Nissan Skyline R32 RB26DETT ECU Pinouts

The following diagram and pinout reference should help you work out what does what. Handy if your making a field harness or installing a programmable ECU. I’ve numbered and colour coded the pins in figure 1 for easy matching against the pinout table below.

Figure 1:

RB26DETT ECU Pinout reference diagram

Pinout Table

PinWireDescription
101W/LInjector # 1 Control Signal
102
103W/RInjector # 3 Control Signal
104LGFuel Pump Terminal Voltage Control Output (FPCM) 1
105YInjector # 2 Control Signal
106G/WFuel Pump Terminal Voltage Control Output (FPCM) 2
107B/RInjector Ground
108B/RInjector Ground
109B/WInjector Power Supply (Counter Electromotive Reflex Circuit)
110W/GInjector # 5 Control Signal
111
112W/BInjector # 6 Control Signal
113
114W/LInjector # 4 Control Signal
115
116B/RInjector Ground
1L/OIgnition Signal # 1
2LIgnition Signal # 5
3L/RIgnition Signal # 3
4L/GAAC Valve
5
6BSub Electrical Fan Relay (Engine Temperature Switch)
7Y/RTachometer Signal Output
8
9L/GAir Conditioner Relay (AC Cut Signal)
10B/YIgnition Signal System Ground
11L/WIgnition Signal # 6
12L/BIgnition Signal # 2
13L/YIgnition Signal # 4
14
15
16OECU Relay
17Injection Pulse Signal (Ti Monitor)
18B/PFuel Pump Relay
19SBPower Steering Oil Pressure Switch
20B/YIgnition Signal System Ground
21Y/GReceive (Control Unit Data Reception) RX
22YTransmit (Data Sent From Control Unit) TX
23W/RDetonation Sensor (Cylinders 1-3)
24W/RDetonation Sensor (Cylinders 4-6)
25L/YWastegate Valve Control Solenoid Valve
26W/RAir Flow Meter Ground
27BAir Flow Meter Intake Air Quantity Signal (Rear)
28Y/GEngine Temperature Sensor Signal
29ClearExhaust Gas Sensor Signal (Front)
30BSensor Ground (tps, Coolant Temp.)
31Y/RClock (Synchronization Signal) CLK
32O/BMalfunction Indicator Lamp
33
34WAir Flow Meter Ground
35OAir Flow Meter Intake Air Quantity Signal (Front)
36SBIntake Air Temperature Sensor Signal
37Air Flow Meter
38WThrottle Sensor Signal Opening Output
39
40
41G/BCrank Angle Sensor (120 Degree Signal)
42G/YCrank Angle Sensor (1 Degree Signal)
43B/YIgnition Switch (START Signal)
44G/ONeutral Position Switch
45B/RIgnition Switch (IGN)
46LG/RAir Conditioner Switch Signal
47Y/PUCheck (Diagnosis Activation) CHK
48YThrottle Sensor Power Supply
49B/WECU Power
50BECU Ground
51G/BCrank Angle Sensor (120 Degree Signal)
52G/YCrank Angle Sensor (1 Degree Input)
53Y/GVehicle Speed Sensor
54LGThrottle Valve Switch (Idle Contact Point)
55ClearExhaust Gas Sensor Signal (Rear)
56PUThrottle Sensor Output Signal
57G/RThrottle Valve Switch Power Supply
58W/BBattery Power Supply
59B/WECU Power
60BECU Ground

Links

Acknowledgements

The source for this information came from a spreadsheet I came across a while ago, I have checked the information here to the best of my ability against various sources on the internet. As a result I cannot guarantee that the information above is indisputable. The author of the original spreadsheet is unknown.

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