What to do before troubleshooting the immobilizer system?

What to do before troubleshooting the immobilizer system?

Before troubleshooting the immobilizer system, troubleshoot any ECM/PCM with Diagnostic Trouble Codes (DTCs),and make sure the ECM/PCM has no malfunction. Note these items before troubleshooting: Due to the action of the immobilizer system, the engine takes slightly more time to start than on a vehicle without an immobilizer system.

Can a bad immobilizer cause a bad alarm system?

The alarm system in your vehicle is associated with the same security feature as your immobilizer. If you have a bad immobilizer, then you’ll likely have a bad alarm system too.

How does the immobilizer system work on a car?

Due to the action of the immobilizer system, the engine takes slightly more time to start than on a vehicle without an immobilizer system. When the system is normal, and the proper key is inserted, the indicator light comes on for 2 seconds, then it will go off.

Why does my immobilizer light go off when I start the car?

Note these items before troubleshooting: Due to the action of the immobilizer system, the engine takes slightly more time to start than on a vehicle without an immobilizer system. When the system is normal, and the proper key is inserted, the indicator light comes on for 2 seconds, then it will go off.

What to do if your immobilizer is not working?

The key is more complicated and important than one might imagine, and you may have to think of a way to solve the problem with it. Contact the appropriate local dealer for your car. There is a chance that the problem could stem from a recently replaced ignition key or a new ignition switch or lock cylinder.

When does the immobilizer system indicator go out?

When you turn the ignition switch to the ON (II) position, the immobilizer system indicator should come on for a few seconds, then go out. If the indicator starts to blink, it means the system does not recognize the coding of the key.

What happens when you put the ignition key in the Immobilizer?

When this is inserted into the lock cylinder, your car cranks. Unfortunately, if the key is faulty or there is a problem with the immobilizer, your car will not start; it is an electronic safety system that prevents the vehicle from cranking without the presence of the original ignition key.

How does an immobilizer work on a car?

In fact, if your car is fitted with an immobilizer, this system actually senses a microchip implant in the ignition key. When this is inserted into the lock cylinder, your car cranks.