Not confident with automotive wiring? Have a professional harness builder or tuner do it, or check your work before first power-up. A wiring mistake can damage the ECU, the engine or the car, or start a fire.
Connectors
ME221-C1
face not drawn
| Point | Signal | Family | Evidence | Destination |
|---|---|---|---|---|
| Ignition | single_source· Vendor | not connected | ||
| Ignition | single_source· Vendor | OEM-A-52Ignition coil 4 (coil pack pin 4) | ||
| Injector | single_source· Vendor | OEM-A-4Injector 4 (cyl 4) | ||
| Injector | single_source· Vendor | OEM-A-3Injector 2 (cyl 2)OEM-A-2Injector 6 (cyl 6) | ||
| Digital in | single_source· Vendor | OEM-A-65Vehicle speed sensor (VSS) | ||
| Digital in | single_source· Vendor | OEM-A-37A/C compressor switch | ||
| Ground | single_source· Vendor | SP-GND-1 | ||
| Low-side out | single_source· Vendor | OEM-A-6Fuel pump relay control | ||
| Power out | single_source· Vendor | not connected | ||
| Power in | single_source· Vendor | SP-14V-1 | ||
| Low-side out | single_source· Vendor | not connected | ||
| Analog in | single_source· Vendor | OEM-A-20O2 sensor 1 (primary) | ||
| Analog in | single_source· Vendor | OEM-A-36Intake air temperature (IAT) | ||
| Wideband Vs | single_source· Vendor | not connected | ||
| Wideband Vgnd | single_source· Vendor | not connected | ||
| CAN high | single_source· Vendor | not connected | ||
| Crank / cam | single_source· Vendor | OEM-A-44Camshaft position sensor (G40) | ||
| Crank / cam | single_source· Vendor | not connected | ||
| No data | single_source· Vendor | not connected | ||
| No data | single_source· Vendor | not connected | ||
| Analog in | single_source· Vendor | OEM-A-17MAF signal | ||
| Ignition | single_source· Vendor | OEM-A-60Ignition coil 3 (coil pack pin 3) | ||
| Ignition | single_source· Vendor | OEM-A-8Ignition coil 2 (coil pack pin 2) | ||
| Injector | single_source· Vendor | OEM-A-26Injector 3 (cyl 3) | ||
| No data | single_source· Vendor | not connected | ||
| No data | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | OEM-A-53Idle air control valve (2nd) | ||
| No data | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | OEM-A-5Check engine light (MIL) | ||
| No data | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | OEM-A-27Idle air control valve | ||
| 5V / 8V ref | single_source· Vendor | OEM-A-41TPS power (+5V) | ||
| 5V / 8V ref | single_source· Vendor | not connected | ||
| Wideband cal | single_source· Vendor | not connected | ||
| Wideband Ip | single_source· Vendor | not connected | ||
| CAN low | single_source· Vendor | not connected | ||
| Sensor ground | single_source· Vendor | SP-0V-1 | ||
| Knock | single_source· Vendor | OEM-A-34Knock sensor 1 | ||
| No data | single_source· Vendor | not connected | ||
| Analog in | single_source· Vendor | OEM-A-40Throttle position sensor 1 | ||
| Temp in | single_source· Vendor | OEM-A-15EGR temperature sensor | ||
| Ground | single_source· Vendor | SP-GND-1 | ||
| Injector | single_source· Vendor | OEM-A-24Injector 1 (cyl 1)OEM-A-25Injector 5 (cyl 5) | ||
| Power in | single_source· Vendor | SP-14V-1 | ||
| H-bridge | single_source· Vendor | not connected | ||
| H-bridge | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | OEM-A-31EVAP canister purge valve | ||
| H-bridge | single_source· Vendor | not connected | ||
| H-bridge | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | OEM-A-49Secondary air injection relay control | ||
| Low-side out | single_source· Vendor | OEM-A-9Engine electronics relay control | ||
| 5V / 8V ref | single_source· Vendor | not connected | ||
| Tacho out | single_source· Vendor | OEM-A-22Tachometer output | ||
| Crank / cam | single_source· Vendor | OEM-A-68Crank position sensor (G28, VR+) | ||
| Crank / cam | single_source· Vendor | not connected | ||
| Sensor ground | single_source· Vendor | SP-0V-1 | ||
| Temp in | single_source· Vendor | OEM-A-14Coolant temperature (CLT) | ||
| Ground | single_source· Vendor | SP-GND-1 | ||
| Ground | single_source· Vendor | SP-GND-1 |
Mates
No mated connectors (e.g. OEM plug ↔ adapter header).
mates with