BMW 3 Series E46 1998–2006 (M54) → Haltech Nexus S3 HT-213000 (auto)
BMW 3 Series E46 1998–2006 (M54) — Haltech — Nexus S3
⚠ NOT CHECKED. Don't build from this.
Drawn by Michael Gnankou · Rev 0 · draft · 2026-10-08
Before you start
| Status | draft · not yet verified: nobody has reported building and running this harness |
|---|---|
| Open errors | none |
| Size of the job | 73 wires · 11 connectors · 1 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-X60001-8 | SP-14V-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W2 | OEM-X60001-9 | SP-14V-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W3 | SP-14V-1 | NEXUSS3-A-18 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W4 | SP-14V-1 | NEXUSS3-A-25 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W5 | OEM-X60001-4 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W6 | OEM-X60001-5 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W7 | OEM-X60001-6 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W8 | OEM-X60005-5 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W9 | SP-GND-1 | NEXUSS3-A-10 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W10 | SP-GND-1 | NEXUSS3-A-11 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W11 | OEM-X60002-20 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W12 | OEM-X60002-21 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W13 | OEM-X60002-22 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W14 | OEM-X60002-24 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W15 | OEM-X60003-15 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W16 | OEM-X60003-17 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W17 | OEM-X60003-18 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W18 | OEM-X60003-20 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W19 | OEM-X60003-21 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W20 | OEM-X60003-23 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W21 | OEM-X60003-25 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W22 | OEM-X60003-28 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W23 | OEM-X60004-12 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W24 | OEM-X60004-7 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W25 | SP-0V-1 | NEXUSS3-C-26 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W26 | OEM-X60003-7 | SP-5V1-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W27 | OEM-X60004-14 | SP-5V1-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W28 | OEM-X60004-9 | SP-5V1-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W29 | SP-5V1-1 | NEXUSS3-C-25 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W30 | OEM-X60003-8 | NEXUSS3-C-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W31 | SP-0V-1 | NEXUSS3-C-2 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W32 | OEM-X60003-2 | NEXUSS3-C-3 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W33 | SP-0V-1 | NEXUSS3-C-4 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W34 | OEM-X60003-5 | NEXUSS3-C-5 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W35 | OEM-X60003-29 | NEXUSS3-C-23 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W36 | OEM-X60003-30 | NEXUSS3-C-24 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W37 | OEM-X60005-3 | NEXUSS3-A-27 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W38 | OEM-X60005-2 | NEXUSS3-A-28 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W39 | OEM-X60005-1 | NEXUSS3-A-29 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W40 | OEM-X60005-9 | NEXUSS3-A-30 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W41 | OEM-X60005-8 | NEXUSS3-A-31 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W42 | OEM-X60005-7 | NEXUSS3-A-32 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W43 | OEM-X60003-33 | NEXUSS3-A-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W44 | OEM-X60003-34 | NEXUSS3-A-2 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W45 | OEM-X60003-35 | NEXUSS3-A-3 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W46 | OEM-X60003-36 | NEXUSS3-A-4 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W47 | OEM-X60003-37 | NEXUSS3-A-5 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W48 | OEM-X60003-38 | NEXUSS3-A-6 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W49 | OEM-X60003-43 | NEXUSS3-A-19 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W50 | OEM-X60003-44 | NEXUSS3-A-20 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W51 | OEM-X60003-46 | NEXUSS3-A-21 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W52 | OEM-X60003-47 | NEXUSS3-A-22 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W53 | OEM-X60001-1 | NEXUSS3-A-26 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W54 | OEM-X60002-23 | NEXUSS3-A-9 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W55 | OEM-X60004-10 | NEXUSS3-A-12 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W56 | OEM-X60002-1 | NEXUSS3-C-33 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W57 | OEM-X60002-13 | NEXUSS3-A-14 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W58 | OEM-X60002-19 | NEXUSS3-A-15 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W59 | OEM-X60002-7 | NEXUSS3-A-16 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W60 | OEM-X60003-40 | NEXUSS3-A-17 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W61 | OEM-X60003-41 | NEXUSS3-A-7 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W62 | OEM-X60003-42 | NEXUSS3-A-8 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W63 | OEM-X60003-1 | NEXUSS3-C-10 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W64 | OEM-X60003-19 | NEXUSS3-C-11 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W65 | OEM-X60004-8 | NEXUSS3-C-12 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W66 | OEM-X60003-10 | NEXUSS3-C-13 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W67 | OEM-X60004-13 | NEXUSS3-C-14 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W68 | OEM-X60002-14 | NEXUSS3-C-15 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W69 | OEM-X60002-15 | NEXUSS3-C-16 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W70 | OEM-X60002-16 | NEXUSS3-C-17 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W71 | OEM-X60002-18 | NEXUSS3-C-18 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W72 | OEM-X60003-24 | NEXUSS3-C-27 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W73 | OEM-X60003-22 | NEXUSS3-C-28 | 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 | NEXUSS3-A-18 | NEXUSS3-C-2 | open (OL) | +12 V supply must not touch sensor ground | |
| 2 | NEXUSS3-A-10 | NEXUSS3-A-18 | open (OL) | power ground must not touch +12 V supply | |
| 3 | NEXUSS3-A-10 | NEXUSS3-C-25 | open (OL) | power ground must not touch 5 V sensor reference | |
| 4 | NEXUSS3-A-18 | NEXUSS3-C-25 | open (OL) | +12 V supply must not touch 5 V sensor reference | |
| 5 | NEXUSS3-C-2 | NEXUSS3-C-25 | open (OL) | sensor ground must not touch 5 V sensor reference |
Revisions
| Rev | Label | By | Date |
|---|---|---|---|
| No revisions yet. | |||
Schematic
Connectors
NEXUSS3-A
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Injector 1 | — | W43 | — | 0.5 | OEM-X60003-33 | — | — | — |
| 10 | Battery ground | — | W9 | — | 0.85 | SP-GND-1 | — | — | — |
| 11 | Battery ground | — | W10 | — | 0.85 | SP-GND-1 | — | — | — |
| 12 | DPO 2 | — | W55 | — | 0.5 | OEM-X60004-10 | — | — | — |
| 13 | Ignition switch input | — | — | — | — | — | — | — | — |
| 14 | DPO 3 | — | W57 | — | 0.5 | OEM-X60002-13 | — | — | — |
| 15 | DPO 4 | — | W58 | — | 0.5 | OEM-X60002-19 | — | — | — |
| 16 | DPO 5 | — | W59 | — | 0.5 | OEM-X60002-7 | — | — | — |
| 17 | DPO 6 | — | W60 | — | 0.5 | OEM-X60003-40 | — | — | — |
| 18 | +12V switched input | — | W3 | — | 0.85 | SP-14V-1 | — | — | — |
| 19 | HBO 1 | — | W49 | — | 0.5 | OEM-X60003-43 | — | — | — |
| 2 | Injector 2 | — | W44 | — | 0.5 | OEM-X60003-34 | — | — | — |
| 20 | HBO 2 | — | W50 | — | 0.5 | OEM-X60003-44 | — | — | — |
| 21 | HBO 3 | — | W51 | — | 0.5 | OEM-X60003-46 | — | — | — |
| 22 | HBO 4 | — | W52 | — | 0.5 | OEM-X60003-47 | — | — | — |
| 23 | CAN 1 High | — | — | — | — | — | — | — | — |
| 24 | CAN 1 Low | — | — | — | — | — | — | — | — |
| 25 | +12V switched input | — | W4 | — | 0.85 | SP-14V-1 | — | — | — |
| 26 | ECR output | — | W53 | — | 0.5 | OEM-X60001-1 | — | — | — |
| 27 | Ignition 1 | — | W37 | — | 0.5 | OEM-X60005-3 | — | — | — |
| 28 | Ignition 2 | — | W38 | — | 0.5 | OEM-X60005-2 | — | — | — |
| 29 | Ignition 3 | — | W39 | — | 0.5 | OEM-X60005-1 | — | — | — |
| 3 | Injector 3 | — | W45 | — | 0.5 | OEM-X60003-35 | — | — | — |
| 30 | Ignition 4 | — | W40 | — | 0.5 | OEM-X60005-9 | — | — | — |
| 31 | Ignition 5 | — | W41 | — | 0.5 | OEM-X60005-8 | — | — | — |
| 32 | Ignition 6 | — | W42 | — | 0.5 | OEM-X60005-7 | — | — | — |
| 33 | Ignition 7 | — | — | — | — | — | — | — | — |
| 34 | Ignition 8 | — | — | — | — | — | — | — | — |
| 4 | Injector 4 | — | W46 | — | 0.5 | OEM-X60003-36 | — | — | — |
| 5 | Injector 5 | — | W47 | — | 0.5 | OEM-X60003-37 | — | — | — |
| 6 | Injector 6 | — | W48 | — | 0.5 | OEM-X60003-38 | — | — | — |
| 7 | Injector 7 | — | W61 | — | 0.5 | OEM-X60003-41 | — | — | — |
| 8 | Injector 8 | — | W62 | — | 0.5 | OEM-X60003-42 | — | — | — |
| 9 | DPO 1 | — | W54 | — | 0.5 | OEM-X60002-23 | — | — | — |
NEXUSS3-C
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Trigger + | — | W30 | — | 0.5 | OEM-X60003-8 | — | — | — |
| 10 | AVI 1 | — | W63 | — | 0.5 | OEM-X60003-1 | — | — | — |
| 11 | AVI 2 | — | W64 | — | 0.5 | OEM-X60003-19 | — | — | — |
| 12 | AVI 3 | — | W65 | — | 0.5 | OEM-X60004-8 | — | — | — |
| 13 | AVI 4 | — | W66 | — | 0.5 | OEM-X60003-10 | — | — | — |
| 14 | AVI 5 | — | W67 | — | 0.5 | OEM-X60004-13 | — | — | — |
| 15 | AVI 6 | — | W68 | — | 0.5 | OEM-X60002-14 | — | — | — |
| 16 | AVI 7 | — | W69 | — | 0.5 | OEM-X60002-15 | — | — | — |
| 17 | AVI 8 | — | W70 | — | 0.5 | OEM-X60002-16 | — | — | — |
| 18 | AVI 9 | — | W71 | — | 0.5 | OEM-X60002-18 | — | — | — |
| 19 | SPI 5 | — | — | — | — | — | — | — | — |
| 2 | Trigger - | — | W31 | — | 0.5 | SP-0V-1 | — | — | — |
| 20 | SPI 6 | — | — | — | — | — | — | — | — |
| 21 | CAN 2 High | — | — | — | — | — | — | — | — |
| 22 | CAN 2 Low | — | — | — | — | — | — | — | — |
| 23 | Knock 1 | — | W35 | — | 0.5 | OEM-X60003-29 | — | — | — |
| 24 | Knock 2 | — | W36 | — | 0.5 | OEM-X60003-30 | — | — | — |
| 25 | +5V | — | W29 | — | 0.5 | SP-5V1-1 | — | — | — |
| 26 | Signal ground | — | W25 | — | 0.5 | SP-0V-1 | — | — | — |
| 27 | AVI 10 | — | W72 | — | 0.5 | OEM-X60003-24 | — | — | — |
| 28 | AVI 11 | — | W73 | — | 0.5 | OEM-X60003-22 | — | — | — |
| 29 | WBI 1 Heater + | — | — | — | — | — | — | — | — |
| 3 | Home + | — | W32 | — | 0.5 | OEM-X60003-2 | — | — | — |
| 30 | WBI 1 Input | — | — | — | — | — | — | — | — |
| 31 | WBI 1 Pump | — | — | — | — | — | — | — | — |
| 32 | WBI 1 Nernst | — | — | — | — | — | — | — | — |
| 33 | WBI 1 Heater - | — | W56 | — | 0.5 | OEM-X60002-1 | — | — | — |
| 34 | WBI 1 Cal | — | — | — | — | — | — | — | — |
| 4 | Home - | — | W33 | — | 0.5 | SP-0V-1 | — | — | — |
| 5 | SPI 1 | — | W34 | — | 0.5 | OEM-X60003-5 | — | — | — |
| 6 | SPI 2 | — | — | — | — | — | — | — | — |
| 7 | SPI 3 | — | — | — | — | — | — | — | — |
| 8 | SPI 4 | — | — | — | — | — | — | — | — |
| 9 | +8V | — | — | — | — | — | — | — | — |
OEM-X60001
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Injector/unloader relay control (terminal 15) | — | W53 | — | 0.5 | NEXUSS3-A-26 | — | — | — |
| 4 | Power ground | — | W5 | — | 0.85 | SP-GND-1 | — | — | — |
| 5 | Power ground | — | W6 | — | 0.85 | SP-GND-1 | — | — | — |
| 6 | Power ground | — | W7 | — | 0.85 | SP-GND-1 | — | — | — |
| 7 | Battery constant (terminal 30) | — | — | — | — | — | — | — | — |
| 8 | ECU main power (terminal 87 via main relay) | — | W1 | — | 0.85 | SP-14V-1 | — | — | — |
| 9 | Voltage supply (injector / fuse carrier) | — | W2 | — | 0.85 | SP-14V-1 | — | — | — |
OEM-X60002
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | O2 sensor heater, bank 1 pre-cat | — | W56 | — | 0.5 | NEXUSS3-C-33 | — | — | — |
| 13 | O2 sensor heater, bank 2 pre-cat | — | W57 | — | 0.5 | NEXUSS3-A-14 | — | — | — |
| 14 | O2 sensor signal, bank 1 pre-cat | — | W68 | — | 0.5 | NEXUSS3-C-15 | — | — | — |
| 15 | O2 sensor signal, bank 2 pre-cat | — | W69 | — | 0.5 | NEXUSS3-C-16 | — | — | — |
| 16 | O2 sensor signal, bank 1 post-cat | — | W70 | — | 0.5 | NEXUSS3-C-17 | — | — | — |
| 18 | O2 sensor signal, bank 2 post-cat | — | W71 | — | 0.5 | NEXUSS3-C-18 | — | — | — |
| 19 | O2 sensor heater, bank 2 post-cat | — | W58 | — | 0.5 | NEXUSS3-A-15 | — | — | — |
| 20 | O2 sensor ground, bank 1 pre-cat | — | W11 | — | 0.5 | SP-0V-1 | — | — | — |
| 21 | O2 sensor ground, bank 2 pre-cat | — | W12 | — | 0.5 | SP-0V-1 | — | — | — |
| 22 | O2 sensor ground, bank 1 post-cat | — | W13 | — | 0.5 | SP-0V-1 | — | — | — |
| 23 | Main relay control | — | W54 | — | 0.5 | NEXUSS3-A-9 | — | — | — |
| 24 | O2 sensor ground, bank 2 post-cat | — | W14 | — | 0.5 | SP-0V-1 | — | — | — |
| 7 | O2 sensor heater, bank 1 post-cat | — | W59 | — | 0.5 | NEXUSS3-A-16 | — | — | — |
OEM-X60003
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Mass air flow (MAF) signal | — | W63 | — | 0.5 | NEXUSS3-C-10 | — | — | — |
| 10 | Throttle position sensor 2 | — | W66 | — | 0.5 | NEXUSS3-C-13 | — | — | — |
| 15 | Exhaust camshaft ground | — | W15 | — | 0.5 | SP-0V-1 | — | — | — |
| 17 | MAF ground | — | W16 | — | 0.5 | SP-0V-1 | — | — | — |
| 18 | Intake camshaft ground | — | W17 | — | 0.5 | SP-0V-1 | — | — | — |
| 19 | Throttle position sensor 1 | — | W64 | — | 0.5 | NEXUSS3-C-11 | — | — | — |
| 2 | Exhaust camshaft position | — | W32 | — | 0.5 | NEXUSS3-C-3 | — | — | — |
| 20 | Throttle ground | — | W18 | — | 0.5 | SP-0V-1 | — | — | — |
| 21 | Crankshaft ground | — | W19 | — | 0.5 | SP-0V-1 | — | — | — |
| 22 | Intake air temperature (IAT) | — | W73 | — | 0.5 | NEXUSS3-C-28 | — | — | — |
| 23 | IAT ground | — | W20 | — | 0.5 | SP-0V-1 | — | — | — |
| 24 | Engine coolant temperature (ECT) | — | W72 | — | 0.5 | NEXUSS3-C-27 | — | — | — |
| 25 | ECT ground | — | W21 | — | 0.5 | SP-0V-1 | — | — | — |
| 27 | Engine oil temperature | — | — | — | — | — | — | — | — |
| 28 | Oil temperature ground | — | W22 | — | 0.5 | SP-0V-1 | — | — | — |
| 29 | Knock sensor, cylinders 1-3 (A) | — | W35 | — | 0.5 | NEXUSS3-C-23 | — | — | — |
| 30 | Knock sensor, cylinders 1-3 (B) | — | W36 | — | 0.5 | NEXUSS3-C-24 | — | — | — |
| 31 | Knock sensor, cylinders 4-6 (A) | — | — | — | — | — | — | — | — |
| 32 | Knock sensor, cylinders 4-6 (B) | — | — | — | — | — | — | — | — |
| 33 | Injector cylinder 1 | — | W43 | — | 0.5 | NEXUSS3-A-1 | — | — | — |
| 34 | Injector cylinder 2 | — | W44 | — | 0.5 | NEXUSS3-A-2 | — | — | — |
| 35 | Injector cylinder 3 | — | W45 | — | 0.5 | NEXUSS3-A-3 | — | — | — |
| 36 | Injector cylinder 4 | — | W46 | — | 0.5 | NEXUSS3-A-4 | — | — | — |
| 37 | Injector cylinder 5 | — | W47 | — | 0.5 | NEXUSS3-A-5 | — | — | — |
| 38 | Injector cylinder 6 | — | W48 | — | 0.5 | NEXUSS3-A-6 | — | — | — |
| 40 | VANOS intake solenoid | — | W60 | — | 0.5 | NEXUSS3-A-17 | — | — | — |
| 41 | VANOS exhaust solenoid | — | W61 | — | 0.5 | NEXUSS3-A-7 | — | — | — |
| 42 | Evap purge valve | — | W62 | — | 0.5 | NEXUSS3-A-8 | — | — | — |
| 43 | Throttle motor drive 1 (H-bridge) | — | W49 | — | 0.5 | NEXUSS3-A-19 | — | — | — |
| 44 | Throttle motor drive 2 (H-bridge) | — | W50 | — | 0.5 | NEXUSS3-A-20 | — | — | — |
| 45 | Map-controlled thermostat | — | — | — | — | — | — | — | — |
| 46 | Idle speed control, close | — | W51 | — | 0.5 | NEXUSS3-A-21 | — | — | — |
| 47 | Idle speed control, open | — | W52 | — | 0.5 | NEXUSS3-A-22 | — | — | — |
| 48 | Knock sensor shield | — | — | — | — | — | — | — | — |
| 49 | DISA intake flap | — | — | — | — | — | — | — | — |
| 5 | Intake camshaft position | — | W34 | — | 0.5 | NEXUSS3-C-5 | — | — | — |
| 7 | Throttle body +5V supply | — | W26 | — | 0.5 | SP-5V1-1 | — | — | — |
| 8 | Crankshaft position | — | W30 | — | 0.5 | NEXUSS3-C-1 | — | — | — |
OEM-X60004
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 10 | Fuel pump relay control | — | W55 | — | 0.5 | NEXUSS3-A-12 | — | — | — |
| 12 | Pedal ground 2 | — | W23 | — | 0.5 | SP-0V-1 | — | — | — |
| 13 | Pedal position signal 2 | — | W67 | — | 0.5 | NEXUSS3-C-14 | — | — | — |
| 14 | Pedal +5V supply 2 | — | W27 | — | 0.5 | SP-5V1-1 | — | — | — |
| 7 | Pedal ground 1 | — | W24 | — | 0.5 | SP-0V-1 | — | — | — |
| 8 | Pedal position signal 1 | — | W65 | — | 0.5 | NEXUSS3-C-12 | — | — | — |
| 9 | Pedal +5V supply 1 | — | W28 | — | 0.5 | SP-5V1-1 | — | — | — |
OEM-X60005
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Ignition coil 3 | — | W39 | — | 0.5 | NEXUSS3-A-29 | — | — | — |
| 2 | Ignition coil 2 | — | W38 | — | 0.5 | NEXUSS3-A-28 | — | — | — |
| 3 | Ignition coil 1 | — | W37 | — | 0.5 | NEXUSS3-A-27 | — | — | — |
| 5 | Ignition ground | — | W8 | — | 0.85 | SP-GND-1 | — | — | — |
| 7 | Ignition coil 6 | — | W42 | — | 0.5 | NEXUSS3-A-32 | — | — | — |
| 8 | Ignition coil 5 | — | W41 | — | 0.5 | NEXUSS3-A-31 | — | — | — |
| 9 | Ignition coil 4 | — | W40 | — | 0.5 | NEXUSS3-A-30 | — | — | — |
SP-0V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W11 | — | 0.5 | OEM-X60002-20 | — | — | — |
| 1 | — | — | W12 | — | 0.5 | OEM-X60002-21 | — | — | — |
| 1 | — | — | W13 | — | 0.5 | OEM-X60002-22 | — | — | — |
| 1 | — | — | W14 | — | 0.5 | OEM-X60002-24 | — | — | — |
| 1 | — | — | W15 | — | 0.5 | OEM-X60003-15 | — | — | — |
| 1 | — | — | W16 | — | 0.5 | OEM-X60003-17 | — | — | — |
| 1 | — | — | W17 | — | 0.5 | OEM-X60003-18 | — | — | — |
| 1 | — | — | W18 | — | 0.5 | OEM-X60003-20 | — | — | — |
| 1 | — | — | W19 | — | 0.5 | OEM-X60003-21 | — | — | — |
| 1 | — | — | W20 | — | 0.5 | OEM-X60003-23 | — | — | — |
| 1 | — | — | W21 | — | 0.5 | OEM-X60003-25 | — | — | — |
| 1 | — | — | W22 | — | 0.5 | OEM-X60003-28 | — | — | — |
| 1 | — | — | W23 | — | 0.5 | OEM-X60004-12 | — | — | — |
| 1 | — | — | W24 | — | 0.5 | OEM-X60004-7 | — | — | — |
| 1 | — | — | W25 | — | 0.5 | NEXUSS3-C-26 | — | — | — |
| 1 | — | — | W31 | — | 0.5 | NEXUSS3-C-2 | — | — | — |
| 1 | — | — | W33 | — | 0.5 | NEXUSS3-C-4 | — | — | — |
SP-14V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W1 | — | 0.85 | OEM-X60001-8 | — | — | — |
| 1 | — | — | W2 | — | 0.85 | OEM-X60001-9 | — | — | — |
| 1 | — | — | W3 | — | 0.85 | NEXUSS3-A-18 | — | — | — |
| 1 | — | — | W4 | — | 0.85 | NEXUSS3-A-25 | — | — | — |
SP-5V1
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W26 | — | 0.5 | OEM-X60003-7 | — | — | — |
| 1 | — | — | W27 | — | 0.5 | OEM-X60004-14 | — | — | — |
| 1 | — | — | W28 | — | 0.5 | OEM-X60004-9 | — | — | — |
| 1 | — | — | W29 | — | 0.5 | NEXUSS3-C-25 | — | — | — |
SP-GND
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W5 | — | 0.85 | OEM-X60001-4 | — | — | — |
| 1 | — | — | W6 | — | 0.85 | OEM-X60001-5 | — | — | — |
| 1 | — | — | W7 | — | 0.85 | OEM-X60001-6 | — | — | — |
| 1 | — | — | W8 | — | 0.85 | OEM-X60005-5 | — | — | — |
| 1 | — | — | W9 | — | 0.85 | NEXUSS3-A-10 | — | — | — |
| 1 | — | — | W10 | — | 0.85 | NEXUSS3-A-11 | — | — | — |
Pin map
| OEM point | OEM function | OEM family | Target point | Target function | Target family | Wire colour | Evidence |
|---|---|---|---|---|---|---|---|
| OEM-X60001-1 | Injector/unloader relay control (terminal 15) | low_side_out | NEXUSS3-A-26 | ECR output | low_side_out | corroborated | |
| OEM-X60001-4 | Power ground | ground | NEXUSS3-A-10 + NEXUSS3-A-11 | Battery ground + Battery ground | ground | corroborated | |
| OEM-X60001-5 | Power ground | ground | NEXUSS3-A-10 + NEXUSS3-A-11 | Battery ground + Battery ground | ground | corroborated | |
| OEM-X60001-6 | Power ground | ground | NEXUSS3-A-10 + NEXUSS3-A-11 | Battery ground + Battery ground | ground | corroborated | |
| OEM-X60001-7 | Battery constant (terminal 30) | power_in | — | — | — | corroborated | |
| OEM-X60001-8 | ECU main power (terminal 87 via main relay) | power_in | NEXUSS3-A-18 + NEXUSS3-A-25 | +12V switched input + +12V switched input | power_in | corroborated | |
| OEM-X60001-9 | Voltage supply (injector / fuse carrier) | power_in | NEXUSS3-A-18 + NEXUSS3-A-25 | +12V switched input + +12V switched input | power_in | corroborated | |
| OEM-X60002-1 | O2 sensor heater, bank 1 pre-cat | low_side_out | NEXUSS3-C-33 | WBI 1 Heater - | low_side_out | corroborated | |
| OEM-X60002-13 | O2 sensor heater, bank 2 pre-cat | low_side_out | NEXUSS3-A-14 | DPO 3 | low_side_out | corroborated | |
| OEM-X60002-14 | O2 sensor signal, bank 1 pre-cat | lambda_nb_in | NEXUSS3-C-15 | AVI 6 | analog_in | corroborated | |
| OEM-X60002-15 | O2 sensor signal, bank 2 pre-cat | lambda_nb_in | NEXUSS3-C-16 | AVI 7 | analog_in | corroborated | |
| OEM-X60002-16 | O2 sensor signal, bank 1 post-cat | lambda_nb_in | NEXUSS3-C-17 | AVI 8 | analog_in | corroborated | |
| OEM-X60002-18 | O2 sensor signal, bank 2 post-cat | lambda_nb_in | NEXUSS3-C-18 | AVI 9 | analog_in | corroborated | |
| OEM-X60002-19 | O2 sensor heater, bank 2 post-cat | low_side_out | NEXUSS3-A-15 | DPO 4 | low_side_out | corroborated | |
| OEM-X60002-20 | O2 sensor ground, bank 1 pre-cat | sensor_ground | NEXUSS3-C-2 + NEXUSS3-C-26 + NEXUSS3-C-4 | Trigger - + Signal ground + Home - | sensor_ground + trigger_in | corroborated | |
| OEM-X60002-21 | O2 sensor ground, bank 2 pre-cat | sensor_ground | NEXUSS3-C-2 + NEXUSS3-C-26 + NEXUSS3-C-4 | Trigger - + Signal ground + Home - | sensor_ground + trigger_in | corroborated | |
| OEM-X60002-22 | O2 sensor ground, bank 1 post-cat | sensor_ground | NEXUSS3-C-2 + NEXUSS3-C-26 + NEXUSS3-C-4 | Trigger - + Signal ground + Home - | sensor_ground + trigger_in | corroborated | |
| OEM-X60002-23 | Main relay control | low_side_out | NEXUSS3-A-9 | DPO 1 | low_side_out | corroborated | |
| OEM-X60002-24 | O2 sensor ground, bank 2 post-cat | sensor_ground | NEXUSS3-C-2 + NEXUSS3-C-26 + NEXUSS3-C-4 | Trigger - + Signal ground + Home - | sensor_ground + trigger_in | corroborated | |
| OEM-X60002-7 | O2 sensor heater, bank 1 post-cat | low_side_out | NEXUSS3-A-16 | DPO 5 | low_side_out | corroborated | |
| OEM-X60003-1 | Mass air flow (MAF) signal | analog_in | NEXUSS3-C-10 | AVI 1 | analog_in | corroborated | |
| OEM-X60003-10 | Throttle position sensor 2 | analog_in | NEXUSS3-C-13 | AVI 4 | analog_in | corroborated | |
| OEM-X60003-15 | Exhaust camshaft ground | sensor_ground | NEXUSS3-C-2 + NEXUSS3-C-26 + NEXUSS3-C-4 | Trigger - + Signal ground + Home - | sensor_ground + trigger_in | corroborated | |
| OEM-X60003-17 | MAF ground | sensor_ground | NEXUSS3-C-2 + NEXUSS3-C-26 + NEXUSS3-C-4 | Trigger - + Signal ground + Home - | sensor_ground + trigger_in | corroborated | |
| OEM-X60003-18 | Intake camshaft ground | sensor_ground | NEXUSS3-C-2 + NEXUSS3-C-26 + NEXUSS3-C-4 | Trigger - + Signal ground + Home - | sensor_ground + trigger_in | corroborated | |
| OEM-X60003-19 | Throttle position sensor 1 | analog_in | NEXUSS3-C-11 | AVI 2 | analog_in | corroborated | |
| OEM-X60003-2 | Exhaust camshaft position | trigger_in | NEXUSS3-C-3 | Home + | trigger_in | corroborated | |
| OEM-X60003-20 | Throttle ground | sensor_ground | NEXUSS3-C-2 + NEXUSS3-C-26 + NEXUSS3-C-4 | Trigger - + Signal ground + Home - | sensor_ground + trigger_in | corroborated | |
| OEM-X60003-21 | Crankshaft ground | sensor_ground | NEXUSS3-C-2 + NEXUSS3-C-26 + NEXUSS3-C-4 | Trigger - + Signal ground + Home - | sensor_ground + trigger_in | corroborated | |
| OEM-X60003-22 | Intake air temperature (IAT) | temp_in | NEXUSS3-C-28 | AVI 11 | analog_in | corroborated | |
| OEM-X60003-23 | IAT ground | sensor_ground | NEXUSS3-C-2 + NEXUSS3-C-26 + NEXUSS3-C-4 | Trigger - + Signal ground + Home - | sensor_ground + trigger_in | corroborated | |
| OEM-X60003-24 | Engine coolant temperature (ECT) | temp_in | NEXUSS3-C-27 | AVI 10 | analog_in | corroborated | |
| OEM-X60003-25 | ECT ground | sensor_ground | NEXUSS3-C-2 + NEXUSS3-C-26 + NEXUSS3-C-4 | Trigger - + Signal ground + Home - | sensor_ground + trigger_in | corroborated | |
| OEM-X60003-27 | Engine oil temperature | temp_in | — | — | — | corroborated | |
| OEM-X60003-28 | Oil temperature ground | sensor_ground | NEXUSS3-C-2 + NEXUSS3-C-26 + NEXUSS3-C-4 | Trigger - + Signal ground + Home - | sensor_ground + trigger_in | corroborated | |
| OEM-X60003-29 | Knock sensor, cylinders 1-3 (A) | knock_in | NEXUSS3-C-23 | Knock 1 | knock_in | corroborated | |
| OEM-X60003-30 | Knock sensor, cylinders 1-3 (B) | knock_in | NEXUSS3-C-24 | Knock 2 | knock_in | corroborated | |
| OEM-X60003-31 | Knock sensor, cylinders 4-6 (A) | knock_in | — | — | — | corroborated | |
| OEM-X60003-32 | Knock sensor, cylinders 4-6 (B) | knock_in | — | — | — | corroborated | |
| OEM-X60003-33 | Injector cylinder 1 | injector_out | NEXUSS3-A-1 | Injector 1 | injector_out | corroborated | |
| OEM-X60003-34 | Injector cylinder 2 | injector_out | NEXUSS3-A-2 | Injector 2 | injector_out | corroborated | |
| OEM-X60003-35 | Injector cylinder 3 | injector_out | NEXUSS3-A-3 | Injector 3 | injector_out | corroborated | |
| OEM-X60003-36 | Injector cylinder 4 | injector_out | NEXUSS3-A-4 | Injector 4 | injector_out | corroborated | |
| OEM-X60003-37 | Injector cylinder 5 | injector_out | NEXUSS3-A-5 | Injector 5 | injector_out | corroborated | |
| OEM-X60003-38 | Injector cylinder 6 | injector_out | NEXUSS3-A-6 | Injector 6 | injector_out | corroborated | |
| OEM-X60003-40 | VANOS intake solenoid | low_side_out | NEXUSS3-A-17 | DPO 6 | low_side_out | corroborated | |
| OEM-X60003-41 | VANOS exhaust solenoid | low_side_out | NEXUSS3-A-7 | Injector 7 | injector_out | corroborated | |
| OEM-X60003-42 | Evap purge valve | low_side_out | NEXUSS3-A-8 | Injector 8 | injector_out | corroborated | |
| OEM-X60003-43 | Throttle motor drive 1 (H-bridge) | hbridge_out | NEXUSS3-A-19 | HBO 1 | hbridge_out | corroborated | |
| OEM-X60003-44 | Throttle motor drive 2 (H-bridge) | hbridge_out | NEXUSS3-A-20 | HBO 2 | hbridge_out | corroborated | |
| OEM-X60003-45 | Map-controlled thermostat | low_side_out | — | — | — | corroborated | |
| OEM-X60003-46 | Idle speed control, close | hbridge_out | NEXUSS3-A-21 | HBO 3 | hbridge_out | corroborated | |
| OEM-X60003-47 | Idle speed control, open | hbridge_out | NEXUSS3-A-22 | HBO 4 | hbridge_out | corroborated | |
| OEM-X60003-48 | Knock sensor shield | shield | — | — | — | corroborated | |
| OEM-X60003-49 | DISA intake flap | low_side_out | — | — | — | corroborated | |
| OEM-X60003-5 | Intake camshaft position | trigger_in | NEXUSS3-C-5 | SPI 1 | digital_in | corroborated | |
| OEM-X60003-7 | Throttle body +5V supply | vref | NEXUSS3-C-25 | +5V | vref | corroborated | |
| OEM-X60003-8 | Crankshaft position | trigger_in | NEXUSS3-C-1 | Trigger + | trigger_in | corroborated | |
| OEM-X60004-10 | Fuel pump relay control | low_side_out | NEXUSS3-A-12 | DPO 2 | low_side_out | corroborated | |
| OEM-X60004-12 | Pedal ground 2 | sensor_ground | NEXUSS3-C-2 + NEXUSS3-C-26 + NEXUSS3-C-4 | Trigger - + Signal ground + Home - | sensor_ground + trigger_in | corroborated | |
| OEM-X60004-13 | Pedal position signal 2 | analog_in | NEXUSS3-C-14 | AVI 5 | analog_in | corroborated | |
| OEM-X60004-14 | Pedal +5V supply 2 | vref | NEXUSS3-C-25 | +5V | vref | corroborated | |
| OEM-X60004-7 | Pedal ground 1 | sensor_ground | NEXUSS3-C-2 + NEXUSS3-C-26 + NEXUSS3-C-4 | Trigger - + Signal ground + Home - | sensor_ground + trigger_in | corroborated | |
| OEM-X60004-8 | Pedal position signal 1 | analog_in | NEXUSS3-C-12 | AVI 3 | analog_in | corroborated | |
| OEM-X60004-9 | Pedal +5V supply 1 | vref | NEXUSS3-C-25 | +5V | vref | corroborated | |
| OEM-X60005-1 | Ignition coil 3 | ignition_out | NEXUSS3-A-29 | Ignition 3 | ignition_out | corroborated | |
| OEM-X60005-2 | Ignition coil 2 | ignition_out | NEXUSS3-A-28 | Ignition 2 | ignition_out | corroborated | |
| OEM-X60005-3 | Ignition coil 1 | ignition_out | NEXUSS3-A-27 | Ignition 1 | ignition_out | corroborated | |
| OEM-X60005-5 | Ignition ground | ground | NEXUSS3-A-10 + NEXUSS3-A-11 | Battery ground + Battery ground | ground | corroborated | |
| OEM-X60005-7 | Ignition coil 6 | ignition_out | NEXUSS3-A-32 | Ignition 6 | ignition_out | corroborated | |
| OEM-X60005-8 | Ignition coil 5 | ignition_out | NEXUSS3-A-31 | Ignition 5 | ignition_out | corroborated | |
| OEM-X60005-9 | Ignition coil 4 | ignition_out | NEXUSS3-A-30 | Ignition 4 | ignition_out | corroborated |
Cut list
| Wire | From | To | Gauge (mm²) | Colour | Length | Signal | Ident |
|---|---|---|---|---|---|---|---|
| W1 | OEM-X60001-8 | SP-14V-1 | 0.85 | no route | ECU main power (terminal 87 via main relay) | — | |
| W2 | OEM-X60001-9 | SP-14V-1 | 0.85 | no route | Voltage supply (injector / fuse carrier) | — | |
| W3 | SP-14V-1 | NEXUSS3-A-18 | 0.85 | no route | +12V switched input | — | |
| W4 | SP-14V-1 | NEXUSS3-A-25 | 0.85 | no route | +12V switched input | — | |
| W5 | OEM-X60001-4 | SP-GND-1 | 0.85 | no route | Power ground | — | |
| W6 | OEM-X60001-5 | SP-GND-1 | 0.85 | no route | Power ground | — | |
| W7 | OEM-X60001-6 | SP-GND-1 | 0.85 | no route | Power ground | — | |
| W8 | OEM-X60005-5 | SP-GND-1 | 0.85 | no route | Ignition ground | — | |
| W9 | SP-GND-1 | NEXUSS3-A-10 | 0.85 | no route | Battery ground | — | |
| W10 | SP-GND-1 | NEXUSS3-A-11 | 0.85 | no route | Battery ground | — | |
| W11 | OEM-X60002-20 | SP-0V-1 | 0.5 | no route | O2 sensor ground, bank 1 pre-cat | — | |
| W12 | OEM-X60002-21 | SP-0V-1 | 0.5 | no route | O2 sensor ground, bank 2 pre-cat | — | |
| W13 | OEM-X60002-22 | SP-0V-1 | 0.5 | no route | O2 sensor ground, bank 1 post-cat | — | |
| W14 | OEM-X60002-24 | SP-0V-1 | 0.5 | no route | O2 sensor ground, bank 2 post-cat | — | |
| W15 | OEM-X60003-15 | SP-0V-1 | 0.5 | no route | Exhaust camshaft ground | — | |
| W16 | OEM-X60003-17 | SP-0V-1 | 0.5 | no route | MAF ground | — | |
| W17 | OEM-X60003-18 | SP-0V-1 | 0.5 | no route | Intake camshaft ground | — | |
| W18 | OEM-X60003-20 | SP-0V-1 | 0.5 | no route | Throttle ground | — | |
| W19 | OEM-X60003-21 | SP-0V-1 | 0.5 | no route | Crankshaft ground | — | |
| W20 | OEM-X60003-23 | SP-0V-1 | 0.5 | no route | IAT ground | — | |
| W21 | OEM-X60003-25 | SP-0V-1 | 0.5 | no route | ECT ground | — | |
| W22 | OEM-X60003-28 | SP-0V-1 | 0.5 | no route | Oil temperature ground | — | |
| W23 | OEM-X60004-12 | SP-0V-1 | 0.5 | no route | Pedal ground 2 | — | |
| W24 | OEM-X60004-7 | SP-0V-1 | 0.5 | no route | Pedal ground 1 | — | |
| W25 | SP-0V-1 | NEXUSS3-C-26 | 0.5 | no route | Signal ground | — | |
| W26 | OEM-X60003-7 | SP-5V1-1 | 0.5 | no route | Throttle body +5V supply | — | |
| W27 | OEM-X60004-14 | SP-5V1-1 | 0.5 | no route | Pedal +5V supply 2 | — | |
| W28 | OEM-X60004-9 | SP-5V1-1 | 0.5 | no route | Pedal +5V supply 1 | — | |
| W29 | SP-5V1-1 | NEXUSS3-C-25 | 0.5 | no route | +5V | — | |
| W30 | OEM-X60003-8 | NEXUSS3-C-1 | 0.5 | no route | Crankshaft position | — | |
| W31 | SP-0V-1 | NEXUSS3-C-2 | 0.5 | no route | Trigger - | — | |
| W32 | OEM-X60003-2 | NEXUSS3-C-3 | 0.5 | no route | Exhaust camshaft position | — | |
| W33 | SP-0V-1 | NEXUSS3-C-4 | 0.5 | no route | Home - | — | |
| W34 | OEM-X60003-5 | NEXUSS3-C-5 | 0.5 | no route | Intake camshaft position | — | |
| W35 | OEM-X60003-29 | NEXUSS3-C-23 | 0.5 | no route | Knock sensor, cylinders 1-3 (A) | — | |
| W36 | OEM-X60003-30 | NEXUSS3-C-24 | 0.5 | no route | Knock sensor, cylinders 1-3 (B) | — | |
| W37 | OEM-X60005-3 | NEXUSS3-A-27 | 0.5 | no route | Ignition coil 1 | — | |
| W38 | OEM-X60005-2 | NEXUSS3-A-28 | 0.5 | no route | Ignition coil 2 | — | |
| W39 | OEM-X60005-1 | NEXUSS3-A-29 | 0.5 | no route | Ignition coil 3 | — | |
| W40 | OEM-X60005-9 | NEXUSS3-A-30 | 0.5 | no route | Ignition coil 4 | — | |
| W41 | OEM-X60005-8 | NEXUSS3-A-31 | 0.5 | no route | Ignition coil 5 | — | |
| W42 | OEM-X60005-7 | NEXUSS3-A-32 | 0.5 | no route | Ignition coil 6 | — | |
| W43 | OEM-X60003-33 | NEXUSS3-A-1 | 0.5 | no route | Injector cylinder 1 | — | |
| W44 | OEM-X60003-34 | NEXUSS3-A-2 | 0.5 | no route | Injector cylinder 2 | — | |
| W45 | OEM-X60003-35 | NEXUSS3-A-3 | 0.5 | no route | Injector cylinder 3 | — | |
| W46 | OEM-X60003-36 | NEXUSS3-A-4 | 0.5 | no route | Injector cylinder 4 | — | |
| W47 | OEM-X60003-37 | NEXUSS3-A-5 | 0.5 | no route | Injector cylinder 5 | — | |
| W48 | OEM-X60003-38 | NEXUSS3-A-6 | 0.5 | no route | Injector cylinder 6 | — | |
| W49 | OEM-X60003-43 | NEXUSS3-A-19 | 0.5 | no route | Throttle motor drive 1 (H-bridge) | — | |
| W50 | OEM-X60003-44 | NEXUSS3-A-20 | 0.5 | no route | Throttle motor drive 2 (H-bridge) | — | |
| W51 | OEM-X60003-46 | NEXUSS3-A-21 | 0.5 | no route | Idle speed control, close | — | |
| W52 | OEM-X60003-47 | NEXUSS3-A-22 | 0.5 | no route | Idle speed control, open | — | |
| W53 | OEM-X60001-1 | NEXUSS3-A-26 | 0.5 | no route | Injector/unloader relay control (terminal 15) | — | |
| W54 | OEM-X60002-23 | NEXUSS3-A-9 | 0.5 | no route | Main relay control | — | |
| W55 | OEM-X60004-10 | NEXUSS3-A-12 | 0.5 | no route | Fuel pump relay control | — | |
| W56 | OEM-X60002-1 | NEXUSS3-C-33 | 0.5 | no route | O2 sensor heater, bank 1 pre-cat | — | |
| W57 | OEM-X60002-13 | NEXUSS3-A-14 | 0.5 | no route | O2 sensor heater, bank 2 pre-cat | — | |
| W58 | OEM-X60002-19 | NEXUSS3-A-15 | 0.5 | no route | O2 sensor heater, bank 2 post-cat | — | |
| W59 | OEM-X60002-7 | NEXUSS3-A-16 | 0.5 | no route | O2 sensor heater, bank 1 post-cat | — | |
| W60 | OEM-X60003-40 | NEXUSS3-A-17 | 0.5 | no route | VANOS intake solenoid | — | |
| W61 | OEM-X60003-41 | NEXUSS3-A-7 | 0.5 | no route | VANOS exhaust solenoid | — | |
| W62 | OEM-X60003-42 | NEXUSS3-A-8 | 0.5 | no route | Evap purge valve | — | |
| W63 | OEM-X60003-1 | NEXUSS3-C-10 | 0.5 | no route | Mass air flow (MAF) signal | — | |
| W64 | OEM-X60003-19 | NEXUSS3-C-11 | 0.5 | no route | Throttle position sensor 1 | — | |
| W65 | OEM-X60004-8 | NEXUSS3-C-12 | 0.5 | no route | Pedal position signal 1 | — | |
| W66 | OEM-X60003-10 | NEXUSS3-C-13 | 0.5 | no route | Throttle position sensor 2 | — | |
| W67 | OEM-X60004-13 | NEXUSS3-C-14 | 0.5 | no route | Pedal position signal 2 | — | |
| W68 | OEM-X60002-14 | NEXUSS3-C-15 | 0.5 | no route | O2 sensor signal, bank 1 pre-cat | — | |
| W69 | OEM-X60002-15 | NEXUSS3-C-16 | 0.5 | no route | O2 sensor signal, bank 2 pre-cat | — | |
| W70 | OEM-X60002-16 | NEXUSS3-C-17 | 0.5 | no route | O2 sensor signal, bank 1 post-cat | — | |
| W71 | OEM-X60002-18 | NEXUSS3-C-18 | 0.5 | no route | O2 sensor signal, bank 2 post-cat | — | |
| W72 | OEM-X60003-24 | NEXUSS3-C-27 | 0.5 | no route | Engine coolant temperature (ECT) | — | |
| W73 | OEM-X60003-22 | NEXUSS3-C-28 | 0.5 | no route | Intake air temperature (IAT) | — |
Bill of materials
| Category | Part number | Manufacturer | Description | Qty | Unit |
|---|---|---|---|---|---|
| connector | BMW-E46-MS43-CONN | BMW | E46 DME (MS43) harness connector | 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 (9)
| Severity | Code | Subject | Message |
|---|---|---|---|
| warn | DBW_MOTOR_CURRENT | NEXUSS3-A-19 | Cannot confirm Nexus S3 can drive the throttle motor: NEXUSS3-A-19 "HBO 1" is rated 8.0 A, but the motor current at OEM-X60003-43 is unknown. Add the motor's peak current from a source, or measure the motor resistance: peak ≈ 14 V ÷ R (Hondata measured 4.9 A for a Civic Si body, 10.4 A for a ZDX body; holding current is about 1 A). |
| warn | DBW_MOTOR_CURRENT | NEXUSS3-A-20 | Cannot confirm Nexus S3 can drive the throttle motor: NEXUSS3-A-20 "HBO 2" is rated 8.0 A, but the motor current at OEM-X60003-44 is unknown. Add the motor's peak current from a source, or measure the motor resistance: peak ≈ 14 V ÷ R (Hondata measured 4.9 A for a Civic Si body, 10.4 A for a ZDX body; holding current is about 1 A). |
| warn | NET_FAMILY | OEM-X60003-5 ↔ NEXUSS3-C-5 | OEM-X60003-5 "Intake camshaft position" [trigger_in] is wired to NEXUSS3-C-5 "SPI 1" [digital_in]. Hall-type cam/speed signals can use a digital input if it handles the frequency; VR signals cannot. |
| info | NET_FAMILY | OEM-X60003-18 ↔ NEXUSS3-C-2 | OEM-X60003-18 "Intake camshaft ground" [sensor_ground] is wired to NEXUSS3-C-2 "Trigger -" [trigger_in]. Trigger return tied to sensor/trigger ground: correct for single-ended trigger inputs. |
| info | NET_FAMILY | OEM-X60003-22 ↔ NEXUSS3-C-28 | OEM-X60003-22 "Intake air temperature (IAT)" [temp_in] is wired to NEXUSS3-C-28 "AVI 11" [analog_in]. Thermistor on a plain analog input needs a pull-up; check the channel can enable one. |
| info | NET_FAMILY | OEM-X60003-24 ↔ NEXUSS3-C-27 | OEM-X60003-24 "Engine coolant temperature (ECT)" [temp_in] is wired to NEXUSS3-C-27 "AVI 10" [analog_in]. Thermistor on a plain analog input needs a pull-up; check the channel can enable one. |
| info | NET_FAMILY | OEM-X60003-41 ↔ NEXUSS3-A-7 | OEM-X60003-41 "VANOS exhaust solenoid" [low_side_out] is wired to NEXUSS3-A-7 "Injector 7" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-X60003-42 ↔ NEXUSS3-A-8 | OEM-X60003-42 "Evap purge valve" [low_side_out] is wired to NEXUSS3-A-8 "Injector 8" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | UNMAPPED | OEM | 6 optional OEM pins are not mapped: OEM-X60003-27 Engine oil temperature; OEM-X60003-31 Knock sensor, cylinders 4-6 (A); OEM-X60003-32 Knock sensor, cylinders 4-6 (B); OEM-X60003-45 Map-controlled thermostat; OEM-X60003-48 Knock sensor shield; OEM-X60003-49 DISA intake flap |
Accepted (1)
| Code | Subject | Reason | By |
|---|---|---|---|
| REQUIRED_UNMAPPED | OEM-X60001-7 | Battery-constant (memory) feed of the stock ECU: the new ECU has no such input, so it is not needed. | mapping-proposal |
Notes
Fit check: unconfirmed. Confirm these before building: - Needs CAN (E46 K-bus/CAN); not documented for this ECU - This car has EWS 3.3 (rolling code) immobilizer; needs a delete/bypass 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-X60001 7: Battery constant (terminal 30): Haltech Nexus S3 has no battery-constant input; not needed - OEM-X60003 31: Knock sensor, cylinders 4-6 (A): no free knock input on Haltech Nexus S3 - OEM-X60003 32: Knock sensor, cylinders 4-6 (B): no free knock input on Haltech Nexus S3 - OEM-X60003 48: Knock sensor shield: no shield pin on Haltech Nexus S3 - OEM-X60003 45: Map-controlled thermostat: no free low_side/ls_hs/injector/hbridge on Haltech Nexus S3 - OEM-X60003 49: DISA intake flap: no free low_side/ls_hs/injector/hbridge on Haltech Nexus S3 - OEM-X60003 27: Engine oil temperature: no free thermistor/analog_0_5 on Haltech Nexus S3 - NEXUSS3-A 13: Ignition switch input: 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 | Haltech: Nexus S3 Plug 'n' Play adapter QSG (Subaru WRX/STI ADM, HT-186300) — ECU Connector A & C pinout | https://www.haltech.com/product/ht-186300-nexus-s3-plug-n-play-adapter-harness/ | archive | 2026-10-05 | 3cab7cd337c2 |
| 4 | vendor_doc | Haltech: Nexus S3/S2 ECU Overview (QSG) — specifications | https://store.haltech.com/product/ht-213000-nexus-s3-ecu-only/ | archive | 2026-10-05 | 388299668207 |
| 2 | community_copy | ms4x.net: Siemens MS43 Pinout | https://www.ms4x.net/index.php?title=Siemens_MS43_Pinout | — | — | — |
| 2 | community_copy | rusefi wiki: 2002 BMW 325 / 2004 BMW 330Ci E46 DME pinout (M54/MS43) | https://github.com/rusefi/rusefi/wiki/2002-BMW-325-and-2004-BMW-330Ci-E46-DME-pinout | — | — | — |