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
OEM-T121
face not drawn
| Point | Signal | Family | Evidence | Destination |
|---|---|---|---|---|
| Ground | corroborated· Community | SP-GND-1 | ||
| Ground | corroborated· Community | SP-GND-1 | ||
| Digital in | corroborated· Community | not connected | ||
| Low-side out | corroborated· Community | T2I-C1-15Lambda Heater Negative | ||
| Low-side out | corroborated· Community | not connected | ||
| Power in | corroborated· Community | SP-14V-1 | ||
| Power in | corroborated· Community | not connected | ||
| Sensor ground | corroborated· Community | SP-0V-1 | ||
| Analog in | corroborated· Community | T2I-C1-23Analogue 3 | ||
| Sensor ground | corroborated· Community | SP-0V-1 | ||
| Analog in | corroborated· Community | T2I-C1-33Analogue 5 | ||
| Sensor ground | corroborated· Community | SP-0V-1 | ||
| Tacho out | corroborated· Community | not connected | ||
| Serial | corroborated· Community | not connected | ||
| Low-side out | corroborated· Community | not connected | ||
| Low-side out | corroborated· Community | not connected | ||
| Wideband Ip | corroborated· Community | T2I-C1-5Lambda Pump Current | ||
| Wideband Ip | corroborated· Community | not connected | ||
| Analog in | corroborated· Community | T2I-C1-20Analogue 1 | ||
| Digital in | corroborated· Community | T2I-C1-11Digital 1 | ||
| CAN low | corroborated· Community | T2I-C1-17CAN Low | ||
| CAN high | corroborated· Community | T2I-C1-16CAN High | ||
| Power in | corroborated· Community | T2I-C1-21Permanent 12v | ||
| Low-side out | corroborated· Community | T2I-C1-18PWM 3 | ||
| Low-side out | corroborated· Community | not connected | ||
| Low-side out | corroborated· Community | T2I-C1-1PWM 1 | ||
| Low-side out | corroborated· Community | T2I-C1-10PWM 2 | ||
| O2 narrowband | corroborated· Community | not connected | ||
| O2 narrowband | corroborated· Community | not connected | ||
| Wideband Vs | corroborated· Community | T2I-C1-2Lambda Nernst Voltage | ||
| Wideband Vs | corroborated· Community | not connected | ||
| 5V / 8V ref | corroborated· Community | SP-5V1-1 | ||
| 5V / 8V ref | corroborated· Community | SP-5V1-1 | ||
| Crank / cam | corroborated· Community | T2I-C1-19Crank | ||
| 5V / 8V ref | corroborated· Community | SP-5V1-1 | ||
| Analog in | corroborated· Community | T2I-C1-25Analogue 4 | ||
| Temp in | corroborated· Community | T2I-C1-32Thermistor 2 | ||
| Crank / cam | corroborated· Community | T2I-C1-12Wheel 1 | ||
| Injector | corroborated· Community | not connected | ||
| Injector | corroborated· Community | not connected | ||
| Sensor ground | corroborated· Community | SP-0V-1 | ||
| Sensor ground | corroborated· Community | SP-0V-1 | ||
| Analog in | corroborated· Community | T2I-C1-34Analogue 6 | ||
| Temp in | corroborated· Community | T2I-C1-24Thermistor 1 | ||
| Ignition | corroborated· Community | not connected | ||
| Ignition | corroborated· Community | T2I-C1-6Coil 2 | ||
| Injector | corroborated· Community | not connected | ||
| Injector | corroborated· Community | not connected | ||
| 5V / 8V ref | corroborated· Community | SP-5V1-1 | ||
| 5V / 8V ref | corroborated· Community | SP-5V1-1 | ||
| Analog in | corroborated· Community | T2I-C1-22Analogue 2 | ||
| Ignition | corroborated· Community | T2I-C1-3Coil 1 | ||
| Ignition | corroborated· Community | not connected | ||
| Low-side out | corroborated· Community | T2I-C1-26PWM 4 | ||
| Low-side out | corroborated· Community | not connected | ||
| Knock | corroborated· Community | not connected | ||
| Knock | corroborated· Community | not connected | ||
| Sensor ground | corroborated· Community | SP-0V-1 | ||
| Low-side out | corroborated· Community | not connected | ||
| H-bridge | corroborated· Community | not connected | ||
| H-bridge | corroborated· Community | not connected | ||
| Power in | corroborated· Community | SP-14V-1 |
Mates
No mated connectors (e.g. OEM plug ↔ adapter header).
mates with