How To Deactivate Toyota Immobilizer? 3 Ways – 5 Easy Steps You Should Know new for 2022

How To Deactivate Toyota Immobilizer? 3 Ways - 5 Easy Steps You Should Know
How To Deactivate Toyota Immobilizer? 3 Ways – 5 Easy Steps You Should Know

Toyota immobilizers are a great theft deterrent, but what if you lose your key or the battery dies?

If you lose your key or the battery on your Toyota immobilizer dies, you’re going to have a hard time getting back on the road. Most people don’t know how to deactivate a Toyota immobilizer, but we’re here to show you how.

In this article, Amortips will show you 5 easy steps to follow on How To Deactivate Toyota Immobilizer? We’ll also provide some tips on how to keep this from happening again in the future.


What Exactly Is An Engine Immobilizer?

What Exactly Is An Engine Immobilizer?
What Exactly Is An Engine Immobilizer?

An engine immobilizer is an electronic device that is installed in automobiles. This device prevents the engine from starting unless the correct key is used.

In a Toyota, the engine immobilizer is an important aspect of the vehicle’s safety system. An immobilizer is a car anti-theft device that is developed and fitted to prevent theft.

You can’t be in your car 24 hours a day, no matter how much you love it, and when you can’t be with it, the engine immobilizer will keep it secure and out of the hands of thieves.

Mechanism of Immobilizer Action

To start the car with standard locks, we just need a key with edges that fit the keyhole. To unlock it using the Immobilizer system, we will need a unique key with an encoder built in.

This series of codes is created at random every time you start the automobile, and only yours has the necessary opening code.

Some Problems Your Toyota Immobilizer Can Get

Problem Solving

Each kind of smart key with a decoder has a certain range for transmitting information, and you must stand inside that range to unlock the automobile. If you’ve been standing near the car and still can’t access it, the problem is most likely with the immobilizer.

If this occurs, the best recommendation is to deal with the matter as soon as possible. Because certain modern vehicles lack a manual unlocker, you will be unable to enter.

Locking Issues

Lock difficulties will bring you no more little inconvenience than troubles unlocking. Things might become worse if the car door does not shut correctly and opens while the vehicle is moving.

The engine will not start.

If the lock does not function properly, the engine will not start because the ignition and fuel injectors do not get power. Although there are several reasons why the machine may not be working, you should also check to see whether the problem is caused by the Immobilizer system.

Car Alarm Issues

If you no longer hear the alarm while opening or shutting the door, there may be a problem. Furthermore, the constant on and off alarm system is an odd symptom.

Indicators of an Active Immobilizer

In addition to obvious characteristics, the indicator light allows us to assess the functioning of the Immobilizer. Because the control panel’s anti-theft light will emit light to indicate the state of the anti-theft system.

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As a result, if you can still access the automobile despite the absence of an indicator light, or vice versa, there is a very good likelihood that the Immobilizer is malfunctioning. If this is the case, it is essential to get yourself tested.

What is the function of the Toyota engine immobilizer?

The engine immobilizer is an innovative anti-theft device.

The purpose of an engine immobilizer is to deter car thieves, as it makes it much more difficult for them to start and drive away with a stolen vehicle.

When you insert the key into the ignition switch or insert a Smart Key fob into the car, an electronic code is sent to the vehicle.

If you lose a key or Smart Key fob, your Toyota dealer can help.

How Can I Tell If My Immobilizer Is Effective?

If your vehicle has an immobilizer, you will know it is operational if it executes its fundamental duties, such as locking and unlocking doors and starting the engine when instructed. In addition, the antitheft light on the dash will be a solid color. Any variation from its normal operation indicates that it has a problem.

Why do You need to Disable Your Toyota Immobilizer?

Why do You need to Disable Your Toyota Immobilizer?
Why do You need to Disable Your Toyota Immobilizer?

Because the engine immobilizer is such an important component of Toyota’s anti-theft system, you may be wondering why some drivers opt to disable it. An engine immobilizer protects your car against thieves, although it is occasionally disengaged for the following reasons:

Competitions and races

Some motorsports events require drivers to turn off the engine immobilizer. Different organizers have different rules, and if you want to enter particular racing tracks and courses, you may need to turn off your vehicle’s engine immobilizer.

System replacement

If you own a used car, you may wish to tweak or replace the anti-theft system as well as install a new engine immobilizer. If this is the case, you will need to disable the immobilizer that is presently installed in your car before you can make any adjustments.

Immobilizer failure

When the engine immobilizer fails to operate properly, it may need to be disabled and reset. Because your car is vulnerable without a functional immobilizer, you should get any problems repaired as soon as possible.

Whether you wish to attend an auto-sports event or your immobilizer is malfunctioning, you may need to disable it using the instructions in the next part of the article.

Several Options to Consider Before Deactivating the Toyota Immobilizer

Several Options to Consider Before Deactivating the Toyota Immobilizer
Several Options to Consider Before Deactivating the Toyota Immobilizer

Disabling Immobilizer also disables your vehicle’s anti-theft system. As a result, the party explores the following options before determining whether or not to tamper with Immobilizer.

Replace the key’s battery

However, many other electronic devices, like intelligent key versions, need battery power to operate the components responsible for receiving and delivering signals.

As a result, if the battery is low or dead, the key will not function, making it impossible to communicate the password to the car. To remedy this condition, you must purchase a compatible battery to replace it.

Move closer to the vehicle

The transmitter within the key will have an operational range beyond which we will be unable to broadcast the signal. So, if you believe you are too far away from the car, approach closer to try it.

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How To Deactivate Toyota Immobilizer? 5 Easy Steps You Should Know

How To Deactivate Toyota Immobilizer? 5 Easy Steps You Should Know
How To Deactivate Toyota Immobilizer? 5 Easy Steps You Should Know

How to Use a Car Door Key to Deactivate a Toyota Immobilizer

If you’re a Toyota owner, you may be wondering how to deactivate your car’s immobilizer. There are a few different ways that you can do this, but the most common method is by using your car key. Here are the steps that you need to follow in order to deactivate your Toyota immobilizer using your car key:

The matching code located in a chip in your vehicle key and the ECU allows the engine immobilizer to function. You will need to use the automobile door key to turn off the immobilizer.

Isn’t it true that an engine immobilizer is useless if anybody can disable it? That is why the key is so vital in disabling the immobilizer.

To effectively disengage the engine immobilizer in your Toyota, follow these steps:

Step 1: Insert the key into the automobile door lock.

Step 2 – Turn the key as if to unlock the vehicle, but do not open the door.

Step 3: Insert the automobile key into the lock for around 30 seconds. If you leave the key in the lock for this period of time, the immobilizer will recognize that you are using the legal key to unlock the automobile.

Step 4: Turn the key both ways (lock and unlock) to bypass and disable the engine immobilizer. You must allow the Toyota immobilizer time to identify the key before it can be effectively disengaged.

Step 5 – Leave the door unlocked and start the engine. The immobilizer should be reset now.

How To Turn Off The Toyota Immobilizer Making Use Of A Key In The Ignition

In addition to using the automobile door key, you may disable or reset the immobilizer by inserting your key into the ignition. This procedure is not difficult; here are the steps to take:

Step 1: Insert the key into the ignition and turn the key to the ON position.

Step 2 – Instead of starting the engine, keep the key in the ignition for 10 to 15 minutes.

Step 3 – The antitheft light on the dashboard should begin to flicker. If the antitheft light does not flash, turn off the engine and leave it off for around 3 minutes.

Step 4 – After three minutes, the immobilizer should identify your vehicle key and reset itself.

How to Use a Code to Deactivate a Toyota Immobilizer

You may attempt inputting a code into the automobile system if you don’t have the car key or if the key isn’t functioning to disable the immobilizer.

Step 1: Every Toyota owner should have a ‘Code Card.’ This card should include the code for disabling your Toyota’s immobilizer.

Step 2 – To manually enter the Code into a Toyota, push the central ignition button.

Step 3: Start the vehicle and push the button to begin inputting the code.

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Step 4 – To enter the number 4, push the button four times, to enter the number 3, press the button three times, and so on. Allow about one and a half seconds between finishing one digit and beginning the next.

Step 5 – After entering the code, the Toyota immobilizer will be disengaged, allowing you to start the engine.

How to Bypass the ECU and Disable the Immobilizer

If you don’t have your vehicle key or can’t locate your Toyota code card, you may bypass the ECU and deactivate the immobilizer that way.

Step 1: To bypass the ECU, you will need to locate the vehicle’s diagnostic port. This is usually found under the dashboard on the driver’s side of the vehicle.

Step 2 – Once you have located the diagnostic port, insert a paperclip or thin wire into the ‘TEST’ slot.

Step 3: Press and hold the wire in the ‘TEST’ slot for three seconds.

Step 4: After three seconds, release the wire and turn on the ignition. The engine should start now that the immobilizer has been bypassed.

F.A.Qs: How To Deactivate Toyota Immobilizer?

Is it feasible to deactivate and bypass the immobilizer?

The immobilizer is disabled by inserting the key into the keyhole, enabling you to start the automobile remotely.

You don’t have to worry about automotive security with Mobokey’s increased security since protection is activated as soon as the phone leaves the car.

How can I start my car without an Immobiliser?

The immobilizer can be deactivated by placing the key in the keyhole, allowing you to remotely start the car. The extra security with Mobokey means that as soon as your phone moves away from the car, the security system will activate, giving you peace of mind about your vehicle.

What is the procedure for resetting the Toyota security system?

Resetting the security system in a Toyota Camry or any Toyota vehicle is a simple operation. The first step is to insert the key into the ignition and turn the key to the ON position.

Then, press the switch located under the dashboard. Hold the button down until you hear the vehicle alarm blaring. The Toyota security system will be reset once you hear that sound.

Can immobiliser drain battery?

Yes, the immobiliser does deplete the battery; how old is the battery? It may be on its last leg, or it might be a lengthy procedure. It’s best to invest in a new one.


Toyota immobilizer is a system that helps prevent theft by disabling the engine. If you have lost your keys or need to deactivate the immobilizer for any other reason, our team can help. We provide step-by-step instructions on how to deactivate Toyota immobilizer so you can get back on the road as quickly as possible.

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