Cut wires to Smart Key sensor ring?

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areus
Posts: 14
Joined: Tue Jul 12, 2016 9:16 pm
Car: '97 Q45

Post

Took apart my dash to find my flasher relay, anyway I found it. But I also found a key taped to to the Smart Key sensor that was tucked away out of it's usual position behind the ignition. This smart key sensor has two wires, a positive and negative i'm guessing. Can I cut these wires and short them together to effectively bypass the sensor? I'd probably hook it up to a switch and hide it. It'd be useful because then I could pass the spare key I found off to my mom so she doesn't bug me for the keys.

When my ignition lock cylinder got detached from it's harness in my old 1990 300zx, I was able to take the red and black wires and short them together effectively bypassing the lock cylinder entirely. Wondering if something like that is also possible here and want some info before I go cutting things up.


amc49
Posts: 1183
Joined: Mon Jun 19, 2017 7:24 pm
Car: '11 Nissan Versa
'17 Nissan Altima

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Nope, the ECM queries that transceiver ring to verify the taped up key in place there or your other key you use, with the transceiver disabled the car will immediately not start as the ECM cannot verify the proper keycode. As it is now, with the spare key in place it's already 'defeated', you only need take your own key to get another 'valet' key (one without a chip in it) cut to then use it to start the car and at a cost of like $3-$4 instead of having to get another cut at the whopping prices they want for fully coded keys.

In other words, you're already where you want to be. Keep the doors locked and your mouth closed though, all someone needs to do is to get inside the car to steal it...................

areus
Posts: 14
Joined: Tue Jul 12, 2016 9:16 pm
Car: '97 Q45

Post

Thanks, that's what I was thinking, not everything is 0 and 1 I guess. Thanks.


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