ECU Pinout Diagram - 90-94 Pulsar GTi-R SR20DET

Pin # Name Function Signal Type
2 Tachometer Signal Engine Speed Sensor Signal Speed
4 Main Relay (Electronic Concentrated Control System) 12V Switched Power
6 Power Ground (Electronic Concentrated Control System) Chassis Ground Ground
13 Power Ground (Electronic Concentrated Control System) Chassis Ground Ground
16 Mass Air Flow Sensor Mass Air Flow Sensor Signal Analog
17 Mass Air Flow Sensor Ground Chassis Ground Ground
18 Engine Coolant Temperature Sensor Engine Coolant Temperature Sensor Signal Analog
19 O2 Sensor Signal Oxygen Sensor Signal Analog
20 Throttle Position Sensor Throttle Position Sensor Signal Analog
21 Sensor Ground Chassis Ground Ground
26 Air Temperature Sensor Air Temperature Sensor Signal Analog
27 Knock Sensor Knock Sensor Signal Knock, Audio
29 Sensor Ground Chassis Ground Ground
32 Vehicle Speed Sensor Vehicle Speed Sensor Signal Speed
36 Ignition Switch 12V Switched Power
39 Power Ground (Electronic Concentrated Control System) Chassis Ground Ground
46 Power Supply (Aux) 12V Permanent Power
47 Power Supply (Engine Control Module) 12 Switched Power
48 Power Ground (Electronic Concentrated Control System) Chassis Ground Ground
101 Injector # 1 Engine Speed Sensor Signal Speed
103 Injector # 3 Engine Speed Sensor Signal Speed
107 Power Ground (Electronic Concentrated Control System) Chassis Ground Ground
108 Power Ground (Electronic Concentrated Control System) Chassis Ground Ground
109 Power Supply (Aux) 12V Permanent Power
110 Injector # 2 Engine Speed Sensor Signal Speed
112 Injector # 4 Engine Speed Sensor Signal Speed
116 Power Ground (Electronic Concentrated Control System) Chassis Ground Ground
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