Motorsport Electronics ME221 and ME442
Note – This interface is only available using the built in Serial interfaces on the DASH2 PRO, DL1 Club, PRO and WP. It cannot be used with our ECU serial adaptor.
Connections
DASH2 PRO - Connection is to be made through the DB9 tuning port of the ECU, using the Race Technology supplied male to male gender changer, to RS232 [1] of the DASH2 PRO wiring harness
DL1 Club - Connection is to be made through a serial extension lead from the tuning port of the ECU to RS232 [2] of the Race Technology supplied DL1 breakout cable
DL1 PRO/WP - Connection is to be made through a serial extension lead from the tuning port of the ECU to RS232 [2] on the DL1 PRO/WP wiring harness.
Pinouts
DASH2 PRO RS232 [1]
Pin 2 – RS232 Tx
Pin 3 – RS232 Rx
Pin 5 – RS232 GND
DL1 Club/PRO/WP RS232 [2]
Pin 2 – RS232 Rx
Pin 3 – RS232 Tx
Pin 5 – RS232 GND
ME221 DB9
Pin 2 – RS232 Tx
Pin 3 – RS232 Rx
Pin 5 – RS232 GND
Configuration
ECU (ME221)
- No ECU Configuration required
Note – The ECU must be running firmware version 2.0-RC17 or later.
Race Technology
- Open the Race Technology DASH2 PRO or DL1 Club/Pro/WP configuration software
- Select the ECU interface sub-menu.
- Using the drop down list at the top of the window, scroll and select the ME221 option.
- Ensure that the correct serial port is selected for the application,
DASH2 PRO - Serial Port 1
DL1 Club/PRO/WP - Serial Port 2
- Use the check boxes at the right of the screen to enable the desired channels. Press Ok to confirm the selection.
- In the main menu of the configuration software, click the “Send Configuration” icon to upload the configuration to the DL1 or DASH2 PRO.
Channel Listing
| ECU Name
| RT Message
| Default Name
| VAR Number
| Resolution
|
| RPM
| Engine RPM
| RPM
| VAR_0010
| 1RPM
|
| Injector Duty
| Aux 6
| Fuel inj 1 PW
| VAR_2005
| 0.1%
|
| Manifold Pressure
| Pressure 5
| Boost Pressure
| VAR_3504
| 0.001Bar
|
| Throttle Position
| Aux 1
| Throttle Position
| VAR_2000
| 0.1%
|
| Primary Load
| Aux 26
| Auxiliary 1
| VAR_2025
| 0.1%
|
| Coolant Temperature
| Temperature 8
| Water Temperature
| VAR_1007
| 0.1°C
|
| Intake Air Temperature
| Temperature 1
| Temperature 1
| VAR_1000
| 0.1°C
|
| Battery Voltage
| Misc 3
| Battery Voltage
| VAR_4002
| 0.01V
|
| Ignition Angle
| Angle 2
| Ignition Angle
| VAR_3001
| 0.1°
|
| Base Pulse Width
| Measured time 1
| Fuel inj 1 PW on
| VAR_2500
| 1ms
|
| Lambda
| Misc 1
| Lambda 1
| VAR_4000
| 0.001Lambda
|
| Lambda Long Term Trim
| Aux 4
| Lambda 1 Long Trim
| VAR_2003
| 0.001Lambda
|
| Gear
| Aux 27
| Auxiliary 2
| VAR_2026
| #
|
| Calculated Vehicle Speed
| Aux 28
| Auxiliary 3
| VAR_2027
| 1km/h
|
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