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Tire Pressure Monitoring System; Do you get details on each tire?

Does anyone know if the Tire Pressure Monitoring System displays the tire pressure of each individual tire like it does on my 350z?

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Old 06-19-2009, 10:48 PM   #1 (permalink)
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Default Tire Pressure Monitoring System; Do you get details on each tire?

Does anyone know if the Tire Pressure Monitoring System displays the tire pressure of each individual tire like it does on my 350z?
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Old 06-19-2009, 11:10 PM   #2 (permalink)
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Originally Posted by raps101 View Post
Does anyone know if the Tire Pressure Monitoring System displays the tire pressure of each individual tire like it does on my 350z?

No...You just get a generic warning that one of the 4 is out of range.
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Old 06-19-2009, 11:11 PM   #3 (permalink)
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by the time it's out of range...it's probably flat....lol


I don't trust it enough...just check the tires consistently with a tire pressure gauge
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Old 06-19-2009, 11:55 PM   #4 (permalink)
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Wow thats frigin sucks! Any idea what the range is? Over 40lbs and below 30lbs??? or what?
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Old 06-20-2009, 12:02 AM   #5 (permalink)
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i think it's way below 30lbs
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Old 06-20-2009, 12:13 AM   #6 (permalink)
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G35 is 27lbs.. I can't imagine the 370Z being different.. so it's a fine detector, but for a quick leak, no replacing a visual check before you jump in the car..
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Old 06-20-2009, 12:59 AM   #7 (permalink)
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I'm still kinda torn on the TPMS thing. It seems silly to me to have something stuck in the wheel that upsets balance and makes them add a bunch of weights on the opposite side to get the balance right. And of course it's mainly designed as a dummy light for people that never check their tire pressure.

On the other hand, if I pick up a nail at the start of a long highway drive, I may not notice that I'm 10 pounds low in one rear tire for a lot longer than I'd like, and that seems like a scenario TPMS would help with. Then again I've always faced that risk without TPMS in the past, and nothing horrible has happened (the above scenario did happen, but the tire was fine after being patched). It may come down to a coin toss whether I move them over when I switch wheels/tires.

Anyone have any idea what the update rate is like? If it were a medium-fast leak, would the system notice before you did, or does it only check every several minutes?
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Old 06-20-2009, 01:01 AM   #8 (permalink)
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My Cadillac used to email me when my tire pressure was low. I just got an email today and I traded the car in a month ago.
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Old 06-20-2009, 01:05 AM   #9 (permalink)
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You know.. I've had more than my fair share of warning lights.. with my 20's.. seems like a small amount of depressurization is pretty common, at least with aftermarket wheels.. don't know why.

I'd say it's gone off once every 6-8 months for the last couple of years, and always a nice reminder when I get in (more often in cold weather, lower temps) and within a couple minutes of driving I get the warning.. hit the gas station, check the pressures, fill them up and realign.. off and running.

Let's be real.. does anyone actually go through the process of checking pressures once a week? If so, you're probably the same guy who does full details spending a full day cleaning every 2-3 weeks.. for me.. started that way.. after a couple years.. not so much.

It's a neat feature, and I'm glad it's mandatory.. the worst thing that happens is you're irritated when your pressure slips below 27lbs.. the pros are way more.. tire sidewall wear, not realizing a flat, improved gas mileage, etc.

Definitely transfer them to your aftermarket wheels.. beats starting at the light..
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Old 06-20-2009, 02:15 AM   #10 (permalink)
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The 2006 350 was the bomb here, displayed the actual pressure on all 4 tires, and was very accurate. Don't miss the oil consumption, but the TPMS was great

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Old 06-20-2009, 12:42 PM   #11 (permalink)
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Does anyone have the manual? can someone post how the Tire Pressure Monitoring System works? At what point does the TPMS light come on?
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Old 06-20-2009, 01:28 PM   #12 (permalink)
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The service manual is posted on these forums in PDF format, it's just kinda hidden away in an obscure subforum called "Nissan 370Z Owners Manual / Service Manuals"

There's info on the TPMS system in WT.pdf of the SM. What's interesting and retarded at the same time is that the system actually does indicate which wheel is having a problem, but it does it via blink codes instead of using the info gauge. The cutoff is 27psi to blink an alert, and the blink codes on the TPMS light for low pressure are as shown here:




So basically if you lose pressure in a tire, the lamp is going to blink in a repeating pattern which consists of:

A start marker, which is 5 seconds on, 5 seconds off.
Then a series of 1 or more fault codes, each of which consists of a number of 1 second slow flashes followed by a number of 0.2 second quick flashes, then a 1.8 second pause between them.

In the case of low pressure, the fault codes will be:
1 second on, 2 seconds off, then a series of 200ms fast blinks, spaced 1 second apart. 5 fast blinks is left front, 6 is right front, 7 is right rear, 8 is left rear.

There are a bunch of other fault codes that can be indicated regarding radio transmission failure, low battery level, etc (per wheel), it's all detailed in WT.pdf.
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Old 06-20-2009, 01:31 PM   #13 (permalink)
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Quote:
Originally Posted by Josh@STILLEN View Post
Let's be real.. does anyone actually go through the process of checking pressures once a week?
Yes, I do, like clockwork. I've been doing this with all my vehicles for over two decades.
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Old 06-20-2009, 01:32 PM   #14 (permalink)
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Quote:
Originally Posted by Josh@STILLEN View Post
Let's be real.. does anyone actually go through the process of checking pressures once a week? If so, you're probably the same guy who does full details spending a full day cleaning every 2-3 weeks.. for me.. started that way.. after a couple years.. not so much.
This ^. I'm still checking at least once a week right now, but yeah 4-5 years from now, I bet I'm not, unless I'm tracking the car often (as obviously I would check that among many other things before a track event).
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Old 06-20-2009, 03:19 PM   #15 (permalink)
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Quote:
Originally Posted by Josh@STILLEN View Post
...I'd say it's gone off once every 6-8 months for the last couple of years, and always a nice reminder when I get in (more often in cold weather, lower temps)...
OK Josh, since I live a few miles from the Stillen shop, I gotta ask - what cold weather do we get here in SoCal???
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