Connectors
OEM-AOEMbeing replaced
| Point | Function | Family | Evidence | Destination |
|---|---|---|---|---|
| Coolant temp gauge drive | Low-side out | corroborated | SPEEDUINO-A-30Idle stepper 2A | |
| Air control valve solenoid | Low-side out | single_source | not connected | |
| Evap bypass solenoid | Low-side out | single_source | not connected | |
| Evap canister vent shut valve | Low-side out | single_source | not connected | |
| Evap canister purge valve | Low-side out | single_source | not connected | |
| Vehicle speed sensor | Digital in | corroborated | SPEEDUINO-A-14Proto area 1 (flex fuel) | |
| Service check signal | No data | single_source | not connected | |
| Immobilizer indicator light | Low-side out | single_source | not connected | |
| Immobilizer enable signal | No data | single_source | not connected | |
| Fuel pump relay (USDM) | Low-side out | corroborated | SPEEDUINO-A-16Proto area 3 (fuel pump) | |
| Fuel pump relay (JDM) | Low-side out | single_source | SPEEDUINO-A-15Proto area 2 (fan) | |
| A/C clutch relay | Low-side out | corroborated | SPEEDUINO-A-36Idle 2 (3-wire idle) | |
| Check engine light (MIL) | Low-side out | corroborated | not connected | |
| Tacho output | Tacho out | corroborated | SPEEDUINO-A-17Proto area 4 (tachometer) | |
| Radiator fan relay | Low-side out | corroborated | SPEEDUINO-A-35Boost | |
| K-Line | Serial | single_source | not connected | |
| Secondary O2 sensor | O2 narrowband | single_source | SPEEDUINO-A-21O2 sensor | |
| Starter switch signal | Digital in | corroborated | not connected | |
| Immobilizer code | No data | single_source | not connected | |
| Power steering load detect | Digital in | corroborated | not connected | |
| A/C switch (request) | Digital in | corroborated | not connected | |
| Air pump relay | Low-side out | corroborated | SPEEDUINO-A-37PWM idle | |
| Fuel tank pressure sensor | Analog in | corroborated | not connected | |
| Electrical load detector | Analog in | corroborated | not connected | |
| Brake switch | Digital in | corroborated | not connected |
Mates
No mated connectors (e.g. OEM plug ↔ adapter header).
mates with