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ECUDecodeLicense / MoTeCECUs

MoTeC ECUs

Supported ECUs

  • MoTeC M4 Set 5
  • MoTeC M800 Set 3
  • MoTeC M400
  • MoTeC M600
  • MoTeC M48
  • MoTeC M84

MoTeC M4 Set 5

The MoTeC M4 ECU outputs an 84 byte sequence of data at 9.6kbaud. This is the standard MoTeC M4 Set 5 data protocol. The ECU must be configured to output data set 5 at 9600 baud. From this data, the following channels are extracted.

ECU Name Race Technology message Race Technology Default name Race Technology VAR number Resolution
RPM Engine Speed RPM VAR_0010 25RPM
Throttle Position Aux 1 Throttle Position VAR_2000 0.1%
Manifold Pressure Pressure 5 Boost Pressure VAR_3504 0.1kPa
Air Temperature Temperature 1 Temperature 1 VAR_1000 0.1C
Engine Temperature Temperature 8 Water Temperature VAR_1007 0.1C
Lambda 1 Misc 1 Lambda 1 VAR_4000 0.1 Lambda
Aux Temperature Temperature 25 Aux VAR_1024 0.1C
Aux Volt Analogue input 1 Analog 1 VAR_0200 0.01 V
Battery Voltage Misc 3 Battery Voltage VAR_4002 0.01 V
ECU Temperature Temperature 16 ECU Temperature VAR_1015 0.1C
Barometric Air Pressure Pressure 1 Ambient Air Pressure VAR_3500 0.1kPa
Digital Input speed 1 Aux 26 Auxiliary 1 VAR_2025 0.1kph
Digital Input speed 2 Aux 27 Auxiliary 2 VAR_2026 0.1kph
Ground Speed Aux 28 Auxiliary 3 VAR_2027 0.1kph
Drive Speed Misc 4 Speed From ECU VAR_4003 0.1kph
Slip Measured Time 1 Fuel Inj 1 PW on VAR_2500 0.1%
Gear Aux 25 Nitrous VAR_2024 Raw Value
Load Point Aux 29 Auxiliary 4 VAR_2028 0.1%
Efficiency Point Aux 15 Fuel Inj 2 Cut VAR_2014 0.1%
Efficiency 2 Point Aux 16 Fuel Inj 3 Cut VAR_2015 0.1%
Fuel Used Aux 17 Fuel Inj 4 Cut VAR_2016 0.1%
Auxiliary O/P 1 Duty Cycle Aux 6 Fuel Inj 1 PW VAR_2005 0.1%
Auxiliary O/P 2 Duty Cycle Aux 7 Fuel Inj 2 PW VAR_2006 0.1%
Auxiliary O/P 3 Duty Cycle Aux 8 Fuel Inj 3 PW VAR_2007 0.1%
Auxiliary O/P 4 Duty Cycle Aux 9 Fuel Inj 4 PW VAR_2008 0.1%
Lambda Short Term Trim Aux 2 Lambda 1 Short Trim VAR_2001 0.1%
Lambda Long Term Trim Aux 4 Lambda 1 Long Trim VAR_2003 0.1%
Fuel Actual Pulse Width Measured Time 2 Fuel Inj 2 PW on VAR_2501 s
Fuel Efficiency Measured Time 3 Fuel Inj 3 PW on VAR_2502 s
Fuel Injector Duty Cycle Measured Time 4 Fuel Inj 4 PW on VAR_2503 s
Fuel Acceleration Measured Time 5 Fuel Inj 5 PW on VAR_2504 s
Ignition Cut Level Aux 22 Ignition Cut VAR_2021 0.1%
Fuel Cut Level Aux 14 Fuel Inj 1 Cut VAR_2013 0.1%
Injection Angle Angle 1 Throttle Angle VAR_3000 0.1o
Sync Position Aux 18 Fuel Inj 5 Cut VAR_2017 0.1%
Fuel Temp Comp Aux 30 Fuel Aux Temp Comp VAR_2029 0.1%
Fuel Volt Comp Aux 31 Fuel Aux Volt Comp VAR_2030 0.1%


MoTeC M800 Set 3

The MoTeC M800 SERIAL ECU outputs a 175 byte sequence of data at 19.2kbaud. This is the standard MoTeC M800 Set 3 data protocol. From this data, the following channels are extracted.

ECU Name Race Technology message Race Technology Default name Race Technology VAR number Resolution
RPM Engine Speed RPM VAR_0010 25RPM
Throttle Position Aux 1 Throttle Position VAR_2000 0.1%
Manifold Pressure Pressure 5 Boost Pressure VAR_3504 0.1kPa
Air Temperature Temperature 1 Temperature 1 VAR_1000 0.1C
Engine Temperature Temperature 8 Water Temperature VAR_1007 0.1C
Lambda 1 Misc 1 Lambda 1 VAR_4000 0.1 Lambda
Lambda 2 Misc 2 Lambda 2 VAR_4001 0.1 Lambda
Exhaust Manifold Pressure Pressure 1 Ambient Air Pressure VAR_3500 0.1kPa
MASS Air Flow Aux 15 Fuel Inj 2 cut VAR_2014 0.1%
Fuel Temperature Temperature 25 Aux 1 VAR_1024 0.1C
Fuel Pressure Pressure 3 Fuel Pressure VAR_3502 0.1kPa
Oil Temperature Temperature 9 Oil Temperature VAR_1008 0.1C
Oil Pressure Pressure 2 Oil Pressure VAR_3501 0.1kPa
Gear Voltage Analogue input 1 Analog 1 VAR_0200 0.01 V
Knock Voltage Analogue input 2 Analog 2 VAR_0201 0.01 V
Gear Shift Force Aux 19 Fuel Inj 6 cut VAR_2018 0.1%
Exhaust Temperature 1 Temperature 17 Exhaust 1 Temp VAR_1016 0.1C
Exhaust Temperature 2 Temperature 18 Exhaust 1 Temp VAR_1017 0.1C
User Channel 1 Aux 20 Fuel Inj 7 Cut VAR_2019 0.1%
Launch RPM Aux 18 Fuel Inj 5 Cut VAR_2017 0.1%
Lambda 1 Short Term Trim Aux 2 Lambda 1 Short Trim VAR_2001 0.1%
Lambda 2 Short Term Trim Aux 3 Lambda 2 Short Trim VAR_2002 0.1%
Lambda 1 Long Term Trim Aux 4 Lambda 1 Long Trim VAR_2003 0.1%
Lambda 2 Long Term Trim Aux 5 Lambda 2 Long Trim VAR_2004 0.1%
Fuel Cut Level Aux 14 Fuel Inj 1 Cut VAR_2013 0.1%
Ignition Cut Level Aux 22 Ignition Cut VAR_2021 0.1%
Ignition Advance Angle 2 Ignition Angle VAR_3001 0.1%
Auxiliary O/P 1 Duty Cycle Aux 6 Fuel Inj 1 PW VAR_2005 0.1%
Auxiliary O/P 2 Duty Cycle Aux 7 Fuel Inj 2 PW VAR_2006 0.1%
Auxiliary O/P 3 Duty Cycle Aux 8 Fuel Inj 3 PW VAR_2007 0.1%
Auxiliary O/P 4 Duty Cycle Aux 9 Fuel Inj 4 PW VAR_2008 0.1%
Auxiliary O/P 5 Duty Cycle Aux 10 Fuel Inj 5 PW VAR_2009 0.1%
Auxiliary O/P 6 Duty Cycle Aux 11 Fuel Inj 6 PW VAR_2010 0.1%
Auxiliary O/P 7 Duty Cycle Aux 12 Fuel Inj 7 PW VAR_2011 0.1%
Auxiliary O/P 8 Duty Cycle Aux 13 Fuel Inj 8 PW VAR_2012 0.1%
Fuel Actual Pulse Width Measured Time 1 Fuel Inj 1 PW on VAR_2500 0.1%
Fuel Effective Pulse Width Measured Time 2 Fuel Inj 2 PW on VAR_2501 0.1%
Fuel Injector Duty Cycle Measured Time 3 Fuel Inj 3 PW on VAR_2502 0.1%
Gear Aux 25 Nitrous VAR_2024 Raw Value
Sync Position Aux 17 Fuel Inj 4 Cut VAR_2016 0.1%
Fuel Comp 1 Aux 30 Fuel Aux Temp Comp VAR_2029 0.1%
Fuel Comp 2 Aux 31 Fuel Aux Volt Comp VAR_2030 0.1%


MoTeC M400

The MoTeC M600 SERIAL ECU outputs a 175 byte sequence of data at 19.2kbaud. This is the standard MoTeC M800 Set 3 data protocol. From this data, the following channels are extracted.

ECU Name Race Technology message Race Technology Default name Race Technology VAR number Resolution
RPM Engine Speed RPM VAR_0010 25RPM
Throttle Position Aux 1 Throttle Position VAR_2000 0.1%
Manifold Pressure Pressure 5 Boost Pressure VAR_3504 0.1kPa
Air Temperature Temperature 1 Temperature 1 VAR_1000 0.1C
Engine Temperature Temperature 8 Water Temperature VAR_1007 0.1C
Lambda 1 Misc 1 Lambda 1 VAR_4000 0.1 Lambda
Lambda 2 Misc 2 Lambda 2 VAR_4001 0.1 Lambda
Exhaust Manifold Pressure Pressure 1 Ambient Air Pressure VAR_3500 0.1kPa
MASS Air Flow Aux 15 Fuel Inj 2 cut VAR_2014 0.1%
Fuel Temperature Temperature 25 Aux 1 VAR_1024 0.1C
Fuel Pressure Pressure 3 Fuel Pressure VAR_3502 0.1kPa
Oil Temperature Temperature 9 Oil Temperature VAR_1008 0.1C
Oil Pressure Pressure 2 Oil Pressure VAR_3501 0.1kPa
Gear Voltage Analogue input 1 Analog 1 VAR_0200 0.01 V
Knock Voltage Analogue input 2 Analog 2 VAR_0201 0.01 V
Gear Shift Force Aux 19 Fuel Inj 6 cut VAR_2018 0.1%
Exhaust Temperature 1 Temperature 17 Exhaust 1 Temp VAR_1016 0.1C
Exhaust Temperature 2 Temperature 18 Exhaust 1 Temp VAR_1017 0.1C
User Channel 1 Aux 20 Fuel Inj 7 Cut VAR_2019 0.1%
Launch RPM Aux 18 Fuel Inj 5 Cut VAR_2017 0.1%
Lambda 1 Short Term Trim Aux 2 Lambda 1 Short Trim VAR_2001 0.1%
Lambda 2 Short Term Trim Aux 3 Lambda 2 Short Trim VAR_2002 0.1%
Lambda 1 Long Term Trim Aux 4 Lambda 1 Long Trim VAR_2003 0.1%
Lambda 2 Long Term Trim Aux 5 Lambda 2 Long Trim VAR_2004 0.1%
Fuel Cut Level Aux 14 Fuel Inj 1 Cut VAR_2013 0.1%
Ignition Cut Level Aux 22 Ignition Cut VAR_2021 0.1%
Ignition Advance Angle 2 Ignition Angle VAR_3001 0.1%
Auxiliary O/P 1 Duty Cycle Aux 6 Fuel Inj 1 PW VAR_2005 0.1%
Auxiliary O/P 2 Duty Cycle Aux 7 Fuel Inj 2 PW VAR_2006 0.1%
Auxiliary O/P 3 Duty Cycle Aux 8 Fuel Inj 3 PW VAR_2007 0.1%
Auxiliary O/P 4 Duty Cycle Aux 9 Fuel Inj 4 PW VAR_2008 0.1%
Auxiliary O/P 5 Duty Cycle Aux 10 Fuel Inj 5 PW VAR_2009 0.1%
Auxiliary O/P 6 Duty Cycle Aux 11 Fuel Inj 6 PW VAR_2010 0.1%
Auxiliary O/P 7 Duty Cycle Aux 12 Fuel Inj 7 PW VAR_2011 0.1%
Auxiliary O/P 8 Duty Cycle Aux 13 Fuel Inj 8 PW VAR_2012 0.1%
Fuel Actual Pulse Width Measured Time 1 Fuel Inj 1 PW on VAR_2500 0.1%
Fuel Effective Pulse Width Measured Time 2 Fuel Inj 2 PW on VAR_2501 0.1%
Fuel Injector Duty Cycle Measured Time 3 Fuel Inj 3 PW on VAR_2502 0.1%
Gear Aux 25 Nitrous VAR_2024 Raw Value
Sync Position Aux 17 Fuel Inj 4 Cut VAR_2016 0.1%
Fuel Comp 1 Aux 30 Fuel Aux Temp Comp VAR_2029 0.1%
Fuel Comp 2 Aux 31 Fuel Aux Volt Comp VAR_2030 0.1%


MoTeC M600

The MoTeC M600 SERIAL ECU outputs a 175 byte sequence of data at 19.2kbaud. This is the standard MoTeC M800 Set 3 data protocol. From this data, the following channels are extracted.

ECU Name Race Technology message Race Technology Default name Race Technology VAR number Resolution
RPM Engine Speed RPM VAR_0010 25RPM
Throttle Position Aux 1 Throttle Position VAR_2000 0.1%
Manifold Pressure Pressure 5 Boost Pressure VAR_3504 0.1kPa
Air Temperature Temperature 1 Temperature 1 VAR_1000 0.1C
Engine Temperature Temperature 8 Water Temperature VAR_1007 0.1C
Lambda 1 Misc 1 Lambda 1 VAR_4000 0.1 Lambda
Lambda 2 Misc 2 Lambda 2 VAR_4001 0.1 Lambda
Exhaust Manifold Pressure Pressure 1 Ambient Air Pressure VAR_3500 0.1kPa
MASS Air Flow Aux 15 Fuel Inj 2 cut VAR_2014 0.1%
Fuel Temperature Temperature 25 Aux 1 VAR_1024 0.1C
Fuel Pressure Pressure 3 Fuel Pressure VAR_3502 0.1kPa
Oil Temperature Temperature 9 Oil Temperature VAR_1008 0.1C
Oil Pressure Pressure 2 Oil Pressure VAR_3501 0.1kPa
Gear Voltage Analogue input 1 Analog 1 VAR_0200 0.01 V
Knock Voltage Analogue input 2 Analog 2 VAR_0201 0.01 V
Gear Shift Force Aux 19 Fuel Inj 6 cut VAR_2018 0.1%
Exhaust Temperature 1 Temperature 17 Exhaust 1 Temp VAR_1016 0.1C
Exhaust Temperature 2 Temperature 18 Exhaust 1 Temp VAR_1017 0.1C
User Channel 1 Aux 20 Fuel Inj 7 Cut VAR_2019 0.1%
Launch RPM Aux 18 Fuel Inj 5 Cut VAR_2017 0.1%
Lambda 1 Short Term Trim Aux 2 Lambda 1 Short Trim VAR_2001 0.1%
Lambda 2 Short Term Trim Aux 3 Lambda 2 Short Trim VAR_2002 0.1%
Lambda 1 Long Term Trim Aux 4 Lambda 1 Long Trim VAR_2003 0.1%
Lambda 2 Long Term Trim Aux 5 Lambda 2 Long Trim VAR_2004 0.1%
Fuel Cut Level Aux 14 Fuel Inj 1 Cut VAR_2013 0.1%
Ignition Cut Level Aux 22 Ignition Cut VAR_2021 0.1%
Ignition Advance Angle 2 Ignition Angle VAR_3001 0.1%
Auxiliary O/P 1 Duty Cycle Aux 6 Fuel Inj 1 PW VAR_2005 0.1%
Auxiliary O/P 2 Duty Cycle Aux 7 Fuel Inj 2 PW VAR_2006 0.1%
Auxiliary O/P 3 Duty Cycle Aux 8 Fuel Inj 3 PW VAR_2007 0.1%
Auxiliary O/P 4 Duty Cycle Aux 9 Fuel Inj 4 PW VAR_2008 0.1%
Auxiliary O/P 5 Duty Cycle Aux 10 Fuel Inj 5 PW VAR_2009 0.1%
Auxiliary O/P 6 Duty Cycle Aux 11 Fuel Inj 6 PW VAR_2010 0.1%
Auxiliary O/P 7 Duty Cycle Aux 12 Fuel Inj 7 PW VAR_2011 0.1%
Auxiliary O/P 8 Duty Cycle Aux 13 Fuel Inj 8 PW VAR_2012 0.1%
Fuel Actual Pulse Width Measured Time 1 Fuel Inj 1 PW on VAR_2500 0.1%
Fuel Effective Pulse Width Measured Time 2 Fuel Inj 2 PW on VAR_2501 0.1%
Fuel Injector Duty Cycle Measured Time 3 Fuel Inj 3 PW on VAR_2502 0.1%
Gear Aux 25 Nitrous VAR_2024 Raw Value
Sync Position Aux 17 Fuel Inj 4 Cut VAR_2016 0.1%
Fuel Comp 1 Aux 30 Fuel Aux Temp Comp VAR_2029 0.1%
Fuel Comp 2 Aux 31 Fuel Aux Volt Comp VAR_2030 0.1%


MoTeC M48

The MoTec M4 ECU outputs an 84 byte sequence of data at 9.6kbaud. This is the standard MoTeC M4 Set 5 data protocol. The ECU must be configured to output data set 5 at 9600 baud. From this data, the following channels are extracted.

ECU Name Race Technology message Race Technology Default name Race Technology VAR number Resolution
RPM Engine Speed RPM VAR_0010 25RPM
Throttle Position Aux 1 Throttle Position VAR_2000 0.1%
Manifold Pressure Pressure 5 Boost Pressure VAR_3504 0.1kPa
Air Temperature Temperature 1 Temperature 1 VAR_1000 0.1C
Engine Temperature Temperature 8 Water Temperature VAR_1007 0.1C
Lambda 1 Misc 1 Lambda 1 VAR_4000 0.1 Lambda
Aux Temperature Temperature 25 Aux VAR_1024 0.1C
Aux Volt Analogue input 1 Analog 1 VAR_0200 0.01 V
Battery Voltage Misc 3 Battery Voltage VAR_4002 0.01 V
ECU Temperature Temperature 16 ECU Temperature VAR_1015 0.1C
Barometric Air Pressure Pressure 1 Ambient Air Pressure VAR_3500 0.1kPa
Digital Input speed 1 Aux 26 Auxiliary 1 VAR_2025 0.1kph
Digital Input speed 2 Aux 27 Auxiliary 2 VAR_2026 0.1kph
Ground Speed Aux 28 Auxiliary 3 VAR_2027 0.1kph
Drive Speed Misc 4 Speed From ECU VAR_4003 0.1kph
Slip Measured Time 1 Fuel Inj 1 PW on VAR_2500 0.1%
Gear Aux 25 Nitrous VAR_2024 Raw Value
Load Point Aux 29 Auxiliary 4 VAR_2028 0.1%
Efficiency Point Aux 15 Fuel Inj 2 Cut VAR_2014 0.1%
Efficiency 2 Point Aux 16 Fuel Inj 3 Cut VAR_2015 0.1%
Fuel Used Aux 17 Fuel Inj 4 Cut VAR_2016 0.1%
Auxiliary O/P 1 Duty Cycle Aux 6 Fuel Inj 1 PW VAR_2005 0.1%
Auxiliary O/P 2 Duty Cycle Aux 7 Fuel Inj 2 PW VAR_2006 0.1%
Auxiliary O/P 3 Duty Cycle Aux 8 Fuel Inj 3 PW VAR_2007 0.1%
Auxiliary O/P 4 Duty Cycle Aux 9 Fuel Inj 4 PW VAR_2008 0.1%
Lambda Short Term Trim Aux 2 Lambda 1 Short Trim VAR_2001 0.1%
Lambda Long Term Trim Aux 4 Lambda 1 Long Trim VAR_2003 0.1%
Fuel Actual Pulse Width Measured Time 2 Fuel Inj 2 PW on VAR_2501 s
Fuel Efficiency Measured Time 3 Fuel Inj 3 PW on VAR_2502 s
Fuel Injector Duty Cycle Measured Time 4 Fuel Inj 4 PW on VAR_2503 s
Fuel Acceleration Measured Time 5 Fuel Inj 5 PW on VAR_2504 s
Ignition Cut Level Aux 22 Ignition Cut VAR_2021 0.1%
Fuel Cut Level Aux 14 Fuel Inj 1 Cut VAR_2013 0.1%
Injection Angle Angle 1 Throttle Angle VAR_3000 0.1o
Sync Position Aux 18 Fuel Inj 5 Cut VAR_2017 0.1%
Fuel Temp Comp Aux 30 Fuel Aux Temp Comp VAR_2029 0.1%
Fuel Volt Comp Aux 31 Fuel Aux Volt Comp VAR_2030 0.1%


MoTeC M84

For information on how to connect to the MoTeC M84, please click Here.

ECU Name Race Technology message Race Technology Default name Race Technology VAR number Resolution
RPM Engine Speed RPM VAR_0010 25RPM
Throttle Position Aux 1 Throttle Position VAR_2000 0.1%
Manifold Pressure Pressure 5 Boost Pressure VAR_3504 0.1kPa
Air Temperature Temperature 1 Temperature 1 VAR_1000 0.1C
Engine Temperature Temperature 8 Water Temperature VAR_1007 0.1C
Lambda 1 Misc 1 Lambda 1 VAR_4000 0.1 Lambda
Aux Temperature Temperature 25 Aux VAR_1024 0.1C
Aux Volt Analogue input 1 Analog 1 VAR_0200 0.01 V
Battery Voltage Misc 3 Battery Voltage VAR_4002 0.01 V
ECU Temperature Temperature 16 ECU Temperature VAR_1015 0.1C
Barometric Air Pressure Pressure 1 Ambient Air Pressure VAR_3500 0.1kPa
Digital Input speed 1 Aux 26 Auxiliary 1 VAR_2025 0.1kph
Digital Input speed 2 Aux 27 Auxiliary 2 VAR_2026 0.1kph
Ground Speed Aux 28 Auxiliary 3 VAR_2027 0.1kph
Drive Speed Misc 4 Speed From ECU VAR_4003 0.1kph
Slip Measured Time 1 Fuel Inj 1 PW on VAR_2500 0.1%
Gear Aux 25 Nitrous VAR_2024 Raw Value
Load Point Aux 29 Auxiliary 4 VAR_2028 0.1%
Efficiency Point Aux 15 Fuel Inj 2 Cut VAR_2014 0.1%
Efficiency 2 Point Aux 16 Fuel Inj 3 Cut VAR_2015 0.1%
Fuel Used Aux 17 Fuel Inj 4 Cut VAR_2016 0.1%
Auxiliary O/P 1 Duty Cycle Aux 6 Fuel Inj 1 PW VAR_2005 0.1%
Auxiliary O/P 2 Duty Cycle Aux 7 Fuel Inj 2 PW VAR_2006 0.1%
Auxiliary O/P 3 Duty Cycle Aux 8 Fuel Inj 3 PW VAR_2007 0.1%
Auxiliary O/P 4 Duty Cycle Aux 9 Fuel Inj 4 PW VAR_2008 0.1%
Lambda Short Term Trim Aux 2 Lambda 1 Short Trim VAR_2001 0.1%
Lambda Long Term Trim Aux 4 Lambda 1 Long Trim VAR_2003 0.1%
Fuel Actual Pulse Width Measured Time 2 Fuel Inj 2 PW on VAR_2501 s
Fuel Efficiency Measured Time 3 Fuel Inj 3 PW on VAR_2502 s
Fuel Injector Duty Cycle Measured Time 4 Fuel Inj 4 PW on VAR_2503 s
Fuel Acceleration Measured Time 5 Fuel Inj 5 PW on VAR_2504 s
Ignition Cut Level Aux 22 Ignition Cut VAR_2021 0.1%
Fuel Cut Level Aux 14 Fuel Inj 1 Cut VAR_2013 0.1%
Injection Angle Angle 1 Throttle Angle VAR_3000 0.1o
Sync Position Aux 18 Fuel Inj 5 Cut VAR_2017 0.1%
Fuel Temp Comp Aux 30 Fuel Aux Temp Comp VAR_2029 0.1%
Fuel Volt Comp Aux 31 Fuel Aux Volt Comp VAR_2030 0.1%
Page last modified on January 25, 2016, at 07:48 AM