The anti-theft system on your Honda Accord helps to prevent unauthorized starting of the vehicle. But, if you need to change your battery, you will need to disable the alarm. If you forget to do this it will go off and you'll need to reset the system. Once the alarm goes off, you need to know how to shut it off, and then how to reset the anti-theft system.

All you need for this is your ignition key. Start your Honda Accord's engine and allow the vehicle to run for at least 10 minutes. This will allow the Accord to reset the alarm. When you're done, you can shut off the Accord and arm the system as usual.

This article was written by the It Still Works team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information. To submit your questions or ideas, or to simply learn more about It Still Works, contact us. Step 1 Insert the ignition key in the Accord's driver-side door lock.

Technical Information Immobilizer Re-key

Step 2 Turn the key to the unlock position. Step 3 Turn the key to the lock position. Step 4 Turn the key back to the unlock position. The alarm should now be disabled. Haynes; About the Author This article was written by the It Still Works team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information.The immobilizer system is an antitheft device.

HONDA - Anti-Theft/Engine Immobilizer Explanation, DIY Learning Tutorial

If your key is working, the green immobilizer light on your dash should light up briefly when you crank the engine and then turn off. Q: What is the immobilizer system? What is the immobilizer system?

Thank YourMechanic. Remove the key from the ignition and try it again, but the key may need to be reprogrammed. Was this answer helpful? Thank you for your feedback! Sorry about that. Why wasn't this information helpful? The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details. Related Questions. Blinkers and brake lights by Tyler.

What Do the Immobilizer Warning Lights Mean?

Check engine light on brand new car by Nauman M. How do I unlock the trunk with the key? What fuel should I use on my car? I hear a loud clicking noise on the drivers side by my tire rim when turning the steering wheel front tires vibrating as well. Home Questions. Year I don't know. What others are asking I have a Honda Inspire. Since having this car, i never had any issues with it. Now it tends to idle at times, then the AC on Hello, thank you for writing in.

You may have several issues going on at once. With the mileage of the vehicle being just overmiles, you may want to consider several maintenance procedures and updates. When it comes to Read more. White milky stuff in oil cap and loosing coolant around two cups a week If you have a continuing coolant leak, and the leak does not appear to be external, there is a possibility that coolant is leaking into the crankcase.

Depending on the engine design, such a coolant leak could be via the What does the Transmission indicator light on the dash mean? The Transmission Indicator light on the dash of your Civic if your car is so equipped offers important information.

It should come on when you crank the engine, and then go out. Related articles. Likely affordability, safety, and fuel economy are high on the list. Perhaps no model exemplifies this more than the Scion tC. Back inScion gave this vehicle a facelift and, by the following year, Browse other content.Anti-theft systems are designed to prevent your vehicle from being stolen. These systems are constantly evolving. An anti-theft system may also integrate a car alarm or it might be just an engine immobilizer.

This may be for many reasons including a dead car battery that loses its key memory or a dead battery in your remote. It could also be that your immobilizer chip is damaged in your key or the car door lock is damaged.

Step 1: Check your key fob battery. Make sure the battery is installed correctly in your key fob. If the battery is correctly installed, replace it with a fresh battery and try again. Step 2: Check your door lock cylinder. If your car has been damaged in an attempt to steal it or break into it, the anti-theft system may have been engaged.

Check for damage to the lock cylinder itself or under the door handle where would-be thieves may have punched through with a screwdriver. If the lock is damaged, try using the passenger side cylinder if your car has one. Step 3: Check that you are using the proper key to start your car.

The key you are using may not have the chip required to start your car. Step 1: Check for the anti-theft light. Step 2: Turn the ignition to the "on" position. Insert the key into the ignition and turn it to the on position, which activates your accessories but not the engine.

Step 3: Check the anti-theft light again. Step 1: Insert your key in the lock on the door. Step 2: Turn the key. Hold the key in this position for 20 to 30 seconds. This lets the system know you have the correct key, and it can allow you to bypass the alarm system.

Some vehicles recognize the key simply by turning the key back and forth in the door lock key cylinder.

honda immobilizer system

An anti-theft system that prevents your car from running properly is a nuisance, and while you may be thankful for it in the event of a crime, it is now causing you a great deal of inconvenience, which these steps have hopefully helped you resolve. If your car still won't start, you should consult with a professional from YourMechanic to determine if there is another issue that is preventing your car from starting. The most popular service booked by readers of this article is Electric Problems Inspection.

Our certified mobile mechanics make house calls in over 2, U. Fast, free online quotes for your car repair. Schedule Electric Problems Inspection. Service Area.

Does anyone know about the immobilizer system in Honda Civics?

Average rating from customers who received a Electric Problems Inspection. Method 1 of 3: Check your key and cylinder Step 1: Check your key fob battery. Leave the key in position for about 10 — 15 minutes. Step 4: Start the engine. Attempt to start your engine. Step 5: Repeat the process.This is the standard Honda immobilizer reprogramming process. You will use the VIN number from your Acura.

Hondata cannot provide any assistance with the immobilizer programming process using the Honda HDS diagnostic tool. This information is provided on an as is basis. In short Honda diagnostic tool reads the key codes from the immobilizer unit around the ignition barrel and writes them to the ECU.

The transponder codes in the keys must match the codes in the immobilizer and match the codes in the ECU for the car to start. A PDF version of this document is available here.

Scroll to the bottom and check the status of the immobilizer. It should read BAN with a Red dot. Do not use System Check. It often returns incorrect information. Follow the instructions and enter the immobilzer reprogram code as provided by Honda. The transponder codes in the keys must match the codes in the immobilizer and match the codes in the ECU for the car to start A PDF version of this document is available here. The tool should be the newer touch screen Windows based tablet.

The earlier diagnostic tool with the 10cm by 10cm black and white screen is less reliable for reprogramming immobilizers. Select Data list.The immobilizer system protects your vehicle from theft. When you turn the ignition switch to the ON II position, the immobilizer system indicator should come on briefly, then go off.

If the indicator starts to blink, it means the system does not recognize the coding of the key. Do not attempt to alter this system or add other devices to it. Electrical problems could result that may make your vehicle inoperable. This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: 1 This device may not cause harmful interference, and 2 this device must accept any interference received, including interference that may cause undesired operation.

Operation is subject to the following two conditions: 1 this device may not cause interference, and 2 this device must accept any interference that may cause undesired operation of the device. It is switched off automatically when the audio system is switched off or by a long press on MODE. If the system repeatedly does not recognize the coding of your key, contact your dealer.

honda immobilizer system

If you have lost your key and cannot start your engine, contact your dealer. Always take the ignition key with you whenever you leave the vehicle alone. Keys and Locks The master key fits all the locks on your vehicle. You can keep the glove box locked when you leave your vehicle an LOCK 0 - You can insert or remove the key only in this position.

To turn the key, the shift levWe are a team of ASE certified mechanics that have created this guide for you to help save you money and get you back on the road. If the security light is blinking the immobilizer system is enabled and will not allow the car to start.

Most cars today have a security system built into the electrical system BCM - Body control module to deter from theft. The problem is it can sometimes stop the person that owns the car from starting the engine as well. These anti-theft systems can sometimes get the operational sequence out of sync which makes the system think the car is getting stolen epically after a repair job. This can sometimes happen when there is no one in the car but the window is rolled down while the car is locked.

Someone will reach their hand inside and unlock any of the doors. Another common way for the system becoming triggered is to simply disconnect the battery to install a new unit or if the battery is allowed to go dead and then jump started.

These can sometimes cause an electrical surge triggering the immobilizer system. Car alarms are designed to prevent burglary of the car and warn the owner if a theft attempt is being made.

Usually a car alarm will output a high pitched sound when the system is triggered by vibration, closed or opened trigger switches or sensing of small and fast changes in battery voltage. Car alarms can also monitor sensors like infrared, microwave, ultrasound or tilting of the vehicle in the case of unauthorized towing. Some cars have alarm systems which send out SOS signals to a cell phone number in case of breakdown or theft.

Alarm systems are also incorporated within a navigation system to increase the security of the car. The navigation system will send out a ping signal so the car can be received. The security system can also be used to locate the car in large parking lots by using the conformation chirp on the remote fob. Sometimes a car alarm can give out a false alarm when it feels vibrations of thunder or a passing truck.

Sensors need to be adjusted properly otherwise it can trigger the device even when a person accidentally touches the automobile as well. For people who want added security for their cars can have a police tracking system installed with the help of services like On Star.

These systems come with an additional cost which is to be paid on a regular basis. Security systems utilize a remote controller key fob so a user can disable the alarm from a distance. The remote control feature is very convenient if the system is triggered by a false alarm.

A key fob can integrate a variety of functions such as a LCD screen option which can project the image of a part of a vehicle that is under threat by a thief is one example. A simple response to this question is in most cases no. Security systems are designed throughout the main PCM and BCM which control a major part of the vehicle's operating system.

Until this system is enabled many systems such as fuel and ignition are shut down.That is because the immobilizer system is turning off the fuel injectors and the ignition system so that the car will not start.

You're right in the range where the original battery life is expired. Replace the battery and your problems will be solved. I'll send you so info on the immobilize system to your email address but I am almost certain that your problem is the car battery and not the immobilizer. You should have received a key number plate with your keys. You will need this key number if you ever have to get a key replaced. Keep the plate stored in a safe place. If your Honda is equipped with an Immobilizer Theft-Deterrent System, your keys contain a transmitter in the key head, which signals a control unit to activate the ignition system.

Without this signal, your car will not start. The Immobilizer Theft-Deterrent System protects your vehicle from theft. A properly coded ignition key must be used in the ignition switch for the engine to start.

If an improperly coded key or other device is used, the engine's starting circuit is disabled. If the indicator starts to blink, it means the system does not recognize the coding of the key.

honda immobilizer system

The system may not recognize your key's coding if the key is in contact with a key from another immobilizer system. If you have a key from another vehicle's immobilizer system, keep it separate. Do not attempt to alter this system or add other devices to it. Electrical problems could result that may make your vehicle inoperable. Never had any problem with key immobilizer until my neighbor installed a tv satellite dish approximately 15 feet from my car,ever since I have had problems.

I get the car towed about 2 miles away,and it starts right up. Can tv signal be causing the problem. Fran P. I've had no problems with a Honda Civic until I tried to start it tonight and the Key icon was flashing on the instrument panel and car would not start.

Someone jumped me but when I turned key off - the car is dead again. Any advice??? Do you think someone tried to break in?? Why would this happen???? Not sure what to do next. FPavick yahoo.

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