How do I keep the scangauge on while coasting with engine off??? - Gas Savers

Compaq888 · 11-01-2006, 08:42 PM

I was thinking of putting it in hybrid mode but when would the scangauge know when to really turn itself off?

MetroMPG · 11-01-2006, 08:44 PM

If you have tried coasting with the engine off, do you turn the key back to "ON" immediately after the engine stops? Does the SG go off even after doing that?

Compaq888 · 11-01-2006, 08:55 PM

Quote:

Originally Posted by MetroMPG

If you have tried coasting with the engine off, do you turn the key back to "ON" immediately after the engine stops? Does the SG go off even after doing that?

LOL, sorry I don't do the ghetto key thing anymore. I got a kill switch. I kill the engine with the switch, the odometer still keeps working but the scangauge turns off. The only time the scangauge turns on if I bumpstart the engine, otherwise the scangauge is off.

MetroMPG · 11-01-2006, 09:03 PM

Have you tried using the Hybrid SG setting?

It doesn't leave the unit on indefinately. When you switch the key OFF, the SG goes out after a moment.

Compaq888 · 11-01-2006, 09:10 PM

ok, I'll try it to leave it in hybrid mode. But how does it know to turn off and stay on while coasting with engine off and just plain shutting the car off.

MetroMPG · 11-01-2006, 09:15 PM

I suppose it can tell the difference between RUN and ACC on your key switch. It stays on when it sees ACC, and only shuts off when it sees OFF.

Your car may also have the OBD2 protocol that puts the SG to sleep when the engine is killed with the key going from RUN to ACC (or through a kill switch wired in the key circuit effectively doing the same thing). If that's the case case, Hybrid mode won't help.

But try Hybrid mode first and see if the SG stays awake when you kill switch the engine.

psyshack · 11-01-2006, 09:17 PM

Set it to hybrid.

Diemaster · 11-02-2006, 01:04 AM

Quote:

Originally Posted by MetroMPG

Your car may also have the OBD2 protocol that puts the SG to sleep when the engine is killed with the key going from RUN to ACC (or through a kill switch wired in the key circuit effectively doing the same thing). If that's the case case, Hybrid mode won't help.

This is truth. when u shut the ke off even though u are still moving, u remove power to the ecu thus stoping the scaning of the sensors and the data flow (or "datastream" as called in the industry) to the SG. if u try to bypass it the obd2 protacall wont be happy at all and will give u all kinds of headaces. i speak form personal experiance

even if the ecu is on but no power to the sensors, you'll get "open" or "out-of-Range" codes.

if u can shift in to neutral, turn the key off then back on once the motor is stoped. u might get results. i tried that on mine and got 8 codes

.

Compaq888 · 11-02-2006, 01:18 AM

Quote:

Originally Posted by Diemaster

This is truth. when u shut the ke off even though u are still moving, u remove power to the ecu thus stoping the scaning of the sensors and the data flow (or "datastream" as called in the industry) to the SG. if u try to bypass it the obd2 protacall wont be happy at all and will give u all kinds of headaces. i speak form personal experiance

even if the ecu is on but no power to the sensors, you'll get "open" or "out-of-Range" codes.

if u can shift in to neutral, turn the key off then back on once the motor is stoped. u might get results. i tried that on mine and got 8 codes

.

geez. I'll just keep it the way it is then.

MetroMPG · 11-02-2006, 01:29 AM

No, no, no. Try it in Hybrid mode and report back. It may work just fine with your kill switch.

If it doesn't work, there are other ways to get around it, and you won't break anything. One thing at a time, though. First see how it goes in Hybrid mode.

Be careful though. You're more likely to run into a tree (or someone else, or stall it in front of a speeding Mack truck) while you're learning how to CODFISH / ICE-OFF coast, than not. If you do, don't blame it on me!

(If it's the Mack truck, we'll put "Tried hard to get good FE" on your grave stone.)

brick · 11-02-2006, 05:32 AM

This behavior is what mine did out of the box. Switching to hybrid mode solved the problem immediately. I kill the engine by keying off and then rebooting the ECU by switching back to "run." It never shuts down and continues logging data as if nothing happened. If this does not work for you while using the kill switch, try using the key method instead. (And remember that if you don't switch back to run after killing the engine then you won't have any computers or sensors running.) It's the same vintage of Honda that I'm driving so it should work fine.

JanGeo · 11-02-2006, 08:04 AM

Ok so how do you keep the SG from tunring on when I unlock and lock my xB doors a few times - I walk by my locked car at night and the freeking display is lit! Both I and II did this.

Diemaster · 11-02-2006, 09:13 AM

newer cars the computer's are linked together and wake up when anything happens. so a little as unlocking a door means u're wakeing up a computer to send to a nother computer to actualy unlock the door. if they didnt do it that way now a days w'd have a shoe box sized box w/ bout 150-200 upwards of 250 wires coming out. i serently dont want that thing going bad.

anyway when the comunicaton happens, the scan gauge sees this and also turns on expecting data. when none comes it goes back to sleep.

u'd be amazed at what were doing with CAN and networks in cars.

BTW u didnt hear it from me but i hear that toyota is releasing a driverles cruise control late next year.

brick · 11-02-2006, 09:21 AM

Quote:

Originally Posted by Diemaster

BTW u didnt hear it from me but i hear that toyota is releasing a driverles cruise control late next year.

You talking about the laser-guided cruise control that adjusts speed depending on what's going on in front of the car? Because my parents' Sienna already has that. The only thing it can't do is apply the brakes, which is now a feature on the new Mercedes S-class.

Diemaster · 11-02-2006, 09:24 AM

no this cruse control drives the car FOR u. the car follows road lines and basicly drives it's self

cfg83 · 11-02-2006, 02:53 PM

Diemaster -

Quote:

Originally Posted by Diemaster

This is truth. when u shut the ke off even though u are still moving, u remove power to the ecu thus stoping the scaning of the sensors and the data flow (or "datastream" as called in the industry) to the SG. if u try to bypass it the obd2 protacall wont be happy at all and will give u all kinds of headaces. i speak form personal experiance

even if the ecu is on but no power to the sensors, you'll get "open" or "out-of-Range" codes.

if u can shift in to neutral, turn the key off then back on once the motor is stoped. u might get results. i tried that on mine and got 8 codes

.

That works perfectly for me, no codes at all. I love manual transmissions!

Every car is different, and different years can be different too.

CarloSW2

Compaq888 · 11-03-2006, 01:35 AM

Honda already has the driveless cruise control for the accord in europe. Honda even urged drivers not to get into the back seat and take a nap.

Compaq888 · 11-03-2006, 01:36 AM

Quote:

Originally Posted by MetroMPG

No, no, no. Try it in Hybrid mode and report back. It may work just fine with your kill switch.

If it doesn't work, there are other ways to get around it, and you won't break anything. One thing at a time, though. First see how it goes in Hybrid mode.

Be careful though. You're more likely to run into a tree (or someone else, or stall it in front of a speeding Mack truck) while you're learning how to CODFISH / ICE-OFF coast, than not. If you do, don't blame it on me!

(If it's the Mack truck, we'll put "Tried hard to get good FE" on your grave stone.)

you seem to be very interested in this. I'll give it a try.

LOL, for the last month I've been trying so hard and no matter what I fill up I'm still 47th place. Hopefully I'll dip into the 30's next month.

onegammyleg · 11-03-2006, 01:58 AM

I saw on a science show ,,maybe it was on the BBC, a cruise and driving control system.

It did everything , brake accelerate and turn , even at weaving through red cones at high speeds on a race track.
The driver could (but he didnt) .... sit in the back and let the car do its thing.
The speeds on the track equalled or bettered what a real driver could do the course in.

The catch was that I think the car needed to be driven that route at least one time before so as to learn it and to map most of the obsticles.

It would also react to new things in its path and take appropriate action..

philmcneal · 11-03-2006, 02:02 AM

leave it on HYBRID setting
your driving like one now, accept it.

Compaq888 · 11-03-2006, 03:46 PM

I tried it in hybrid setting, nothing changed, it was exactly the same. I'm put it back to it's original settings. It's no biggie.

JanGeo · 11-03-2006, 03:56 PM

The SG doesn't go back to sleep - it stays lit and trying to communicate to the engine or completely locks up and has to be unplugged. And I mean stays lit for hours or overnight. I think I need to double check my power to the battery - there has been a bunch of problems with the radio skipping stations on the digital tuner also.