had my mega squirt up and running base map on ect the other day , all workin left my car for bout 4/5 days and now i have nothing and cant seem to re-upload anything ? is there a way to clear it and start agen coz im gettin real pissed off with it now !, keeps coming up " Page one : could not conect to controller." what can i do ? i got new firm wear to upload but cant do that as well becuase i get the same message

thanks

 

Luke,

You have a comms problem. The Megatune cannot talk to the ECU.

One common prob to check is that you have power to the ECU? You must have the ignition on to down load to the ECU.

 

Garage19 i was hopin this would be a common prob , i did hae the ignition on but not sure if my imbo was or not . when up dating firm wear do i need to brigde the boot gap as i been told i do ?
thanks

 

Whats an imbo???

Yes bridge the boot gap and follow the destructions in the dos prompt box.

From what i remember, once you have upgraded to the extra code you do not have to bridge the gap to upgrade to later versions of extra.

 

Remember that the megatune version you are using must match the firmware version you are using. If they do not match this may also cause the problem you have come across.

If you have updated the firmware you need to change to the megatune version that is recommended for it.

First things i would check though are. You have power to the ecu when trying to talk to it and you haven't changed any comms settings.

 

imbouliser lol , so plug my ms in turn on the ignition and hope i get power if i do brige the boot gap and i should get some thing come up ? gonna have to take the lap top back out agen lol thanks for your help ill go have a little play

 

Where did you get your ecu from? Mtech by any chance?

They should have loaded the correct firmware on ther for you and supplied a cd with the correct megatune.

As long as your comms are ok and there is power to the ecu you should be able to plug in the DB9 cable, start megatune and talk to your ecu.

 

tryed my other loom still no lights ? cant see why theres not power is it poss for ms to go pop ? looks like im down in the shit house now as i stuck for idears

 

Get a meter and find 12v and the earth on the wiring diagram for the DB 37 ECU connector. Turn the ignition on and see if you get a 12v reading.

 

i got 2 looms and still gettin no lights

 

Take the ecu out of the car.

Get your spare loom and put the live and earth direct to the battery and see if you get any lights.

Cuts out the whole car loom and potential problems with immobilisers etc.


Also, are you using a USB to Serial Convertor or has the laptop got a traditional 9 pin serial port as I know of a couple of tuners who have had problems with the USB to Serial Convertors

 

got the old lap top out so i could use the 9 pin i will go cut up my other loom and have a nother play thanks

 

Basically take it to the 'lowest common denominator' which is live, earth and comms.

Starting from that point you should find out if your ECU is fooked or not.


One of my customers did a silly thing with his, he did a hardware upgrade and tested it without fixing it back in the casing, then with the ignition on moved the base board and shorted it on the casing...

It can be done.

 

right the ms was in its case ! , i tryed to find live and earth and if they were the right ones then its fucked guess theres no way around mending it

 

Errrrrr the statement 'If there were the right ones' would worry me slightly.

Have you not got a wiring diagram for it ?

 

Try reading this page

http://www.megamanual.com/connect.htm


have you ever talked to this ECU with this laptop and cable before ?

 

What exactly did you do with the live and earth? And how do you know it is buggered. Have you tried talking to it with the laptop while the ecu has power to it? The LEDs do not show if the ecu has power or not so they are no indication.

 

yes the ECU and lap top were both used to unload the base map and firm wear i was sent origanly . after doing tellin the person that sent it he said theres a new firm wear and sent me a diffrent mega tune along with a file named "029q2" so heres what i did :
pluged the cable in to the ms then in to the lap top
briged the boot gap
turned on the ignition
opened up MegaTune 2.25b717 beta
and was told to upload a file i was sent named "029q2"
so i opened it and then got a message come up sayin " page 1: could not conect to controller

oh about about the wires i checked them from my other loom will check agen with a wiring digarm now

thanks

 

Garage19 pluged it all back in just now turned on the ignition and theres no pump prime were as i was gettin it last time i was playin with it 4/5 days ago . also when i turned on the igntion i used to get the middle light come on now i have nothing ?

 

update people ! managed to get hole of a new CPU should be picking it up tonite or soem time in the week

 

 

luke mate, dont fuck ur loom any more, ill pop over in a bit and show u wich wires to use, and u can us emy meter,
i think ur car battery is the problem, we were only getiin 9 v out of it the other day,

thas not enough

 

Dude!

Stop!!

Theres some serious basics to check before you plug another ECU in....

you risk killing that one!!!

Find out whats happened to your 1st ECU before you do ANYTHING else.

Alex

 

another up date lol its being random as fuck instaled some new softwear on to the laptop and seemed to instal the firm wear no lights but gettin live screen and everything like pump prime ? but still cant get my base map back on it , lee dont worry lol i used the shit loom