Bexa20

iTrader: (27)

I'm starting to learn the ECUFlash and to tell you the truth some of those acronyms are killing me because I don't know what they mean. So I decided to create a new topic where we can put all of them in alphabetical order so the next person simply by clicking this topic could find the meaning right away without asking. If database would grow maybe at one point we could make a stiky out of it. Lets only stick to subject related to the ECUFlash and EvoScan and whatever is necessary. So plese guys start putting all the acronyms/abbreviations and the explanation and I will try to organize them in the very first post.

ACD0F - Active Centre Diff - in off position???
AFR - Air Fuel Ratio
AICS - Automatic Intercooler Spray (Switch)
ALS - Anti-Lag System
AltMap - Alternative Map Support
ATDCf - After Top Dead Center (firing)
ATDCnf - After Top Dead Center (non-firing)
ATDCs - After Top Dead Center (scavenging)
BCLO - Boost Control Load Offset
BDEL - Boost Desired Engine Load
BMEP - Break Mean Effective Pressure
BSAC - Break Specific Air Consumption
BSCO - Break Specific CO2
BTDC - Before Top Dead Center
BTDCf - Before Top Dead Center (firing)
BTDCnf - Before Top Dead Center (non-firing)
BTE - Break Thermal Efficiency
BWGDC - Baseline Wastgate Duty Cycle
CA - Crank Angle
CBE - Cat Back Exhaust (system)
CEL - Check Engine Light
CR - Compression Ratio
DBL - Detonation Border Line
E85 - Ethanol 85
EBC - Electronic Boost Control(ler)
Eff - Efficiency
EGR - Exhaust Gas Recilculation
EGT - Exhaust Gas Temperature
EVC - Exhaust Valve Closing
IAC - Idle Air Control
IAM - Ignition Advance Multiplier
IAT - Intake Air Temperature
ICE - Internal Combustion Engine
IDC - Injector Duty Cycle
IGN - Ignition
IPW - Injector Pulse Width
ISCV - Idle Step Control Valve
JDM - Japanese Domestic Market (i.e. an Evo built in Japan)
IVC - Intake Valve Closing
IVO - Intake Valve Opening
LBT - Leanest for Best Torque
LHV - Lower Heating Value
LTFT Low - Long Term Fuel Trim Low
LTFT Mid - Long Term Fuel Trim Mid
MAF - Mass Air Flow (Sensor)
MAP - Mass Air Pressure (Sensor)
MBC- Manual Boost Control(er)
MBT - Minimum Advance for Best Torque
MFB - Mass Fraction Burned
NLTS - No Lift To Shift
RON - Research Octane Number
SAS - Secondary Air System
SES - Service Engine Soon
SI - Spark Ignition
SMD - Sauter Mean Diameter
STFT - Short Term Fuel Trim
TB - Throtle Body
TBE - Turbo-Back Exhaust (system)
TBEC - Turbo Boost Error Correction
TDC - Top Dead Center
TPS - Throtle Position Sensor
UKDM - UK Domestic Market (i.e. an Evo originally sold in the UK)
USDM - US Domestic Market
WGDC - Wastgate Duty Cycle
WOT - Wide Open Throtle

TouringBubble

iTrader: (2)

BDEL = Boost Desired Engine Load ... the value in ECUFlash that determines desired load/boost levels.
WGDC = Wastegate Duty Cycle ... percentage value that tells you the duty cycle of the boost control solenoid. Sometimes BWGDC or baseline wastegate duty cycle in reference to the WGDC map values.
TBEC = Turbo Boost Error Correction. This table offsets the BWGDC values in order to reach target boost/load. BWGDC +/- TBEC = actual WGDC.

nothere

iTrader: (23)

how about an explanation or a description of ecuflash files like xmls?

Bexa20

iTrader: (27)

o yes this is what I'm looking for. Keep them comming

codgi

iTrader: (22)

IAT I believe is Intake Air Temperature but I am subject to correction.

codgi

iTrader: (22)

This is an interesting one. The best way to approach this would be to learn about xml in general which is a separate topic for another forum . The super simplification is that the xmls just tell ECUFlash which part of the rom to look into for specific values and how best to show them for display to the user.

rolly1818

nice thread. what does ISCV mean?

Gpunkt

I think:

IdleStepControlValve

tkklemann

iTrader: (6)

A brief explanation of xml's:

Located here (Generally Speaking):

C:\Program Files\OpenECU\EcuFlash\rommetadata\mitsubishi

... are the xml's for your specific car broken down by your ECU ROM ID number. For example, my car, a 2005 VIII has an ECU internal ID of 96940011. So, whenever someone find a table available to us in ECUFlash, I insert the code into the 96940011 code because it matches my ECU Internal ID. If yo uhave say an early 06 IX, your ECU internal ID might be 88590013.

Another example:

Mr. Fred released his ECU Direct Boost control, and I want to put it into my car (The 05 VIII), here ishow I did it:

1. Copy the lines of code from the thread he created specifically for the 05 96940011 ROM.
2. Insert it into the 96940011 xml located here (Generally speaking)

C:\Program Files\OpenECU\EcuFlash\rommetadata\mitsubishi\evo

and insert the lines of code just before the last <rom> int he code. (I open the 96940011.xml using notepad)

3. Close the xml after you have inserted the code, and re-open your ROM.

4. You should see the new tables listed in your ROM.

5. Sometimes the code can be inserted into the evo7base.xml if you want to have the tables displayed in all Evo 8 ROM codes. (I know it says evo7base, but it will apply to the Evo 7's ROM codes as well as the Evo 8 codes. They are esentially the same ECU's, just different ID's) Same applies for the Evo 9's.

Damit, I really wanted to finish this, but work is calling right now.. Argh!

rovanpera

iTrader: (2)

can someone (competent, not me) please make the abbreviations more complete and make it a sticky please for newbs please

Bexa20

iTrader: (27)

rovanpera - this is the whole idea, I hope everybody will put in somethin so we can make a nice thread

guys even if you know any of the abbreviations and they are not here and nobody asked for it please put them in, if you can provide an explanation like TouringBubble did in his post #2 that is even better. Some of them will not need explanation but some of them will.

TouringBubble

iTrader: (2)

BCLO = Boost Control Load Offset. This value added to the BDEL value determines the desired load/boost.

TouringBubble

iTrader: (2)

STFT = Short Term Fuel Trim. AKA, O2 Feedback Trim. Trim instantly applied to reach stoich in closed loop. This value stacks with the LTFT low, mid or high (depending on airflow range).

Bexa20

iTrader: (27)

IAM - Ignition Advance Multiplier

gosu.pianist

What is EGT?