S13 SR20DET ECU Pinout

nissan_sr20det_1991_1995

1 Red/White Coil Pack 1 Output, connect to pin 1 of ignitor chip
2 Red/Yellow Coil Pack 2 Output, connect to pin 2 of ignitor chip
3 Yellow/Red Tachometer signal output, connect to tachometer
4 Red/Black ECCS Relay Ground, connect to ground pin of ECCS relay
5 ? Injector Pressure TI Monitor
6 Black Ignition Signal Ground, connect to ground
7 Green/Black CONSULT RX (Receive)
8 Red/White Coil Pack 3 Output, connect to pin 4 of ignitor chip
9 Red/White Coil Pack 4 Output, connect to pin 5 of ignitor chip
10 - 
11 -
12 Pink/Black A/T gear select
13 Black Ignition Signal Ground, connect to ground
14 Green/White CONSULT CLK (Clock)
15 Green CONSULT TX (Transmit)
16 White MAFS signal, connect to signal pin of MAFS
17 Black MAFS ground, connect to ground pin of MAFS
18 Blue/Brown Water Temp Sensor input, connect to positive terminal of 2-pin coolant temperature sensor
19 White O2 Sensor signal, connect to middle signal pin of O2 sensor
20 White TPS signal, connect to signal pin of TPS
21 Black Sensor ground, connect to ground
22 White CAS 180deg signal, connect to pin 1 of CAS
23 Green/Red CONSULT CHK (Check)
24 Red Check Engine Lamp (red), connect to ground pin of light bulb
25 Orange Exhaust temp warning lamp, connect to ground pin of light bulb 
26 Blue/Yellow Exhaust temp sensor
27 White Detonation/Knock Sensor signal, connect to knock sensor
28 ? TPS kickdown switch for A/T
29 Black Sensor ground, connect to ground
30 White CAS 180deg signal, connect to pin 1 of CAS
31 Black CAS 1deg signal, connect to pin 2 of CAS
32 Yellow/Green Speed sensor input, connect to S13 speedometer
33 - 
34 Orange Start enrichment, connect to start signal from ignition switch
35 Green/Orange A/T neutral switch
36 Black/Red Switch ignition power ON/ST, connect to ignition switch
37 Light Green/Red TPS power, connect to pin 3 of TPS
38 Black/White ECCS power, connect to power output pin of ECCS relay
39 Black ECCS ground, connect to ground
40 Red/Black CAS 1 deg signal, connect to pin 2 of CAS
41 Blue/Green A/C switch
42 ? A/T signal DT1 (auto trans gear select)
43 Purple/White Power steering pressure switch
44 ? A/T signal DT1 (auto trans gear select)
45 Blue/White Ambient air temp sensor signal
46 Red ECCS backup power, connect to constant power
47 Black/White ECCS power, connect to power output pin of ECCS relay
48 Black ECCS ground, connect to ground
101 White/Black Injector 1, connect to pin 2 of #1 injector
102 Orange/Black EAI (Exhaust Air Injection) control solenoid 
103 Green/Black Injector 3, connect to pin 2 of #3 injector
104 Black/Pink Fuel pump relay, connect to ground pin of fuel pump relay
105 Red/White Fuel pressure control module
106 Green/Black A/C compressor power
107 Black Injector ground, connect to ground
108 Black Injector ground, connect to ground
109 Red Reverse electrical flow return circuit (alternator fail input), connect to constant power
110 Yellow/Black Injector 2, connect to pin 2 of #2 injector
111 Orange/Black Turbo boost pressure control solenoid
112 Blue/Black Injector 4, connect to pin 2 of #4 injector
113 Light Blue AAC valve signal (Auxiliary Air Control), connect to pin 3 of AAC/FICD subharness
114 -
115 -
116 Black Injector ground, connect to ground

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