My experience with the TPMS - it is very sensitive
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Joined: Dec 2008
Posts: 174
From: Hilton Head Island, SC
My experience with the TPMS - it is very sensitive
This morning, the Spousal Unit drives off in the new Fit, only to come back one minute later, all upset about a yellow light on the dash - bearing a symbol she can't figure out. I instantly recognize it is the TPMS. I check all four tires with a gauge which I believe is reasonably accurate. Three are at 29 psi, and one is at just a hair under 28. I correct all the pressures to the 32 - 33 psi range, and happily the light goes out after restarting the engine and driving a few feet.
Beware; that TPMS is awfully sensitive. Looks like I will need to be more vigilant about manually checking all the tire pressures on a frequent basis. Have any fellow FitFreaks also found that the TPMS can be triggered at a pressure which is pretty close to normal?
Beware; that TPMS is awfully sensitive. Looks like I will need to be more vigilant about manually checking all the tire pressures on a frequent basis. Have any fellow FitFreaks also found that the TPMS can be triggered at a pressure which is pretty close to normal?
Thread Starter
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Member
Joined: Dec 2008
Posts: 174
From: Hilton Head Island, SC
[quote=kenchan;679552]you shouldn't be under 30psi anyway.... so not sure where you
get that it's "very sensitive"
...
For comparison, our 2008 BMW uses 35 front/40 rear for pressures. Their TPMS compares pressure difference for each axle pair. It takes a good 4 psi difference to trigger the TPMS alarm, and then it will show the one tire of the axle pair which is low via a red 'tire' on a vehicular diagram. I would consider that a less sensitive system. The 35/40 pressure choice is for long tire life and for high speed driving. Lower pressures can be chosen, but the system still acts upon difference rather than absolute pressure. By the way, any time you adjust pressures, you need to recalibrate the system,which requires a few button pushes. The Honda Fit system obviously never requires recalibration.
get that it's "very sensitive"
...
For comparison, our 2008 BMW uses 35 front/40 rear for pressures. Their TPMS compares pressure difference for each axle pair. It takes a good 4 psi difference to trigger the TPMS alarm, and then it will show the one tire of the axle pair which is low via a red 'tire' on a vehicular diagram. I would consider that a less sensitive system. The 35/40 pressure choice is for long tire life and for high speed driving. Lower pressures can be chosen, but the system still acts upon difference rather than absolute pressure. By the way, any time you adjust pressures, you need to recalibrate the system,which requires a few button pushes. The Honda Fit system obviously never requires recalibration.
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