MoTeC Snowmobile Plug-In ECU User Manual
Page 33

MoTeC Appendices
25
Note 2 – Calibration Tables
For the following pins the calibration table is available in the provided Base
Maps.
M400 Pin
Yamaha Pin
Function
AT1 B03 K02
Air Temperature
AT2
B04 K15
Engine Temperature
AT4 B06 K03
Throttle Ice Switch
AT5
B07 K08
Oil Pressure Switch
AV6
B20 K21
Oil Level Switch
Note 4 - Speed
The Snowmobile speed sensor is wired directly to the ECU. The supplied
Base Map includes a speed calibration . For more accurate speed
measurements, MoTeC recommends the use of a GPS system.
MoTeC's 5 Hz GPS-G1 (#41300) can be wired directly into the ECU's
RS232 receive port.
GPS wiring
M400 Pin
GPS Pin
Function
0V AUX
B15
1
Bat –
RS232‐RX B18
2
RS232 GPS Data
N/C
3
5V AUX
5V ENG
A09
A02
4
5 V