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Discussion Starter #1
I've read through just about all the 'Nissan Navara central locking not working' threads on here and the internet and so far nothing has
worked.

All the info:
The vehicle only came with one key, it starts the vehicle and opens the passenger door lock.
The lock button in the vehicle locks and unlocks all the doors.
No matter how many times I've tried (and the different ways) the self reprogramming won't work.
I've replaced the battery in the fob with a brand new, out of the packet battery.
I've also opened up the fob and all the buttons/contacts etc look good with noting loose.

So my questions are:
Do I need to just pop along to my local steelers and get them to reprogram the key I have, or do I need a new key fob?
Is it easier to just see a local auto locksmith and see if they can check if the key is outputting a signal?

Finally, I have not checked the cruise control as of yet to see if it maybe the BCM, I will try that today.
 

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It's a radio-based system, so I would guess with it being contained in a big metal box (like a Faraday cage) it might need help picking up the key fob signal, maybe using a small stubby antenna somewhere on the car. If such antenna exists, could it have become disconnected?

Have you tried operating the fob with it right inside the engine bay, or in the car? I'm not sure where the antenna might live, but if it is a signal strength thing, getting very close to the ECU (or BCM, or wherever the electronics for it are) may provide a clue....

And I assume your main battery is 100%, and all earthing straps are clean and tight, right?
 

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if the dealer is to dare

goto ebay and buy an after market kit entry kit with 2 remotes for $40, add 2 external 5 pin relays $15,use the 2 relays to turn a postive switching to negative switching and put it into the lock and unlock button on the door in the window control panel,use a test light with a bulb in it and probe the back of the switch, when you test the right wires the door will lock or unlock and thats the 2 wires you tap into, spare remotes cab be brought threw ebay for like $7.

it will save you a lot of money
 

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all the other power supplies required are in the kick panel at you feet.
Of course the OP could gain access to the ignition switch and remove the key proximity wire as its a common issue on the ignition barrels for them to wear and this function does not work anymore as the BCM is not being told the key is out. Its a lot of hassle to fit a new barrel so most people just make sure the keys in their hand before they use the remote lock. OP try this before you waste much more time and money. If you send it to the dealers this is mostly likely what they will do if they are being honest with you.
 

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Discussion Starter #11 (Edited)
if the dealer is to dare

goto ebay and buy an after market kit entry kit with 2 remotes for $40, add 2 external 5 pin relays $15,use the 2 relays to turn a positive switching to negative switching and put it into the lock and unlock button on the door in the window control panel,use a test light with a bulb in it and probe the back of the switch, when you test the right wires the door will lock or unlock and thats the 2 wires you tap into, spare remotes cab be brought threw ebay for like $7.

it will save you a lot of money
I'm very interested in this,

I had already bought this locking kit below, but couldn't figure out how to get it to work, the actuators are redundant with the Navara not having the push rods to the locks (other than the passenger door) :
https://www.ebay.co.uk/itm/UNIVERSAL-REMOTE-KEYLESS-CENTRAL-DOOR-LOCKING-KIT-FREE-SPLICE-CONNECTORS-UK/360394597855?ssPageName=STRK:MEBIDX:IT&_trksid=p2057872.m2749.l2649

Messing around at the back of lock switch (which is in the centre of the dash on the UK vehicles), I could get the doors to lock using the blue or green (forget which) actuator wires from the locking kit, but couldn't get it to unlock.

You say it needs to be a positive feed to the lock switch?
How do I make a negative to positive feed from the relays? and which type of relay do I need?

This is the locking kit wiring diagram:


Any help greatly appreciated.
 

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My cruise control is also not working, so I'm guessing the BCM is faulty.
All your symptoms suggest the ignition barrel, I would certainly try that before you mess up your electrics with an ebay kit that has been put together by those who dont know what the problem is. Of course it may not be the issue but it wont cost a penny to try and its a very common problem and yours are classic symptoms of the issue.
 

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My cruise control is also not working, so I'm guessing the BCM is faulty.
The cruise control will be a separate issue, start a new thread.

Thinking about it, it is unlikely that the key is at fault, although have you tried double tapping the unlock button as it might be in anti hijack mode?
 

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Discussion Starter #14
The cruise control will be a separate issue, start a new thread.

Thinking about it, it is unlikely that the key is at fault, although have you tried double tapping the unlock button as it might be in anti hijack mode?
Nope not tried this,
unlock button on the fob or the centre lock button?
 

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Discussion Starter #15 (Edited)
All your symptoms suggest the ignition barrel, I would certainly try that before you mess up your electrics with an ebay kit that has been put together by those who dont know what the problem is. Of course it may not be the issue but it wont cost a penny to try and its a very common problem and yours are classic symptoms of the issue.
I'm willing to give anything a go to rectify the problem as its a P.I.T.A having to get in the passenger side, shut the door, press the lock button, then get out and lock the passenger door :frown2:

What do I need to do exactly with the barrel?

Are the wires you can see here the proximity wire/s?
 

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The cruise control will be a separate issue, start a new thread.

Thinking about it, it is unlikely that the key is at fault, although have you tried double tapping the unlock button as it might be in anti hijack mode?
Nope not tried this,
unlock button on the fob or the centre lock button?
Long pressing the unlock button (or is it pressing both buttons, I can't remember) on the fob flips modes, worth giving this a try.
 

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Discussion Starter #17
Long pressing the unlock button (or is it pressing both buttons, I can't remember) on the fob flips modes, worth giving this a try.
Thanks anyway, just gave it a try and it didn't work.

A long press on the centre lock button or a double tap puts the lock button light on the switch, then press unlock to turn that off.
Key fob does nothing.
 

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I'm willing to give anything a go to rectify the problem as its a P.I.T.A having to get in the passenger side, shut the door, press the lock button, then get out and lock the passenger door :frown2:

What do I need to do exactly with the barrel?

Are the wires you can see here the proximity wire/s?
Im prety sure it is its been a while but they are fairly obvious. Is that your lock barrel or another as with that on the bench will the vehicle lock if it does thats the culprit.
 

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Thanks anyway, just gave it a try and it didn't work.

A long press on the centre lock button or a double tap puts the lock button light on the switch, then press unlock to turn that off.
Key fob does nothing.
The manual says this, does it do anything?

SELECTIVE UNLOCK.
A selective unlock or "anti-hijack" mode allows the remote unlocking of only the driver's door to prevent an attacker from entering the vehicle via an unlocked passenger door.
As default, the unlock mode will be set to convenience mode (all doors will unlock). Follow the instructions below to switch between convenience mode and anti-hijack mode.

Key with intergrated keyfob.
1. Turn the ignition switch to the "OFF" position.
2. Press and hold BOTH the "LOCK" and "UNLOCK" buttons at the same time for 5 seconds.
3. Setting the anti-hijack mode:
- The direction indicators flash once.
Setting the convenience mode:
- The direction indicators flash three times.
 
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