What is MUT-III?
MUT stands for Multi-Use-Tester.

The MUT-III can perform a variety of functions including rewriting the vehicles ECU, rewriting the vehicles TCM, reading diagnosis codes, and clearing diagnosis codes.

What is the difference between the 1000$ and 600$ Chinese mut 3 and What is the function of the cf car includes in some mut3

There is no generic answer as that totally depends on vendors, etc. Pick two actual auctions or items for sale and compare those two.

There are usually two flavors available – one that reads codes and stuff and the other that is capable of doing programming. The programming units are usually a higher price.

I read I can download a MUT III online. Is that true? Where?
There are various sources to obtain the MUT-III SOFTWARE online. However doing so through a torrent or FTP site is software considered piracy and illegal.

Do I need to install the file somewhere in my hard drive?

Yes, you will need to manually copy the FILE. it does not appear in the DB anywhere.

You select the TCU portion, then Options, then program TCU and manually search for the file. Then tell it Yes to continue with the programming.

Someday I’ll do screen shots but that’s not gonna be this weekend.

My vin’s not recognized either! Where do you find the b001?

The DB in your installation is not for the proper region. Not to worry. It should show the current VIN and you can use that same one when doing VIN programming.

Note the “CFF_SST” subdirectory in the CDE12031 subdir (or off the root of the new CD you burned). All the different SST TCU ROM files are in there. Three for EVO (A749, B001, B151), some for Ralliart, some for other models with an SST.

You will need to manually copy those files to the computer then specifically tell the MUT3 program where to locate them. It’s not intuitive on how to do this, but it’s not particularly difficult either.

It’s just like falling off a bicycle – Learn it once and know it for life.

No communication with V.C.I. i have the newest mitsubishi software: PRE14031_00 ….

Is the VCI (large black box with both cables connected to it) powered on (there’s a small rocker switch on the side). A green light will come on.

Next are you using the blue db25-OBD2 cable?

Was the VCI recognized by th OS when the USb cable was connected to the computer? It should install a driver for it. Look in Computer Manglement. Devices to see if it’s seen by the OS (with it connected, powered on).

Try different USB cable.

Lastly the ignition switch must be in Run position, engine does not need to be running.

It’s always a good idea to have a battery charger connected when doing programming. Just in case the battery isn’t strong enough.

Outside of a defective unit or cable, that’s about it. The CF card plays no part as far as connecting to the car.

Chinese MUT 3, can it do teach in and reprogramming?

Yes, it works.

Is it true I can unlock Super Sport Mode and Launch Control with a MUT-III?
Yes.

I don’t know of anyone who got the ecu update thing to work
but you don’t need it , it all works fine without it

I have been successful in getting EVERY update to install. But I agree there’s not much useful in there for me so far.

( I hate how html’ing screws up tabs and directory listings!! )
Original DVD directories:

08/06/2013 03:05 PM <DIR> CD3E12031
08/06/2013 03:05 PM <DIR> PRE12031

cd PRE12031 (Path = \PRE12031):
Dir:
08/06/2013 03:06 PM <DIR> .
08/06/2013 03:06 PM <DIR> ..
07/13/2012 12:40 AM 53 autorun.inf
08/06/2013 03:05 PM <DIR> BAT
08/06/2013 03:06 PM <DIR> INSTALL
07/13/2012 12:40 AM 139,264 Mut3Check.exe
07/13/2012 12:40 AM 633 Mut3Check.exe.manifest
07/13/2012 03:01 AM 4,511 MUT3Check.ini
08/06/2013 03:06 PM <DIR> N
08/06/2013 03:06 PM <DIR> UNINSTALLER

So one would execute \PRE12031\Mut3Check.exe to install the MUT3 *program*.

Back on DVD:
cd ..\CD3E12031 (Path = \CD3E12031)
dir

07/13/2012 12:40 AM 61 autorun.inf
08/06/2013 03:05 PM <DIR> CFF_SST
07/13/2012 12:40 AM 225,280 ECUUpdateJudg.exe
08/06/2013 03:05 PM <DIR> ENV
08/06/2013 03:05 PM <DIR> MUT3

Burn the above files and directories to a new CD so these are in the ROOT of the CD (NOT in a subdirectory)

Dir on the new CD will show this:
07/13/2012 12:40 AM 61 autorun.inf
08/06/2013 03:05 PM <DIR> CFF_SST
07/13/2012 12:40 AM 225,280 ECUUpdateJudg.exe
08/06/2013 03:05 PM <DIR> ENV
08/06/2013 03:05 PM <DIR> MUT3

Then run the ECUUpdateJudg.exe program. All this does is populate the database with stuff that you probably won’t need. There can be useful ETACS/ABS/AYC/etc. updates but we have no way – just now – of knowing which ones we may want or what they do, or how to get back to what we just over-flashed.

If you want to know more about car repair and maintenance, please visit OBD2.LTD

There are a couple of different ways you can go about canceling cylinders. The easiest way is with a scan tool. Some tools have built in the capacity to do a power balance test this way, Launch scanners obtain the crankshaft acceleration data from each power stroke and save them in the order of ignition, then calculate result shows the difference of each cylinder in a graphical form. The Launch scanners that are tested able to monitor Engine Power Balance are X431 PAD VII, European Euro Tab III, MM4.0 (Other devices can buy “Engine Power Balance Monitoring” function in Mall module). And the workable vehicle makes are Hyundai, Kia, GM, Chrysler, Nissan, Infiniti, Honda, Acura, Ford.

Why need to test Engine Power Balance?

A power balance test locates the cylinder causing a lack of power and not contributing to the engine’s balance and performance. The cause of unequal power balance can mean a problem in the cylinders themselves, as well as in the piston rings, valve train, head gasket, fuel system, or even the ignition system.

So if you have misfire codes or if you have a rough-running engine, this is a good place to start your diagnosis. No matter how many cylinders you have in your engine, each cylinder is designed to produce the same amount of power. When one or more cylinders aren’t producing their proper power output, you may have a misfire and also a loss of power. One way you find the offending cylinder(s) is by doing a power balance test. While the engine is running, you cancel each cylinder one at a time and look for a drop in RPM. Each cylinder should produce the same RPM drop. If you get to a cylinder and there is no RPM drop, you’ve found a bad cylinder. Once you’ve found a bad cylinder, focus your diagnosis there to find the source of the issue.

How to test Engine Power Balance using Launch scanner?

Take Ford as an example and it is applied to other car makes.

1.Enter “Engine Power Balance Monitoring”, Select “FORD”.

2.Ignition on.

3.Confirm vehicle info and click “OK” to continue.

4.Processing…

5.Select “Power Balance”.

6. Communicating…

7.Read power balance warning info carefully, that:

Ensure that the parking brake is engaged and the wheels are blocked at the front and rear of the vehicle. Excessive RPM or rapid RPM changes may cause data missing.

Placing the transmission in gear and maintaining a steady load may help identify the suspect cylinders. Use reverses so that the parking brake is not automatically disengaged.

Start engine and then press “OK”.

8.Communicating…

9.Each Cylinder RPM is showed in the graphical form.