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
MAXXECUSPORT-C1
face not drawn
| Point | Signal | Family | Evidence | Destination |
|---|---|---|---|---|
| Low-side out | single_source· Vendor | OEM-A-7Main relay | ||
| Ignition | single_source· Vendor | OEM-A-21Ignition coil 1 | ||
| Ignition | single_source· Vendor | OEM-A-22Ignition coil 2 | ||
| Low-side out | single_source· Vendor | RLY2-R-COIL-Relay coil negative (ECU low-side driver) | ||
| Low-side out | single_source· Vendor | RLY1-R-COIL-Relay coil negative (ECU low-side driver) | ||
| Ignition | single_source· Vendor | OEM-B-8Ignition coil 3 | ||
| Ignition | single_source· Vendor | OEM-B-6Ignition coil 4 | ||
| Low-side out | single_source· Vendor | OEM-A-8Fuel pump relay 2 (FLR2) | ||
| Analog in | single_source· Vendor | OEM-D-16Secondary O2 sensor | ||
| Ignition | single_source· Vendor | OEM-B-4Ignition coil 5 | ||
| Ignition | single_source· Vendor | OEM-B-3Ignition coil 6 | ||
| Low-side out | single_source· Vendor | OEM-A-15A/C clutch relay (ACC) | ||
| Low-side out | single_source· Vendor | OEM-A-10Front O2 sensor heater (HTCNTF) | ||
| Analog in | single_source· Vendor | OEM-D-12EGR lift sensor (EGRL) | ||
| Analog in | single_source· Vendor | OEM-5-F2Front VTEC pressure switch | ||
| Low-side out | single_source· Vendor | OEM-A-18Radiator fan control (FANCNTR) | ||
| CAN high | single_source· Vendor | not connected | ||
| CAN low | single_source· Vendor | not connected | ||
| Shield | single_source· Vendor | not connected | ||
| Analog in | single_source· Vendor | OEM-5-F4Rear VTEC pressure switch | ||
| Temp in | single_source· Vendor | OEM-D-13Engine coolant temperature (ECT) | ||
| Temp in | single_source· Vendor | OEM-D-15Intake air temperature (IAT) | ||
| Wideband Vgnd | single_source· Vendor | not connected | ||
| Wideband Vs | single_source· Vendor | not connected | ||
| 5V / 8V ref | single_source· Vendor | SP-5V1-1 | ||
| Analog in | single_source· Vendor | OEM-D-11Throttle position sensor (TPS) | ||
| Wideband Ip | single_source· Vendor | not connected | ||
| Wideband cal | single_source· Vendor | not connected | ||
| Sensor ground | single_source· Vendor | SP-0V-1 | ||
| Sensor ground | single_source· Vendor | SP-0V-1 | ||
| Crank / cam | single_source· Vendor | OEM-B-15CRNK 1P — crank sensor signal | ||
| Crank / cam | single_source· Vendor | OEM-B-11CYL 1P — CYP sensor 1 signal | ||
| Temp in | single_source· Vendor | not connected | ||
| Temp in | single_source· Vendor | not connected | ||
| Analog in | single_source· Vendor | OEM-D-17MAP sensor | ||
| Analog in | single_source· Vendor | OEM-D-14Primary O2 sensor | ||
| Injector | single_source· Vendor | OEM-A-1Injector 1 | ||
| Injector | single_source· Vendor | OEM-A-3Injector 2 | ||
| Digital in | single_source· Vendor | OEM-C-2Vehicle speed sensor (VSS) | ||
| Digital in | single_source· Vendor | OEM-D-9Alternator FR signal | ||
| H-bridge | single_source· Vendor | not connected | ||
| H-bridge | single_source· Vendor | not connected | ||
| Injector | single_source· Vendor | OEM-A-6Injector 6 | ||
| Ground | single_source· Vendor | SP-GND-1 | ||
| Injector | single_source· Vendor | OEM-A-5Injector 3 | ||
| Injector | single_source· Vendor | OEM-A-2Injector 4 | ||
| Injector | single_source· Vendor | OEM-A-4Injector 5 | ||
| Power in | single_source· Vendor | SP-14V-1 |
Mates
No mated connectors (e.g. OEM plug ↔ adapter header).
mates with