MITSUBISHI EVO 4-8 PLUGIN ECU USER MANUAL
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© EMTRON AUSTRALIA PTY LTD MAY 2018
8
3.4 Ethanol Content Sensor wiring
An Ethanol Content sensor can be wired into the ECU using the Expansion port. The
following channel assignment is recommended for the GM sensor:
GM Sensor
Pinout
Expansion Port
Description
Pin 1
Pin 9
.
14V Protected
Supply, 8V or 14V
Pin 2
Pin 10
.
ECU Ground
Ground
Pin 3
Pin 6
.
DI 6
Output. Temperature and
Ethanol Content
NOTE:
▪
DO NOT
connect the Ethanol Content sensor ground to the “
Analog Sensor 0V
Reference”
. Use the ECU Ground from Pin 10 in the Expansion port.
▪
The Ethanol sensor produces a frequency based output. Suitable ECU channels are DI 1-
8.
Description
Calibration
Ethanol Content (%)
50Hz = 0% Ethanol
150Hz = 100% Ethanol
Fuel Temperature
1ms = -40 DegC
5ms = 125 DegC
To config the ECU for this sensor, select the Ethanol Sensor Input Source to DI6. The ECU will
automatically decode the Ethanol Content and Fuel Temperature.
