Fuel Inclination meter reset

I did this in a 2001 Prius and could not detect any difference in fueling afterwards. Therefore in my case the tank bladder was probably responsible for the lower refueling capacity.

 

:dizzy: Wow...that looks super complex. I may give it a whirl in my garage, it's pretty level there. What's the benefit to this procedure?

 

+1 yeah, what does this do?

 

all this does is reset the inclination sensor, which is only part of various sensors that are used to sense the level of gasoline in your tank, i think

you left out step a (1)

Connect the connector and install the meter securely in the position shown in the illustration so that it is inclined at a 20 degree angle to the vehicle's vertical line A.

if the inclination sensor is not at a 20 degree angle you are probably doing it wrong or throwing it off

 

i cannot find any information about specifically adjusting, resetting, calibrating, etc the fuel meter in the combination display.


The fuel level is calculated by the meter ECU in
accordance with the signals of the sender gauge
located in the sub tank and the vehicle speed signal
received from the brake ECU. At this time, corrections
are made by the signals from the inclination sensor
that detect the vehicle's longitudinal and latitudinal
inclinations and the fuel temperature sensors that
detects the temperature in the fuel tank.

 

I reset mine a couple of months ago. Nothing much changed because, I assume, there was nothing wrong with the calibration in the first place. The ScanGauge has since confirmed that what the gas gauge tells me is approximately in line with the raw reading from the float.

 

Bear68 posted instructions some time back that were way simpler than this. I'm not sure that it reset the exact sensor this does, but it was a reset for the actual "how many pips = how full the tank is" sort of thing. I remember that he said that the tank needed to be over half full, however.

 

if it ain't broke, don't try and fix it for the sake of tinkering. the inclination sensors correct for the car being on an incline when calculating what to display on the fuel gauge. you could throw off their calibration if you're not on a level surface when you do it. they recommend doing this on an alignment rack...

 

At one point over the summer I parked on a fairly steep slope
to the right, leaving the system powered on, to take a quick stop
into a store. A little while later I noticed that the MFD
average had reset itself. Apparently the strong tilt had been
interpreted as a refueling event.
.
I also went over some washboard sand roads over the summer that
were bouncing the whole instrument binnacle up and down so hard
I can't imagine how the sensors would be able to hold on to any
concept of reality under that kind of punishment.
.
I've never reset my sensors since the gauge and the sender seem
pretty well matched, but I might play one of these days.
.
_H*

 

In my case I thought that the gauge might have been off its calibration since my standard "fill" is maybe 7 gallons, less if it's cold. It would have been nice to find that there was an extra usable gallon or two sloshing around in there, but unfortunately that isn't the case. Instead I just run it down a bit farther since I have the ScanGauge giving me enough resolution to be comfortable.