Pinout !!exclusive!!: K20a Ecu
| Pin | Wire Color | Signal | Description | |-----|------------|--------|--------------| | C1 | White/Yellow | IACV | Idle Air Control Valve | | C2 | Green/Black | EGR | EGR Valve Lift (if equipped) | | C3 | Yellow/Black | SG1 | Sensor Ground 1 | | C4 | N/C | - | Not Used | | C5 | Red/Yellow | VTS | VTEC Solenoid Ground | | C6 | Red/Blue | FANC | Radiator Fan Control | | C7 | Blue/Black | AC | A/C Clutch Relay | | C8 | Green/Red | MIL | MIL (Alternative) | | C9 | N/C | - | Not Used | | C10 | White | VSSO | VSS Output (to cluster) | | C11 | Gray | ALTF | Alternator FR Signal | | C12 | N/C | - | Not Used | | C13 | Light Blue | POIL | Oil Pressure Indicator | | C14 | Pink | FPR | Fuel Pump Relay | | C15 | Light Green | BRAKE | Brake Switch Signal | | C16 | Red/Green | CKPP2 | Crank Shield (2) | | C17 | Blue | PSPSW | Power Steering Pressure | | C18 | White/Green | NEP | TDC Signal (to cluster) | | C19 | N/C | - | Not Used | | C20 | Blue/Red | VTM | VTEC Oil Pressure Switch | | C21 | Green | MCS | Maintenance Minder | | C22 | Yellow/Red | LAF | Linear Air-Fuel (Primary O2 Heater) |