The primary phase of pinout design involves categorizing signals to ensure logical organization and electrical integrity.
| ECU Pin | Function | Wire Color | Destination | |---------|----------|------------|-------------| | A01 | +12V main | Red | Battery + (10A fuse) | | A02 | ECU ground | Black | Engine ground | | A03 | Sensor ground | White/Black | All sensor grounds | | A04 | 5V out | Orange | TPS, MAP, APP | | B05 | Crank signal (VR+) | Shielded purple | Crank sensor | | B06 | Crank signal (VR-) | Shielded purple/white | Crank sensor | | B12 | Injector 1 | Yellow | Injector 1 (+) to 12V, ECU grounds | | C01 | Ignition 1 | Blue | Coil on plug #1 | | D04 | CAN High | Twisted green | Dash/CAN bus | | D05 | CAN Low | Twisted white | Dash/CAN bus |
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