MoteC M84 ECU
Compatibility
ECU configuration
- ECU must be running Version 1.10M2 Release - 16th December 2011 or later
Connection
The MoTeC M84 transmits data via RS232 (serial) & CAN. If using Race Technology's ECU Serial Interface you can simply connect this directly to the ECU connector:
- Connect B17 MOTEC Tx to Race Technology Rx
- Connect B14 MOTEC 0v comms to Race Technology Gnd
Connections shown below will allow direct “plug and play” connection to the Race Technology serial interface.
If using a CAN Adaptor, you will need to connect the CAN High & CAN Low on the CAN ADAPTOR to the ECU:
- CAN High - B23
- CAN Low - B24
Channel Listing
RS232 (Serial):
| ECU Name
| Race Technology message
| Resolution
|
| Engine speed
| RPM (Engine RPM)
| 25 RPM
|
| Throttle position
| Throttle position (aux 1)
| 0.1%
|
| Ambient temp
| Ambient air temp (temperature 1)
| 0.1 oC
|
| Coolant temp
| Coolant temp (temperature 8)
| 0.1 oC
|
| Auxiliary temp
| temperature 25 (temperature 25)
| 0.1 oC
|
| ECU Temp
| ECU temp (temperature 16)
| 0.1 oC
|
| Lambda 1 short term trim
| Lambda 1 short trim (aux 2)
| 0.1%
|
| Lambda 1 long term trim
| Lambda 1 long trim (aux 4)
| 0.1%
|
| Ignition cut level
| Ignition cut (aux 22)
| 0.1%
|
| Fuel cut level
| Fuel inj 1 cut (aux 14)
| 0.1%
|
| Fuel Aux Temp compensation
| Fuel aux temp comp (aux 30)
| 0.1%
|
| Fuel Aux Volt compensation
| Fuel aux volt comp (aux 31)
| 0.1%
|
| Fuel injector duty cycle
| Fuel inj 1 PW (aux 6)
| 0.1%
|
CAN:
| ECU Channel Name
| Race Technology message
| Resolution of Data
|
| Ground_Speed
| Speed from ECU (misc 4)
| 1kph
|
| RPM
| RPM (Engine RPM)
| 25 RPM
|
| Gear
| Auxiliary 1 (aux 26)
| 1
|
| Efficiency
| Auxiliary 2 (aux 27)
| -
|
| Throttle
| Throttle position (aux 1)
| 0.1%
|
| Engine_temp
| Coolant temp (temperature 8)
| 0.1 oC
|
| Air_temp
| Ambient air temp (temperature 1)
| 0.1 oC
|
| Oil_Pressure
| Oil pressure (pressure 2)
| 1mB
|
| Fuel_Pressure
| Fuel pressure (pressure 3)
| 1mB
|
| User_1
| Coil 1 PW (measured time 9)
| -
|
| User_2
| Coil 2 PW (measured time 10)
| -
|
| Status_3
| Coil 3 PW (measured time 11)
| -
|
Not all channels listed in the table above may be available from your ECU. The available data channels vary with the vehicle model, year of manufacture & connected sensors.
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