Nissan WGC34 Stagea RB25DET Automatic 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:

WGC34 RB25DET Automtic ECU Pinout reference diagram

Pinout Table

Pin Wire Description
101 W Fuel Injector # 1
102
103 W/R Fuel Injector # 3
104 L/Y A/C ?
105 W/G Fuel Injector # 2
106
107
108 L Boost Solenoid
109 W/G ECU Relay
110 Y Fuel Injector # 5
111 O F3-44
112 W/Pu Fuel Injector # 6
113
114 W/B Fuel Injector # 4
115
116 B/R A/T Control Box
117 Lg/R VTC Solenoid
118 Br/Y Oxygen Sensor
119
120
121
122
123
124 B/R A/T Control Box
1 B/R Ignition Signal # 1
2 R/W Ignition Signal # 5
3 R Ignition Signal # 3
4 O ECU Relay
5 W/B Tachometer Signal
6
7 R/G Ignition Signal # 6
8 R/Y Ignition Signal # 2
9 R/L Ignition Signal # 4
10
11 G/B IAC Valve
12
13 B/P Fuel Pump Relay? F3-17
14 G/R black connector
15
16
17 Gy/L F3-5
18
19
20 GY/R F3-4 Start Signal ?
21 P F3-19 A/C Signal
22 Y/B F3-2 Neutral Position Switch
23 R/L Throttle Position Sensor (ground?)
24 W/L Injector Power F3-33
25 B Ground
26
27
28
29 Y/R F3-39 Vehicle Speed Sensor
30 R/L F3-12 TPS (Secondary)
31 G/O F3-8 TCS Signal
32 B Ground
33 G Cooling Fan Relay (black w/ knock)
34
35
36
37 L/B TPS
38
39 Y/Pu Power Steering Oil Pressure Switch
40
41
42
43 Br/W Ground
44 G CAS/ Ground
45 G CAS/ Ground
46 R CAS
47 R Boost Pressure Sensor
48 L/B TPS (Ground)?
49 B/W Ignition Switch?
50 W Oxygen Sensor?
51 L Oxygen Sensor?
52
53 R A/T Control Box
54 O/L MAFS Signal
55 W/L MAFS Ground
56 Pu Engine Coolant Tempereature Sensor
57 G/Y to black connector
58
59
60
61
62 W Knock Sensor
63 W Knock Sensor
64
65
66
67 B/W ECU Power
68
69
70
71 P/L F3-11
72 B/W ECU Power
73
74
75 Br/Y A/T Control Box, F3-1
76 Y Data Link Conn
77
78 G/O to grey connector
79 R/B A/T Control Box, cut wire (TPS)
80 W/B Power Supply (Back-up)

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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