The immobilizer is a security feature that is used to prevent theft. This device has a transponder key that sends an encrypted signal to the car’s computer system, and the car cannot be started without the correct key.
Sometimes, the immobilizer can be faulty and cause the vehicle not to start or become difficult to start, if this is the case the only option is to either disable or remove the immobilizer. This article explains how to disable immobilizer on your Mazda 6 and will help you start the car without a transponder key.
How to Disable Immobilizer on Mazda 6
To disable or deactivate immobilizer on your Mazda 6, you can make use of the door key by turning the key on your door as if opening it but don’t open it. You just hold the key in the place for around thirty seconds.
After that thirty seconds of time, the immobilizer unit identifies and knows that you have the right key with you. Then you try turning the key on both sides for the locking and unlocking process and that’s all.
The system of turning on and off the immobilizer on Mazda 6 is armed when the ignition is switched from on to off. The security indicator light in the instrument cluster flashes every two seconds.
Note that until the system is disarmed the cluster instrument will keep on flashing every two seconds of time. Until when the ignition is switched on with the correct programmed key.
Mazda Immobilizer Codes and Meaning
Firstly, note that when you put the key into the ignition or have the key fob inside the vehicle for keyless fobs. The transponder will chip inside the key fob and send a security code to the car’s immobilizer system.
| P1602 | Immobilizer control module/engine control module (ECM) – communication error | Wiring, incorrect key, immobilizer control module, ECM |
| P1603 | Mazda (ECM) – incorrect immobilizer code | Immobilizer word code not programmed |
| P1604 | Mazda (ECM) – incorrect immobilizer code | Immobilizer key code not programmed |
| P1605 | Mazda (ECM) -keep alive test error | ECM |
| P1608 | Mazda (ECM) -knock function malfunction | ECM |
| P1609 | Mazda (ECM) -supply voltage | Wiring, fuses, ECM |
| P1621 | Mazda (ECM) – incorrect immobilizer code after cranking | Immobilizer word code not programmed |
| P1622 | Mazda (ECM) – incorrect immobilizer key code | Immobilizer key code not programmed |
| P1623 | Mazda (ECM) – immobilizer read/write error, EEPROM damaged | ECM |
| P1624 | Mazda (ECM) – immobilizer communication error | ECM |
Mazda immobilizer codes are such security codes that need to match with the code on the immobilizer system. The code is such that will help the car to start in motion especially when the codes match each other
The engine immobilizer is a state-of-the-art theft kind of system that when you start your key into the ignition switch or bring a smart key fob into the vehicle. The key transmits an electric code to the vehicle.
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2003 Mazda 6 Security Reset Steps
For the 2003 Mazda 6 security reset steps, in an attempt to disable or reset the alarm, try starting your car first. Then you can diagnose an alarm that has never been set on your Mazda vehicle.
The steps to reset 2003 Mazda 6 security, you disconnect the negative battery terminal and turn the key to on position. After that, you then reattach the negative battery terminal on your Mazda 6 vehicle.
The next step you should take is to turn on the key to the off position and then you can now start the car successfully. So with the help of the above steps, you can now reset your 2003 model Mazda 6.
How Do I Get My Mazda 6 out of Anti Theft Mode?
Take note that there are some cars that will recognize the key from you when you simply turn it and back forth in the door’s cylinder. With that, you can easily disable your anti-theft mode on your vehicle.
To get your Mazda 6 out of anti-theft mode, there are two methods that you can make use of and help successfully. The first method is to hold the key of your vehicle in the door and that will help turn off your anti-theft mode.
The second method that you can use to turn off your anti-theft mode is to turn the key in both ways and your anti-theft mode will be disabled. So with any or both methods, you will be able to successfully turn off your Mazda 6 anti-theft mode.
Video Guide
Can Anti Theft Stop Car from Starting?
Yes, the anti-theft mode will actually stop your car from starting so you will need to disable the anti-theft mode in order to start the car. It is also possible for your engine to be locked up in anti-theft mode.
So if your engine is locked up by the anti-theft system, you will be unable to start the vehicle from moving. So there is a need for you to disable the anti-theft system so as to enable your car engine put the car into motion.
To disable the system and start your car you need to first check the anti-theft light which is the dash light. The dash light indicates that the anti-theft system has been triggered so disable it to start the car.
What Does the Flashing Key Light Mean Mazda 6?
The work of the flashing key light on the Mazda 6 indicates that the engine may not start using the usual starting method. So it’s for vehicles with a type A instrument cluster search messages displayed in the instrument cluster.
If the key warning light with is red illuminates or the push button start indicator light which is amber flashes, the engine is using another starting method. So the light indicates that the usual method is not being used by the vehicle.
Also when the push button start is pressed from on to off, the key indicator light which is green may flash for approximately thirty seconds. This light indicates that the remaining battery power of the key is low and needs to be replaced.
How Do You Start a Car when the Security Light is On?
To start a car when the security light is on, first leave the key in the on position and wait for about ten minutes. Now the flashing light will go off or the light illuminates without flashing light.
And when it does light on, you can now turn the ignition off and also wait for about twenty seconds, and then try and start the engine now. So with the help of the guide, you can move your vehicle while the security light is on.
The security light may be on due to a variety of reasons. The most common reason for the security light coming on is that the car has been left unlocked with the keys inside.
Another potential cause for the security light to come on could be that a door was left open and it has been locked for some time, or that a door was opened without being closed properly and it has been locked for some time.
If you have an issue with your car, it is important to know what the problem is before you start trying to fix it. If you are unsure of how to proceed, contact a professional mechanic or automotive technician.
Conclusion
In conclusion, to disable or deactivate immobilizer on your Mazda 6, you can make use of the door key by turning the key on your door as if opening it but don’t open it. You just hold the key in the place for around thirty seconds.
After that thirty seconds of time, the immobilizer unit identifies and knows that you have the right key with you. Then you try turning the key on both sides for the locking and unlocking process and that’s all.
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