ENGINE MANUAL
IAE50R – AA
E1.01.05 – E
Issue date: 25.Jan.2018
Page: 19-6
Revision no: 9
19.1.4.2
ECU Pin Assignment
The table below gives information for installers how to connect ECU to sensor / actuators. It is
not allowed to use other diameters for electrical installation than minimum required by Austro
Engine.
Only Austro Engine qualified sensors and actuators are allowed to be used with ECU.
ECU
PIN
Description
Signal Type
Description
Shielding
Cable
Diameter
(Minimum)
A1
Injector 2
Low Side Switch
not used for IAE50R-AA
A2
Ins Drive 3 Low Side Switch
not used for IAE50R-AA
A3
MAP 1 Signal
Input Signal
Yes
AWG 20
A4
CAN A
High
only for diagnostic
Yes
AWG 20
A6
CAN A
Low
A5
MAP1, RCA &
Intake Air
Temp GND
GND
Sensor GND
No
AWG 20
A7
GND
GND
ECU GND
No
AWG 16
A8
GND
GND
ECU GND
No
AWG 16
A9
ECU Power
UBAT
ECU Supply
No
AWG18
A10
ECU Power
UBAT
ECU Supply
No
AWG18
A11
Ins Drive 1 Low Side Switch
Coolant Signal Out
No
AWG18
A12
Injector 1
Low Side Switch
Injector 1
No
AWG 20
B1
TX
Low Side Switch
2k2 Pull Up to
UBAT
Error Lamp Out
No
AWG 20
C5
RX
Serial Input incl.
Inverter
Communication
No
AWG 20
B2
Pickup 2 PWR
12V Sensor
Supply
Sensor Supply
Yes
AWG 20
B3
Pickup 1 PWR
12V Sensor
Supply
Sensor Supply
Yes
AWG 20
B4
Intake Air
Temp Signal
Input Signal
Sensor Signal
No
AWG 20
B5
Map 2 Signal
Input Signal
Sensor Signal
Yes
AWG 20
B6
Map 1 Power
5V Sensor
Supply
Sensor Supply
Yes
AWG 20
B7
Map 2 GND
GND
Sensor GND
Yes
AWG 20
B8
CAN B
High
not used for IAE50R-AA
B9
Pickup 2
Signal
Input Signal
Sensor Signal
Yes
AWG 20
B10
T3I
Digital Input 2k2
Pull Up to 5V
Inst5V
No
AWG 20
B11
Tacho Drive Low Side Switch
Engine speed Out
No
AWG 20
B12
Ins Drive 2
Low Side Switch
2k2 Pull Up to
UBAT
Fuel Consumption Out
No
AWG 18
C1
Ignition Coil
A (-)
Low Side Switch
Ignition
No
AWG 16
C2
Spare
Low Side Switch
not used for IAE50R-AA
C3
Map 2 PWR
5V Sensor
Supply
Sensor Supply
Yes
AWG 20
C4
Pickup 2 GND
GND
Sensor GND
Yes
AWG 20
