Anyone have a spare PJB? (passenger junction box)

[Effin Itai]

Pulling out every single hair left on my head with this issue. Found out I may have to replace my PJB for my 04 Mazda 3 GT. Tried a few used ones but they didn't seem to work. It is one of the most expensive parts in the car. The 'brain of the car' so to speak. Does anyone have one kicking around? LOL! Or does anyone know of a scrap yard or used parts store were I can find it? Maybe a website? Someone....help! LOL!

[Donutz]

A dude on kijiji is parting out like 2 mz3's. Try him. He's located in Maple (Jane and somewhere). He's a decent guy; I bought a spare headlight from him.

[Noisy Crow]

I don't think you can just stick a new PJB in without configuring it for your car.... at the very least programming the keys will need to be done.

[sas]

Agree.
As a minimum, you must to sinchronize the immobilizer.
Plus the old data from PJB must be stored and reflashed
to new PJB by WDS tool.Don't know what kind of data it is,
maybe it is only mileage, maybe something more important.

[S.F.W.]

Are you sure it's the PJB ?

[dsichewski]

could he not get a extra one from somewhere...scrap yard, person parting out a car and then take it to the dealer and have them do all the reflashing work...so instead of paying 1400 maybe only paying a couple hundred?

[sas]

I have reconsidered my post about immobilizer.
It is looks like not related to the immobilizer and uses separate bus.
Manual says only about Control panel and PCM, and no such DTC .
What happened with old PJB?
Maybe there is possibility to clear pins or to dry it ?

[Effin Itai]

This is the feedback I need. I was able to drive the car before yesterday with the 'auto function off'. Now, my lights will not turn off unless I disconnect the battery. LOL! The motor for the fan only works if my lights are in the manual postion. The car is now parked. So this box is now messed up. If you are right about the reprogramming of the keys with a new box, I may just have to bring it in to mazda after all. I'm still trying to find a used PJB. If all else fails, I will have to purchase the new one and swallow $1500. Thx for your feedback and let me now if you guys have anymore leeds.

Effin Itai

[Effin Itai]

Agree.
As a minimum, you must to sinchronize the immobilizer.
Plus the old data from PJB must be stored and reflashed
to new PJB by WDS tool.Don't know what kind of data it is,
maybe it is only mileage, maybe something more important.


Out of curiosity, how do you know all this stuff? LOL! The guy from Mazda didn't mention anything about the reprogramming of keys. LOL! What is the WDS tool?

[MajesticBlueNTO]

Out of curiosity, how do you know all this stuff? LOL! The guy from Mazda didn't mention anything about the reprogramming of keys. LOL! What is the WDS tool?

if memory serves me correctly, the immobilizer is tied into the instrument cluster, not the PJB. if you swap the instrument cluster, you have to re-initialize the immobilizer and pair with at least 2 keys. the PJB should be a straight swap.

WDS is the Worldwide Diagnostic System Mazda used for their cars 1997 up to 2005....it hooks into the OBD-II port to read the ECU/PCM/etc.

[sas]

No. I don’t think you must to reprogram keys, but new PJB must be reconfigured.
http://www.thaimazda3.com/svmanual/esicont/en/srvc/html/B3E094001072W01.html
Take a look carefully connector J-04 .
http://www.coremazda.com/tsb/mazda3/09-025-05-passenger-junction-
box-diagnostic.pdf
May be you could to ask this man what he had.
http://mazdas247.com/forum/showthread.php?t=123710920

[Effin Itai]

Now I'm gonna mention a couple of installs I had. HIDS were done last year. No problems. I installed the 'plug and play' type HID fogs. They were installed a month ago. The next day they were installed, drivers side wasn't working in the morning. In the afternoon they were working. This mostly happened in the cold mornings. Then, I had replaced the balast for the drivers side fog on Sat. From Sat to Tues. night everything was okay. Then, Wed. morning all this started to happen with my car. Does anyone think there could be an issue with the fogs that could screw-up my PJB?

However, many others in the club have installed HID fogs with no resulting problems. Can anyone wrap their heads around this?! LOL!

[cwp_sedan]

Marco, a lot of people have issues with one fog not turning on, so I want to say it's not related to your issue. I have the same problems sometimes. My passenger side doesn't fire sometimes so I usually just leave them off until the car starts.

As for it affecting the PJB. Anything could really.

[sas]

I don’t think you can to fire it, if all was done right.
Fogs are connected thru relay. If only relay is shoot between coil and working contacts. More questions to head lamps ballasts.
Try to remember if you disturbed any wires or sockets.
I more suspect you have moisture inside. Was there any sign? Wet surface or wires, stains above? It could be shot PJB, but why?
Did you the diagnostic procedure?

[Effin Itai]

This is what I'm going to do as much as I hate the thought of it:

HID fogs are coming out and stocks are going back in. The Hella horn I was going to put in, is going up for sale. The fogs may not be the issue and I really don't want to do this but I have no choice. If I do have to install a new PJB, I do not want to risk anything by installing more electrical items professionally or non-professionally. I can live without them. I am fed up with calling scrap yards cause no one has the PJB and everyone and their mother is trying to find one.

[Effin Itai]

New problem has arrose! Was going to run some errands with my car today and it is now shutting off at every single time it I am stopped at a light! I am now at my boiling point! I feel like putting a brick on the gas pedal and letting it go off a cliff!

[Noisy Crow]

New problem has arrose! Was going to run some errands with my car today and it is now shutting off at every single time it I am stopped at a light! I am now at my boiling point! I feel like putting a brick on the gas pedal and letting it go off a cliff!

Take it to a dealer have them run a diagnostic!

[Effin Itai]

I hope I can get it there without restarting the car 1 million times.

[S.F.W.]

I hope I can get it there without restarting the car 1 million times.
if you are out of warranty, why are you going to the dealer? Go to Jimmy or another mechanic.

[Noisy Crow]

if you are out of warranty, why are you going to the dealer? Go to Jimmy or another mechanic.

I don't think that Jimmy has the Mazda scan tool... a dealer will have the equipment to run diagnostics on the PJB, ECM, instrument cluster....

That said... if Effin Itai knows anyone with a ODBII scan tool that just *might* tell him something useful, although ODB is pretty much restricted to diagnosing engine issues and not control system ones.

[Effin Itai]

I don't think that Jimmy has the Mazda scan tool... a dealer will have the equipment to run diagnostics on the PJB, ECM, instrument cluster....

That said... if Effin Itai knows anyone with a ODBII scan tool that just *might* tell him something useful, although ODB is pretty much restricted to diagnosing engine issues and not control system ones.

Guys, thanks for your suggestions but at this point I cannot afford to trust anyone else with my car other than the dealer.

[sas]

Your car become dangerous. Be careful.
Sounds like some engine control sensors lost power supply.
On previous cars I had seen, these fuse panels was made as
sandwich and often they shot between layers. Apparently
it must to smell. If so, then your mods are not guilty.

[Effin Itai]

Your car become dangerous. Be careful.
Sounds like some engine control sensors lost power supply.
On previous cars I had seen, these fuse panels was made as
sandwich and often they shot between layers. Apparently
it must to smell. If so, then your mods are not guilty.

At this point, I am not taking anymore chances. I am getting the car towed to MoT. I live at Islington & Steeles, so it is a 20 min drive without traffic. The only thing is logistics and who I'm going to call to tow it. LOL! My HID headlights are alos not turning off unless the battery is disconnected. What's up with that?

[sas]

After all you had. I suppose it could be:
1)moisture or soot giving signal on controller
2)fried controller or out driver giving wrong signal on relay
3)power bypassing thru short circuit in "sandwich"
It's most obvious reasons, often,the electronics gives surprises to us.
Do try to ask MoT about details of fault.
It can help to prevent the same problem in future.

[Effin Itai]

Okay, good news. The car is fixed. Bad news, it was an expensive $$$$$$$ repair, but with the good help of the employees at MoT, it was reasonable. The PJB was cooked and was giving erratic signals to all lighting and electrical components of the car. It was also interferring with the engine as it was stalling at every intersection. Now everything is running fine and I just slapped on my winter's tonight. The car still idles low even before the PJB was replaced. The rev's dipp down to 500 then back to 750 when I approach a stop. This kinda baffles me. Other than that bring on old man winter! Crossing my fingers and hoping nothing else will happen for a while. LOL!

[Thrizzl3]

great marco now you don't have to be pissed off anymore:chuckle

[sas]

Congrats. For me, it was quickly.
Probably you have warranty on their work
and can ask them to check your revs.
It can be the oxygen sensor. Not sure, but the PCM diagnostic may to clarify it.
Monitor your MPG.
Check if performance remaining the same?
Cold engine RPM must be higher then idle on hot.

[Effin Itai]

Actually, my car does suck gas. Like a pig. I have an intake and I consume more than others with an intake. Are those simple to replace and expensive? Any input on that?

[sas]

It is not necessary that it is the oxygen sensor.
Engine has many sensors. But the oxygen sensor most sensitive to any
voltage and contamination. Bad news, that there is two and diagnostic
procedure can to miss this fault (this is relating to all analog sensors).
One thing I know, that RPM at idle have to be without any noticeable dropping.

[Donutz]

It's possible your ECU is still learning. I just reset mine last Saturday; my revs were dipping down to 500 for a while. It was particularly sensitive (dipped more frequently) with the defrosters on.

I drove to Kitchener and back and it was fine after that. Have you driven many kms since the pjb was replaced?

[Flagrum_3]

Okay, good news. The car is fixed. Bad news, it was an expensive $$$$$$$ repair, but with the good help of the employees at MoT, it was reasonable. The PJB was cooked and was giving erratic signals to all lighting and electrical components of the car. It was also interferring with the engine as it was stalling at every intersection. Now everything is running fine and I just slapped on my winter's tonight. The car still idles low even before the PJB was replaced. The rev's dipp down to 500 then back to 750 when I approach a stop. This kinda baffles me. Other than that bring on old man winter! Crossing my fingers and hoping nothing else will happen for a while. LOL!

What was the cost for the PJB installed? if you don't mind me asking......just curious!


_3

[McGuyver_3]

Agree.
As a minimum, you must to sinchronize the immobilizer.
Plus the old data from PJB must be stored and reflashed
to new PJB by WDS tool.Don't know what kind of data it is,
maybe it is only mileage, maybe something more important.


I know its a little late to reply now but just for the record i had to do nothing when i replaced mine. I found one in a wrecker and put it in my car and everything worked like a charm.My PJB was not fried but i wanted to upgrade some options in my car :) Everything worked like a charm

[Flagrum_3]

I know its a little late to reply now but just for the record i had to do nothing when i replaced mine. I found one in a wrecker and put it in my car and everything worked like a charm.My PJB was not fried but i wanted to upgrade some options in my car :) Everything worked like a charm

LOL Dan, is there anything you haven't changed yet for the sake of change? ....McGuyver does it again!!

What did you pay at the wreckers?


_3

[McGuyver_3]

hahaha yeah i added in the automatic lighting and auto wipers and i love the options :)
i payed a good sum at the wrecker :( but no where near dealer pricing

[Effin Itai]

hahaha yeah i added in the automatic lighting and auto wipers and i love the options :)
i payed a good sum at the wrecker :( but no where near dealer pricing

I'm sure you did. LOL




Flagrum, I paid $1300 bucks for install and part, this is with the TM3 discount btw. LOL!

[RedRaptor]

This just happened to me today...I came out from work and noticed my headlights were ON but the key was in my hand. I told myself...its a freak accident and won't happen again. So I started the car...the lights turned off and I thought I was in the clear. Until on the way home, my headlights went on by themselves and wouldn't TURN OFF no matter how much I played with the headlight stalk.

I had to disconnect my battery to turn off the headlights. Called up McGuyver and he was at my place within 30 min. Did some troubleshooting and he said the magic word "PJB". We drove over to his place and swapped out my PJB for his old one (with no auto lights or rain sensing wipers). Worked like a charm and now everything is back to normal.

Now I'm looking for a PJB...