Toyota Supra A80 1993-98 USDM (2JZ-GTE, non-VVT) → MaxxECU MaxxECU MINI REV10+ (auto)
Toyota Supra A80 1993-98 USDM (2JZ-GTE, non-VVT) — MaxxECU — MaxxECU MINI
⚠ NOT CHECKED. Don't build from this.
Drawn by Michael Gnankou · Rev 0 · draft · 2026-10-11
Before you start
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.
| Status | draft · not yet verified: nobody has reported building and running this harness |
|---|---|
| Open errors | 7: read the Findings page before cutting any wire |
| Size of the job | 39 wires · 6 connectors · 0 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-E10-31 | SP-14V-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W2 | SP-14V-1 | MAXXECUMINI-C1-H4 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W3 | OEM-E9-4 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W4 | OEM-E9-69 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W5 | OEM-E9-78 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W6 | OEM-E9-79 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W7 | OEM-E9-80 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W8 | SP-GND-1 | MAXXECUMINI-C1-G4 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W9 | OEM-E9-5 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W10 | OEM-E9-6 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W11 | OEM-E9-65 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W12 | OEM-E9-7 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W13 | SP-0V-1 | MAXXECUMINI-C1-A2 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W14 | SP-0V-1 | MAXXECUMINI-C1-B3 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W15 | SP-0V-1 | MAXXECUMINI-C1-B4 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W16 | SP-0V-1 | MAXXECUMINI-C1-D4 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W17 | OEM-E9-41 | MAXXECUMINI-C1-E2 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W18 | OEM-E9-27 | MAXXECUMINI-C1-A1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W19 | OEM-E9-57 | MAXXECUMINI-C1-F1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W20 | OEM-E9-56 | MAXXECUMINI-C1-F2 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W21 | OEM-E9-55 | MAXXECUMINI-C1-F3 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W22 | OEM-E9-54 | MAXXECUMINI-C1-F4 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W23 | OEM-E9-20 | MAXXECUMINI-C1-G3 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W24 | OEM-E9-19 | MAXXECUMINI-C1-H1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W25 | OEM-E9-18 | MAXXECUMINI-C1-H2 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W26 | OEM-E9-17 | MAXXECUMINI-C1-H3 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W27 | OEM-E9-16 | MAXXECUMINI-C1-G3 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W28 | OEM-E9-15 | MAXXECUMINI-C1-H1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W29 | OEM-E10-23 | MAXXECUMINI-C1-G2 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W30 | OEM-E10-24 | MAXXECUMINI-C1-G1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W31 | OEM-E9-71 | MAXXECUMINI-C1-E1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W32 | OEM-E9-72 | MAXXECUMINI-C1-D1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W33 | OEM-E9-62 | MAXXECUMINI-C1-C3 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W34 | OEM-E9-43 | MAXXECUMINI-C1-D2 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W35 | OEM-E9-47 | MAXXECUMINI-C1-C4 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W36 | OEM-E9-44 | MAXXECUMINI-C1-C1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W37 | OEM-E9-45 | MAXXECUMINI-C1-C2 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W38 | OEM-E10-2 | MAXXECUMINI-C1-B1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W39 | OEM-E10-21 | MAXXECUMINI-C1-B2 | 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 | MAXXECUMINI-C1-E2 | MAXXECUMINI-C1-A2 | open (OL) | 5 V sensor reference must not touch sensor ground | |
| 2 | MAXXECUMINI-C1-H4 | MAXXECUMINI-C1-A2 | open (OL) | +12 V supply must not touch sensor ground | |
| 3 | MAXXECUMINI-C1-H4 | MAXXECUMINI-C1-G4 | open (OL) | +12 V supply must not touch power ground | |
| 4 | MAXXECUMINI-C1-G4 | MAXXECUMINI-C1-E2 | open (OL) | power ground must not touch 5 V sensor reference | |
| 5 | MAXXECUMINI-C1-H4 | MAXXECUMINI-C1-E2 | open (OL) | +12 V supply must not touch 5 V sensor reference |
If any reading doesn't match, stop and get help before powering up.
Revisions
| Rev | Label | By | Date |
|---|---|---|---|
| No revisions yet. | |||
Schematic
Connectors
MAXXECUMINI-C1
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| A1 | TRIGGER | — | W18 | — | 0.5 | OEM-E9-27 | — | — | — |
| A2 | TRIGGER GND | — | W13 | — | 0.5 | SP-0V-1 | — | — | — |
| B1 | DIN 1 (Hall only) | — | W38 | — | 0.5 | OEM-E10-2 | — | — | — |
| B2 | DIN 2 (Hall only) | — | W39 | — | 0.5 | OEM-E10-21 | — | — | — |
| B3 | SENSOR GND | — | W14 | — | 0.5 | SP-0V-1 | — | — | — |
| B4 | SENSOR GND | — | W15 | — | 0.5 | SP-0V-1 | — | — | — |
| C1 | CLT | — | W36 | — | 0.5 | OEM-E9-44 | — | — | — |
| C2 | IAT | — | W37 | — | 0.5 | OEM-E9-45 | — | — | — |
| C3 | AIN 3 (0-5V) | — | W33 | — | 0.5 | OEM-E9-62 | — | — | — |
| C4 | AIN 4 (0-5V) | — | W35 | — | 0.5 | OEM-E9-47 | — | — | — |
| D1 | GPO 8/TACHO | — | W32 | — | 0.5 | OEM-E9-72 | — | — | — |
| D2 | TPS | — | W34 | — | 0.5 | OEM-E9-43 | — | — | — |
| D3 | GND Shield | — | — | — | — | — | — | — | — |
| D4 | SENSOR GND | — | W16 | — | 0.5 | SP-0V-1 | — | — | — |
| E1 | GPO 3 | — | W31 | — | 0.5 | OEM-E9-71 | — | — | — |
| E2 | +5V sensor supply | — | W17 | — | 0.5 | OEM-E9-41 | — | — | — |
| E3 | CAN L | — | — | — | — | — | — | — | — |
| E4 | CAN H | — | — | — | — | — | — | — | — |
| F1 | IGN 1 | — | W19 | — | 0.5 | OEM-E9-57 | — | — | — |
| F2 | IGN 2 | — | W20 | — | 0.5 | OEM-E9-56 | — | — | — |
| F3 | IGN 3 | — | W21 | — | 0.5 | OEM-E9-55 | — | — | — |
| F4 | IGN 4 | — | W22 | — | 0.5 | OEM-E9-54 | — | — | — |
| G1 | GPO 2 | — | W30 | — | 0.5 | OEM-E10-24 | — | — | — |
| G2 | GPO 1 | — | W29 | — | 0.5 | OEM-E10-23 | — | — | — |
| G3 | INJ 1 | — | W23 | — | 0.5 | OEM-E9-20 | — | — | — |
| G3 | INJ 1 | — | W27 | — | 0.5 | OEM-E9-16 | — | — | — |
| G4 | ENGINE GND | — | W8 | — | 0.85 | SP-GND-1 | — | — | — |
| H1 | INJ 2 | — | W24 | — | 0.5 | OEM-E9-19 | — | — | — |
| H1 | INJ 2 | — | W28 | — | 0.5 | OEM-E9-15 | — | — | — |
| H2 | INJ 3 | — | W25 | — | 0.5 | OEM-E9-18 | — | — | — |
| H3 | INJ 4 | — | W26 | — | 0.5 | OEM-E9-17 | — | — | — |
| H4 | +12V (ECU power supply) | — | W2 | — | 0.85 | SP-14V-1 | — | — | — |
OEM-E10
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Ignition switch (IGSW) | — | — | — | — | — | — | — | — |
| 15 | Electrical load sensor (ELS) | — | — | — | — | — | — | — | — |
| 16 | Tachometer output | — | — | — | — | — | — | — | — |
| 2 | Vehicle speed sensor (SP1) | — | W38 | — | 0.5 | MAXXECUMINI-C1-B1 | — | — | — |
| 21 | Fuel pump diagnostic (DI) | — | W39 | — | 0.5 | MAXXECUMINI-C1-B2 | — | — | — |
| 22 | Fuel pump control (FPC) | — | — | — | — | — | — | — | — |
| 23 | A/C clutch relay (ACMG) | — | W29 | — | 0.5 | MAXXECUMINI-C1-G2 | — | — | — |
| 24 | Main relay control (M-REL) | — | W30 | — | 0.5 | MAXXECUMINI-C1-G1 | — | — | — |
| 31 | ECU power +B (main relay) | — | W1 | — | 0.85 | SP-14V-1 | — | — | — |
| 33 | Battery constant (BATT) | — | — | — | — | — | — | — | — |
| 4 | Brake switch (STP) | — | — | — | — | — | — | — | — |
| 6 | Malfunction indicator lamp (MIL) | — | — | — | — | — | — | — | — |
OEM-E9
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 15 | Injector 6 | — | W28 | — | 0.5 | MAXXECUMINI-C1-H1 | — | — | — |
| 16 | Injector 5 | — | W27 | — | 0.5 | MAXXECUMINI-C1-G3 | — | — | — |
| 17 | Injector 4 | — | W26 | — | 0.5 | MAXXECUMINI-C1-H3 | — | — | — |
| 18 | Injector 3 | — | W25 | — | 0.5 | MAXXECUMINI-C1-H2 | — | — | — |
| 19 | Injector 2 | — | W24 | — | 0.5 | MAXXECUMINI-C1-H1 | — | — | — |
| 20 | Injector 1 | — | W23 | — | 0.5 | MAXXECUMINI-C1-G3 | — | — | — |
| 25 | Camshaft position 2 (G2) | — | — | — | — | — | — | — | — |
| 26 | Camshaft position 1 (G1) | — | — | — | — | — | — | — | — |
| 27 | Crank position (NE) | — | W18 | — | 0.5 | MAXXECUMINI-C1-A1 | — | — | — |
| 32 | ISC stepper winding | — | — | — | — | — | — | — | — |
| 33 | ISC stepper winding | — | — | — | — | — | — | — | — |
| 34 | ISC stepper winding | — | — | — | — | — | — | — | — |
| 35 | ISC stepper winding | — | — | — | — | — | — | — | — |
| 4 | Power ground (E11) | — | W3 | — | 0.85 | SP-GND-1 | — | — | — |
| 41 | Sensor supply +5V (VCC) | — | W17 | — | 0.5 | MAXXECUMINI-C1-E2 | — | — | — |
| 43 | Throttle position (VTA1) | — | W34 | — | 0.5 | MAXXECUMINI-C1-D2 | — | — | — |
| 44 | Coolant temperature (THW) | — | W36 | — | 0.5 | MAXXECUMINI-C1-C1 | — | — | — |
| 45 | Intake air temperature (THA) | — | W37 | — | 0.5 | MAXXECUMINI-C1-C2 | — | — | — |
| 47 | O2 sensor 2 (OX2) | — | W35 | — | 0.5 | MAXXECUMINI-C1-C4 | — | — | — |
| 48 | O2 sensor 1 (OX1) | — | — | — | — | — | — | — | — |
| 49 | Knock sensor 2 (KNK2) | — | — | — | — | — | — | — | — |
| 5 | Cam sensor 2 ground (G2-) | — | W9 | — | 0.5 | SP-0V-1 | — | — | — |
| 50 | Knock sensor 1 (KNK1) | — | — | — | — | — | — | — | — |
| 52 | Ignition 6 (IGT6) | — | — | — | — | — | — | — | — |
| 53 | Ignition 5 (IGT5) | — | — | — | — | — | — | — | — |
| 54 | Ignition 4 (IGT4) | — | W22 | — | 0.5 | MAXXECUMINI-C1-F4 | — | — | — |
| 55 | Ignition 3 (IGT3) | — | W21 | — | 0.5 | MAXXECUMINI-C1-F3 | — | — | — |
| 56 | Ignition 2 (IGT2) | — | W20 | — | 0.5 | MAXXECUMINI-C1-F2 | — | — | — |
| 57 | Ignition 1 (IGT1) | — | W19 | — | 0.5 | MAXXECUMINI-C1-F1 | — | — | — |
| 58 | Ignition confirmation (IGF) | — | — | — | — | — | — | — | — |
| 6 | Cam sensor 1 ground (G1-) | — | W10 | — | 0.5 | SP-0V-1 | — | — | — |
| 60 | Wastegate VSV (boost control) | — | — | — | — | — | — | — | — |
| 62 | MAP sensor (PIM) | — | W33 | — | 0.5 | MAXXECUMINI-C1-C3 | — | — | — |
| 65 | Sensor ground (E2) | — | W11 | — | 0.5 | SP-0V-1 | — | — | — |
| 69 | ECU power ground (E1) | — | W4 | — | 0.85 | SP-GND-1 | — | — | — |
| 7 | Crank sensor ground (NE-) | — | W12 | — | 0.5 | SP-0V-1 | — | — | — |
| 71 | O2 heater 1 (HT1) | — | W31 | — | 0.5 | MAXXECUMINI-C1-E1 | — | — | — |
| 72 | O2 heater 2 (HT2) | — | W32 | — | 0.5 | MAXXECUMINI-C1-D1 | — | — | — |
| 73 | Fuel pressure-up VSV (FPU) | — | — | — | — | — | — | — | — |
| 74 | Purge VSV (EVAP) | — | — | — | — | — | — | — | — |
| 76 | Starter signal (STA) | — | — | — | — | — | — | — | — |
| 78 | Power ground (E01) | — | W5 | — | 0.85 | SP-GND-1 | — | — | — |
| 79 | Power ground (E01/E02) | — | W6 | — | 0.85 | SP-GND-1 | — | — | — |
| 80 | Power ground (E01/E02) | — | W7 | — | 0.85 | SP-GND-1 | — | — | — |
SP-0V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W9 | — | 0.5 | OEM-E9-5 | — | — | — |
| 1 | — | — | W10 | — | 0.5 | OEM-E9-6 | — | — | — |
| 1 | — | — | W11 | — | 0.5 | OEM-E9-65 | — | — | — |
| 1 | — | — | W12 | — | 0.5 | OEM-E9-7 | — | — | — |
| 1 | — | — | W13 | — | 0.5 | MAXXECUMINI-C1-A2 | — | — | — |
| 1 | — | — | W14 | — | 0.5 | MAXXECUMINI-C1-B3 | — | — | — |
| 1 | — | — | W15 | — | 0.5 | MAXXECUMINI-C1-B4 | — | — | — |
| 1 | — | — | W16 | — | 0.5 | MAXXECUMINI-C1-D4 | — | — | — |
SP-14V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W1 | — | 0.85 | OEM-E10-31 | — | — | — |
| 1 | — | — | W2 | — | 0.85 | MAXXECUMINI-C1-H4 | — | — | — |
SP-GND
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W3 | — | 0.85 | OEM-E9-4 | — | — | — |
| 1 | — | — | W4 | — | 0.85 | OEM-E9-69 | — | — | — |
| 1 | — | — | W5 | — | 0.85 | OEM-E9-78 | — | — | — |
| 1 | — | — | W6 | — | 0.85 | OEM-E9-79 | — | — | — |
| 1 | — | — | W7 | — | 0.85 | OEM-E9-80 | — | — | — |
| 1 | — | — | W8 | — | 0.85 | MAXXECUMINI-C1-G4 | — | — | — |
Pin map
| OEM point | OEM function | OEM family | Target point | Target function | Target family | Wire colour | Evidence |
|---|---|---|---|---|---|---|---|
| OEM-E10-1 | Ignition switch (IGSW) | digital_in | — | — | — | corroborated | |
| OEM-E10-15 | Electrical load sensor (ELS) | digital_in | — | — | — | single_source | |
| OEM-E10-16 | Tachometer output | tacho_out | — | — | — | corroborated | |
| OEM-E10-2 | Vehicle speed sensor (SP1) | digital_in | MAXXECUMINI-C1-B1 | DIN 1 (Hall only) | digital_in | corroborated | |
| OEM-E10-21 | Fuel pump diagnostic (DI) | digital_in | MAXXECUMINI-C1-B2 | DIN 2 (Hall only) | digital_in | single_source | |
| OEM-E10-22 | Fuel pump control (FPC) | low_side_out | — | — | — | corroborated | |
| OEM-E10-23 | A/C clutch relay (ACMG) | low_side_out | MAXXECUMINI-C1-G2 | GPO 1 | low_side_out | corroborated | |
| OEM-E10-24 | Main relay control (M-REL) | low_side_out | MAXXECUMINI-C1-G1 | GPO 2 | low_side_out | corroborated | |
| OEM-E10-31 | ECU power +B (main relay) | power_in | MAXXECUMINI-C1-H4 | +12V (ECU power supply) | power_in | corroborated | |
| OEM-E10-33 | Battery constant (BATT) | power_in | — | — | — | single_source | |
| OEM-E10-4 | Brake switch (STP) | digital_in | — | — | — | single_source | |
| OEM-E10-6 | Malfunction indicator lamp (MIL) | low_side_out | — | — | — | corroborated | |
| OEM-E9-15 | Injector 6 | injector_out | MAXXECUMINI-C1-H1 | INJ 2 | injector_out | corroborated | |
| OEM-E9-16 | Injector 5 | injector_out | MAXXECUMINI-C1-G3 | INJ 1 | injector_out | corroborated | |
| OEM-E9-17 | Injector 4 | injector_out | MAXXECUMINI-C1-H3 | INJ 4 | injector_out | corroborated | |
| OEM-E9-18 | Injector 3 | injector_out | MAXXECUMINI-C1-H2 | INJ 3 | injector_out | corroborated | |
| OEM-E9-19 | Injector 2 | injector_out | MAXXECUMINI-C1-H1 | INJ 2 | injector_out | corroborated | |
| OEM-E9-20 | Injector 1 | injector_out | MAXXECUMINI-C1-G3 | INJ 1 | injector_out | corroborated | |
| OEM-E9-25 | Camshaft position 2 (G2) | trigger_in | — | — | — | corroborated | |
| OEM-E9-26 | Camshaft position 1 (G1) | trigger_in | — | — | — | corroborated | |
| OEM-E9-27 | Crank position (NE) | trigger_in | MAXXECUMINI-C1-A1 | TRIGGER | trigger_in | corroborated | |
| OEM-E9-32 | ISC stepper winding | low_side_out | — | — | — | corroborated | |
| OEM-E9-33 | ISC stepper winding | low_side_out | — | — | — | corroborated | |
| OEM-E9-34 | ISC stepper winding | low_side_out | — | — | — | corroborated | |
| OEM-E9-35 | ISC stepper winding | low_side_out | — | — | — | corroborated | |
| OEM-E9-4 | Power ground (E11) | ground | MAXXECUMINI-C1-G4 | ENGINE GND | ground | single_source | |
| OEM-E9-41 | Sensor supply +5V (VCC) | vref | MAXXECUMINI-C1-E2 | +5V sensor supply | vref | corroborated | |
| OEM-E9-43 | Throttle position (VTA1) | analog_in | MAXXECUMINI-C1-D2 | TPS | analog_in | corroborated | |
| OEM-E9-44 | Coolant temperature (THW) | temp_in | MAXXECUMINI-C1-C1 | CLT | temp_in | corroborated | |
| OEM-E9-45 | Intake air temperature (THA) | temp_in | MAXXECUMINI-C1-C2 | IAT | temp_in | corroborated | |
| OEM-E9-47 | O2 sensor 2 (OX2) | lambda_nb_in | MAXXECUMINI-C1-C4 | AIN 4 (0-5V) | analog_in | single_source | |
| OEM-E9-48 | O2 sensor 1 (OX1) | lambda_nb_in | — | — | — | corroborated | |
| OEM-E9-49 | Knock sensor 2 (KNK2) | knock_in | — | — | — | corroborated | |
| OEM-E9-5 | Cam sensor 2 ground (G2-) | sensor_ground | MAXXECUMINI-C1-A2 + MAXXECUMINI-C1-B3 + MAXXECUMINI-C1-B4 + MAXXECUMINI-C1-D4 | TRIGGER GND + SENSOR GND + SENSOR GND + SENSOR GND | sensor_ground | corroborated | |
| OEM-E9-50 | Knock sensor 1 (KNK1) | knock_in | — | — | — | corroborated | |
| OEM-E9-52 | Ignition 6 (IGT6) | ignition_out | — | — | — | corroborated | |
| OEM-E9-53 | Ignition 5 (IGT5) | ignition_out | — | — | — | corroborated | |
| OEM-E9-54 | Ignition 4 (IGT4) | ignition_out | MAXXECUMINI-C1-F4 | IGN 4 | ignition_out | corroborated | |
| OEM-E9-55 | Ignition 3 (IGT3) | ignition_out | MAXXECUMINI-C1-F3 | IGN 3 | ignition_out | corroborated | |
| OEM-E9-56 | Ignition 2 (IGT2) | ignition_out | MAXXECUMINI-C1-F2 | IGN 2 | ignition_out | corroborated | |
| OEM-E9-57 | Ignition 1 (IGT1) | ignition_out | MAXXECUMINI-C1-F1 | IGN 1 | ignition_out | corroborated | |
| OEM-E9-58 | Ignition confirmation (IGF) | digital_in | — | — | — | single_source | |
| OEM-E9-6 | Cam sensor 1 ground (G1-) | sensor_ground | MAXXECUMINI-C1-A2 + MAXXECUMINI-C1-B3 + MAXXECUMINI-C1-B4 + MAXXECUMINI-C1-D4 | TRIGGER GND + SENSOR GND + SENSOR GND + SENSOR GND | sensor_ground | corroborated | |
| OEM-E9-60 | Wastegate VSV (boost control) | low_side_out | — | — | — | single_source | |
| OEM-E9-62 | MAP sensor (PIM) | analog_in | MAXXECUMINI-C1-C3 | AIN 3 (0-5V) | analog_in | single_source | |
| OEM-E9-65 | Sensor ground (E2) | sensor_ground | MAXXECUMINI-C1-A2 + MAXXECUMINI-C1-B3 + MAXXECUMINI-C1-B4 + MAXXECUMINI-C1-D4 | TRIGGER GND + SENSOR GND + SENSOR GND + SENSOR GND | sensor_ground | corroborated | |
| OEM-E9-69 | ECU power ground (E1) | ground | MAXXECUMINI-C1-G4 | ENGINE GND | ground | corroborated | |
| OEM-E9-7 | Crank sensor ground (NE-) | sensor_ground | MAXXECUMINI-C1-A2 + MAXXECUMINI-C1-B3 + MAXXECUMINI-C1-B4 + MAXXECUMINI-C1-D4 | TRIGGER GND + SENSOR GND + SENSOR GND + SENSOR GND | sensor_ground | corroborated | |
| OEM-E9-71 | O2 heater 1 (HT1) | low_side_out | MAXXECUMINI-C1-E1 | GPO 3 | low_side_out | single_source | |
| OEM-E9-72 | O2 heater 2 (HT2) | low_side_out | MAXXECUMINI-C1-D1 | GPO 8/TACHO | low_side_out | single_source | |
| OEM-E9-73 | Fuel pressure-up VSV (FPU) | low_side_out | — | — | — | single_source | |
| OEM-E9-74 | Purge VSV (EVAP) | low_side_out | — | — | — | single_source | |
| OEM-E9-76 | Starter signal (STA) | digital_in | — | — | — | single_source | |
| OEM-E9-78 | Power ground (E01) | ground | MAXXECUMINI-C1-G4 | ENGINE GND | ground | single_source | |
| OEM-E9-79 | Power ground (E01/E02) | ground | MAXXECUMINI-C1-G4 | ENGINE GND | ground | corroborated | |
| OEM-E9-80 | Power ground (E01/E02) | ground | MAXXECUMINI-C1-G4 | ENGINE GND | ground | corroborated |
Cut list
| Wire | From | To | Gauge (mm²) | Colour | Length | Signal | Ident |
|---|---|---|---|---|---|---|---|
| W1 | OEM-E10-31 | SP-14V-1 | 0.85 | no route | ECU power +B (main relay) | — | |
| W2 | SP-14V-1 | MAXXECUMINI-C1-H4 | 0.85 | no route | +12V (ECU power supply) | — | |
| W3 | OEM-E9-4 | SP-GND-1 | 0.85 | no route | Power ground (E11) | — | |
| W4 | OEM-E9-69 | SP-GND-1 | 0.85 | no route | ECU power ground (E1) | — | |
| W5 | OEM-E9-78 | SP-GND-1 | 0.85 | no route | Power ground (E01) | — | |
| W6 | OEM-E9-79 | SP-GND-1 | 0.85 | no route | Power ground (E01/E02) | — | |
| W7 | OEM-E9-80 | SP-GND-1 | 0.85 | no route | Power ground (E01/E02) | — | |
| W8 | SP-GND-1 | MAXXECUMINI-C1-G4 | 0.85 | no route | ENGINE GND | — | |
| W9 | OEM-E9-5 | SP-0V-1 | 0.5 | no route | Cam sensor 2 ground (G2-) | — | |
| W10 | OEM-E9-6 | SP-0V-1 | 0.5 | no route | Cam sensor 1 ground (G1-) | — | |
| W11 | OEM-E9-65 | SP-0V-1 | 0.5 | no route | Sensor ground (E2) | — | |
| W12 | OEM-E9-7 | SP-0V-1 | 0.5 | no route | Crank sensor ground (NE-) | — | |
| W13 | SP-0V-1 | MAXXECUMINI-C1-A2 | 0.5 | no route | TRIGGER GND | — | |
| W14 | SP-0V-1 | MAXXECUMINI-C1-B3 | 0.5 | no route | SENSOR GND | — | |
| W15 | SP-0V-1 | MAXXECUMINI-C1-B4 | 0.5 | no route | SENSOR GND | — | |
| W16 | SP-0V-1 | MAXXECUMINI-C1-D4 | 0.5 | no route | SENSOR GND | — | |
| W17 | OEM-E9-41 | MAXXECUMINI-C1-E2 | 0.5 | no route | Sensor supply +5V (VCC) | — | |
| W18 | OEM-E9-27 | MAXXECUMINI-C1-A1 | 0.5 | no route | Crank position (NE) | — | |
| W19 | OEM-E9-57 | MAXXECUMINI-C1-F1 | 0.5 | no route | Ignition 1 (IGT1) | — | |
| W20 | OEM-E9-56 | MAXXECUMINI-C1-F2 | 0.5 | no route | Ignition 2 (IGT2) | — | |
| W21 | OEM-E9-55 | MAXXECUMINI-C1-F3 | 0.5 | no route | Ignition 3 (IGT3) | — | |
| W22 | OEM-E9-54 | MAXXECUMINI-C1-F4 | 0.5 | no route | Ignition 4 (IGT4) | — | |
| W23 | OEM-E9-20 | MAXXECUMINI-C1-G3 | 0.5 | no route | Injector 1 | — | |
| W24 | OEM-E9-19 | MAXXECUMINI-C1-H1 | 0.5 | no route | Injector 2 | — | |
| W25 | OEM-E9-18 | MAXXECUMINI-C1-H2 | 0.5 | no route | Injector 3 | — | |
| W26 | OEM-E9-17 | MAXXECUMINI-C1-H3 | 0.5 | no route | Injector 4 | — | |
| W27 | OEM-E9-16 | MAXXECUMINI-C1-G3 | 0.5 | no route | Injector 5 | — | |
| W28 | OEM-E9-15 | MAXXECUMINI-C1-H1 | 0.5 | no route | Injector 6 | — | |
| W29 | OEM-E10-23 | MAXXECUMINI-C1-G2 | 0.5 | no route | A/C clutch relay (ACMG) | — | |
| W30 | OEM-E10-24 | MAXXECUMINI-C1-G1 | 0.5 | no route | Main relay control (M-REL) | — | |
| W31 | OEM-E9-71 | MAXXECUMINI-C1-E1 | 0.5 | no route | O2 heater 1 (HT1) | — | |
| W32 | OEM-E9-72 | MAXXECUMINI-C1-D1 | 0.5 | no route | O2 heater 2 (HT2) | — | |
| W33 | OEM-E9-62 | MAXXECUMINI-C1-C3 | 0.5 | no route | MAP sensor (PIM) | — | |
| W34 | OEM-E9-43 | MAXXECUMINI-C1-D2 | 0.5 | no route | Throttle position (VTA1) | — | |
| W35 | OEM-E9-47 | MAXXECUMINI-C1-C4 | 0.5 | no route | O2 sensor 2 (OX2) | — | |
| W36 | OEM-E9-44 | MAXXECUMINI-C1-C1 | 0.5 | no route | Coolant temperature (THW) | — | |
| W37 | OEM-E9-45 | MAXXECUMINI-C1-C2 | 0.5 | no route | Intake air temperature (THA) | — | |
| W38 | OEM-E10-2 | MAXXECUMINI-C1-B1 | 0.5 | no route | Vehicle speed sensor (SP1) | — | |
| W39 | OEM-E10-21 | MAXXECUMINI-C1-B2 | 0.5 | no route | Fuel pump diagnostic (DI) | — |
Bill of materials
| Category | Part number | Manufacturer | Description | Qty | Unit |
|---|
ECU setup sheet
| Role | Engine ref | Engine signal | Sensor | ECU point | ECU function | ECU class | Setup flag |
|---|---|---|---|---|---|---|---|
| No configured channels. | |||||||
Findings
Open (10)
| Severity | Code | Subject | Message |
|---|---|---|---|
| error | INJECTOR_BALLAST | MaxxECU MINI | The 2JZ-GTE injectors (2JZ-GTE fuel injector) are low-impedance, but MaxxECU MINI drives saturated (high-Z) injectors only. Add a ballast resistor pack in series with each injector, or use an ECU with low-Z / peak-and-hold injector drivers. |
| error | NET_MERGED | MAXXECUMINI-C1-G3 + OEM-E9-16 + OEM-E9-20 | 2 different OEM functions share one net: OEM-E9-16 Injector 5; OEM-E9-20 Injector 1 |
| error | NET_MERGED | MAXXECUMINI-C1-H1 + OEM-E9-15 + OEM-E9-19 | 2 different OEM functions share one net: OEM-E9-15 Injector 6; OEM-E9-19 Injector 2 |
| error | REQUIRED_UNMAPPED | OEM-E9-25 | Required OEM function "Camshaft position 2 (G2)" (trigger_in) is not connected to the new ECU. |
| error | REQUIRED_UNMAPPED | OEM-E9-26 | Required OEM function "Camshaft position 1 (G1)" (trigger_in) is not connected to the new ECU. |
| error | REQUIRED_UNMAPPED | OEM-E9-52 | Required OEM function "Ignition 6 (IGT6)" (ignition_out) is not connected to the new ECU. |
| error | REQUIRED_UNMAPPED | OEM-E9-53 | Required OEM function "Ignition 5 (IGT5)" (ignition_out) is not connected to the new ECU. |
| warn | LOAD_UNKNOWN | MAXXECUMINI-C1-G1 | MAXXECUMINI-C1-G1 "GPO 2" drives OEM-E10-24 Main relay control (M-REL) (load 0.2 A) but its current rating is unknown. Check the ECU manual. |
| warn | LOAD_UNKNOWN | MAXXECUMINI-C1-G2 | MAXXECUMINI-C1-G2 "GPO 1" drives OEM-E10-23 A/C clutch relay (ACMG) (load 0.2 A) but its current rating is unknown. Check the ECU manual. |
| info | UNMAPPED | OEM | 18 optional OEM pins are not mapped: OEM-E10-1 Ignition switch (IGSW); OEM-E10-15 Electrical load sensor (ELS); OEM-E10-16 Tachometer output; OEM-E10-22 Fuel pump control (FPC); OEM-E10-4 Brake switch (STP); OEM-E10-6 Malfunction indicator lamp (MIL); OEM-E9-32 ISC stepper winding; OEM-E9-33 ISC stepper winding; OEM-E9-34 ISC stepper winding; OEM-E9-35 ISC stepper winding; OEM-E9-48 O2 sensor 1 (OX1); OEM-E9-49 Knock sensor 2 (KNK2); OEM-E9-50 Knock sensor 1 (KNK1); OEM-E9-58 Ignition confirmation (IGF); OEM-E9-60 Wastegate VSV (boost control); OEM-E9-73 Fuel pressure-up VSV (FPU); OEM-E9-74 Purge VSV (EVAP); OEM-E9-76 Starter signal (STA) |
Accepted (1)
| Code | Subject | Reason | By |
|---|---|---|---|
| REQUIRED_UNMAPPED | OEM-E10-33 | Battery-constant (memory) feed of the stock ECU: the new ECU has no such input, so it is not needed. | mapping-proposal |
Notes
Auto-mapped by auto_map() from the library pin data on 2026-10-11. Review every wire against both manuals before building. Open items: - OEM-E9 26: Camshaft position 1 (G1): no free cam_vr/cam_hall/frequency_in input on MaxxECU MaxxECU MINI - OEM-E9 25: Camshaft position 2 (G2): no free cam_vr/cam_hall/frequency_in input on MaxxECU MaxxECU MINI - OEM-E9 53: Ignition 5 (IGT5): no free ignition output on MaxxECU MaxxECU MINI - OEM-E9 52: Ignition 6 (IGT6): no free ignition output on MaxxECU MaxxECU MINI Not wired: - OEM-E10 33: Battery constant (BATT): MaxxECU MaxxECU MINI has no battery-constant input; not needed - OEM-E9 50: Knock sensor 1 (KNK1): no free knock input on MaxxECU MaxxECU MINI - OEM-E9 49: Knock sensor 2 (KNK2): no free knock input on MaxxECU MaxxECU MINI - OEM-E10 1: Ignition switch (IGSW): key-on 12 V sense — optional in a swap (the main relay is energized from keyed 12 V, not from this pin); MaxxECU MaxxECU MINI has no dedicated key-on input - OEM-E10 22: Fuel pump control (FPC): no free low_side/ls_hs/injector/hbridge on MaxxECU MaxxECU MINI - OEM-E10 6: Malfunction indicator lamp (MIL): no free low_side/ls_hs/injector/hbridge on MaxxECU MaxxECU MINI - OEM-E9 32: ISC stepper winding: no free low_side/ls_hs/injector/hbridge on MaxxECU MaxxECU MINI - OEM-E9 33: ISC stepper winding: no free low_side/ls_hs/injector/hbridge on MaxxECU MaxxECU MINI - OEM-E9 34: ISC stepper winding: no free low_side/ls_hs/injector/hbridge on MaxxECU MaxxECU MINI - OEM-E9 35: ISC stepper winding: no free low_side/ls_hs/injector/hbridge on MaxxECU MaxxECU MINI - OEM-E9 60: Wastegate VSV (boost control): no free low_side/ls_hs/injector/hbridge on MaxxECU MaxxECU MINI - OEM-E9 73: Fuel pressure-up VSV (FPU): no free low_side/ls_hs/injector/hbridge on MaxxECU MaxxECU MINI - OEM-E9 74: Purge VSV (EVAP): no free low_side/ls_hs/injector/hbridge on MaxxECU MaxxECU MINI - OEM-E10 16: Tachometer output: no free tacho/frequency_out/low_side/ls_hs on MaxxECU MaxxECU MINI - OEM-E9 48: O2 sensor 1 (OX1): no free o2_narrowband/analog_0_5 on MaxxECU MaxxECU MINI - OEM-E9 58: Ignition confirmation (IGF): no free frequency_in/switch_in on MaxxECU MaxxECU MINI - OEM-E10 15: Electrical load sensor (ELS): no free switch_in/frequency_in/analog_0_5 on MaxxECU MaxxECU MINI - OEM-E10 4: Brake switch (STP): no free switch_in/frequency_in/analog_0_5 on MaxxECU MaxxECU MINI - OEM-E9 76: Starter signal (STA): no free switch_in/frequency_in/analog_0_5 on MaxxECU MaxxECU MINI
Sources
| Reliability | Kind | Title | URL | Archive | Captured | SHA-256 |
|---|---|---|---|---|---|---|
| 4 | vendor_doc | ECUMASTER: ECU2JZ JZA80 2JZ-GTE adapter technical information (knock sensor count) | https://drive.google.com/file/d/15sTEetwLt0aKjuQo6aXODn4EBAkEJrtN/view | archive | 2026-10-05 | 6a4adabba0f5 |
| 4 | vendor_doc | Link SupraLink TS2JZX install manual (JZA80 2JZ-GTE non-VVT) | https://linkecu.com/documentation/TS2JZX.pdf | — | — | — |
| 4 | vendor_doc | MaxxECU GEN1 pinout (MINI / STREET / SPORT / V1 / RACE / PRO) | http://www.maxxecu.com/webhelp/wirings-maxxecu_pinout.html | archive | 2026-10-05 | 2e37b6814690 |
| 4 | service_manual | Toyota FSM P1300 Igniter Circuit (2JZ-GTE) — IGT1-6 / IGF ECM terminals | http://97supraturbo.com/Trouble%20Codes/P1300%20Ignitor.pdf | — | — | — |