Micra K12 prox-twist knob

**p1et** · 18th January, 2020, 08:07 PM

Hello,

I was changing shell in the smart key. First time was doing this and all fine to the last point where I just needed to take out original PCB from plastic part and put to new one. I was trying to push it out from plastic by gently pushing on buttons but it didn't want to come out (many dust and grease inside) so I spotted a little hole at the edge where I wanted to pry PCB with a flat screwdriver. That was a mistake because it was the spot where prox coil was wide open to see from other angle and I just did a little pry in this place and I think I damaged the coil, although doesn't look bad, just a tiny scratch.

So ofc 1st time I did was to try on car if proxy working but it's not. However now after I let customer go and arranged meeting on Monday when I will have to program new proxy part to the car Im starting to wonder if I done right. It was manual gearbox, I tried to turn knob while pressing clutch and no go, but I think I didn't try to push brake pedal and turn the knob and I heard that is the way? Also if proxy is not seen, is there any sign (ex. red key symbol) on dash?

Im just asking because I let customer go, telling her how she needs to start car now for a weekend (by inserting transponder key) but I'm not 100% sure if this proxy is dead. Cannnot contact her to try start like she did because I gave her mine number and like I said, teached her to start by inserting blade into ignition so obviusly she will not even try and no chance to contact with me till monday.

Noob question but first time im working with Micra K12 prox...

**Manta1600** · 18th January, 2020, 09:45 PM

I had customer with no working keyless function after key battery replacement

I deleted all learned prox and programed with Truecode and keyless work again

No need to press brake or clutch to turn the ignition without key if keyless work

**p1et** · 18th January, 2020, 10:00 PM

Ok thanks, so I will try to reprogram existing prox, if not work then program another one. But the remote part is working well. In your case remote also didnt work aftr battery change?

**Manta1600** · 18th January, 2020, 10:41 PM

The remote function was OK only keyless function doesn't work - after reprogram all is OK

**p1et** · 18th January, 2020, 11:02 PM

Ok thank you friend, I'm gonna try and report next week. Now have a peaceful sunday

**nazz2** · 19th January, 2020, 01:43 PM

I reprogrammed a k12 remote by simply leaving the ignition on, and pressing and holding the lock button for few seconds, that was a twist type, i have a new one in stock, if you need a picture or measurements of any components, let me know.

**p1et** · 21st January, 2020, 05:44 PM

I don't know what happened but all is working fine now. I can't remember if I tried putting foot on brake and turn knob (it's manual gearbox) last Friday but this is how it's work now, you need to push brake to te able to turn the knob.

Sometimes easy tasks might confuse

But you must admit that starting a car with manual gearbox while putting foot on brake isn't ordinary. That was first Micra K12 I was sitting in though and I was pretty sure I damaged coil but fortunately not

**thibault68** · 8th December, 2020, 01:56 PM

Originally Posted by Manta1600

I had customer with no working keyless function after key battery replacement

I deleted all learned prox and programed with Truecode and keyless work again

No need to press brake or clutch to turn the ignition without key if keyless work

On a micra k12 2005 with smart key, you need to press the brake pedal to be able to turn the knob without inserting the key. this is how it works on mine.