  • 2,742
1 vote

Add sensors to stock car alarm

You can get extremely cheap and low-power motion sensors (PIR type). They consume current in the microamp-milliamp range (5V) when active, so it won't run down your battery. When triggered by motion,...
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  • 111
1 vote

How can I connect the flashing light circuit from an alarm into the main vehicle lighting on a Toyota Hiace van?

recently... i have done this before. What i'm doing is... i connect directly to left/right respectively. one wire connect to left signal and another one to to right signal. For simple car, i think ...
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  • 11

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