Autounlock car circuit?

Question

I would like to have a circuit which will automatically unlock the car door central locking system as soon as key is move from ON TO ACCESSORIES position...ie first the engine must be running. The car is factory fitted central locking system.

Engine must be running.
Regardless of whether car doors are locked or unlocked, as soon as engine is off, it should toggle the doors to unlock state from lock or unlock position.

Many modern cars today come with these special features which I would like to install in my car i20. Thanks.

mongo · Answer

I can't tell you exactly how to do this on your car. However I can suggest that you will want to understand the lock control system, and the wiring diagram for the key. It may be possible with relays and/or diodes to create a circuit to accomplish this. But to do it, one will really need at least the wiring diagram, and understanding of the lock/unlock system on the car.

Can you obtain the ignition switch and locking module wiring information?

Autounlock car circuit?

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