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VINS you want "fasted"

sewid

By sewid,
in General Automotive Discussion

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floody
floody

Thanks for that!

(OO)SKYLINE(OO)
(OO)SKYLINE(OO)

Check VIN again, nothing coming up.

sin-
sin-

All R34 GTRs have it except for V-Spec N1 and V-Spec II N1.

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Ricky_Bobby Enthusiast

Ricky_Bobby

Posted
Posted

Thanks Al Despo !, your a legend.

On another note.......... is this the software ?

I just downloaded, havent installed yet....

In following text, left-click = left mouse button and right-click = right mouse button.

Download following files and save to “Desktop”.

Just Left-click on Green items and it will take you to the websites.

UDSM FAST and E-FAST program and databases

_Disk1.rar - Part one

_Disk2.rar - Part two

If do not have RAR program to open above files, download here: http://download.cnet.com/WinRAR/3000-2250_4-10007677.html

Install FAST software.

  1. After two RAR files are downloaded to “Desk top”, double left-click RAR file “_Disk1”.
  2. When file opens, find folder “FASTPRG” and double left-click.
  3. When file opens, double left-click folder “WIN2000”.
  4. When file opens, double left-click folder “SETUP”.
  5. “Setup program” will now automatically start, so just follow any and all instructions.
  6. After program installs, close all open windows.

Install “key file” to “Windows folder” so software operates.

  1. On “Desktop”, double left-click RAR file “_Disk1”.
  2. When RAR file opens, find file “NSFASTKY.INI” and right-click. When “MSFASTKY.INI” sub window opens, left-click “Copy” and then close file “_Disk1” window by left-clicking “X” icon in upper right corner.
  3. On “Desk top” (“Windows XP”, left-click Start), double left-click “My Computer” and then double left-click “C:” drive.
  4. When “C:” drive window opens, find "WINDOWS" folder and it opens, place mouse pointer in any blank area (DO NOT place pointer on ANY files or folders) and right-click.
  5. When “WINDOWS” sub window opens, left-click “Paste” and a copy of “NSFASTKY.INI” file is now placed in “WINDOWS” folder.
  6. Close “C:” window.

Place “_Disk1” and “_Disk2” folders on Hard-drive.

  1. On “Desktop” (“Windows XP”, left-click Start), double left-click "My Computer".
  2. Find “NISSAN” folder (this was created when FAST program was installed) and double left-click.
  3. When “NISSAN” folder opens, place mouse pointer in any blank area (DO NOT place pointer on ANY files or folders) and right-click.
  4. When sub window opens, place mouse pointer on “NEW” and when sub window opens, left-click “FOLDER”.
  5. A “New Folder” will now appear in “NISSAN” folder and since it is highlighted in RED, name can be changed.
  6. Type “Disk1” and press “ENTER” key on keyboard. Folder will now be renamed “Disk1”.
  7. Again, place mouse pointer in any blank area (DO NOT place pointer on ANY files or folders) of “NISSAN” folder and right click.
  8. When sub window opens, place mouse pointer on “NEW” and when sub window opens, left-click “FOLDER”.
  9. A “New Folder” will now appear in “NISSAN” folder and since it is highlighted in RED, name can be changed.
  10. Type “Disk2” and press “ENTER” key on keyboard. Folder will now be renamed “Disk2”.

Transfer “_Disk1” information to “Disk1” folder.

  1. On “Desktop”, double left-click “_Disk1”.
  2. Left-click “Edit” command (top tool bar) and when sub window opens, left-click “Select all”.
  3. Again left-click “Edit” command (top tool bar) and when sub window opens, left-click “Copy” and close “_Disk1” window.
  4. On “Desktop” (“Windows XP”, left-click Start), double left-click “My Computer”, double left-click “C:”, double left-click “NISSAN” folder and double left-click “Disk1” folder.
  5. Place mouse pointer in any area of “Disk1” folder and right-click.
  6. When sub window opens, left-click “Paste” and “_DISK1” will move into “Disk1” folder.

Transfer “_Disk2” information to “Disk2” folder.

  1. On “Desktop”, double left-click “_Disk2”.
  2. Left-click “Edit” command (top tool bar) and when sub window opens, left-click “Select all”.
  3. Again left-click “Edit” command (top tool bar) and when sub window opens, left-click “Copy” and close “_Disk1” window.
  4. On “Desktop” (“Windows XP”, left-click Start), double left-click “My Computer”, double left-click “C:”, double left-click “NISSAN” folder and double left-click “Disk2” folder.
  5. Place mouse pointer in any area of “Disk2” folder and right-click.
  6. When sub window opens, left-click “Paste” and “_DISK2” will move into “Disk2” folder.

Set up “FAST” software, so it finds “Disk1” and “Disk2” folders.

(For Windows Vista OS)

1. Left-click “START” " on “lower tool bar” and then left-click “All Programs”.

  1. When “Programs” window opens, move mouse pointer to “FAST for Windows” (this listing was created, when “FAST” was installed) and then left-click “FAST setup”.
  2. When “FAST setup” window opens, left-click “CD-ROM setup” button (Nissan set program up to run off CD-ROM disks, not hard-drive).
  3. When “CD-ROM DRIVE SETUP” window opens, place mouse pointer on “2 Drives” circle and left-click (a black dot will appear in circle).
  4. Left-click “1 CD-ROM Drive” “Browse” box and when “DIRECTORY SETUP” window opens, select “C:” in lower “Drive” box.
  5. Next double left-click “nissan” folder in “Directory” box (page down list).
  6. Double left-click ”disk1~1”, then left-click “OK” box and when “CD-ROM DRIVE SETUP” window reopens, “1 CD-ROM Drive” box will read “c:\nissan\disk1~1”.
  7. Left-click “2 CD-ROM Drives” “Browse” box and when “DIRECTORY SETUP” window opens, select “C:” in “Drive” box.
  8. Next double left-click “nissan” folder in “Directory” box (page down list).
  9. Double left-click ”disk2~1”, then left-click “OK” box and when “CD-ROM DRIVE SETUP” window reopens, “2 CD-ROM Drive” box will read “c:\nissan\disk2~1”.
  10. Close all windows, as “FAST” program will now find “Disk1” and “Disk2”.

(For Windows XP)

  1. Left-click “START” on “lower tool bar” and then left-click “Programs”.
  2. When “Programs” window opens, move mouse pointer over “FAST for Windows” (this was created, when FAST program was installed) and then left-click “FAST setup”.
  3. When “FAST setup” window opens, left-click “CD-ROM setup” TAB.
  4. When “CD-ROM setup” window opens, left-click “Drive 1” line and left-click “Browse” box.
  5. When “Browse for folder” window opens, left-click “+” box left of “C:”.
  6. Page down to “nissan” folder, left-click “+” box left of “nissan” folder, left-click “disk1~1” and then left-click “OK” box.
  7. “Drive 1” line in “CD-ROM setup” window, will now read “c:\nissan\disk1~1”.
  8. Left-click “Drive 2” line and left-click “Browse” box.
  9. When “Browse for folder” window opens, left-click “+” box left of “C:”.
  10. Page down to “nissan” folder, left-click “+” box left of “nissan” folder, left-click “disk2~1” and then left-click “OK” box.
  11. If “Drive 2” line reads “c:\nissan\disk2~1”, setup is complete, so left-click the “OK” box.
  12. Close all windows, as “FAST” program will now find “Disk1” and “Disk2”.

NOTE: In some cases “FAST for Windows” file does not appear in “Programs” list. Do following to find “FAST Setup” file.

  1. On “Desktop” left-click Start on “lower tool bar” and double left-click “My Computer”.
  2. Double left-click “C:” and double left-click “NISSAN” folder.
  3. Find file and left-click “Nfset” file, when “Nfset” opens, follow steps #3 to #12 above.

How to run FAST software.

(for Windows Vista)

  1. Left-click “START” on “lower tool bar” and then left-click “All Programs”.
  2. Move mouse pointer to “FAST for Windows” and left-click “FAST menu”.
  3. When “FAST menu” comes up, left-click either:

  • “FAST system” for 1979 to 2003 models.
  • “E-FAST system” for 1964 to 1978 models. NOTE: When starting “E-FAST”, a window indicating an error may come up. Just click “OK” box and program will start.

  1. System that is selected starts, so wait for it to load.

(Windows XP)

As said before, in some cases “FAST for Windows”, does not show up in “Programs” list, so there seems to be no way to start “FAST program”. If this happens, do the following:

  1. On “Desktop” left-click Start, double left-click “My Computer”, double left-click “C:” and double left-click “NISSAN” folder.
  2. Find “Nfmenu” file, right-click and when sub window opens, left-click “Copy” and close window.
  3. Place mouse pointer on any blank area on “Desktop” and when sub window opens, left-click “Paste”.
  4. Now to open “FAST program”, double left-click “Nfmenu”, on “Desktop”.

Al Despo Proficient

Al Despo

Posted
Posted

Thanks Al Despo !, your a legend.

On another note.......... is this the software ?

I just downloaded, havent installed yet....

In following text, left-click = left mouse button and right-click = right mouse button.

Download following files and save to “Desktop”.

Just Left-click on Green items and it will take you to the websites.

UDSM FAST and E-FAST program and databases

_Disk1.rar - Part one

_Disk2.rar - Part two

If do not have RAR program to open above files, download here: http://download.cnet.com/WinRAR/3000-2250_4-10007677.html

Install FAST software.

  1. After two RAR files are downloaded to “Desk top”, double left-click RAR file “_Disk1”.
  2. When file opens, find folder “FASTPRG” and double left-click.
  3. When file opens, double left-click folder “WIN2000”.
  4. When file opens, double left-click folder “SETUP”.
  5. “Setup program” will now automatically start, so just follow any and all instructions.
  6. After program installs, close all open windows.

Install “key file” to “Windows folder” so software operates.

  1. On “Desktop”, double left-click RAR file “_Disk1”.
  2. When RAR file opens, find file “NSFASTKY.INI” and right-click. When “MSFASTKY.INI” sub window opens, left-click “Copy” and then close file “_Disk1” window by left-clicking “X” icon in upper right corner.
  3. On “Desk top” (“Windows XP”, left-click Start), double left-click “My Computer” and then double left-click “C:” drive.
  4. When “C:” drive window opens, find "WINDOWS" folder and it opens, place mouse pointer in any blank area (DO NOT place pointer on ANY files or folders) and right-click.
  5. When “WINDOWS” sub window opens, left-click “Paste” and a copy of “NSFASTKY.INI” file is now placed in “WINDOWS” folder.
  6. Close “C:” window.

Place “_Disk1” and “_Disk2” folders on Hard-drive.

  1. On “Desktop” (“Windows XP”, left-click Start), double left-click "My Computer".
  2. Find “NISSAN” folder (this was created when FAST program was installed) and double left-click.
  3. When “NISSAN” folder opens, place mouse pointer in any blank area (DO NOT place pointer on ANY files or folders) and right-click.
  4. When sub window opens, place mouse pointer on “NEW” and when sub window opens, left-click “FOLDER”.
  5. A “New Folder” will now appear in “NISSAN” folder and since it is highlighted in RED, name can be changed.
  6. Type “Disk1” and press “ENTER” key on keyboard. Folder will now be renamed “Disk1”.
  7. Again, place mouse pointer in any blank area (DO NOT place pointer on ANY files or folders) of “NISSAN” folder and right click.
  8. When sub window opens, place mouse pointer on “NEW” and when sub window opens, left-click “FOLDER”.
  9. A “New Folder” will now appear in “NISSAN” folder and since it is highlighted in RED, name can be changed.
  10. Type “Disk2” and press “ENTER” key on keyboard. Folder will now be renamed “Disk2”.

Transfer “_Disk1” information to “Disk1” folder.

  1. On “Desktop”, double left-click “_Disk1”.
  2. Left-click “Edit” command (top tool bar) and when sub window opens, left-click “Select all”.
  3. Again left-click “Edit” command (top tool bar) and when sub window opens, left-click “Copy” and close “_Disk1” window.
  4. On “Desktop” (“Windows XP”, left-click Start), double left-click “My Computer”, double left-click “C:”, double left-click “NISSAN” folder and double left-click “Disk1” folder.
  5. Place mouse pointer in any area of “Disk1” folder and right-click.
  6. When sub window opens, left-click “Paste” and “_DISK1” will move into “Disk1” folder.

Transfer “_Disk2” information to “Disk2” folder.

  1. On “Desktop”, double left-click “_Disk2”.
  2. Left-click “Edit” command (top tool bar) and when sub window opens, left-click “Select all”.
  3. Again left-click “Edit” command (top tool bar) and when sub window opens, left-click “Copy” and close “_Disk1” window.
  4. On “Desktop” (“Windows XP”, left-click Start), double left-click “My Computer”, double left-click “C:”, double left-click “NISSAN” folder and double left-click “Disk2” folder.
  5. Place mouse pointer in any area of “Disk2” folder and right-click.
  6. When sub window opens, left-click “Paste” and “_DISK2” will move into “Disk2” folder.

Set up “FAST” software, so it finds “Disk1” and “Disk2” folders.

(For Windows Vista OS)

1. Left-click “START” " on “lower tool bar” and then left-click “All Programs”.

  1. When “Programs” window opens, move mouse pointer to “FAST for Windows” (this listing was created, when “FAST” was installed) and then left-click “FAST setup”.
  2. When “FAST setup” window opens, left-click “CD-ROM setup” button (Nissan set program up to run off CD-ROM disks, not hard-drive).
  3. When “CD-ROM DRIVE SETUP” window opens, place mouse pointer on “2 Drives” circle and left-click (a black dot will appear in circle).
  4. Left-click “1 CD-ROM Drive” “Browse” box and when “DIRECTORY SETUP” window opens, select “C:” in lower “Drive” box.
  5. Next double left-click “nissan” folder in “Directory” box (page down list).
  6. Double left-click ”disk1~1”, then left-click “OK” box and when “CD-ROM DRIVE SETUP” window reopens, “1 CD-ROM Drive” box will read “c:\nissan\disk1~1”.
  7. Left-click “2 CD-ROM Drives” “Browse” box and when “DIRECTORY SETUP” window opens, select “C:” in “Drive” box.
  8. Next double left-click “nissan” folder in “Directory” box (page down list).
  9. Double left-click ”disk2~1”, then left-click “OK” box and when “CD-ROM DRIVE SETUP” window reopens, “2 CD-ROM Drive” box will read “c:\nissan\disk2~1”.
  10. Close all windows, as “FAST” program will now find “Disk1” and “Disk2”.

(For Windows XP)

  1. Left-click “START” on “lower tool bar” and then left-click “Programs”.
  2. When “Programs” window opens, move mouse pointer over “FAST for Windows” (this was created, when FAST program was installed) and then left-click “FAST setup”.
  3. When “FAST setup” window opens, left-click “CD-ROM setup” TAB.
  4. When “CD-ROM setup” window opens, left-click “Drive 1” line and left-click “Browse” box.
  5. When “Browse for folder” window opens, left-click “+” box left of “C:”.
  6. Page down to “nissan” folder, left-click “+” box left of “nissan” folder, left-click “disk1~1” and then left-click “OK” box.
  7. “Drive 1” line in “CD-ROM setup” window, will now read “c:\nissan\disk1~1”.
  8. Left-click “Drive 2” line and left-click “Browse” box.
  9. When “Browse for folder” window opens, left-click “+” box left of “C:”.
  10. Page down to “nissan” folder, left-click “+” box left of “nissan” folder, left-click “disk2~1” and then left-click “OK” box.
  11. If “Drive 2” line reads “c:\nissan\disk2~1”, setup is complete, so left-click the “OK” box.
  12. Close all windows, as “FAST” program will now find “Disk1” and “Disk2”.

NOTE: In some cases “FAST for Windows” file does not appear in “Programs” list. Do following to find “FAST Setup” file.

  1. On “Desktop” left-click Start on “lower tool bar” and double left-click “My Computer”.
  2. Double left-click “C:” and double left-click “NISSAN” folder.
  3. Find file and left-click “Nfset” file, when “Nfset” opens, follow steps #3 to #12 above.

How to run FAST software.

(for Windows Vista)

  1. Left-click “START” on “lower tool bar” and then left-click “All Programs”.
  2. Move mouse pointer to “FAST for Windows” and left-click “FAST menu”.
  3. When “FAST menu” comes up, left-click either:

  • “FAST system” for 1979 to 2003 models.
  • “E-FAST system” for 1964 to 1978 models. NOTE: When starting “E-FAST”, a window indicating an error may come up. Just click “OK” box and program will start.

  1. System that is selected starts, so wait for it to load.

(Windows XP)

As said before, in some cases “FAST for Windows”, does not show up in “Programs” list, so there seems to be no way to start “FAST program”. If this happens, do the following:

  1. On “Desktop” left-click Start, double left-click “My Computer”, double left-click “C:” and double left-click “NISSAN” folder.
  2. Find “Nfmenu” file, right-click and when sub window opens, left-click “Copy” and close window.
  3. Place mouse pointer on any blank area on “Desktop” and when sub window opens, left-click “Paste”.
  4. Now to open “FAST program”, double left-click “Nfmenu”, on “Desktop”.

Yer sounds like it mate when you get it all running just check you dont have the US database hooked up by checking a vin from here

badben Enthusiast

badben

Posted
Posted (edited)

Al despo , appreciate the work champ

Mate this is my actual vin, if you could run it BNR32303496

and id also like you to run this one BNR32305398 too.

big thanks

Edited by badben
badben Enthusiast

badben

Posted
Posted

I've been trying to figure out what the extra letter means at the end of the vin on 32's

The extra letter is between the 7 and AA.

I thought it was there on all post 93/02 R32 GTRs.

Thats seems to be not the case here, as the 3 I got you to do yesterday don't have the extra letter.

I've got an R32 vin decoder which says nothing about it this letter or its location in the vin itself,

I'm a little curious at to what it could mean.

Al Despo Proficient

Al Despo

Posted
Posted

I've been trying to figure out what the extra letter means at the end of the vin on 32's

The extra letter is between the 7 and AA.

I thought it was there on all post 93/02 R32 GTRs.

Thats seems to be not the case here, as the 3 I got you to do yesterday don't have the extra letter.

I've got an R32 vin decoder which says nothing about it this letter or its location in the vin itself,

I'm a little curious at to what it could mean.

Mate to be honest wouldnt have a clue, id suggest a search through the forum or pm one of the big boys here to see if they know (moderators etc)

badben Enthusiast

badben

Posted
Posted (edited)

thank alex.

I've been thinking of asking some of the guys, it just want some soild info before I say anything so i dont look like the fool and

to see if its been bought up before in earlier threads.

You may get a few more vins while I nut this one out

Edited by badben
Miguelone Grand Master

Miguelone

Posted
Posted

hey alex

could ya run this BNR32308857

v4uwzs.png

My FAST won't do the other one :(

hey mate, any chance you could vin this for me?

bnr32000246

thanks in advance mate

It won't do this one either but WOW that is an early vin.

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      How To: "Refabricate" a Stagea 260RS/R33 GTR Speedo Sensor

      By aznriptide859 · Posted

      So this being my first contribution to the SAU forums, I'd like to present and show how I had to solve probably one of the most annoying fixes on any car I've owned: replacing a speedometer (or "speedo") sensor on my newly acquired Series 1 Stagea 260RS Autech Version. I'm simply documenting how I went about to fix this issue, and as I understand it is relatively rare to happen to this generation of cars, it is a gigantic PITA so I hope this helps serve as reference to anyone else who may encounter this issue. NOTE: Although I say this is meant for the 260RS, because the gearbox/drivetrain is shared with the R33 GTR with the 5-speed manual, the application should be exactly the same. Background So after driving my new-to-me Stagea for about 1500km, one night while driving home the speedometer and odometer suddenly stopped working. No clunking noise, no indication something was broken, the speedometer would just stop reading anything and the odometer stopped going up. This is a huge worry for me, because my car is relatively low mileage (only 45k km when purchased) so although I plan to own the car for a long time, a mismatched odometer reading would be hugely detrimental to resale should the day come to sell the car. Thankfully this only occurred a mile or two from home so it wasn't extremely significant. Also, the OCD part of me would be extremely irked if the numbers that showed on my dash doesn't match the actual ageing of the car. Diagnosing I had been in communication with the well renown GTR shop in the USA, U.P.garage up near University Point in Washington state. After some back and forth they said it could be one of two things: 1) The speedometer sensor that goes into the transfer case is broken 2) The actual cluster has a component that went kaput. They said this is common in older Nissan gauge clusters and that would indicate a rebuild is necessary. As I tried to figure out if it was problem #1, I resolved problem #2 by sending my cluster over to Relentless Motorsports in Dallas, TX, whom is local to me and does cluster and ECU rebuilds. He is a one man operation who meticulously replaces every chip, resistor, capacitor, and electronic component on the PCB's on a wide variety of classic and modern cars. His specialty is Lexus and Toyota, but he came highly recommended by Erik of U.P.garage since he does the rebuilds for them on GTR clusters.  For those that don't know, on R32 and R33 GTR gearboxes, the speedometer sensor is mounted in the transfer case and is purely an analog mini "generator" (opposite of an alternator essentially). Based on the speed the sensor spins it generates an AC sine wave voltage up to 5V, and sends that via two wires up to the cluster which then interprets it via the speedometer dial. The signal does NOT go to the ECU first, the wiring goes to the cluster first then the ECU after (or so I'm told).  Problems/Roadblocks I first removed the part from the car on the underside of the transfer case (drain your transfer case fluid/ATF first, guess who found out that the hard way?), and noted the transfer case fluid was EXTREMELY black, most likely never changed on my car. When attempting to turn the gears it felt extremely gritty, as if shttps://imgur.com/6TQCG3xomething was binding the shaft from rotating properly. After having to reflow the solder on my AFM sensors based on another SAU guide here, I attempted to disassemble the silicone seal on the back of the sensor to see what happened inside the sensor; turns out, it basically disintegrated itself. Wonderful. Not only had the electrical components destroyed themselves, the magnetic portion on what I thought was on the shaft also chipped and was broken. Solution So solution: find a spare part right? Wrong. Nissan has long discontinued the proper sensor part number 32702-21U19, and it is no longer obtainable either through Nissan NSA or Nissan Japan. I was SOL without proper speed or mileage readings unless I figured out a way to replace this sensor. After tons of Googling and searching on SAU, I found that there IS however a sensor that looks almost exactly like the R33/260RS one: a sensor meant for the R33/R34 GTT and GTS-T with the 5 speed manual. The part number was 25010-21U00, and the body, plug, and shaft all looked exactly the same. The gear was different at the end, but knowing the sensor's gear is held on with a circlip, I figured I could just order the part and swap the gears. Cue me ordering a new part from JustJap down in Kirrawee, NSW, then waiting almost 3 weeks for shipping and customs clearing. The part finally arrives and what did I find? The freaking shaft lengths don't match. $&%* I discussed with Erik how to proceed, and figuring that I basically destroyed the sensor trying to get the shaft out of the damaged sensor from my car. we deemed it too dangerous to try and attempt to swap shafts to the correct length. I had to find a local CNC machinist to help me cut and notch down the shaft. After tons of frantic calling on a Friday afternoon, I managed to get hold of someone and he said he'd be able to do it over half a week. I sent him photos and had him take measurements to match not only the correct length and notch fitment, but also a groove to machine out to hold the retentive circlip. And the end result? *chef's kiss* Perfect. Since I didn't have pliers with me when I picked up the items, I tested the old gear and circlip on. Perfect fit. After that it was simply swapping out the plug bracket to the new sensor, mount it on the transfer case, refill with ATF/Nissan Matic Fluid D, then test out function. Thankfully with the rebuilt cluster and the new sensor, both the speedometer and odometer and now working properly!   And there you have it. About 5-6 weeks of headaches wrapped up in a 15 minute photo essay. As I was told it is rare for sensors of this generation to die so dramatically, but you never know what could go wrong with a 25+ year old car. I HOPE that no one else has to go through this problem like I did, so with my take on a solution I hope it helps others who may encounter this issue in the future. For the TL;DR: 1) Sensor breaks. 2) Find a replacement GTT/GTS-T sensor. 3) Find a CNC machinist to have you cut it down to proper specs. 4) Reinstall then pray to the JDM gods.   Hope this guide/story helps anyone else encountering this problem!
    • sinn3r
      R34 Skyline climate control unit transistor

      By sinn3r · Posted

      perhaps i should have mentioned, I plugged the unit in before i handed over to the electronics repair shop to see what damaged had been caused and the unit worked (ac controls, rear demister etc) bar the lights behind the lcd. i would assume that the diode was only to control lighting and didnt harm anything else i got the unit back from the electronics repair shop and all is well (to a point). The lights are back on and ac controls are working. im still paranoid as i beleive the repairer just put in any zener diode he could find and admitted asking chatgpt if its compatible   i do however have another issue... sometimes when i turn the ignition on, the climate control unit now goes through a diagnostics procedure which normally occurs when you disconnect and reconnect but this may be due to the below   to top everything off, and feel free to shoot me as im just about to do it myself anyway, while i was checking the newly repaired board by plugging in the climate control unit bare without the housing, i believe i may have shorted it on the headunit surround. Climate control unit still works but now the keyless entry doesnt work along with the dome light not turning on when you open the door. to add to this tricky situation, when you start the car and remove the key ( i have a turbo timer so car remains on) the keyless entry works. the dome light also works when you switch to the on position. fuses were checked and all ok ive deduced that the short somehow has messed with the smart entry control module as that is what controls the keyless entry and dome light on door opening   you guys wouldnt happen to have any experience with that topic lmao... im only laughing as its all i can do right now my self diagnosed adhd always gets me in a situation as i have no patience and want to get everything done in shortest amount of time as possible often ignoring crucial steps such as disconnecting battery when stuffing around with electronics or even placing a simple rag over the metallic headunit surround when placing a live pcb board on top of it   FML
    • dbm7
      R34 Skyline climate control unit transistor

      By dbm7 · Posted

      Bit of a pity we don't have good images of the back/front of the PCB ~ that said, I found a YT vid of a teardown to replace dicky clock switches, and got enough of a glimpse to realize this PCB is the front-end to a connected to what I'll call PCBA, and as such this is all digital on this PCB..ergo, battery voltage probably doesn't make an appearance here ; that is, I'd expect them to do something on PCBA wrt power conditioning for the adjustment/display/switch PCB.... ....given what's transpired..ie; some permutation of 12vdc on a 5vdc with or without correct polarity...would explain why the zener said "no" and exploded. The transistor Q5 (M33) is likely to be a digital switching transistor...that is, package has builtin bias resistors to ensure it saturates as soon as base threshold voltage is reached (minimal rise/fall time)....and wrt the question 'what else could've fried?' ....well, I know there's an MCU on this board (display, I/O at a guess), and you hope they isolated it from this scenario...I got my crayons out, it looks a bit like this...   ...not a lot to see, or rather, everything you'd like to see disappears down a via to the other side...base drive for the transistor comes from somewhere else, what this transistor is switching is somewhere else...but the zener circuit is exclusive to all this ~ it's providing a set voltage (current limited by the 1K3 resistor R19)...and disappears somewhere else down the via I marked V out ; if the errant voltage 'jumped' the diode in the millisecond before it exploded, whatever that V out via feeds may have seen a spike... ....I'll just imagine that Q5 was switched off at the time, thus no damage should've been done....but whatever that zener feeds has to be checked... HTH
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