The EDC16 system is used in cars like the Seat Leon, golf 5 and other cars that are produced in the same period. The system looks a lot like the EDC15 system, but the EDC16 system is based on Torque (Nm) instead of Injected Quantity. There are a few more differences that are explained in this article. For all examples in this article I used the Seat Leon 105hp file.
Before starting Introduce,thanks to Midas’s selfless contribution to make this share.
Fuel related maps
General:
This map shows the required torque based on the RPM and the Throttle position. The output of this map is Torque in Nm. There may be more drivers wish maps, in the file I used for this guide there were 8 drivers wish maps.
Factors & offsets:
Map properties
Description: Torque
Unit: Nm
Name: Drivers wish
Start address: 1C2F96
Column x rows: 8×16
Values: 16Bit(HiLo)
Factor: 0.1
Offset: 0
X-Axis
Description: Throttle position
Unit: %
Start address: 1C2F86
Values: 16Bit(HiLo)
Factor: 0.01
Offset: 0
Y-Axis
Description: Rpm
Unit: 1/min
Start address: 1C2F66
Values: 16Bit(HiLo)
Factor: 1
Offset: 0
General:
This map limits the torque of the engine based on RPM and atmospheric pressure. The output of this map is also Torque in Nm.
Factors & offsets:
Map properties
Description: Torque
Unit: Nm
Name: Torque limiter
Start address: 1D43C2
Column x rows: 21×3
Values: 16Bit(HiLo)
Factor: 0.1
Offset: 0
X-Axis
Description: Rpm
Unit: 1/min
Start address: 1D4398
Values: 16Bit(HiLo)
Factor: 1
Offset: 0
Y-Axis
Description: Atmospheric pressure
Unit: Hpa
Start address: 1D4392
Values: 16Bit(HiLo)
Factor: 1
Offset: 0
General:
This map converts the requested Torque in Nm into IQ (injected quantity).
Factors & offsets:
Map properties
Description: IQ
Unit: mg/stroke
Name: Nm to IQ converion map
Start address: 1D6F9A
Column x rows: 16×15
Values: 16Bit(HiLo)
Factor: 0.1
Offset: 0
X-Axis
Description: Rpm
Unit: 1/min
Start address: 1D6F7A
Values: 16Bit(HiLo)
Factor: 1
Offset: 0
Y-Axis
Description: Torque
Unit: Nm
Start address: 1D6F5C
Values: 16Bit(HiLo)
Factor: 0.1
Offset: 0
General:
This map set the required boost depending on the requested torque and current rpm. There might be more than one boost map. In this file there are 2 boost maps.
Factors & offsets:
Map properties
Description: Boost
Unit: mBar
Name: Boost map
Start address: 1EAD92
Column x rows: 10×16(the other map in this file is 10×15)
Values: 16Bit(HiLo)
Factor: 1
Offset: 0
X-Axis
Description: Torque
Unit: Nm
Start address: 1EAD7E
Values: 16Bit(HiLo)
Factor: 0.1
Offset: 0
Y-Axis
Description: Rpm
Unit: 1/min
Start address: 1EAD5E
Values: 16Bit(HiLo)
Factor: 1
Offset: 0
General:
This map limits the required boost depending on the atmospheric pressure and the current rpm.
Factors & offsets:
Map properties
Description: Boost
Unit: mBar
Name: Boost limiter map
Start address: 1EAF00
Column x rows: 10×11
Values: 16Bit(HiLo)
Factor: 1
Offset: 0
X-Axis
Description: Atmospheric pressure
Unit: Hpa
Start address: 1EAEEC
Values: 16Bit(HiLo)
Factor: 1
Offset: 0
Y-Axis
Description: Rpm
Unit: 1/min
Start address: 1EAED6
Values: 16Bit(HiLo)
Factor: 1
Offset: 0
General:
This map limits the IQ depending on airmass and the current rpm.
Factors & offsets:
Map properties
Description: IQ
Unit: mg/stroke
Name: Smoke limiter map
Start address: 1D6188
Column x rows: 12×16
Values: 16Bit(HiLo)
Factor: 0.01
Offset: 0
X-Axis
Description: Boost
Unit: Mbar
Start address: 1D6170
Values: 16Bit(HiLo)
Factor: 1
Offset: 0
Y-Axis
Description: Rpm
Unit: 1/min
Start address: 1D6150
Values: 16Bit(HiLo)
Factor: 1
Offset: 0
General:
This value limits the absolute pressure of the turbo. This value can be found by looking directly behind the turbo limiter map. If you look in 2D you see a series of bumps like this:
The Svbl is located at the end of the series of bumps, just before the line “falls” back to “0”. In this case it is the highest value between the turbo limitation map and the next map. The value of the Svbl in this file is 2350mBar.
Factors & offsets:
Map properties
Description: Single value boost limiter
Unit: mBar
Name: Svbl
Start address: 1EB04A
Column x rows: 1×1
Values: 16Bit(HiLo)
Factor: 1
Offset: 0
General:
This map is a calibration map. This map shows how much rotation it takes to achieve the requered amount of fuel injected. the output of this map is in engine degrees.
Factors & offsets:
Map properties
Description: Engine rotation
Unit: degrees
Name: Duration map
Start address: 1E4F90
Column x rows: 15×19
Values: 16Bit(HiLo)
Factor: 0.023437
Offset: 0
X-Axis
Description: IQ
Unit: mg/stroke
Start address: 1E4F72
Values: 16Bit(HiLo)
Factor: 0.01
Offset: 0
Y-Axis
Description: Rpm
Unit: 1/min
Start address: 1E4F4C
Values: 16Bit(HiLo)
Factor: 1
Offset: 0
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