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-B74-13Ignition 3 (IGT3, cyl 3&4) | ||
| Injector | single_source· Vendor | OEM-B74-2Injector 4 (#40) | ||
| Injector | single_source· Vendor | OEM-B75-6Injector 2 (#20)OEM-B74-4Injector 6 (#60) | ||
| Digital in | single_source· Vendor | OEM-B77-25No.1 speed sensor (SPD) | ||
| Digital in | single_source· Vendor | OEM-B76-11No.2 speed sensor return (SP2-) | ||
| Ground | single_source· Vendor | SP-GND-1 | ||
| Low-side out | single_source· Vendor | OEM-B74-18VVT-i OCV + (OCV+) | ||
| Power out | single_source· Vendor | not connected | ||
| Power in | single_source· Vendor | SP-14V-1 | ||
| Low-side out | single_source· Vendor | OEM-B75-4O2 sensor heater (HT) | ||
| Analog in | single_source· Vendor | OEM-B75-23Throttle position 1 (VTA) | ||
| Analog in | single_source· Vendor | OEM-B75-16Accelerator pedal 2 (VPA2) | ||
| 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-B74-10Cam position (G2) | ||
| 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-B75-9Manifold pressure (PIM) | ||
| Ignition | single_source· Vendor | OEM-B74-12Ignition 2 (IGT2, cyl 5&2) | ||
| Ignition | single_source· Vendor | OEM-B74-11Ignition 1 (IGT, cyl 1&6) | ||
| Injector | single_source· Vendor | OEM-B74-1Injector 3 (#30) | ||
| No data | single_source· Vendor | not connected | ||
| No data | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | OEM-B76-1A/T shift solenoid 1 (S1) | ||
| No data | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | OEM-B78-10EFI main relay control (M-REL) | ||
| No data | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | OEM-B76-2A/T shift solenoid 2 (S2) | ||
| Low-side out | single_source· Vendor | OEM-B76-6A/T shift solenoid 4 (S4) | ||
| Low-side out | single_source· Vendor | OEM-B74-20ETCS-i clutch + (CL+) | ||
| 5V / 8V ref | single_source· Vendor | OEM-B75-2Sensor power (VC) | ||
| 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-B74-28Knock sensor 1 (KNK1, front) | ||
| No data | single_source· Vendor | not connected | ||
| Analog in | single_source· Vendor | OEM-B75-15Accelerator pedal 1 (VPA) | ||
| Temp in | single_source· Vendor | OEM-B75-22Intake air temperature (THA) | ||
| Ground | single_source· Vendor | SP-GND-1 | ||
| Injector | single_source· Vendor | OEM-B75-5Injector 1 (#10)OEM-B74-3Injector 5 (#50) | ||
| 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-B77-13A/C clutch relay (ACMG) | ||
| H-bridge | single_source· Vendor | not connected | ||
| H-bridge | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | OEM-B76-3A/T shift solenoid 3 (S3) | ||
| Low-side out | single_source· Vendor | OEM-B74-17VVT-i OCV - (OCV-) | ||
| Low-side out | single_source· Vendor | OEM-B74-19ETCS-i clutch - (CL-) | ||
| 5V / 8V ref | single_source· Vendor | not connected | ||
| Tacho out | single_source· Vendor | OEM-B77-20Tachometer output (TACH) | ||
| Crank / cam | single_source· Vendor | OEM-B74-23Crank position (NE+) | ||
| Crank / cam | single_source· Vendor | not connected | ||
| Sensor ground | single_source· Vendor | SP-0V-1 | ||
| Temp in | single_source· Vendor | OEM-B75-14Coolant temperature (THW) | ||
| 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