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
ME442-C1
face not drawn
| Point | Signal | Family | Evidence | Destination |
|---|---|---|---|---|
| Ignition | single_source· Vendor | not connected | ||
| Ignition | single_source· Vendor | not connected | ||
| Injector | single_source· Vendor | OEM-3-ZInjector 4 | ||
| Injector | single_source· Vendor | OEM-3-XInjector 2 | ||
| Digital in | single_source· Vendor | OEM-1-PA/C request | ||
| Digital in | single_source· Vendor | OEM-2-DVehicle speed | ||
| Digital in | single_source· Vendor | OEM-1-FBrake switch | ||
| Digital in | single_source· Vendor | OEM-1-GPower steering pressure switch | ||
| Low-side out | single_source· Vendor | not connected | ||
| Ground | single_source· Vendor | SP-GND-1 | ||
| No data | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | OEM-1-RCooling fan relay | ||
| Low-side out | single_source· Vendor | not connected | ||
| Power out | single_source· Vendor | not connected | ||
| Power in | single_source· Vendor | SP-14V-1 | ||
| Low-side out | single_source· Vendor | OEM-1-UFront O2 heater | ||
| Analog in | single_source· Vendor | OEM-3-EThrottle position (TPS) | ||
| Analog in | single_source· Vendor | OEM-2-CFront O2 signal | ||
| 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-2-HCam position (CMP) | ||
| 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-2-LMass air flow (MAF) | ||
| Injector | single_source· Vendor | OEM-2-MEGR valve | ||
| Injector | single_source· Vendor | OEM-1-EMalfunction indicator lamp (MIL) | ||
| Ignition | single_source· Vendor | not connected | ||
| Ignition | single_source· Vendor | not connected | ||
| Ignition | single_source· Vendor | OEM-3-HIgnition 2 (coils 2+3, wasted spark) | ||
| Ignition | single_source· Vendor | OEM-3-GIgnition 1 (coils 1+4, wasted spark) | ||
| Injector | single_source· Vendor | OEM-3-YInjector 3 | ||
| Digital in | single_source· Vendor | OEM-3-IClutch switch | ||
| No data | single_source· Vendor | not connected | ||
| No data | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | not connected | ||
| No data | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | OEM-3-OISC valve low side | ||
| Low-side out | single_source· Vendor | not connected | ||
| 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-3-NFuel pump relay | ||
| 5V / 8V ref | single_source· Vendor | OEM-2-I+5V sensor supply | ||
| 5V / 8V ref | single_source· Vendor | not connected | ||
| Temp in | single_source· Vendor | not connected | ||
| Analog in | single_source· Vendor | OEM-3-KFuel level | ||
| 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-2-FKnock sensor | ||
| Knock | single_source· Vendor | not connected | ||
| No data | single_source· Vendor | not connected | ||
| Analog in | single_source· Vendor | OEM-3-SPressure sensor (Mazda: EGR boost sensor) | ||
| Temp in | single_source· Vendor | OEM-2-BIntake air temperature (IAT) | ||
| Injector | single_source· Vendor | OEM-1-OAlternator control | ||
| Ignition | single_source· Vendor | not connected | ||
| Ignition | single_source· Vendor | not connected | ||
| Ground | single_source· Vendor | SP-GND-1 | ||
| Digital in | single_source· Vendor | OEM-1-VNeutral switch | ||
| Injector | single_source· Vendor | OEM-3-WInjector 1 | ||
| Power in | single_source· Vendor | SP-14V-1 | ||
| H-bridge | single_source· Vendor | OEM-3-QVICS solenoid (intake butterflies) | ||
| H-bridge | single_source· Vendor | OEM-3-UCanister drain cut valve (CDCV) | ||
| H-bridge | single_source· Vendor | OEM-2-NEGR valve | ||
| H-bridge | single_source· Vendor | OEM-2-OEGR valve | ||
| Low-side out | single_source· Vendor | OEM-3-VRear O2 heater | ||
| H-bridge | single_source· Vendor | OEM-2-PEGR valve | ||
| H-bridge | single_source· Vendor | OEM-3-LEvap purge solenoid | ||
| Low-side out | single_source· Vendor | not connected | ||
| Low-side out | single_source· Vendor | OEM-1-ICondenser fan relay | ||
| Low-side out | single_source· Vendor | OEM-1-SA/C clutch relay | ||
| Low-side out | single_source· Vendor | not connected | ||
| 5V / 8V ref | single_source· Vendor | not connected | ||
| Temp in | single_source· Vendor | not connected | ||
| Analog in | single_source· Vendor | OEM-2-AFuel tank pressure | ||
| Tacho out | single_source· Vendor | OEM-2-KTachometer output | ||
| Crank / cam | single_source· Vendor | not connected | ||
| Crank / cam | single_source· Vendor | OEM-2-JCrank position (CKP) | ||
| Crank / cam | single_source· Vendor | not connected | ||
| Crank / cam | single_source· Vendor | not connected | ||
| Sensor ground | single_source· Vendor | SP-0V-1 | ||
| Temp in | single_source· Vendor | OEM-2-ECoolant temperature (ECT) | ||
| Analog in | single_source· Vendor | OEM-3-JRear O2 signal | ||
| Injector | single_source· Vendor | OEM-1-QCharge lamp | ||
| 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