Power to Win



Engine Control

X1s ECU

Connector pin assignment and functions.

Connector 1

Pin Description Comments
1 .. GND
2 .. GND
3 .. Sync - Hall effect
4 .. Oil Pressure
5 .. CR1
6 .. Sync Out (not used)
7 .. CR2
8 .. VS+
9 .. Crank - Hall effect
10.. GND
11 .. Mixture SW
12 .. VS-
13 .. IP+
14 .. VREF
15 .. TPS
16 .. Air Temp
17 .. Water Temp
18 .. Exhaust pressure
19 .. VH-
20 .. GND
21 .. Tach Out
22 .. TXD Current Loop
23 .. Gear Position Boost Switch
24 .. Airbox Pressure
25 .. Fuel Pressure
26 .. Ignition Coil 1

Connector 2

Pin Description Comments
1 .. Injector 5 See notes
2 .. Injector 6
3 .. Injector 7
4 .. Injector 4
5 .. Injector 3
6 .. Injector 2
7 .. Injector 1
8 .. Valve 1 Wastegate PWM
9 .. Fuel Pump
10.. Injector 8
11 .. NOS 1
12 .. Lambda Heater 3 amps max.
13 .. Crank - Mag pickup Race version only
14 .. NOS 3 Fan Output
15 .. Switch 2 Map Select
16 .. DC Motor 1
17 .. 12 Volt In
18 .. GND
19 .. Pit Switch NOS Enable
20 .. Shift SW
21 .. GND
22 .. Beacon Clutch SW
23 .. NOS 2
24 .. PWM IAC
25 .. Sync - Mag pickup Race version only
26 .. GND
27 .. GND
28 .. NOS 4
29 .. Switch 1 Engine Kill
30 .. Oil Temp
31 .. Lambda 2 NGK
32 .. RXD Current Loop
33 .. N/C
34 .. DC Motor 2

Notes