R34 Nissan Skyline ECU pin outs
101 102 103 104
105 106 107 108
109 110 111 112
113 114 115 116
117 118 119 120
121 122 123 124
Terminal number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
1
5
6
2
7
3
8
9
4
10
11 12 13 14
15 16 17 18 19
Description
Ign signal (power transistor) Cyl #1
Ign signal (power transistor) Cyl #5
Ign signal (power transistor) Cyl #3
ECM & IGN coil relay control signal
Tachometer drive signal
Ign signal (power transistor) Cyl #6
Ign signal (power transistor) Cyl #2
Ign signal (power transistor) Cyl #4
AAC valve control signal
Fuel pump relay control signal
Air conditioner control signal
-
23
64 65 66
20 21 22
44 45 46 47
67
24 25
26 27 28 29 30
48 49 50 51 52 53 68 69 70 71
31 32
72
33 34 35 36 37
54 55 56 57 58 73 74 75 76
77 78 79 80
40 41 42 43
38 39
59 60 61 62 63
Terminal number
63
64
65
66
67
*68
69
70
*71
72
73
74
75 (RX)
76 (TX)
77
78
Description
Knock sensor signal 2
A/T mode switch signal (POWER) [RB20DE (L/B) A/T]
DB (data bush 1 signal [RB25DET A/T]
DB (data bush 3 signal [RB25DET A/T]
Control unit power supply
O/D Off indicator lamp
DB (data bush 2 signal [RB25DET A/T]
A/T mode switch signal (SNOW) [RB20DE (L/B) A/T]
Stop lamp switch signal
Control unit power
Receive (Data input to control unit)
Transmit (Data output to control unit)
Auxiliary electric fan relay control signal [RB25DE, RB25DET]
ECM TCM, TCS/ABS integrated control signal ] Multiple communication] [RB25DE A/T, RB25DET
Battery power supply
-
Malfunction indicator lamp
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
-
*38
39
*40
*41
Ignition switch (START) signal
Air conditioner switch signal
Check (Diagnosis start)
Throttle position sensor signal
Ignition switch (IGN) signal
Control unit ground
Power steering oil pressure switch signal
SB (select bit) 1 signal [RB25DET A/T]
Vehicle speed sensor signal (Vehicle speed sensor 2)
Headlamp switch signal;
Ignition power supply
Control unit ground
Idle position switch signal
"1" position switch signal
"2" position switch signal
Throttle opening signal
[RB25DE-4WD M/T, RB25DE A/T, RB25DET]
"0" position switch signal
Neutral signal (Park/neutral position signal)
"R" position switch signal
Full switch signal
100
101
102
103
42
-
104
43
44
Sensor ground
Crankshaft position sensor 120˚ (REF) signal
105
*106
45
Crankshaft position sensor 120˚ (REF) signal
107
46
Crankshaft position sensor 1˚ (POS) signal
Ring gear crankshaft position sensor signal [RB20DE (L/B)]
Turbo pressure sensor signal [RB25DET]
Power supply for throttle position sensor, refrigerant pressure
sensor, and turbo pressure sensor
Rear defogger switch signal
Heated oxygen sensor signal
Injector No. 1 cylinder drive signal
Injector No. 3 cylinder drive signal
Variable air intake control solenoid valve control signal
[RB25DE (L/B), RB25DE]
Turbo pressure control solenoid valve controls
[RB25DET]
Injector No. 2 cylinder drive signal
Line pressure solenoid valve control signal
Air jet swirl control s solenoid valve control signal [ RB20DE (L/
B)]
Canister purge control valve control signal
Control unit power supply (Counter-electromotive current
feedback circuit)
18
19
20
21
22 (CHK)
23
24 (IGN)
25
26
27
28
29
30
31
32
*33
*34
*35
36
37
47
48
49
50
51
52
53
54
55
56
57
*58
59
*60
61
62
108
109
110
111
112
-
Injector No. 2 cylinder drive signal
Fuel pump terminal voltage control output signal [RB25DET]
Injector No. 6 cylinder drive signal
Line pressure solenoid valve control signal (Dropping resistor
Throttle motor sensor signal [RB25DET]
*113
circuit)
SB (select bit) 2 signal [RB25DET A/T]
114
Injector No. 4 cylinder drive signal
Motor throttle switch signal [RB25DET]
*115
Overrun clutch solenoid valve control signal
Mass airflow sensor signal
116
Injector ground
Mass airflow sensor ground
117
Variable timing control solenoid valve control signal
Engine coolant temperature sensor signal
118
Heated oxygen sensor heater control signal
Refrigerant pressure sensor signal
*119
Power indicator lamp
Output shaft rotation sensor signal (Vehicle speed sensor 1)
*120
Lockup solenoid valve control signal
Turbine sensor signal [RB25DET A/T]
*121
Shift solenoid valve A control signal
Oil temperature sensor signal
*122
Shift solenoid valve B control signal
123
Knock sensor signal 1
124
Injector ground
Symbols in ( ) next to terminal numbers indicate the data ling connector terminals. Items marked with * are available on RB20DE