Power to Win



Engine Control

X2 ECU

Connector pin assignment and functions.

Connector 1

Pin Description Comments
1 .. Coil 1 See notes
2 .. Coil 2
3 .. Coil 3
4 .. Injector 1 Inj 4 BPD
5 .. Injector 2 Inj 3 BPD
6 .. Injector 3 Inj 2 BPD
7 .. Injector 4 Inj 1 BPD
8 .. Valve 1 Boost Control or Vanos
9 .. Fuel Pump
10.. Coil 4
11 .. Valve 2 Idle Control or Nitrous
12 .. Lambda Heater 8 amps max.
13 .. Rearwheel
14 .. DC Motor 1
15 .. Switch 2 Map Select
16 .. Shift Cut
17 .. 12 Volt In
18 .. GND
19 .. Clutch SW
20 .. Pit Switch
21 .. GND
22 .. Beacon Nitrous Enable
23 .. Air Shift Out VTEC
24 .. Shift Lamp Optional Fan Control
25 .. Air Shift SW
26 .. GND
27 .. GND
28 .. DC Motor 2
29 .. Switch 1 Engine Kill
30 .. Oil Temp Spare 2
31 .. Lambda 2
32 .. Knock
33 .. TXD GSXR 1300 only
34 .. Frontwheel

Connector 2

Pin Description Comments
1 .. GND
2 .. GND
3 .. Sync
4 .. Oil Pressure Gyro
5 .. Lambda
6 .. 12 Volt Out
7 .. Stepper 1-
8 .. CAN High
9 .. Crank
10.. GND
11 .. EBP Pedal Position
12 .. Stepper 2-
13 .. Stepper 1+
14 .. VREF
15 .. TPS
16 .. Air Temp
17 .. Water Temp
18 .. Mixture SW
19 .. Stepper 2+
20 .. GND
21 .. Tach Out
22 .. TXD GSXR 1000
23 .. Gear Position Boost Switch
24 .. Airbox Pressure
25 .. Fuel Pressure
26 .. CAN Low

Notes