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 | OEM-A36-8Ignition coil 4 (IGT4) | ||
| Ignition | single_source· Vendor | OEM-A36-31Ignition coil 3 (IGT3) | ||
| Injector | single_source· Vendor | OEM-A36-25Injector 2 direct (#2)OEM-A36-23Injector 4 direct (#4) | ||
| Injector | single_source· Vendor | OEM-A36-14Injector 1 direct (#1)OEM-A36-32Injector 3 port (#30) | ||
| Digital in | single_source· Vendor | OEM-A33-14Starter signal (STSW2) | ||
| Digital in | single_source· Vendor | OEM-A33-15Clutch switch (CLSW) | ||
| Ground | single_source· Vendor | SP-GND-1 | ||
| Low-side out | single_source· Vendor | OEM-A35-12Cooling fan relay 2 (FAN2) | ||
| Power out | single_source· Vendor | not connected | ||
| Power in | single_source· Vendor | SP-14V-1 | ||
| Low-side out | single_source· Vendor | OEM-A35-5Injector relay (IREL) | ||
| Analog in | single_source· Vendor | OEM-A35-23Accelerator pedal position (VPA) | ||
| Analog in | single_source· Vendor | OEM-A36-18Throttle position (VTA1) | ||
| Wideband Vs | single_source· Vendor | not connected | ||
| Wideband Vgnd | single_source· Vendor | not connected | ||
| CAN high | single_source· Vendor | OEM-A33-19CAN high (CANH) | ||
| Crank / cam | single_source· Vendor | OEM-A34-14VVT cam sensor exhaust bank 1 (EV1+) | ||
| Crank / cam | single_source· Vendor | OEM-A34-26VVT cam sensor intake bank 1 (VV1+) | ||
| No data | single_source· Vendor | not connected | ||
| No data | single_source· Vendor | not connected | ||
| Analog in | single_source· Vendor | OEM-A35-31Accelerator pedal position 2 (VPA2) | ||
| Ignition | single_source· Vendor | OEM-A36-10Ignition coil 2 (IGT2) | ||
| Ignition | single_source· Vendor | OEM-A36-21Ignition coil 1 (IGT1) | ||
| Injector | single_source· Vendor | OEM-A36-22Injector 2 port (#20)OEM-A36-13Injector 4 port (#40) | ||
| No data | single_source· Vendor | not connected | ||
| No data | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | OEM-A34-5A/F ratio sensor heater (HA1A) | ||
| No data | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | OEM-A35-35A/C clutch relay (AC) | ||
| No data | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | OEM-A36-6Heated oxygen sensor heater (HT1B) | ||
| Low-side out | single_source· Vendor | OEM-A36-7OCV exhaust bank 1 (OE1) | ||
| Low-side out | single_source· Vendor | OEM-A33-20Blower relay (HB) | ||
| 5V / 8V ref | single_source· Vendor | SP-5V1-1 | ||
| 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 | OEM-A33-18CAN low (CANL) | ||
| Sensor ground | single_source· Vendor | SP-0V-1 | ||
| Knock | single_source· Vendor | OEM-A34-28Knock sensor 1 (KNK1) | ||
| No data | single_source· Vendor | not connected | ||
| Analog in | single_source· Vendor | OEM-A36-28Throttle position 2 (VTA2) | ||
| Temp in | single_source· Vendor | OEM-A33-12Intake air temperature (THA, in MAF) | ||
| Ground | single_source· Vendor | SP-GND-1 | ||
| Injector | single_source· Vendor | OEM-A36-12Injector 1 port (#10)OEM-A36-24Injector 3 direct (#3) | ||
| 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-A35-17ETCS relay (MCR) | ||
| H-bridge | single_source· Vendor | not connected | ||
| H-bridge | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | OEM-A36-17OCV intake bank 1 (OC1) | ||
| Low-side out | single_source· Vendor | OEM-A35-13EFI main relay 1 (SSHUT) | ||
| Low-side out | single_source· Vendor | OEM-A35-11Cooling fan relay 3 (FAN1) | ||
| 5V / 8V ref | single_source· Vendor | not connected | ||
| Tacho out | single_source· Vendor | OEM-A35-15Tachometer output (TACH) | ||
| Crank / cam | single_source· Vendor | OEM-A34-16Crank position (NE+) | ||
| Crank / cam | single_source· Vendor | not connected | ||
| Sensor ground | single_source· Vendor | SP-0V-1 | ||
| Temp in | single_source· Vendor | OEM-A36-30Engine coolant 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