I think I heard this sound when the fans were blowing the other day.. it went away when I turned the fan off. Is this something else? It's that same
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01-21-2011, 01:32 PM | #181 (permalink) |
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I think I heard this sound when the fans were blowing the other day.. it went away when I turned the fan off. Is this something else? It's that same high pitched frequency computer power supplies make when they are going bad..
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01-21-2011, 02:11 PM | #182 (permalink) |
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It sounds like your ears are ringing and you'll hear it best with your right ear directed at the passenger footwell. That's where the ECM is located which is the culprit. For the engineering types, it sounds like a highly charged capacitor. Think of your really old tube TV when you turn it on....high pitch noise.
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01-21-2011, 03:24 PM | #183 (permalink) |
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yep, the old CRT TV sound spearfish mentioned is a very good discription of wat this noise sounds like. i heard it on the first test drive. im glad i didnt buy that car and got a different color instead.
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01-22-2011, 06:57 AM | #184 (permalink) |
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I posted this on the first page of the thread, but I'll post it again. The high pitched noise sounds like this...
freesound :: view sample :: TONE 10 kHz 44.1 16bit.wav |
01-22-2011, 12:17 PM | #186 (permalink) | |
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06-18-2011, 11:17 PM | #187 (permalink) |
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Did anyone see this update on the G37 forum thread re: the same issue? Seems like the logic was that an ECM mapped for ICC (in a car that didn't actually have it) was the problem.
"...apparently the database from the factory says that my car has intelligent cruise control, which it doesn't. Once they realized this, they were able to install the correct ECM with high-frequency fix. I've been running with this new ECM for several months, and it appears that the noise is pretty much gone..." Posted this in my New Owner thread - didn't get any response. |
06-19-2011, 09:33 AM | #189 (permalink) |
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had mine fixed this past march. dropped the car off they looked it over but couldnt understand why it was making the noise. I told them what i read on here so they called nissan and orderd a new ecm. Came back a week later to have it installed, no problem since.
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06-20-2011, 07:23 AM | #190 (permalink) |
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I'm having mine replaced this Thursday or Friday. I don't think I could have talked them into it being the ECU, but I mentioned for them to call into the Tech line as mentioned throughout this thread. As soon as the tech mentioned a high pitch noise coming from the glove box area, the tech line told him to order a new ECU. The call into the tech line for my service tech was very short. Hopefully this fixes the noise. Tech line mentioned that it was a transistor in the ECU.
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11-09-2011, 02:18 PM | #192 (permalink) |
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FYI, I just got mine resolved... here's how the process/timeline went down:
July: Brought the car into a dealer to confirm the issue. The tech could not hear anything and said Nissan Corporate has no record of such an issue. I asked them if the could put another tech in the car since it's not something everyone can hear, but they felt it wouldn't make a difference. They suggested I contact Nissan Consumer Affairs if I was unsatisfied with the decision. August: I contacted Nissan Corporate Consumer Affairs and notified them of the issue. They sided with the dealer and stated that if the dealer can't identify the problem, they have no reason to continue the investigation. I expressed my displeasure with that line of thinking both on the phone and via the survey I received after the fact. No one contacted me to follow up, so I assumed I was screwed and gave up. October: I got extremely lucky and randomly met a guy who works at Nissan Corporate and he quickly sent my issue over to the tech engineering team. They pushed the issue internally and I soon got a call from someone in customer service who set up an appointment for me to send the car back to the same dealer who said the issue didn't exist. November: The dealer had the car for the day, and called me to confirm that they could indeed hear the issue and agreed it was the ECU. They got the part in, and I just picked the Z up last night to find that the noise is gone and the service report reads, "Install & Program Update ECU." Based on the experience, my impression is that there are probably plenty of people at Nissan who individually care about resolving this issue once they hear it exists, but as a corporation, Nissan is aware of the issue and wants to pretend it does not exist. I don't see how else the same exact dealer who saw no issue originally would, on second attempt, need only a few hours to confirm the issue and correctly identify its source. |
11-09-2011, 02:25 PM | #193 (permalink) |
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good to hear stosh.
have to remember that folks that pickup the call at nissan corporate could be part-timers or someone with only associate level skills that just comes to work and goes home with their little paycheck. only ones that really care about their customers or business practice will take the necessary steps to make it right for you. |
11-09-2011, 03:43 PM | #194 (permalink) | |
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Any way you cut it, the board was not designed properly by the engineers and it sounds like a subsequent PCB revision has fixed the issue.
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11-09-2011, 03:50 PM | #195 (permalink) | |
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