1989 - 1994 Nissan Skyline RB20DET ECU Connector Pinout - AllPinouts
From AllPinouts
The ECU - Electronic Control Unit is an embedded system that controls one or more of the electrical systems or subsystems in a vehicle.

ECU - Electronic Control Unit Connector.
| Pin | name | Signal |
|---|---|---|
| 7 | Tachometer Signal | Speed |
| 10 | Power Ground (Engine Control Module) | Ground |
| 26 | Mass Air Flow Sensor Ground | Ground |
| 27 | Mass Air Flow Sensor | Analog |
| 28 | Engine Coolant Temperature Sensor | Analog |
| 29 | O2 Sensor Signal | Analog |
| 30 | Sensor Ground | Ground |
| 38 | Throttle Position Sensor | Analog |
| 53 | Vehicle Speed Sensor | Speed |
| 55 | O2 Sensor Signal | Analog |
| 101 | Injector # 1 | Speed |
| 103 | Injector # 3 | Speed |
| 105 | Injector # 2 | Speed |
| 110 | Injector # 5 | Speed |
| 112 | Injector # 4 | Speed |
| 114 | IInjector # 6 | Speed |