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-C88-26Ignition 4 (IGT4) | ||
| Ignition | single_source· Vendor | OEM-C88-15Ignition 3 (IGT3) | ||
| Injector | single_source· Vendor | OEM-C86-8Cat temp warning light (EGW) | ||
| Injector | single_source· Vendor | OEM-C88-9Injector 2 (#20, cyl 3&5) | ||
| Digital in | single_source· Vendor | OEM-C86-12No.1 speed sensor (SP1) | ||
| Digital in | single_source· Vendor | OEM-C84-4No.2 speed sensor (SP2-) | ||
| Ground | single_source· Vendor | SP-GND-1 | ||
| Low-side out | single_source· Vendor | OEM-C86-5A/C clutch relay (ACMG) | ||
| Power out | single_source· Vendor | not connected | ||
| Power in | single_source· Vendor | SP-14V-1 | ||
| Low-side out | single_source· Vendor | OEM-C88-3O2 heater (HT) | ||
| Analog in | single_source· Vendor | OEM-C84-12TRAC throttle position (VTA2) | ||
| Analog in | single_source· Vendor | OEM-C84-13O2 sensor (OX1) | ||
| 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-C84-10Cam position 1 (G1) | ||
| Crank / cam | single_source· Vendor | OEM-C84-16Cam position 2 (G2) | ||
| No data | single_source· Vendor | not connected | ||
| No data | single_source· Vendor | not connected | ||
| Analog in | single_source· Vendor | OEM-C84-8Manifold pressure (PIM) | ||
| Ignition | single_source· Vendor | OEM-C88-16Ignition 2 (IGT2) | ||
| Ignition | single_source· Vendor | OEM-C88-24Ignition 1 (IGT1) | ||
| Injector | single_source· Vendor | OEM-C88-8Injector 3 (#30, cyl 2&6) | ||
| No data | single_source· Vendor | not connected | ||
| No data | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | OEM-C88-21ISC stepper coil 3 (ISCV3) | ||
| No data | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | OEM-C88-22ISC stepper coil 2 (ISCV2) | ||
| No data | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | OEM-C88-20ISC stepper coil 4 (ISCV4) | ||
| Low-side out | single_source· Vendor | OEM-C85-4Fuel pump control (FPC) | ||
| Low-side out | single_source· Vendor | OEM-C88-23ISC stepper coil 1 (ISCV1) | ||
| 5V / 8V ref | single_source· Vendor | OEM-C84-1Sensor supply +5V (VCC) | ||
| 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-C88-5Knock sensor 1 (KNK1, front) | ||
| No data | single_source· Vendor | not connected | ||
| Analog in | single_source· Vendor | OEM-C84-7Throttle position (VTA1) | ||
| Temp in | single_source· Vendor | OEM-C84-14Intake air temperature (THA) | ||
| Ground | single_source· Vendor | SP-GND-1 | ||
| Injector | single_source· Vendor | OEM-C88-10Injector 1 (#10, cyl 1&4) | ||
| 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-C88-17A/T shift solenoid 2 (S2) | ||
| H-bridge | single_source· Vendor | not connected | ||
| H-bridge | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | OEM-C85-3Check-engine lamp (W) | ||
| Low-side out | single_source· Vendor | OEM-C85-2EFI main relay control (M-REL) | ||
| Low-side out | single_source· Vendor | OEM-C88-11A/T shift solenoid 1 (S1) | ||
| 5V / 8V ref | single_source· Vendor | not connected | ||
| Tacho out | single_source· Vendor | not connected | ||
| Crank / cam | single_source· Vendor | OEM-C84-5Crank position (NE) | ||
| Crank / cam | single_source· Vendor | not connected | ||
| Sensor ground | single_source· Vendor | SP-0V-1 | ||
| Temp in | single_source· Vendor | OEM-C84-20Coolant 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