There room three common reasons responsible because that a malfunctioning alarm system. Proceed reading to discover the culprit.

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This article applies to the Honda Accord (1990-2002).

Nobody likes it as soon as their car"s alarm goes off for no reason. A auto that"s perfectly safe can tempt unwanted attention as soon as the alarm goes off. There space a couple of reasons why one alarm would certainly be exhilaration up. This article will walk over the reasons in bespeak to gain the alarm functioning properly. Some of the reasons encompass a busted hood latch, bad battery, or shortage in the wiring.

Step 1 – Hood latch sensor

A typical reason because that the alarm come continually go off is a bad hood latch connection. Check to check out if this is the instance by disconnecting the hood latch sensor. If the alert starts randomly going off after doing this, then it is absolutely the connector. Often the sensor it s okay dirty with road grime and engine grease, which creates false positives.

Before unplugging the sensor, friend can try to clean the if that looks supervisor dirty through grease. Civilization have had actually luck cleaning it through a cleaner because that brake parts. After cleaning it, they have actually reported the issue going away.To resolve a faulty hood latch sensor, open up your hood and look because that a tiny plunger that has actually a wire on it. It must be top top the external edges close to the headlights.Once you uncover it, disconnect it and wait to view if this addressed the problem.
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Figure 1. Circled in red is the hood latch, and where friend should be able to locate the sensor.
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Figure 2. Some alarms usage a senor that looks like this because that the hood opening detector.
Pro Tip

If you can"t unplug it, it"s not recommended to cut the wire. Girlfriend will have to put some elbow grease to at some point unplug it.


Step 2 – negative battery

If the battery is low, climate trying to begin the car will cause the alarm. This can be conveniently fixed by replacing the battery. If the battery is in good shape, shot taking it come your local auto parts store and also have it tested. If the battery is tho in an excellent shape, then there could be a problem with the charging system (or someone left a dome light on through accident).

Another battery related problem can be corroded terminals. Corroded or dirty terminals can reason a negative connection, which forces the auto to behave as if the battery is low. If they"re dirty, clean them through battery cleaner.

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Figure 3. Voltmeter because that checking the battery voltage.

Step 3 – short wiring

If the over steps have not resolved your problem, climate you can have a quick wiring somewhere in the system. If you have actually an aftermarket alarm, this could an extremely much it is in the case. There have been numerous complaints that audio shops doing a bad wiring job throughout installation. If this is the case, the ideal bet is to take the automobile to the shop that set up the alarm system, so they can discover the quick wire.

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Figure 4. Part aftermarket alarm solution use a lot of wiring, so girlfriend will should take it come the shop.