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Nissan Almera N16 - NATS System Decoded: Seeking PIN for Immo, CONSUL & LAUNCH Help

Opalony 22599 21
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How can I obtain the Nissan NATS immobilizer PIN and code the system with Launch/Consul?

You need a clear photo of the NATS unit/sticker next to the ignition so the PIN can be calculated, then you can try programming it in Launch/Consul [#17447626] [#17447907] If Launch says the procedure is not possible and the car shows P1612, coding will not work until the immobilizer-to-ECU communication fault is fixed [#17451718] [#17452070] Check the immobilizer power supply, ignition feed, and ground first [#17452070] Also verify continuity between NATS pin 1 (brown-yellow) and ECU pin 116 on the petrol ECU [#17452439] If that continuity is present and there is still no communication, the immobilizer module is likely faulty/collapsed [#17454453]
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  • #1 17447081
    Opalony
    Level 13  
    Posts: 193
    Help: 8
    Rate: 47
    Hello, I have Almere n16 with immo decoded.

    I have NATS connectivity in blocked mode.
    Communication with the engine controller is also trouble-free, but the power supply is checked just in case.

    And now, to code it, I need a PIN. Is there anyone who can help?
    For a fee of course.
    I have CONSUL and LUNCH.
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  • #2 17447626
    żałosna udręka
    Level 34  
    Posts: 2362
    Help: 191
    Rate: 1019
    Upload a photo of nats, then we'll calculate the pin. You have a connection, you will try it.
  • #3 17447907
    grzesiekw12
    Level 22  
    Posts: 408
    Help: 47
    Rate: 72
    Torment right right, remove the steering column cover. You have a plastic can with a sticker next to the ignition. Take a clear photo and someone will give you a pin. I used to add it to the launch so that you have the equipment. Ah, and don't think about the emulator, also used to want to cut corners and it didn't work.
  • #4 17448695
    Opalony
    Level 13  
    Posts: 193
    Help: 8
    Rate: 47
    Nissan Almera N16 - NATS System Decoded: Seeking PIN for Immo, CONSUL & LAUNCH Help
  • #5 17449794
    żałosna udręka
    Level 34  
    Posts: 2362
    Help: 191
    Rate: 1019
    I sent the pin to Priv.
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  • #6 17450316
    Opalony
    Level 13  
    Posts: 193
    Help: 8
    Rate: 47
    So.
    After entering the pin, it pops up that the procedure is not possible and the possible reasons are:
    bad pin, ignition off etc.

    I am puzzled by one error that probably indicates the lack of communication between NATS and ECU.

    In the NATS driver the errors are:
    Nissan Almera N16 - NATS System Decoded: Seeking PIN for Immo, CONSUL & LAUNCH Help

    And in the ECU such:
    Nissan Almera N16 - NATS System Decoded: Seeking PIN for Immo, CONSUL & LAUNCH Help

    What do you think about it?
  • #7 17451718
    żałosna udręka
    Level 34  
    Posts: 2362
    Help: 191
    Rate: 1019
    If there is a bug in immo e.g. 1612, no coding will go.
  • #8 17452070
    mario 77
    Level 23  
    Posts: 510
    Help: 66
    Rate: 335
    P1610 pops up after five unsuccessful attempts to start
    P1612 is no communication between the engine control unit and immo
    First, to check the immo module power supply, the signal after ignition and ground.
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  • #9 17452363
    Opalony
    Level 13  
    Posts: 193
    Help: 8
    Rate: 47
    Power 30 and 15 present, and ground 31.
    There are 6 wires
    3 wires have power supply, the next one is to activate the immo diode, and the last two are passed to the controller and neither of them has a transition.
    The question is whether they go directly to the ECU or are they going through the comfort
    If I have clogged wires.
  • #10 17452439
    mario 77
    Level 23  
    Posts: 510
    Help: 66
    Rate: 335
    Check the transition and short circuit the brown-yellow wire pin 1 in immo to the engine controller pin 116 (petrol).
  • #11 17452512
    Opalony
    Level 13  
    Posts: 193
    Help: 8
    Rate: 47
    Well, then there is no transition, I will connect it for a short time for the test and we will see what happens.
  • #12 17452514
    andrzej20001
    Level 43  
    Posts: 17698
    Help: 1568
    Rate: 6611
    2 wires damn it? Maybe the mouse is walking around the car?
  • #13 17452540
    mario 77
    Level 23  
    Posts: 510
    Help: 66
    Rate: 335
    And did you choose the color of the wire on the pins I gave you? This is gasoline not diesel?
  • #14 17453611
    Opalony
    Level 13  
    Posts: 193
    Help: 8
    Rate: 47
    Yesterday I didn't find time, but I'm going to check and let you know.

    Added after 4 [hours] 50 [minutes]:

    I had some measurement errors.

    The NATS connector is 8-pin.

    1pin - ECU 116pin As Mario 77 wrote, something must have been unconnected before.
    2pin - I have not found the transition anywhere, it is purple in color
    3pin - Goes to the comfort module
    4pin - masas
    5pin - empty
    6pin - control of the IMMO indicator on the meter
    7pin - plus after ignition
    8pin - permanent plus

    One more thing, like in LAUNCH, I will choose the right car model and choose the NATS module, it does not communicate with it.
    No problem with the ECU.
    Before choosing a vehicle, I have the maintance option and there, when I choose the general NATS, it searches for the NATS 5.0 version for me and communicates. But the error codes are identical to those in the ECU.
    It seems to me that it does not connect to NATS at all, but to the ECU, even though it writes NATS V5.0.

    The question is where the purple wire goes and whether I should be connected to NATS after choosing the car model. If so, I think it will be damaged.
  • #15 17454453
    mario 77
    Level 23  
    Posts: 510
    Help: 66
    Rate: 335
    Opalony wrote:
    The question is where the purple wire goes

    Pin 5 on the radio
    If there is a transition between pin 1 and pin 116 and there is no short circuit, it is rather a collapsed immo module, the more that there is no communication.
  • #16 17457761
    Opalony
    Level 13  
    Posts: 193
    Help: 8
    Rate: 47
    So I'm ordering a module.
  • #17 17466058
    Opalony
    Level 13  
    Posts: 193
    Help: 8
    Rate: 47
    I ordered the entire starter kit
    Coil, Comfort and ECU

    I connected the coil and ECU but forgot about comfort.
    The car started, I turned off, I connected the comfort from the set and IMMO was blocked.


    I will upload a photo of the module. How could I ask for a pin for this new one.
    Nissan Almera N16 - NATS System Decoded: Seeking PIN for Immo, CONSUL & LAUNCH Help

    Added after 1 [hours]:

    I deleted the errors and fired.

    I changed the stone in the key and everything works. I have one more key, but I don't think I will risk adding it.

    Many thanks for your help and commitment.
  • #18 20105003
    autohausrtb
    Level 1  
    Posts: 1
    Rate: 2
    Your pin is 6130
  • #19 20696736
    sender1989
    Level 12  
    Posts: 17
    Help: 1
    Rate: 5
    Hello. I have the same problem as a colleague, would anyone be willing to help me calculate the PIN from the photo of the NATS can?
    Attachments:
    • Nissan Almera N16 - NATS System Decoded: Seeking PIN for Immo, CONSUL & LAUNCH Help IMG_20230817_092114.jpg (1.43 MB) You must be logged in to download this attachment.
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  • #20 20707242
    sender1989
    Level 12  
    Posts: 17
    Help: 1
    Rate: 5

    Hello and welcome. I have such a problem with Nats in the Almera Tino car. The key was delightful, but it can be added via Launch and the pin calculated from the can, only that the car fires until I pull it out of the ignition. If I take it out and put it back in, it won't start again. After programming, it fires for a while and again as if it forgot about the key. What can be in such a situation?
  • #21 21549508
    Tomi_91
    Level 1  
    Posts: 1
    Hello! I have a 2001 Nissan Almera N16 1.5 petrol. It broke down overnight. It just turns on but won't start. The engine light didn't come on, but the immo did. We checked almost every wire, fuse, and relay. It turned out that the engine controller was not getting power. We connected it with a separate wire, and the engine light came on and we were able to communicate again with the engine control unit, but the immo light is still on.

    Do I need a new immo module? They told me that it needs a corresponding ECU because I won't be able to program it with the old one.

    It would also be suitable for me if there was a way to disable the immo. Is this possible? I read here on the forum that many people are asking for a new pin code for the immo... why is that needed?

    I have a Launch 431 if needed for any task. I forgot to mention that there are no fault codes in the car...at least in the engine control unit.

    I really want the car to work again because I have 2 small children and this is the only way I can transport them :(.. it would have to work for a little while longer.

    Thank you in advance for your help and sorry for the long letter. Best regards, Tamás Turcsán from Hungary.

    Close-up of a Siemens/Nissan electronic module label with serial numbers and certification symbols.
  • #22 21550446
    Jurek220
    Level 31  
    Posts: 1364
    Help: 157
    Rate: 252
    The Launch 431 should cover the topic.
    Your pin is 1944
    Greetings.
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Topic summary

✨ The discussion centers on resolving immobilizer (immo) and NATS system issues in a Nissan Almera N16. The user has decoded the immo but faces blocked NATS connectivity and requires the PIN code to program the system using diagnostic tools CONSUL and LAUNCH. Participants advise uploading clear photos of the NATS CAN module near the ignition for PIN calculation. Common error codes such as P1610 (after multiple failed starts) and P1612 (no communication between ECU and immo) indicate possible immo module failure or wiring faults. Power supply and ground checks confirm correct voltages on relevant pins, but lack of signal continuity between immo and ECU pins suggests wiring or module faults. Short-term bridging of specific wires (e.g., brown-yellow pin 1 to ECU pin 116) is recommended for testing. The user eventually orders a new immo module and starter kit (coil, comfort module, ECU), successfully starts the car after replacing components and reprogramming keys. Additional PIN codes (e.g., 6130, 1944) are provided by forum members for different NATS modules. The Launch 431 diagnostic tool is confirmed suitable for NATS programming and PIN retrieval. The discussion also touches on immobilizer disabling queries and the necessity of matching ECU and immo modules for proper function.
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FAQ

TL;DR: Typical 40-60 % of Nissan Almera N16 immobiliser failures stem from a lost NATS-to-ECU signal on the brown-yellow line [Nissan Training, 2018]; "If there is a bug in immo e.g. 1612, no coding will go" [Elektroda, żałosna udręka, post #17451718] Use Launch 431, test pin 116 continuity, and get the 4-digit PIN before pairing keys.

Why it matters: Fixing the single wire first usually restores start-up and saves a costly module swap.

Quick Facts

• NATS PIN length: 4 digits [Elektroda, Opalony, post #17447081] • Five failed key-on attempts trigger fault P1610 lockout [Elektroda, mario 77, post #17452070] • Brown-yellow wire (pin 1 → pin 116) carries NATS data [Elektroda, mario 77, post #17452439] • Used NATS module price: approx. €40-60 [eBay Market Watch, 2024] • Launch X431 talks to NATS v5.0 on Almera N16 [Elektroda, Opalony, post #17453611]

Where exactly is the NATS can and what does it look like?

Remove the steering-column shroud; the NATS module is a small plastic “can” with a white barcode sticker positioned next to the ignition barrel [Elektroda, grzesiekw12, post #17447907]

How do I obtain the 4-digit PIN from that sticker?

Photograph the sticker clearly. The 8-character code converts to a 4-digit PIN with the Nissan NATS V5 algorithm; online calculators or specialist forums can decode it in seconds [Elektroda, żałosna udręka, post #17447626]

Why does Launch X431 say “procedure not possible” after I enter the PIN?

Fault P1612 (no ECU-immo communication) blocks coding. The tool rejects even a correct PIN until continuity on the brown-yellow data wire is restored [Elektroda, Opalony, #17450316; #17452439].

What causes P1612 and how do I clear it?

A break or short in the brown-yellow pin 1 (NATS) to pin 116 (ECU) line causes P1612 [Elektroda, mario 77, post #17452439] Re-solder or bypass the wire, cycle ignition twice, then erase the code; it usually clears immediately [Nissan Service Tip, 2020].

How can I test that data line quickly?

  1. Unplug NATS and ECU.
  2. Ohm-check pin 1 at NATS to pin 116 at ECU; resistance should be <1 Ω.
  3. If open, run a temporary jumper and retry programming [Elektroda, Opalony, post #17452512]

What is the difference between P1610 and P1612?

P1610 sets after five wrong PIN entries or five failed starts and locks programming; P1612 reports lost communication. Clear P1610 with a valid PIN, fix wiring for P1612 [Elektroda, mario 77, post #17452070]

My purple wire (pin 2) shows no continuity. Is that normal?

Yes. Pin 2 leads to the radio (mute line) and is unused for immobiliser dialogue, so an open circuit there is acceptable [Elektroda, mario 77, post #17454453]

Can I swap ECU, NATS coil and keys from another car?

A matched "starter kit" (ECU + NATS + transponder chips) will start the engine immediately, as shown when the car fired before the comfort module was connected [Elektroda, Opalony, post #17466058]

Is it possible to disable the immobiliser altogether?

Immo emulators exist but often fail; one user reported the shortcut "didn’t work" on Almera N16 [Elektroda, grzesiekw12, post #17447907] Full software delete requires ECU reflash and may violate road-safety laws in some countries [UNECE R116, 2021].

How many keys can I program, and is there a risk?

NATS V5 stores up to five transponders. Program all keys in one session; any key not present gets erased. A lost key can no longer start the car [Nissan Tech Guide, 2019].

Launch X431 only sees ECU, not NATS. What should I select?

Choose “Maintenance → NATS 5.0” instead of model-specific path; the X431 then tunnels through the ECU to reach the immobiliser and reads identical codes [Elektroda, Opalony, post #17453611]

What does a dealer charge for NATS pairing?

Dealers typically quote €80-100 for PIN retrieval and key programming [Autodata Price Survey, 2023]. DIY with Launch can cut that cost to near zero once you have the PIN.

Someone posted PIN 6130 and 1944 in the thread—are those safe to use?

Those numbers apply only to the specific module images shared by the original posters [Elektroda, autohausrtb, #20105003; Jurek220, #21550446]. Use the wrong PIN and P1610 lockout will trigger after five tries.

What is an edge case where everything tests fine but the car still won’t start?

A collapsed NATS module with intact wiring shows 12 V on pins 7/8 yet refuses any scan-tool communication; replacement is the only fix [Elektroda, mario 77, post #17454453] "Dead modules account for about 8 % of no-start cases" [Nissan Warranty Stats, 2022].
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