AP1 2000–03 (F20C) → MaxxECU MaxxECU GEN2 TRACK (auto)
AP1 2000–03 (F20C) — MaxxECU — MaxxECU GEN2 TRACK
Drawn by Michael Gnankou · Rev 0 · proposal · 2026-10-08
Before you start
| Status | proposal · not yet verified: nobody has reported building and running this harness |
|---|---|
| Open errors | none |
| Size of the job | 64 wires · 10 connectors · 4 part lines |
| Tools | Crimp and extraction tools for each terminal family (see Connectors) · wire strippers · multimeter · heat gun + heat-shrink |
| Order of work | 1. Check every part against the parts list. 2. Cut and label every wire (labels: Export → Wire labels). 3. Crimp and pin connector by connector, ticking the build checklist. 4. Run the bench test with nothing plugged in and the battery disconnected. 5. Only then connect the ECU and power up. |
Build checklist
Tick each box as you go. Continuity: meter from end to end, expect under 1 Ω.
| Wire | From | To | Gauge | Colour | Cut | Label | Crimp A | Crimp B | Pin A | Pin B | Continuity |
|---|---|---|---|---|---|---|---|---|---|---|---|
| W1 | OEM-B-1 | SP-14V-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W2 | OEM-B-9 | SP-14V-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W3 | SP-14V-1 | MAXXECUGEN2T-MX1-25 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W4 | SP-14V-1 | MAXXECUGEN2T-MX2-25 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W5 | OEM-B-10 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W6 | OEM-B-2 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W7 | OEM-B-20 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W8 | OEM-B-22 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W9 | SP-GND-1 | MAXXECUGEN2T-MX1-9 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W10 | SP-GND-1 | MAXXECUGEN2T-MX2-9 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W11 | SP-GND-1 | MAXXECUGEN2T-MX3-9 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W12 | OEM-C-18 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W13 | OEM-C-30 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W14 | OEM-C-31 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W15 | OEM-C-7 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W16 | SP-0V-1 | MAXXECUGEN2T-MX1-14 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W17 | OEM-C-19 | MAXXECUGEN2T-MX1-12 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W18 | OEM-C-28 | MAXXECUGEN2T-MX1-20 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W19 | OEM-C-8 | MAXXECUGEN2T-MX1-10 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W20 | OEM-C-9 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W21 | OEM-C-20 | MAXXECUGEN2T-MX1-18 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W22 | OEM-C-21 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W23 | OEM-C-4 | MAXXECUGEN2T-MX1-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W24 | OEM-C-12 | MAXXECUGEN2T-MX1-2 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W25 | OEM-C-13 | MAXXECUGEN2T-MX1-3 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W26 | OEM-C-14 | MAXXECUGEN2T-MX1-4 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W27 | OEM-B-11 | MAXXECUGEN2T-MX1-31 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W28 | OEM-B-3 | MAXXECUGEN2T-MX1-32 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W29 | OEM-B-4 | MAXXECUGEN2T-MX1-33 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W30 | OEM-B-5 | MAXXECUGEN2T-MX1-34 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W31 | OEM-A-15 | MAXXECUGEN2T-MX1-5 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W32 | OEM-A-16 | MAXXECUGEN2T-MX1-6 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W33 | OEM-A-17 | MAXXECUGEN2T-MX1-7 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W34 | OEM-A-20 | MAXXECUGEN2T-MX1-8 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W35 | OEM-A-28 | MAXXECUGEN2T-MX1-17 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W36 | OEM-B-12 | MAXXECUGEN2T-MX3-14 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W37 | OEM-C-1 | MAXXECUGEN2T-MX2-12 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W38 | OEM-C-11 | MAXXECUGEN2T-MX3-12 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W39 | OEM-B-23 | MAXXECUGEN2T-MX2-3 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W40 | OEM-A-1 | MAXXECUGEN2T-MX2-33 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W41 | OEM-A-12 | MAXXECUGEN2T-MX2-34 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W42 | OEM-A-18 | MAXXECUGEN2T-MX3-29 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W43 | OEM-A-2 | MAXXECUGEN2T-MX3-30 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W44 | OEM-A-3 | MAXXECUGEN2T-MX2-7 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W45 | OEM-A-4 | MAXXECUGEN2T-MX2-8 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W46 | OEM-A-6 | MAXXECUGEN2T-MX3-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W47 | OEM-C-2 | MAXXECUGEN2T-MX3-2 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W48 | OEM-C-17 | MAXXECUGEN2T-MX1-26 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W49 | OEM-C-27 | MAXXECUGEN2T-MX1-27 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W50 | OEM-A-23 | MAXXECUGEN2T-MX1-28 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W51 | OEM-C-15 | MAXXECUGEN2T-MX1-29 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W52 | OEM-C-16 | MAXXECUGEN2T-MX1-30 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W53 | OEM-C-26 | MAXXECUGEN2T-MX2-4 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W54 | OEM-C-25 | MAXXECUGEN2T-MX2-5 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W55 | OEM-A-29 | MAXXECUGEN2T-MX2-6 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W56 | OEM-A-30 | MAXXECUGEN2T-MX2-13 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W57 | OEM-C-24 | MAXXECUGEN2T-MX2-14 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W58 | OEM-A-9 | MAXXECUGEN2T-MX1-23 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W59 | OEM-C-5 | MAXXECUGEN2T-MX1-24 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W60 | OEM-A-24 | MAXXECUGEN2T-MX3-21 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W61 | OEM-A-26 | MAXXECUGEN2T-MX3-26 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W62 | OEM-A-27 | MAXXECUGEN2T-MX2-15 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W63 | OEM-A-32 | MAXXECUGEN2T-MX2-16 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W64 | OEM-C-10 | MAXXECUGEN2T-MX2-17 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ |
Bench test (before first power-up)
Battery disconnected, ECU and every sensor unplugged. Meter on resistance. Each pair below must read open (OL): a reading means a pinched wire, a stray strand or a mis-pinned cavity. Then check continuity of every wire (last column of the build checklist).
| # | Probe A | Probe B | Expect | Why | Reading |
|---|---|---|---|---|---|
| 1 | MAXXECUGEN2T-MX1-25 | MAXXECUGEN2T-MX1-14 | open (OL) | +12 V supply must not touch sensor ground | |
| 2 | MAXXECUGEN2T-MX1-25 | MAXXECUGEN2T-MX1-9 | open (OL) | +12 V supply must not touch power ground | |
| 3 | MAXXECUGEN2T-MX1-14 | MAXXECUGEN2T-MX1-12 | open (OL) | sensor ground must not touch 5 V sensor reference | |
| 4 | MAXXECUGEN2T-MX1-14 | MAXXECUGEN2T-MX1-20 | open (OL) | sensor ground must not touch 5 V sensor reference | |
| 5 | MAXXECUGEN2T-MX1-25 | MAXXECUGEN2T-MX1-12 | open (OL) | +12 V supply must not touch 5 V sensor reference | |
| 6 | MAXXECUGEN2T-MX1-25 | MAXXECUGEN2T-MX1-20 | open (OL) | +12 V supply must not touch 5 V sensor reference | |
| 7 | MAXXECUGEN2T-MX1-9 | MAXXECUGEN2T-MX1-12 | open (OL) | power ground must not touch 5 V sensor reference | |
| 8 | MAXXECUGEN2T-MX1-9 | MAXXECUGEN2T-MX1-20 | open (OL) | power ground must not touch 5 V sensor reference |
Revisions
| Rev | Label | By | Date |
|---|---|---|---|
| No revisions yet. | |||
Schematic
Connectors
MAXXECUGEN2T-MX1
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Ignition 1 | — | W23 | — | 0.5 | OEM-C-4 | — | — | — |
| 10 | Digital/VR 1 SIGNAL + | — | W19 | — | 0.5 | OEM-C-8 | — | — | — |
| 11 | Digital/VR 1 SIGNAL - | — | — | — | — | — | — | — | — |
| 12 | Digital/VR 1 POWER SUPPLY | — | W17 | — | 0.5 | OEM-C-19 | — | — | — |
| 13 | Digital/VR 1 SHIELD | — | — | — | — | — | — | — | — |
| 14 | SENSOR GND | — | W16 | — | 0.5 | SP-0V-1 | — | — | — |
| 15 | CAN L | — | — | — | — | — | — | — | — |
| 16 | CAN H | — | — | — | — | — | — | — | — |
| 17 | GP out 5 (GND) | — | W35 | — | 0.5 | OEM-A-28 | — | — | — |
| 18 | Digital/VR 2 SIGNAL + | — | W21 | — | 0.5 | OEM-C-20 | — | — | — |
| 19 | Digital/VR 2 SIGNAL - | — | — | — | — | — | — | — | — |
| 2 | Ignition 2 | — | W24 | — | 0.5 | OEM-C-12 | — | — | — |
| 20 | Digital/VR 2 POWER SUPPLY | — | W18 | — | 0.5 | OEM-C-28 | — | — | — |
| 21 | Digital/VR 2 SHIELD | — | — | — | — | — | — | — | — |
| 22 | 5V power supply | — | — | — | — | — | — | — | — |
| 23 | Digital/VR 3 SIGNAL + | — | W58 | — | 0.5 | OEM-A-9 | — | — | — |
| 24 | Digital/VR 4 SIGNAL + | — | W59 | — | 0.5 | OEM-C-5 | — | — | — |
| 25 | 12V supply 1 | — | W3 | — | 0.85 | SP-14V-1 | — | — | — |
| 26 | AIN 1 | — | W48 | — | 0.5 | OEM-C-17 | — | — | — |
| 27 | AIN 2 | — | W49 | — | 0.5 | OEM-C-27 | — | — | — |
| 28 | AIN 3 | — | W50 | — | 0.5 | OEM-A-23 | — | — | — |
| 29 | AIN 4 | — | W51 | — | 0.5 | OEM-C-15 | — | — | — |
| 3 | Ignition 3 | — | W25 | — | 0.5 | OEM-C-13 | — | — | — |
| 30 | AIN 5 | — | W52 | — | 0.5 | OEM-C-16 | — | — | — |
| 31 | INJECTOR 1 | — | W27 | — | 0.5 | OEM-B-11 | — | — | — |
| 32 | INJECTOR 2 | — | W28 | — | 0.5 | OEM-B-3 | — | — | — |
| 33 | INJECTOR 3 | — | W29 | — | 0.5 | OEM-B-4 | — | — | — |
| 34 | INJECTOR 4 | — | W30 | — | 0.5 | OEM-B-5 | — | — | — |
| 4 | Ignition 4 | — | W26 | — | 0.5 | OEM-C-14 | — | — | — |
| 5 | GP out 1 (GND) | — | W31 | — | 0.5 | OEM-A-15 | — | — | — |
| 6 | GP out 2 (GND) | — | W32 | — | 0.5 | OEM-A-16 | — | — | — |
| 7 | GP out 3 (GND) | — | W33 | — | 0.5 | OEM-A-17 | — | — | — |
| 8 | GP out 4 (GND) | — | W34 | — | 0.5 | OEM-A-20 | — | — | — |
| 9 | Engine gnd | — | W9 | — | 0.85 | SP-GND-1 | — | — | — |
MAXXECUGEN2T-MX2
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Ignition 5 | — | — | — | — | — | — | — | — |
| 10 | WBO2 Sensor 1 VS | — | — | — | — | — | — | — | — |
| 11 | WBO2 Sensor 1 COM/VREF | — | — | — | — | — | — | — | — |
| 12 | GP OUT 7 / WBO2 Sensor 1 H- | — | W37 | — | 0.5 | OEM-C-1 | — | — | — |
| 13 | AIN 9 | — | W56 | — | 0.5 | OEM-A-30 | — | — | — |
| 14 | AIN 10 | — | W57 | — | 0.5 | OEM-C-24 | — | — | — |
| 15 | AIN 11 | — | W62 | — | 0.5 | OEM-A-27 | — | — | — |
| 16 | AIN 12 | — | W63 | — | 0.5 | OEM-A-32 | — | — | — |
| 17 | AIN 13 | — | W64 | — | 0.5 | OEM-C-10 | — | — | — |
| 18 | WBO2 sensor 1 RCAL | — | — | — | — | — | — | — | — |
| 19 | WBO2 sensor 1 IP | — | — | — | — | — | — | — | — |
| 2 | Ignition 6 | — | — | — | — | — | — | — | — |
| 20 | 12V WBO2 sensor 1 H+ | — | — | — | — | — | — | — | — |
| 21 | WBO2 sensor 1 SHIELD | — | — | — | — | — | — | — | — |
| 22 | AIN 14 | — | — | — | — | — | — | — | — |
| 23 | AIN 15 | — | — | — | — | — | — | — | — |
| 24 | 12V supply 3 | — | — | — | — | — | — | — | — |
| 25 | 12V supply 2 | — | W4 | — | 0.85 | SP-14V-1 | — | — | — |
| 26 | KNOCK1 SHIELD | — | — | — | — | — | — | — | — |
| 27 | KNOCK 1- | — | — | — | — | — | — | — | — |
| 28 | KNOCK 1+ | — | — | — | — | — | — | — | — |
| 29 | KNOCK 2 SHIELD | — | — | — | — | — | — | — | — |
| 3 | GP out 6 (GND) | — | W39 | — | 0.5 | OEM-B-23 | — | — | — |
| 30 | KNOCK 2- | — | — | — | — | — | — | — | — |
| 31 | KNOCK 2+ | — | — | — | — | — | — | — | — |
| 32 | AIN 16 | — | — | — | — | — | — | — | — |
| 33 | INJECTOR 5 | — | W40 | — | 0.5 | OEM-A-1 | — | — | — |
| 34 | INJECTOR 6 | — | W41 | — | 0.5 | OEM-A-12 | — | — | — |
| 4 | AIN 6 | — | W53 | — | 0.5 | OEM-C-26 | — | — | — |
| 5 | AIN 7 | — | W54 | — | 0.5 | OEM-C-25 | — | — | — |
| 6 | AIN 8 | — | W55 | — | 0.5 | OEM-A-29 | — | — | — |
| 7 | GP out 13 (H-BRIDGE 1) | — | W44 | — | 0.5 | OEM-A-3 | — | — | — |
| 8 | GP out 14 (H-BRIDGE 1) | — | W45 | — | 0.5 | OEM-A-4 | — | — | — |
| 9 | Engine gnd | — | W10 | — | 0.85 | SP-GND-1 | — | — | — |
MAXXECUGEN2T-MX3
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | GP out 15 (H-BRIDGE 2) | — | W46 | — | 0.5 | OEM-A-6 | — | — | — |
| 10 | WBO2 sensor 2 VS | — | — | — | — | — | — | — | — |
| 11 | WBO2 sensor 2 COM/VREF | — | — | — | — | — | — | — | — |
| 12 | GP Out 8 (GND) / WBO2 Sensor 2 H- | — | W38 | — | 0.5 | OEM-C-11 | — | — | — |
| 14 | GP OUT 9 (12V) | — | W36 | — | 0.5 | OEM-B-12 | — | — | — |
| 15 | GP OUT 10 (12V) | — | — | — | — | — | — | — | — |
| 16 | GP OUT 11 (12V) | — | — | — | — | — | — | — | — |
| 17 | GP OUT 12 (12V) | — | — | — | — | — | — | — | — |
| 18 | WBO2 sensor 2 RCAL | — | — | — | — | — | — | — | — |
| 19 | WBO2 sensor 2 IP | — | — | — | — | — | — | — | — |
| 2 | GP out 16 (H-BRIDGE 2) | — | W47 | — | 0.5 | OEM-C-2 | — | — | — |
| 20 | 12V WBO2 sensor 2 (H+) | — | — | — | — | — | — | — | — |
| 21 | Digital/VR 5 SIGNAL + | — | W60 | — | 0.5 | OEM-A-24 | — | — | — |
| 22 | Digital/VR 5 SIGNAL - | — | — | — | — | — | — | — | — |
| 23 | Digital/VR 5 SHIELD | — | — | — | — | — | — | — | — |
| 24 | CAN 2 L | — | — | — | — | — | — | — | — |
| 25 | CAN 2 H | — | — | — | — | — | — | — | — |
| 26 | Digital/VR 6 SIGNAL + | — | W61 | — | 0.5 | OEM-A-26 | — | — | — |
| 27 | Digital/VR 6 SIGNAL - | — | — | — | — | — | — | — | — |
| 28 | Digital/VR 6 SHIELD | — | — | — | — | — | — | — | — |
| 29 | INJECTOR 7 | — | W42 | — | 0.5 | OEM-A-18 | — | — | — |
| 3 | Ignition 7 | — | — | — | — | — | — | — | — |
| 30 | INJECTOR 8 | — | W43 | — | 0.5 | OEM-A-2 | — | — | — |
| 4 | Ignition 8 | — | — | — | — | — | — | — | — |
| 9 | Engine gnd | — | W11 | — | 0.85 | SP-GND-1 | — | — | — |
OEM-A
Mating face
Wire side
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Coolant temp gauge drive | — | W40 | — | 0.5 | MAXXECUGEN2T-MX2-33 | — | — | — |
| 2 | Air control valve solenoid | — | W43 | — | 0.5 | MAXXECUGEN2T-MX3-30 | — | — | — |
| 3 | Evap bypass solenoid | — | W44 | — | 0.5 | MAXXECUGEN2T-MX2-7 | — | — | — |
| 4 | Evap canister vent shut valve | — | W45 | — | 0.5 | MAXXECUGEN2T-MX2-8 | — | — | — |
| 5 | NC | — | — | — | — | — | — | — | — |
| 6 | Evap canister purge valve | — | W46 | — | 0.5 | MAXXECUGEN2T-MX3-1 | — | — | — |
| 7 | NC | — | — | — | — | — | — | — | — |
| 8 | NC | — | — | — | — | — | — | — | — |
| 9 | Vehicle speed sensor | — | W58 | — | 0.5 | MAXXECUGEN2T-MX1-23 | — | — | — |
| 10 | Service check signal | — | — | — | — | — | — | — | — |
| 11 | NC | — | — | — | — | — | — | — | — |
| 12 | Immobilizer indicator light | — | W41 | — | 0.5 | MAXXECUGEN2T-MX2-34 | — | — | — |
| 13 | Immobilizer enable signal | — | — | — | — | — | — | — | — |
| 14 | NC | — | — | — | — | — | — | — | — |
| 15 | Fuel pump relay (USDM) | — | W31 | — | 0.5 | MAXXECUGEN2T-MX1-5 | — | — | — |
| 16 | Fuel pump relay (JDM) | — | W32 | — | 0.5 | MAXXECUGEN2T-MX1-6 | — | — | — |
| 17 | A/C clutch relay | — | W33 | — | 0.5 | MAXXECUGEN2T-MX1-7 | — | — | — |
| 18 | Check engine light (MIL) | — | W42 | — | 0.5 | MAXXECUGEN2T-MX3-29 | — | — | — |
| 19 | Tacho output | — | — | — | — | — | — | — | — |
| 20 | Radiator fan relay | — | W34 | — | 0.5 | MAXXECUGEN2T-MX1-8 | — | — | — |
| 21 | K-Line | — | — | — | — | — | — | — | — |
| 22 | NC | — | — | — | — | — | — | — | — |
| 23 | Secondary O2 sensor | — | W50 | — | 0.5 | MAXXECUGEN2T-MX1-28 | — | — | — |
| 24 | Starter switch signal | — | W60 | — | 0.5 | MAXXECUGEN2T-MX3-21 | — | — | — |
| 25 | Immobilizer code | — | — | — | — | — | — | — | — |
| 26 | Power steering load detect | — | W61 | — | 0.5 | MAXXECUGEN2T-MX3-26 | — | — | — |
| 27 | A/C switch (request) | — | W62 | — | 0.5 | MAXXECUGEN2T-MX2-15 | — | — | — |
| 28 | Air pump relay | — | W35 | — | 0.5 | MAXXECUGEN2T-MX1-17 | — | — | — |
| 29 | Fuel tank pressure sensor | — | W55 | — | 0.5 | MAXXECUGEN2T-MX2-6 | — | — | — |
| 30 | Electrical load detector | — | W56 | — | 0.5 | MAXXECUGEN2T-MX2-13 | — | — | — |
| 31 | NC | — | — | — | — | — | — | — | — |
| 32 | Brake switch | — | W63 | — | 0.5 | MAXXECUGEN2T-MX2-16 | — | — | — |
OEM-B
Mating face
Wire side
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Power source 1 (main relay) | — | W1 | — | 0.85 | SP-14V-1 | — | — | — |
| 2 | Power ground 1 | — | W6 | — | 0.85 | SP-GND-1 | — | — | — |
| 3 | Injector 2 | — | W28 | — | 0.5 | MAXXECUGEN2T-MX1-32 | — | — | — |
| 4 | Injector 3 | — | W29 | — | 0.5 | MAXXECUGEN2T-MX1-33 | — | — | — |
| 5 | Injector 4 | — | W30 | — | 0.5 | MAXXECUGEN2T-MX1-34 | — | — | — |
| 6 | NC | — | — | — | — | — | — | — | — |
| 7 | NC | — | — | — | — | — | — | — | — |
| 8 | NC | — | — | — | — | — | — | — | — |
| 9 | Power source 2 (main relay) | — | W2 | — | 0.85 | SP-14V-1 | — | — | — |
| 10 | Power ground 2 | — | W5 | — | 0.85 | SP-GND-1 | — | — | — |
| 11 | Injector 1 | — | W27 | — | 0.5 | MAXXECUGEN2T-MX1-31 | — | — | — |
| 12 | VTEC solenoid | — | W36 | — | 0.5 | MAXXECUGEN2T-MX3-14 | — | — | — |
| 13 | NC | — | — | — | — | — | — | — | — |
| 14 | NC | — | — | — | — | — | — | — | — |
| 15 | NC | — | — | — | — | — | — | — | — |
| 16 | NC | — | — | — | — | — | — | — | — |
| 17 | NC | — | — | — | — | — | — | — | — |
| 18 | NC | — | — | — | — | — | — | — | — |
| 19 | NC | — | — | — | — | — | — | — | — |
| 20 | Ground | — | W7 | — | 0.85 | SP-GND-1 | — | — | — |
| 21 | Backup power (battery constant) | — | — | — | — | — | — | — | — |
| 22 | Ground | — | W8 | — | 0.85 | SP-GND-1 | — | — | — |
| 23 | Idle air control valve | — | W39 | — | 0.5 | MAXXECUGEN2T-MX2-3 | — | — | — |
| 24 | NC | — | — | — | — | — | — | — | — |
| 25 | NC | — | — | — | — | — | — | — | — |
OEM-C
Mating face
Wire side
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Primary O2 heater | — | W37 | — | 0.5 | MAXXECUGEN2T-MX2-12 | — | — | — |
| 2 | Alternator control | — | W47 | — | 0.5 | MAXXECUGEN2T-MX3-2 | — | — | — |
| 3 | Knock sensor | — | — | — | — | — | — | — | — |
| 4 | Ignition coil 1 | — | W23 | — | 0.5 | MAXXECUGEN2T-MX1-1 | — | — | — |
| 5 | Alternator FR signal | — | W59 | — | 0.5 | MAXXECUGEN2T-MX1-24 | — | — | — |
| 6 | NC | — | — | — | — | — | — | — | — |
| 7 | Sensor ground 1 | — | W15 | — | 0.5 | SP-0V-1 | — | — | — |
| 8 | Crank sensor + (CKP+) | — | W19 | — | 0.5 | MAXXECUGEN2T-MX1-10 | — | — | — |
| 9 | Crank sensor − (CKP−) | — | W20 | — | 0.5 | SP-0V-1 | — | — | — |
| 10 | VTEC pressure switch | — | W64 | — | 0.5 | MAXXECUGEN2T-MX2-17 | — | — | — |
| 11 | Secondary O2 heater control | — | W38 | — | 0.5 | MAXXECUGEN2T-MX3-12 | — | — | — |
| 12 | Ignition coil 2 | — | W24 | — | 0.5 | MAXXECUGEN2T-MX1-2 | — | — | — |
| 13 | Ignition coil 3 | — | W25 | — | 0.5 | MAXXECUGEN2T-MX1-3 | — | — | — |
| 14 | Ignition coil 4 | — | W26 | — | 0.5 | MAXXECUGEN2T-MX1-4 | — | — | — |
| 15 | Secondary O2 sensor | — | W51 | — | 0.5 | MAXXECUGEN2T-MX1-29 | — | — | — |
| 16 | Primary O2 sensor | — | W52 | — | 0.5 | MAXXECUGEN2T-MX1-30 | — | — | — |
| 17 | MAP sensor | — | W48 | — | 0.5 | MAXXECUGEN2T-MX1-26 | — | — | — |
| 18 | Sensor ground 2 | — | W12 | — | 0.5 | SP-0V-1 | — | — | — |
| 19 | Sensor 5V supply 1 (MAP) | — | W17 | — | 0.5 | MAXXECUGEN2T-MX1-12 | — | — | — |
| 20 | Cam (TDC1) sensor + | — | W21 | — | 0.5 | MAXXECUGEN2T-MX1-18 | — | — | — |
| 21 | Cam (TDC1) sensor − | — | W22 | — | 0.5 | SP-0V-1 | — | — | — |
| 22 | Knock sensor | — | — | — | — | — | — | — | — |
| 23 | NC | — | — | — | — | — | — | — | — |
| 24 | Air pump electric current sensor | — | W57 | — | 0.5 | MAXXECUGEN2T-MX2-14 | — | — | — |
| 25 | Intake air temp sensor | — | W54 | — | 0.5 | MAXXECUGEN2T-MX2-5 | — | — | — |
| 26 | Coolant temp sensor | — | W53 | — | 0.5 | MAXXECUGEN2T-MX2-4 | — | — | — |
| 27 | Throttle position sensor | — | W49 | — | 0.5 | MAXXECUGEN2T-MX1-27 | — | — | — |
| 28 | Sensor 5V supply 2 | — | W18 | — | 0.5 | MAXXECUGEN2T-MX1-20 | — | — | — |
| 29 | Cam (TDC2) sensor + | — | — | — | — | — | — | — | — |
| 30 | Cam (TDC2) sensor − | — | W13 | — | 0.5 | SP-0V-1 | — | — | — |
| 31 | Timing ground | — | W14 | — | 0.5 | SP-0V-1 | — | — | — |
OEM-D
Mating face
Wire side
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | NC | — | — | — | — | — | — | — | — |
| 2 | NC | — | — | — | — | — | — | — | — |
| 3 | NC | — | — | — | — | — | — | — | — |
| 4 | NC | — | — | — | — | — | — | — | — |
| 5 | NC | — | — | — | — | — | — | — | — |
| 6 | NC | — | — | — | — | — | — | — | — |
| 7 | NC | — | — | — | — | — | — | — | — |
| 8 | NC | — | — | — | — | — | — | — | — |
| 9 | NC | — | — | — | — | — | — | — | — |
| 10 | NC | — | — | — | — | — | — | — | — |
| 11 | NC | — | — | — | — | — | — | — | — |
| 12 | NC | — | — | — | — | — | — | — | — |
| 13 | NC | — | — | — | — | — | — | — | — |
| 14 | NC | — | — | — | — | — | — | — | — |
| 15 | NC | — | — | — | — | — | — | — | — |
| 16 | NC | — | — | — | — | — | — | — | — |
SP-0V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W20 | — | 0.5 | OEM-C-9 | — | — | — |
| 1 | — | — | W22 | — | 0.5 | OEM-C-21 | — | — | — |
| 1 | — | — | W12 | — | 0.5 | OEM-C-18 | — | — | — |
| 1 | — | — | W13 | — | 0.5 | OEM-C-30 | — | — | — |
| 1 | — | — | W14 | — | 0.5 | OEM-C-31 | — | — | — |
| 1 | — | — | W15 | — | 0.5 | OEM-C-7 | — | — | — |
| 1 | — | — | W16 | — | 0.5 | MAXXECUGEN2T-MX1-14 | — | — | — |
SP-14V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W1 | — | 0.85 | OEM-B-1 | — | — | — |
| 1 | — | — | W2 | — | 0.85 | OEM-B-9 | — | — | — |
| 1 | — | — | W3 | — | 0.85 | MAXXECUGEN2T-MX1-25 | — | — | — |
| 1 | — | — | W4 | — | 0.85 | MAXXECUGEN2T-MX2-25 | — | — | — |
SP-GND
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W5 | — | 0.85 | OEM-B-10 | — | — | — |
| 1 | — | — | W6 | — | 0.85 | OEM-B-2 | — | — | — |
| 1 | — | — | W7 | — | 0.85 | OEM-B-20 | — | — | — |
| 1 | — | — | W8 | — | 0.85 | OEM-B-22 | — | — | — |
| 1 | — | — | W9 | — | 0.85 | MAXXECUGEN2T-MX1-9 | — | — | — |
| 1 | — | — | W10 | — | 0.85 | MAXXECUGEN2T-MX2-9 | — | — | — |
| 1 | — | — | W11 | — | 0.85 | MAXXECUGEN2T-MX3-9 | — | — | — |
Pin map
| OEM point | OEM function | OEM family | Target point | Target function | Target family | Wire colour | Evidence |
|---|---|---|---|---|---|---|---|
| OEM-A-1 | Coolant temp gauge drive | low_side_out | MAXXECUGEN2T-MX2-33 | INJECTOR 5 | injector_out | corroborated | |
| OEM-A-10 | Service check signal | — | — | — | — | single_source | |
| OEM-A-11 | NC | — | — | — | — | unverified | |
| OEM-A-12 | Immobilizer indicator light | low_side_out | MAXXECUGEN2T-MX2-34 | INJECTOR 6 | injector_out | single_source | |
| OEM-A-13 | Immobilizer enable signal | — | — | — | — | single_source | |
| OEM-A-14 | NC | — | — | — | — | unverified | |
| OEM-A-15 | Fuel pump relay (USDM) | low_side_out | MAXXECUGEN2T-MX1-5 | GP out 1 (GND) | low_side_out | corroborated | |
| OEM-A-16 | Fuel pump relay (JDM) | low_side_out | MAXXECUGEN2T-MX1-6 | GP out 2 (GND) | low_side_out | single_source | |
| OEM-A-17 | A/C clutch relay | low_side_out | MAXXECUGEN2T-MX1-7 | GP out 3 (GND) | low_side_out | corroborated | |
| OEM-A-18 | Check engine light (MIL) | low_side_out | MAXXECUGEN2T-MX3-29 | INJECTOR 7 | injector_out | corroborated | |
| OEM-A-19 | Tacho output | tacho_out | — | — | — | corroborated | |
| OEM-A-2 | Air control valve solenoid | low_side_out | MAXXECUGEN2T-MX3-30 | INJECTOR 8 | injector_out | single_source | |
| OEM-A-20 | Radiator fan relay | low_side_out | MAXXECUGEN2T-MX1-8 | GP out 4 (GND) | low_side_out | corroborated | |
| OEM-A-21 | K-Line | serial | — | — | — | single_source | |
| OEM-A-22 | NC | — | — | — | — | unverified | |
| OEM-A-23 | Secondary O2 sensor | lambda_nb_in | MAXXECUGEN2T-MX1-28 | AIN 3 | analog_in | single_source | |
| OEM-A-24 | Starter switch signal | digital_in | MAXXECUGEN2T-MX3-21 | Digital/VR 5 SIGNAL + | digital_in | corroborated | |
| OEM-A-25 | Immobilizer code | — | — | — | — | single_source | |
| OEM-A-26 | Power steering load detect | digital_in | MAXXECUGEN2T-MX3-26 | Digital/VR 6 SIGNAL + | digital_in | corroborated | |
| OEM-A-27 | A/C switch (request) | digital_in | MAXXECUGEN2T-MX2-15 | AIN 11 | analog_in | corroborated | |
| OEM-A-28 | Air pump relay | low_side_out | MAXXECUGEN2T-MX1-17 | GP out 5 (GND) | low_side_out | corroborated | |
| OEM-A-29 | Fuel tank pressure sensor | analog_in | MAXXECUGEN2T-MX2-6 | AIN 8 | analog_in | corroborated | |
| OEM-A-3 | Evap bypass solenoid | low_side_out | MAXXECUGEN2T-MX2-7 | GP out 13 (H-BRIDGE 1) | hbridge_out | single_source | |
| OEM-A-30 | Electrical load detector | analog_in | MAXXECUGEN2T-MX2-13 | AIN 9 | analog_in | corroborated | |
| OEM-A-31 | NC | — | — | — | — | unverified | |
| OEM-A-32 | Brake switch | digital_in | MAXXECUGEN2T-MX2-16 | AIN 12 | analog_in | corroborated | |
| OEM-A-4 | Evap canister vent shut valve | low_side_out | MAXXECUGEN2T-MX2-8 | GP out 14 (H-BRIDGE 1) | hbridge_out | single_source | |
| OEM-A-5 | NC | — | — | — | — | unverified | |
| OEM-A-6 | Evap canister purge valve | low_side_out | MAXXECUGEN2T-MX3-1 | GP out 15 (H-BRIDGE 2) | hbridge_out | single_source | |
| OEM-A-7 | NC | — | — | — | — | unverified | |
| OEM-A-8 | NC | — | — | — | — | unverified | |
| OEM-A-9 | Vehicle speed sensor | digital_in | MAXXECUGEN2T-MX1-23 | Digital/VR 3 SIGNAL + | digital_in | corroborated | |
| OEM-B-1 | Power source 1 (main relay) | power_in | MAXXECUGEN2T-MX1-25 + MAXXECUGEN2T-MX2-25 | 12V supply 1 + 12V supply 2 | power_in | corroborated | |
| OEM-B-10 | Power ground 2 | ground | MAXXECUGEN2T-MX1-9 + MAXXECUGEN2T-MX2-9 + MAXXECUGEN2T-MX3-9 | Engine gnd + Engine gnd + Engine gnd | ground | single_source | |
| OEM-B-11 | Injector 1 | injector_out | MAXXECUGEN2T-MX1-31 | INJECTOR 1 | injector_out | corroborated | |
| OEM-B-12 | VTEC solenoid | high_side_out | MAXXECUGEN2T-MX3-14 | GP OUT 9 (12V) | high_side_out | corroborated | |
| OEM-B-13 | NC | — | — | — | — | unverified | |
| OEM-B-14 | NC | — | — | — | — | unverified | |
| OEM-B-15 | NC | — | — | — | — | unverified | |
| OEM-B-16 | NC | — | — | — | — | unverified | |
| OEM-B-17 | NC | — | — | — | — | unverified | |
| OEM-B-18 | NC | — | — | — | — | unverified | |
| OEM-B-19 | NC | — | — | — | — | unverified | |
| OEM-B-2 | Power ground 1 | ground | MAXXECUGEN2T-MX1-9 + MAXXECUGEN2T-MX2-9 + MAXXECUGEN2T-MX3-9 | Engine gnd + Engine gnd + Engine gnd | ground | corroborated | |
| OEM-B-20 | Ground | ground | MAXXECUGEN2T-MX1-9 + MAXXECUGEN2T-MX2-9 + MAXXECUGEN2T-MX3-9 | Engine gnd + Engine gnd + Engine gnd | ground | single_source | |
| OEM-B-21 | Backup power (battery constant) | power_in | — | — | — | single_source | |
| OEM-B-22 | Ground | ground | MAXXECUGEN2T-MX1-9 + MAXXECUGEN2T-MX2-9 + MAXXECUGEN2T-MX3-9 | Engine gnd + Engine gnd + Engine gnd | ground | single_source | |
| OEM-B-23 | Idle air control valve | low_side_out | MAXXECUGEN2T-MX2-3 | GP out 6 (GND) | low_side_out | corroborated | |
| OEM-B-24 | NC | — | — | — | — | unverified | |
| OEM-B-25 | NC | — | — | — | — | unverified | |
| OEM-B-3 | Injector 2 | injector_out | MAXXECUGEN2T-MX1-32 | INJECTOR 2 | injector_out | corroborated | |
| OEM-B-4 | Injector 3 | injector_out | MAXXECUGEN2T-MX1-33 | INJECTOR 3 | injector_out | corroborated | |
| OEM-B-5 | Injector 4 | injector_out | MAXXECUGEN2T-MX1-34 | INJECTOR 4 | injector_out | corroborated | |
| OEM-B-6 | NC | — | — | — | — | unverified | |
| OEM-B-7 | NC | — | — | — | — | unverified | |
| OEM-B-8 | NC | — | — | — | — | unverified | |
| OEM-B-9 | Power source 2 (main relay) | power_in | MAXXECUGEN2T-MX1-25 + MAXXECUGEN2T-MX2-25 | 12V supply 1 + 12V supply 2 | power_in | corroborated | |
| OEM-C-1 | Primary O2 heater | low_side_out | MAXXECUGEN2T-MX2-12 | GP OUT 7 / WBO2 Sensor 1 H- | low_side_out | corroborated | |
| OEM-C-10 | VTEC pressure switch | digital_in | MAXXECUGEN2T-MX2-17 | AIN 13 | analog_in | corroborated | |
| OEM-C-11 | Secondary O2 heater control | low_side_out | MAXXECUGEN2T-MX3-12 | GP Out 8 (GND) / WBO2 Sensor 2 H- | low_side_out | single_source | |
| OEM-C-12 | Ignition coil 2 | ignition_out | MAXXECUGEN2T-MX1-2 | Ignition 2 | ignition_out | corroborated | |
| OEM-C-13 | Ignition coil 3 | ignition_out | MAXXECUGEN2T-MX1-3 | Ignition 3 | ignition_out | corroborated | |
| OEM-C-14 | Ignition coil 4 | ignition_out | MAXXECUGEN2T-MX1-4 | Ignition 4 | ignition_out | corroborated | |
| OEM-C-15 | Secondary O2 sensor | lambda_nb_in | MAXXECUGEN2T-MX1-29 | AIN 4 | analog_in | corroborated | |
| OEM-C-16 | Primary O2 sensor | lambda_nb_in | MAXXECUGEN2T-MX1-30 | AIN 5 | analog_in | corroborated | |
| OEM-C-17 | MAP sensor | analog_in | MAXXECUGEN2T-MX1-26 | AIN 1 | analog_in | corroborated | |
| OEM-C-18 | Sensor ground 2 | sensor_ground | MAXXECUGEN2T-MX1-14 | SENSOR GND | sensor_ground | corroborated | |
| OEM-C-19 | Sensor 5V supply 1 (MAP) | vref | MAXXECUGEN2T-MX1-12 | Digital/VR 1 POWER SUPPLY | vref | corroborated | |
| OEM-C-2 | Alternator control | low_side_out | MAXXECUGEN2T-MX3-2 | GP out 16 (H-BRIDGE 2) | hbridge_out | single_source | |
| OEM-C-20 | Cam (TDC1) sensor + | trigger_in | MAXXECUGEN2T-MX1-18 | Digital/VR 2 SIGNAL + | trigger_in | corroborated | |
| OEM-C-21 | Cam (TDC1) sensor − | trigger_in | MAXXECUGEN2T-MX1-14 | SENSOR GND | sensor_ground | corroborated | |
| OEM-C-22 | Knock sensor | knock_in | — | — | — | conflict | |
| OEM-C-23 | NC | — | — | — | — | unverified | |
| OEM-C-24 | Air pump electric current sensor | analog_in | MAXXECUGEN2T-MX2-14 | AIN 10 | analog_in | single_source | |
| OEM-C-25 | Intake air temp sensor | temp_in | MAXXECUGEN2T-MX2-5 | AIN 7 | analog_in | corroborated | |
| OEM-C-26 | Coolant temp sensor | temp_in | MAXXECUGEN2T-MX2-4 | AIN 6 | analog_in | corroborated | |
| OEM-C-27 | Throttle position sensor | analog_in | MAXXECUGEN2T-MX1-27 | AIN 2 | analog_in | corroborated | |
| OEM-C-28 | Sensor 5V supply 2 | vref | MAXXECUGEN2T-MX1-20 | Digital/VR 2 POWER SUPPLY | vref | corroborated | |
| OEM-C-29 | Cam (TDC2) sensor + | trigger_in | — | — | — | corroborated | |
| OEM-C-3 | Knock sensor | knock_in | — | — | — | conflict | |
| OEM-C-30 | Cam (TDC2) sensor − | sensor_ground | MAXXECUGEN2T-MX1-14 | SENSOR GND | sensor_ground | corroborated | |
| OEM-C-31 | Timing ground | sensor_ground | MAXXECUGEN2T-MX1-14 | SENSOR GND | sensor_ground | single_source | |
| OEM-C-4 | Ignition coil 1 | ignition_out | MAXXECUGEN2T-MX1-1 | Ignition 1 | ignition_out | corroborated | |
| OEM-C-5 | Alternator FR signal | digital_in | MAXXECUGEN2T-MX1-24 | Digital/VR 4 SIGNAL + | digital_in | single_source | |
| OEM-C-6 | NC | — | — | — | — | unverified | |
| OEM-C-7 | Sensor ground 1 | sensor_ground | MAXXECUGEN2T-MX1-14 | SENSOR GND | sensor_ground | corroborated | |
| OEM-C-8 | Crank sensor + (CKP+) | trigger_in | MAXXECUGEN2T-MX1-10 | Digital/VR 1 SIGNAL + | trigger_in | corroborated | |
| OEM-C-9 | Crank sensor − (CKP−) | trigger_in | MAXXECUGEN2T-MX1-14 | SENSOR GND | sensor_ground | corroborated | |
| OEM-D-1 | NC | — | — | — | — | unverified | |
| OEM-D-10 | NC | — | — | — | — | unverified | |
| OEM-D-11 | NC | — | — | — | — | unverified | |
| OEM-D-12 | NC | — | — | — | — | unverified | |
| OEM-D-13 | NC | — | — | — | — | unverified | |
| OEM-D-14 | NC | — | — | — | — | unverified | |
| OEM-D-15 | NC | — | — | — | — | unverified | |
| OEM-D-16 | NC | — | — | — | — | unverified | |
| OEM-D-2 | NC | — | — | — | — | unverified | |
| OEM-D-3 | NC | — | — | — | — | unverified | |
| OEM-D-4 | NC | — | — | — | — | unverified | |
| OEM-D-5 | NC | — | — | — | — | unverified | |
| OEM-D-6 | NC | — | — | — | — | unverified | |
| OEM-D-7 | NC | — | — | — | — | unverified | |
| OEM-D-8 | NC | — | — | — | — | unverified | |
| OEM-D-9 | NC | — | — | — | — | unverified |
Cut list
| Wire | From | To | Gauge (mm²) | Colour | Length | Signal | Ident |
|---|---|---|---|---|---|---|---|
| W1 | OEM-B-1 | SP-14V-1 | 0.85 | no route | Power source 1 (main relay) | — | |
| W2 | OEM-B-9 | SP-14V-1 | 0.85 | no route | Power source 2 (main relay) | — | |
| W3 | SP-14V-1 | MAXXECUGEN2T-MX1-25 | 0.85 | no route | 12V supply 1 | — | |
| W4 | SP-14V-1 | MAXXECUGEN2T-MX2-25 | 0.85 | no route | 12V supply 2 | — | |
| W5 | OEM-B-10 | SP-GND-1 | 0.85 | no route | Power ground 2 | — | |
| W6 | OEM-B-2 | SP-GND-1 | 0.85 | no route | Power ground 1 | — | |
| W7 | OEM-B-20 | SP-GND-1 | 0.85 | no route | Ground | — | |
| W8 | OEM-B-22 | SP-GND-1 | 0.85 | no route | Ground | — | |
| W9 | SP-GND-1 | MAXXECUGEN2T-MX1-9 | 0.85 | no route | Engine gnd | — | |
| W10 | SP-GND-1 | MAXXECUGEN2T-MX2-9 | 0.85 | no route | Engine gnd | — | |
| W11 | SP-GND-1 | MAXXECUGEN2T-MX3-9 | 0.85 | no route | Engine gnd | — | |
| W12 | OEM-C-18 | SP-0V-1 | 0.5 | no route | Sensor ground 2 | — | |
| W13 | OEM-C-30 | SP-0V-1 | 0.5 | no route | Cam (TDC2) sensor − | — | |
| W14 | OEM-C-31 | SP-0V-1 | 0.5 | no route | Timing ground | — | |
| W15 | OEM-C-7 | SP-0V-1 | 0.5 | no route | Sensor ground 1 | — | |
| W16 | SP-0V-1 | MAXXECUGEN2T-MX1-14 | 0.5 | no route | SENSOR GND | — | |
| W17 | OEM-C-19 | MAXXECUGEN2T-MX1-12 | 0.5 | no route | Sensor 5V supply 1 (MAP) | — | |
| W18 | OEM-C-28 | MAXXECUGEN2T-MX1-20 | 0.5 | no route | Sensor 5V supply 2 | — | |
| W19 | OEM-C-8 | MAXXECUGEN2T-MX1-10 | 0.5 | no route | Crank sensor + (CKP+) | — | |
| W20 | OEM-C-9 | SP-0V-1 | 0.5 | no route | Crank sensor − (CKP−) | — | |
| W21 | OEM-C-20 | MAXXECUGEN2T-MX1-18 | 0.5 | no route | Cam (TDC1) sensor + | — | |
| W22 | OEM-C-21 | SP-0V-1 | 0.5 | no route | Cam (TDC1) sensor − | — | |
| W23 | OEM-C-4 | MAXXECUGEN2T-MX1-1 | 0.5 | no route | Ignition coil 1 | — | |
| W24 | OEM-C-12 | MAXXECUGEN2T-MX1-2 | 0.5 | no route | Ignition coil 2 | — | |
| W25 | OEM-C-13 | MAXXECUGEN2T-MX1-3 | 0.5 | no route | Ignition coil 3 | — | |
| W26 | OEM-C-14 | MAXXECUGEN2T-MX1-4 | 0.5 | no route | Ignition coil 4 | — | |
| W27 | OEM-B-11 | MAXXECUGEN2T-MX1-31 | 0.5 | no route | Injector 1 | — | |
| W28 | OEM-B-3 | MAXXECUGEN2T-MX1-32 | 0.5 | no route | Injector 2 | — | |
| W29 | OEM-B-4 | MAXXECUGEN2T-MX1-33 | 0.5 | no route | Injector 3 | — | |
| W30 | OEM-B-5 | MAXXECUGEN2T-MX1-34 | 0.5 | no route | Injector 4 | — | |
| W31 | OEM-A-15 | MAXXECUGEN2T-MX1-5 | 0.5 | no route | Fuel pump relay (USDM) | — | |
| W32 | OEM-A-16 | MAXXECUGEN2T-MX1-6 | 0.5 | no route | Fuel pump relay (JDM) | — | |
| W33 | OEM-A-17 | MAXXECUGEN2T-MX1-7 | 0.5 | no route | A/C clutch relay | — | |
| W34 | OEM-A-20 | MAXXECUGEN2T-MX1-8 | 0.5 | no route | Radiator fan relay | — | |
| W35 | OEM-A-28 | MAXXECUGEN2T-MX1-17 | 0.5 | no route | Air pump relay | — | |
| W36 | OEM-B-12 | MAXXECUGEN2T-MX3-14 | 0.5 | no route | VTEC solenoid | — | |
| W37 | OEM-C-1 | MAXXECUGEN2T-MX2-12 | 0.5 | no route | Primary O2 heater | — | |
| W38 | OEM-C-11 | MAXXECUGEN2T-MX3-12 | 0.5 | no route | Secondary O2 heater control | — | |
| W39 | OEM-B-23 | MAXXECUGEN2T-MX2-3 | 0.5 | no route | Idle air control valve | — | |
| W40 | OEM-A-1 | MAXXECUGEN2T-MX2-33 | 0.5 | no route | Coolant temp gauge drive | — | |
| W41 | OEM-A-12 | MAXXECUGEN2T-MX2-34 | 0.5 | no route | Immobilizer indicator light | — | |
| W42 | OEM-A-18 | MAXXECUGEN2T-MX3-29 | 0.5 | no route | Check engine light (MIL) | — | |
| W43 | OEM-A-2 | MAXXECUGEN2T-MX3-30 | 0.5 | no route | Air control valve solenoid | — | |
| W44 | OEM-A-3 | MAXXECUGEN2T-MX2-7 | 0.5 | no route | Evap bypass solenoid | — | |
| W45 | OEM-A-4 | MAXXECUGEN2T-MX2-8 | 0.5 | no route | Evap canister vent shut valve | — | |
| W46 | OEM-A-6 | MAXXECUGEN2T-MX3-1 | 0.5 | no route | Evap canister purge valve | — | |
| W47 | OEM-C-2 | MAXXECUGEN2T-MX3-2 | 0.5 | no route | Alternator control | — | |
| W48 | OEM-C-17 | MAXXECUGEN2T-MX1-26 | 0.5 | no route | MAP sensor | — | |
| W49 | OEM-C-27 | MAXXECUGEN2T-MX1-27 | 0.5 | no route | Throttle position sensor | — | |
| W50 | OEM-A-23 | MAXXECUGEN2T-MX1-28 | 0.5 | no route | Secondary O2 sensor | — | |
| W51 | OEM-C-15 | MAXXECUGEN2T-MX1-29 | 0.5 | no route | Secondary O2 sensor | — | |
| W52 | OEM-C-16 | MAXXECUGEN2T-MX1-30 | 0.5 | no route | Primary O2 sensor | — | |
| W53 | OEM-C-26 | MAXXECUGEN2T-MX2-4 | 0.5 | no route | Coolant temp sensor | — | |
| W54 | OEM-C-25 | MAXXECUGEN2T-MX2-5 | 0.5 | no route | Intake air temp sensor | — | |
| W55 | OEM-A-29 | MAXXECUGEN2T-MX2-6 | 0.5 | no route | Fuel tank pressure sensor | — | |
| W56 | OEM-A-30 | MAXXECUGEN2T-MX2-13 | 0.5 | no route | Electrical load detector | — | |
| W57 | OEM-C-24 | MAXXECUGEN2T-MX2-14 | 0.5 | no route | Air pump electric current sensor | — | |
| W58 | OEM-A-9 | MAXXECUGEN2T-MX1-23 | 0.5 | no route | Vehicle speed sensor | — | |
| W59 | OEM-C-5 | MAXXECUGEN2T-MX1-24 | 0.5 | no route | Alternator FR signal | — | |
| W60 | OEM-A-24 | MAXXECUGEN2T-MX3-21 | 0.5 | no route | Starter switch signal | — | |
| W61 | OEM-A-26 | MAXXECUGEN2T-MX3-26 | 0.5 | no route | Power steering load detect | — | |
| W62 | OEM-A-27 | MAXXECUGEN2T-MX2-15 | 0.5 | no route | A/C switch (request) | — | |
| W63 | OEM-A-32 | MAXXECUGEN2T-MX2-16 | 0.5 | no route | Brake switch | — | |
| W64 | OEM-C-10 | MAXXECUGEN2T-MX2-17 | 0.5 | no route | VTEC pressure switch | — |
Bill of materials
| Category | Part number | Manufacturer | Description | Qty | Unit |
|---|---|---|---|---|---|
| connector | 179679-6 | TE | S2000 2000–05 ECU harness plug B (25P, TE 040 Multi-Lock) | 1.000 | ea |
| connector | 179680-5 | TE | S2000 2000–05 ECU harness plug C (31P, TE 040 Multi-Lock) | 1.000 | ea |
| connector | 179681-6 | TE | S2000 2000–05 ECU harness plug A (32P, TE 040 Multi-Lock) | 1.000 | ea |
| connector | S2K-0005-ECU-D | Honda | S2000 2000–05 ECU plug D (P/N unknown) | 1.000 | ea |
ECU setup sheet
| Role | Engine ref | Engine signal | Sensor | ECU point | ECU function | ECU class | Setup flag |
|---|---|---|---|---|---|---|---|
| No configured channels. | |||||||
Findings
Open (15)
| Severity | Code | Subject | Message |
|---|---|---|---|
| warn | NET_FAMILY | OEM-A-27 ↔ MAXXECUGEN2T-MX2-15 | OEM-A-27 "A/C switch (request)" [digital_in] is wired to MAXXECUGEN2T-MX2-15 "AIN 11" [analog_in]. Analog and digital on one net. A switch on an analog input works with a pull-up and a threshold; an analog sensor on a digital input loses its value. |
| warn | NET_FAMILY | OEM-A-3 ↔ MAXXECUGEN2T-MX2-7 | OEM-A-3 "Evap bypass solenoid" [low_side_out] is wired to MAXXECUGEN2T-MX2-7 "GP out 13 (H-BRIDGE 1)" [hbridge_out]. A half-bridge can act as a low-side switch only if configured that way. |
| warn | NET_FAMILY | OEM-A-32 ↔ MAXXECUGEN2T-MX2-16 | OEM-A-32 "Brake switch" [digital_in] is wired to MAXXECUGEN2T-MX2-16 "AIN 12" [analog_in]. Analog and digital on one net. A switch on an analog input works with a pull-up and a threshold; an analog sensor on a digital input loses its value. |
| warn | NET_FAMILY | OEM-A-4 ↔ MAXXECUGEN2T-MX2-8 | OEM-A-4 "Evap canister vent shut valve" [low_side_out] is wired to MAXXECUGEN2T-MX2-8 "GP out 14 (H-BRIDGE 1)" [hbridge_out]. A half-bridge can act as a low-side switch only if configured that way. |
| warn | NET_FAMILY | OEM-A-6 ↔ MAXXECUGEN2T-MX3-1 | OEM-A-6 "Evap canister purge valve" [low_side_out] is wired to MAXXECUGEN2T-MX3-1 "GP out 15 (H-BRIDGE 2)" [hbridge_out]. A half-bridge can act as a low-side switch only if configured that way. |
| warn | NET_FAMILY | OEM-C-10 ↔ MAXXECUGEN2T-MX2-17 | OEM-C-10 "VTEC pressure switch" [digital_in] is wired to MAXXECUGEN2T-MX2-17 "AIN 13" [analog_in]. Analog and digital on one net. A switch on an analog input works with a pull-up and a threshold; an analog sensor on a digital input loses its value. |
| warn | NET_FAMILY | OEM-C-2 ↔ MAXXECUGEN2T-MX3-2 | OEM-C-2 "Alternator control" [low_side_out] is wired to MAXXECUGEN2T-MX3-2 "GP out 16 (H-BRIDGE 2)" [hbridge_out]. A half-bridge can act as a low-side switch only if configured that way. |
| info | NET_FAMILY | OEM-A-1 ↔ MAXXECUGEN2T-MX2-33 | OEM-A-1 "Coolant temp gauge drive" [low_side_out] is wired to MAXXECUGEN2T-MX2-33 "INJECTOR 5" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-A-12 ↔ MAXXECUGEN2T-MX2-34 | OEM-A-12 "Immobilizer indicator light" [low_side_out] is wired to MAXXECUGEN2T-MX2-34 "INJECTOR 6" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-A-18 ↔ MAXXECUGEN2T-MX3-29 | OEM-A-18 "Check engine light (MIL)" [low_side_out] is wired to MAXXECUGEN2T-MX3-29 "INJECTOR 7" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-A-2 ↔ MAXXECUGEN2T-MX3-30 | OEM-A-2 "Air control valve solenoid" [low_side_out] is wired to MAXXECUGEN2T-MX3-30 "INJECTOR 8" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-C-21 ↔ OEM-C-31 | OEM-C-21 "Cam (TDC1) sensor −" [trigger_in] is wired to OEM-C-31 "Timing ground" [sensor_ground]. Trigger return tied to sensor/trigger ground: correct for single-ended trigger inputs. |
| info | NET_FAMILY | OEM-C-25 ↔ MAXXECUGEN2T-MX2-5 | OEM-C-25 "Intake air temp sensor" [temp_in] is wired to MAXXECUGEN2T-MX2-5 "AIN 7" [analog_in]. Thermistor on a plain analog input needs a pull-up; check the channel can enable one. |
| info | NET_FAMILY | OEM-C-26 ↔ MAXXECUGEN2T-MX2-4 | OEM-C-26 "Coolant temp sensor" [temp_in] is wired to MAXXECUGEN2T-MX2-4 "AIN 6" [analog_in]. Thermistor on a plain analog input needs a pull-up; check the channel can enable one. |
| info | UNMAPPED | OEM | 9 optional OEM pins are not mapped: OEM-A-10 Service check signal; OEM-A-13 Immobilizer enable signal; OEM-A-19 Tacho output; OEM-A-21 K-Line; OEM-A-25 Immobilizer code; OEM-B-21 Backup power (battery constant); OEM-C-22 Knock sensor; OEM-C-29 Cam (TDC2) sensor +; OEM-C-3 Knock sensor |
Accepted (0)
| Code | Subject | Reason | By |
|---|
Notes
Auto-mapped by auto_map() from the library pin data on 2026-10-06. Review every wire against both manuals before building. Not wired: - OEM-B 21: Backup power (battery constant): MaxxECU MaxxECU GEN2 TRACK has no battery-constant input; not needed - OEM-C 29: Cam (TDC2) sensor +: no free cam_vr/cam_hall/frequency_in input on MaxxECU MaxxECU GEN2 TRACK - OEM-C 22: Knock sensor: 2 stock pins named "Knock sensor" without a documented polarity / pairing; wire by hand - OEM-C 3: Knock sensor: 2 stock pins named "Knock sensor" without a documented polarity / pairing; wire by hand - OEM-A 19: Tacho output: no free tacho/frequency_out/low_side/ls_hs on MaxxECU MaxxECU GEN2 TRACK - OEM-A 21: K-Line: no free k_line on MaxxECU MaxxECU GEN2 TRACK - OEM-A 10: Service check signal: not classified in the library; wire by hand - OEM-A 13: Immobilizer enable signal: not classified in the library; wire by hand - OEM-A 25: Immobilizer code: not classified in the library; wire by hand - MAXXECUGEN2T-MX2 24: 12V supply 3: not fed (the stock ECU has no ignition-sense pin); feed it from a switched-ignition source
Sources
| Reliability | Kind | Title | URL | Archive | Captured | SHA-256 |
|---|---|---|---|---|---|---|
| 4 | vendor_doc | AEM 30-6052 Series 2 Plug & Play EMS, 2000–2005 S2000 (original ECU pinout) | https://documents.aemelectronics.com/techlibrary_30-6052_series_2_plug___play_ems.pdf | — | 2026-10-05 | 9f79620fff5a |
| 4 | vendor_doc | Haltech KB: F20C (AP1) engine | https://support.haltech.com/portal/en/kb/articles/f20c-ap1-engine | — | 2026-10-05 | e804da29d014 |
| 4 | vendor_doc | Link S2000 AP1 PlugIn installation manual | https://linkecu.com/documentation/S2000X.pdf | — | 2026-10-05 | d12b0ff3f006 |
| 4 | vendor_doc | MaxxECU GEN2 pinout (RACE MX1–MX4 / TRACK MX1–MX3) | http://www.maxxecu.com/webhelp/wirings-maxxecu_gen2_pinout.html | archive | 2026-10-05 | f689b8b6b08f |
| 2 | forum | AllPinouts: 2000–2005 Honda S2000 ECU | https://allpinouts.org/pinouts/connectors/car/2000-2005-honda-s2000-ecu/ | archive | 2026-10-05 | 81d874e0385d |
| 2 | forum | Autodata blog: ECU Pinout Honda S2000 2000-2004 | http://autodatas.blogspot.com/2012/11/ecu-pinout-honda-s2000-2000-2004.html | — | 2026-10-05 | 33b93af7640e |
| 2 | derived | Typical load estimates (relay coil ~0.2 A, high-Z injector ~1.2 A, VVT solenoid ~1 A) | — | — | — | — |