Power to Win



Engine Control

R4 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
5 .. Injector 2
6 .. Injector 3
7 .. Injector 4
8 .. Valve 1 Boost Control
9 .. Fuel Pump
10.. Coil 4
11 .. Valve 2 Idle Control
12 .. Lambda Heater 4 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 CAN gnd
29 .. Switch 1 Engine Kill
30 .. Oil Temp Spare 2
31 .. Lambda 2
32 .. Knock
33 .. Frontwheel
34 .. GND
35 .. GND
36 .. Sync
37 .. Oil Pressure Gyro
38 .. Lambda
39 .. 12 Volt Out
40 .. CAN High
41 .. Crank
42.. GND
43 .. EBP Pedal Position
44 .. VREF
45 .. TPS
46 .. Air Temp
47 .. Water Temp
48 .. Mixture SW
49 .. GND
50 .. Tach Out
51 .. TXD GSXR 1000
52 .. Gear Position Boost Switch
53 .. Airbox Pressure
54 .. Fuel Pressure
55 .. CAN Low

Notes