Scion FR-S (ZN6, FA20) → AMP EFI MS3Pro Mini (auto)
Scion FR-S (ZN6, FA20) — AMP EFI — MS3Pro 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 | 4: read the Findings page before cutting any wire |
| Size of the job | 51 wires · 9 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-A33-1 | SP-14V-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W2 | OEM-A34-6 | SP-14V-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W3 | SP-14V-1 | MS3PROMINI-A-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W4 | OEM-A33-4 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W5 | OEM-A34-1 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W6 | OEM-A34-2 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W7 | OEM-A34-3 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W8 | OEM-A36-3 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W9 | OEM-A36-4 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W10 | SP-GND-1 | MS3PROMINI-A-22 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W11 | SP-GND-1 | MS3PROMINI-A-23 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W12 | OEM-A33-29 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W13 | OEM-A34-27 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W14 | OEM-A35-29 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W15 | OEM-A35-30 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W16 | OEM-A36-29 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W17 | SP-0V-1 | MS3PROMINI-A-21 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W18 | OEM-A34-34 | SP-5V1-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W19 | OEM-A35-21 | SP-5V1-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W20 | OEM-A35-22 | SP-5V1-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W21 | OEM-A36-19 | SP-5V1-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W22 | SP-5V1-1 | MS3PROMINI-A-2 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W23 | OEM-A34-16 | MS3PROMINI-A-30 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W24 | OEM-A34-14 | MS3PROMINI-A-32 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W25 | OEM-A34-26 | MS3PROMINI-A-33 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W26 | OEM-A34-25 | MS3PROMINI-A-34 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W27 | OEM-A34-15 | MS3PROMINI-A-35 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W28 | OEM-A36-21 | MS3PROMINI-A-17 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W29 | OEM-A36-10 | MS3PROMINI-A-18 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W30 | OEM-A36-31 | MS3PROMINI-A-19 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W31 | OEM-A36-8 | MS3PROMINI-A-20 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W32 | OEM-A36-12 | MS3PROMINI-A-10 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W33 | OEM-A36-14 | MS3PROMINI-A-11 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W34 | OEM-A36-22 | MS3PROMINI-A-12 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W35 | OEM-A36-25 | MS3PROMINI-A-5 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W36 | OEM-A36-24 | MS3PROMINI-A-6 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W37 | OEM-A36-32 | MS3PROMINI-A-7 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W38 | OEM-A36-13 | MS3PROMINI-A-8 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W39 | OEM-A36-23 | MS3PROMINI-A-9 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W40 | OEM-A35-13 | MS3PROMINI-A-4 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W41 | OEM-A35-12 | MS3PROMINI-A-3 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W42 | OEM-A33-22 | MS3PROMINI-A-13 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W43 | OEM-A34-20 | MS3PROMINI-A-14 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W44 | OEM-A35-31 | MS3PROMINI-A-28 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W45 | OEM-A36-28 | MS3PROMINI-A-15 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W46 | OEM-A35-23 | MS3PROMINI-A-16 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W47 | OEM-A36-30 | MS3PROMINI-A-26 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W48 | OEM-A33-12 | MS3PROMINI-A-27 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W49 | OEM-A33-14 | MS3PROMINI-A-29 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W50 | OEM-A33-19 | MS3PROMINI-A-25 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W51 | OEM-A33-18 | MS3PROMINI-A-24 | 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 | MS3PROMINI-A-1 | MS3PROMINI-A-21 | open (OL) | +12 V supply must not touch sensor ground | |
| 2 | MS3PROMINI-A-1 | MS3PROMINI-A-22 | open (OL) | +12 V supply must not touch power ground | |
| 3 | MS3PROMINI-A-1 | MS3PROMINI-A-2 | open (OL) | +12 V supply must not touch 5 V sensor reference | |
| 4 | MS3PROMINI-A-21 | MS3PROMINI-A-2 | open (OL) | sensor ground must not touch 5 V sensor reference | |
| 5 | MS3PROMINI-A-22 | MS3PROMINI-A-2 | open (OL) | power ground 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
MS3PROMINI-A
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 12V+ switched power in | — | W3 | — | 0.85 | SP-14V-1 | — | — | — |
| 10 | Injector out F | — | W32 | — | 0.5 | OEM-A36-12 | — | — | — |
| 11 | Injector out G | — | W33 | — | 0.5 | OEM-A36-14 | — | — | — |
| 12 | Injector out H | — | W34 | — | 0.5 | OEM-A36-22 | — | — | — |
| 13 | Analog in 1 | — | W42 | — | 0.5 | OEM-A33-22 | — | — | — |
| 14 | Analog in 2 | — | W43 | — | 0.5 | OEM-A34-20 | — | — | — |
| 15 | Analog in 3 | — | W45 | — | 0.5 | OEM-A36-28 | — | — | — |
| 16 | Analog in 4 | — | W46 | — | 0.5 | OEM-A35-23 | — | — | — |
| 17 | Spark out A | — | W28 | — | 0.5 | OEM-A36-21 | — | — | — |
| 18 | Spark out B | — | W29 | — | 0.5 | OEM-A36-10 | — | — | — |
| 19 | Spark out C | — | W30 | — | 0.5 | OEM-A36-31 | — | — | — |
| 2 | +5V VREF out | — | W22 | — | 0.5 | SP-5V1-1 | — | — | — |
| 20 | Spark out D | — | W31 | — | 0.5 | OEM-A36-8 | — | — | — |
| 21 | Sensor ground | — | W17 | — | 0.5 | SP-0V-1 | — | — | — |
| 22 | Power ground | — | W10 | — | 0.85 | SP-GND-1 | — | — | — |
| 23 | Power ground | — | W11 | — | 0.85 | SP-GND-1 | — | — | — |
| 24 | CAN Low | — | W51 | — | 0.5 | OEM-A33-18 | — | — | — |
| 25 | CAN High | — | W50 | — | 0.5 | OEM-A33-19 | — | — | — |
| 26 | CLT in | — | W47 | — | 0.5 | OEM-A36-30 | — | — | — |
| 27 | IAT in | — | W48 | — | 0.5 | OEM-A33-12 | — | — | — |
| 28 | TPS in | — | W44 | — | 0.5 | OEM-A35-31 | — | — | — |
| 29 | Digital switched in 1 / Flex fuel | — | W49 | — | 0.5 | OEM-A33-14 | — | — | — |
| 3 | PWM out 1 / Idle | — | W41 | — | 0.5 | OEM-A35-12 | — | — | — |
| 30 | CKP+ | — | W23 | — | 0.5 | OEM-A34-16 | — | — | — |
| 31 | CKP- | — | — | — | — | — | — | — | — |
| 32 | CMP+ | — | W24 | — | 0.5 | OEM-A34-14 | — | — | — |
| 33 | CMP- | — | W25 | — | 0.5 | OEM-A34-26 | — | — | — |
| 34 | Digital frequency in 1 (Hall) | — | W26 | — | 0.5 | OEM-A34-25 | — | — | — |
| 35 | Digital frequency in 2 (Hall) | — | W27 | — | 0.5 | OEM-A34-15 | — | — | — |
| 4 | Fuel pump out | — | W40 | — | 0.5 | OEM-A35-13 | — | — | — |
| 5 | Injector out A | — | W35 | — | 0.5 | OEM-A36-25 | — | — | — |
| 6 | Injector out B | — | W36 | — | 0.5 | OEM-A36-24 | — | — | — |
| 7 | Injector out C | — | W37 | — | 0.5 | OEM-A36-32 | — | — | — |
| 8 | Injector out D | — | W38 | — | 0.5 | OEM-A36-13 | — | — | — |
| 9 | Injector out E | — | W39 | — | 0.5 | OEM-A36-23 | — | — | — |
OEM-A33
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | ECU power (+B2, main relay) | — | W1 | — | 0.85 | SP-14V-1 | — | — | — |
| 12 | Intake air temperature (THA, in MAF) | — | W48 | — | 0.5 | MS3PROMINI-A-27 | — | — | — |
| 14 | Starter signal (STSW2) | — | W49 | — | 0.5 | MS3PROMINI-A-29 | — | — | — |
| 15 | Clutch switch (CLSW) | — | — | — | — | — | — | — | — |
| 16 | Neutral switch (NSW) | — | — | — | — | — | — | — | — |
| 17 | Starter signal (STSW2) | — | — | — | — | — | — | — | — |
| 18 | CAN low (CANL) | — | W51 | — | 0.5 | MS3PROMINI-A-24 | — | — | — |
| 19 | CAN high (CANH) | — | W50 | — | 0.5 | MS3PROMINI-A-25 | — | — | — |
| 2 | Battery constant (BATT, memory) | — | — | — | — | — | — | — | — |
| 20 | Blower relay (HB) | — | — | — | — | — | — | — | — |
| 22 | Mass air flow (VG) | — | W42 | — | 0.5 | MS3PROMINI-A-13 | — | — | — |
| 27 | Ignition switch sense (IGSW, IG2 relay) | — | — | — | — | — | — | — | — |
| 28 | Shield ground (SLE2) | — | — | — | — | — | — | — | — |
| 29 | MAF sensor ground (E2G) | — | W12 | — | 0.5 | SP-0V-1 | — | — | — |
| 3 | Stop light switch (ST1-) | — | — | — | — | — | — | — | — |
| 4 | Power ground (EC) | — | W4 | — | 0.85 | SP-GND-1 | — | — | — |
| 7 | Stop light switch (STP) | — | — | — | — | — | — | — | — |
| 8 | A/C pressure sensor (ACP) | — | — | — | — | — | — | — | — |
OEM-A34
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Power ground (E03) | — | W5 | — | 0.85 | SP-GND-1 | — | — | — |
| 11 | DI injector confirmation (IJF1) | — | — | — | — | — | — | — | — |
| 13 | High-pressure fuel pump spill valve (FPF) | — | — | — | — | — | — | — | — |
| 14 | VVT cam sensor exhaust bank 1 (EV1+) | — | W24 | — | 0.5 | MS3PROMINI-A-32 | — | — | — |
| 15 | VVT cam sensor intake bank 2 (VV2+) | — | W27 | — | 0.5 | MS3PROMINI-A-35 | — | — | — |
| 16 | Crank position (NE+) | — | W23 | — | 0.5 | MS3PROMINI-A-30 | — | — | — |
| 17 | Knock sensor 2 (KNK2) | — | — | — | — | — | — | — | — |
| 18 | A/F ratio sensor (A1A-) | — | — | — | — | — | — | — | — |
| 19 | A/F ratio sensor (A1A+) | — | — | — | — | — | — | — | — |
| 2 | Power ground (E04) | — | W6 | — | 0.85 | SP-GND-1 | — | — | — |
| 20 | Manifold absolute pressure (PIM) | — | W43 | — | 0.5 | MS3PROMINI-A-14 | — | — | — |
| 21 | Heated oxygen sensor (OX1B, rear) | — | — | — | — | — | — | — | — |
| 25 | VVT cam sensor exhaust bank 2 (EV2+) | — | W26 | — | 0.5 | MS3PROMINI-A-34 | — | — | — |
| 26 | VVT cam sensor intake bank 1 (VV1+) | — | W25 | — | 0.5 | MS3PROMINI-A-33 | — | — | — |
| 27 | Crank position return (NE-) | — | W13 | — | 0.5 | SP-0V-1 | — | — | — |
| 28 | Knock sensor 1 (KNK1) | — | — | — | — | — | — | — | — |
| 29 | Shield ground (EKNK) | — | — | — | — | — | — | — | — |
| 3 | Power ground (E05) | — | W7 | — | 0.85 | SP-GND-1 | — | — | — |
| 30 | Shield ground (SLE1) | — | — | — | — | — | — | — | — |
| 31 | DI injector confirmation (IJF2) | — | — | — | — | — | — | — | — |
| 32 | High-pressure fuel pump spill valve (FPD) | — | — | — | — | — | — | — | — |
| 34 | OCV power source (VCV, 5V) | — | W18 | — | 0.5 | SP-5V1-1 | — | — | — |
| 35 | Shield ground (SLE3) | — | — | — | — | — | — | — | — |
| 5 | A/F ratio sensor heater (HA1A) | — | — | — | — | — | — | — | — |
| 6 | ECU power (+B, main relay) | — | W2 | — | 0.85 | SP-14V-1 | — | — | — |
| 9 | Fuel pressure sensor (PR) | — | — | — | — | — | — | — | — |
OEM-A35
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Canister vent valve (VPMP) | — | — | — | — | — | — | — | — |
| 10 | Fuel pump control monitor (DI) | — | — | — | — | — | — | — | — |
| 11 | Cooling fan relay 3 (FAN1) | — | — | — | — | — | — | — | — |
| 12 | Cooling fan relay 2 (FAN2) | — | W41 | — | 0.5 | MS3PROMINI-A-3 | — | — | — |
| 13 | EFI main relay 1 (SSHUT) | — | W40 | — | 0.5 | MS3PROMINI-A-4 | — | — | — |
| 15 | Tachometer output (TACH) | — | — | — | — | — | — | — | — |
| 17 | ETCS relay (MCR) | — | — | — | — | — | — | — | — |
| 19 | Fuel pump control (FPC) | — | — | — | — | — | — | — | — |
| 20 | Canister pressure sensor (PPMP) | — | — | — | — | — | — | — | — |
| 21 | Accelerator pedal 5V supply (VCPA) | — | W19 | — | 0.5 | SP-5V1-1 | — | — | — |
| 22 | Accelerator pedal 5V supply (VCP2) | — | W20 | — | 0.5 | SP-5V1-1 | — | — | — |
| 23 | Accelerator pedal position (VPA) | — | W46 | — | 0.5 | MS3PROMINI-A-16 | — | — | — |
| 26 | Starter signal (STA) | — | — | — | — | — | — | — | — |
| 29 | Accelerator pedal ground (EPA) | — | W14 | — | 0.5 | SP-0V-1 | — | — | — |
| 30 | Accelerator pedal ground (EPA2) | — | W15 | — | 0.5 | SP-0V-1 | — | — | — |
| 31 | Accelerator pedal position 2 (VPA2) | — | W44 | — | 0.5 | MS3PROMINI-A-28 | — | — | — |
| 35 | A/C clutch relay (AC) | — | — | — | — | — | — | — | — |
| 5 | Injector relay (IREL) | — | — | — | — | — | — | — | — |
| 7 | ETCS relay (+BM) | — | — | — | — | — | — | — | — |
| 8 | Leak detection pump (MPMP) | — | — | — | — | — | — | — | — |
OEM-A36
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Throttle actuator motor - (M-) | — | — | — | — | — | — | — | — |
| 10 | Ignition coil 2 (IGT2) | — | W29 | — | 0.5 | MS3PROMINI-A-18 | — | — | — |
| 11 | Purge valve (PRG) | — | — | — | — | — | — | — | — |
| 12 | Injector 1 port (#10) | — | W32 | — | 0.5 | MS3PROMINI-A-10 | — | — | — |
| 13 | Injector 4 port (#40) | — | W38 | — | 0.5 | MS3PROMINI-A-8 | — | — | — |
| 14 | Injector 1 direct (#1) | — | W33 | — | 0.5 | MS3PROMINI-A-11 | — | — | — |
| 16 | OCV intake bank 2 (OC2) | — | — | — | — | — | — | — | — |
| 17 | OCV intake bank 1 (OC1) | — | — | — | — | — | — | — | — |
| 18 | Throttle position (VTA1) | — | — | — | — | — | — | — | — |
| 19 | Sensor 5V supply (VC) | — | W21 | — | 0.5 | SP-5V1-1 | — | — | — |
| 2 | Throttle actuator motor + (M+) | — | — | — | — | — | — | — | — |
| 20 | Oil temperature (OT) | — | — | — | — | — | — | — | — |
| 21 | Ignition coil 1 (IGT1) | — | W28 | — | 0.5 | MS3PROMINI-A-17 | — | — | — |
| 22 | Injector 2 port (#20) | — | W34 | — | 0.5 | MS3PROMINI-A-12 | — | — | — |
| 23 | Injector 4 direct (#4) | — | W39 | — | 0.5 | MS3PROMINI-A-9 | — | — | — |
| 24 | Injector 3 direct (#3) | — | W36 | — | 0.5 | MS3PROMINI-A-6 | — | — | — |
| 25 | Injector 2 direct (#2) | — | W35 | — | 0.5 | MS3PROMINI-A-5 | — | — | — |
| 28 | Throttle position 2 (VTA2) | — | W45 | — | 0.5 | MS3PROMINI-A-15 | — | — | — |
| 29 | Sensor ground (E1) | — | W16 | — | 0.5 | SP-0V-1 | — | — | — |
| 3 | Power ground (E02) | — | W8 | — | 0.85 | SP-GND-1 | — | — | — |
| 30 | Engine coolant temperature (THW) | — | W47 | — | 0.5 | MS3PROMINI-A-26 | — | — | — |
| 31 | Ignition coil 3 (IGT3) | — | W30 | — | 0.5 | MS3PROMINI-A-19 | — | — | — |
| 32 | Injector 3 port (#30) | — | W37 | — | 0.5 | MS3PROMINI-A-7 | — | — | — |
| 4 | Power ground (E01) | — | W9 | — | 0.85 | SP-GND-1 | — | — | — |
| 5 | OCV exhaust bank 2 (OE2) | — | — | — | — | — | — | — | — |
| 6 | Heated oxygen sensor heater (HT1B) | — | — | — | — | — | — | — | — |
| 7 | OCV exhaust bank 1 (OE1) | — | — | — | — | — | — | — | — |
| 8 | Ignition coil 4 (IGT4) | — | W31 | — | 0.5 | MS3PROMINI-A-20 | — | — | — |
SP-0V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W12 | — | 0.5 | OEM-A33-29 | — | — | — |
| 1 | — | — | W13 | — | 0.5 | OEM-A34-27 | — | — | — |
| 1 | — | — | W14 | — | 0.5 | OEM-A35-29 | — | — | — |
| 1 | — | — | W15 | — | 0.5 | OEM-A35-30 | — | — | — |
| 1 | — | — | W16 | — | 0.5 | OEM-A36-29 | — | — | — |
| 1 | — | — | W17 | — | 0.5 | MS3PROMINI-A-21 | — | — | — |
SP-14V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W1 | — | 0.85 | OEM-A33-1 | — | — | — |
| 1 | — | — | W2 | — | 0.85 | OEM-A34-6 | — | — | — |
| 1 | — | — | W3 | — | 0.85 | MS3PROMINI-A-1 | — | — | — |
SP-5V1
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W18 | — | 0.5 | OEM-A34-34 | — | — | — |
| 1 | — | — | W19 | — | 0.5 | OEM-A35-21 | — | — | — |
| 1 | — | — | W20 | — | 0.5 | OEM-A35-22 | — | — | — |
| 1 | — | — | W21 | — | 0.5 | OEM-A36-19 | — | — | — |
| 1 | — | — | W22 | — | 0.5 | MS3PROMINI-A-2 | — | — | — |
SP-GND
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W4 | — | 0.85 | OEM-A33-4 | — | — | — |
| 1 | — | — | W5 | — | 0.85 | OEM-A34-1 | — | — | — |
| 1 | — | — | W6 | — | 0.85 | OEM-A34-2 | — | — | — |
| 1 | — | — | W7 | — | 0.85 | OEM-A34-3 | — | — | — |
| 1 | — | — | W8 | — | 0.85 | OEM-A36-3 | — | — | — |
| 1 | — | — | W9 | — | 0.85 | OEM-A36-4 | — | — | — |
| 1 | — | — | W10 | — | 0.85 | MS3PROMINI-A-22 | — | — | — |
| 1 | — | — | W11 | — | 0.85 | MS3PROMINI-A-23 | — | — | — |
Pin map
| OEM point | OEM function | OEM family | Target point | Target function | Target family | Wire colour | Evidence |
|---|---|---|---|---|---|---|---|
| OEM-A33-1 | ECU power (+B2, main relay) | power_in | MS3PROMINI-A-1 | 12V+ switched power in | power_in | single_source | |
| OEM-A33-12 | Intake air temperature (THA, in MAF) | temp_in | MS3PROMINI-A-27 | IAT in | temp_in | single_source | |
| OEM-A33-14 | Starter signal (STSW2) | digital_in | MS3PROMINI-A-29 | Digital switched in 1 / Flex fuel | digital_in | single_source | |
| OEM-A33-15 | Clutch switch (CLSW) | digital_in | — | — | — | single_source | |
| OEM-A33-16 | Neutral switch (NSW) | digital_in | — | — | — | single_source | |
| OEM-A33-17 | Starter signal (STSW2) | digital_in | — | — | — | single_source | |
| OEM-A33-18 | CAN low (CANL) | can_l | MS3PROMINI-A-24 | CAN Low | can_l | single_source | |
| OEM-A33-19 | CAN high (CANH) | can_h | MS3PROMINI-A-25 | CAN High | can_h | single_source | |
| OEM-A33-2 | Battery constant (BATT, memory) | power_in | — | — | — | single_source | |
| OEM-A33-20 | Blower relay (HB) | low_side_out | — | — | — | single_source | |
| OEM-A33-22 | Mass air flow (VG) | analog_in | MS3PROMINI-A-13 | Analog in 1 | analog_in | single_source | |
| OEM-A33-27 | Ignition switch sense (IGSW, IG2 relay) | digital_in | — | — | — | single_source | |
| OEM-A33-28 | Shield ground (SLE2) | shield | — | — | — | single_source | |
| OEM-A33-29 | MAF sensor ground (E2G) | sensor_ground | MS3PROMINI-A-21 | Sensor ground | sensor_ground | single_source | |
| OEM-A33-3 | Stop light switch (ST1-) | digital_in | — | — | — | single_source | |
| OEM-A33-4 | Power ground (EC) | ground | MS3PROMINI-A-22 + MS3PROMINI-A-23 | Power ground + Power ground | ground | single_source | |
| OEM-A33-7 | Stop light switch (STP) | digital_in | — | — | — | single_source | |
| OEM-A33-8 | A/C pressure sensor (ACP) | analog_in | — | — | — | single_source | |
| OEM-A34-1 | Power ground (E03) | ground | MS3PROMINI-A-22 + MS3PROMINI-A-23 | Power ground + Power ground | ground | single_source | |
| OEM-A34-11 | DI injector confirmation (IJF1) | analog_in | — | — | — | single_source | |
| OEM-A34-13 | High-pressure fuel pump spill valve (FPF) | low_side_out | — | — | — | single_source | |
| OEM-A34-14 | VVT cam sensor exhaust bank 1 (EV1+) | trigger_in | MS3PROMINI-A-32 | CMP+ | trigger_in | single_source | |
| OEM-A34-15 | VVT cam sensor intake bank 2 (VV2+) | trigger_in | MS3PROMINI-A-35 | Digital frequency in 2 (Hall) | digital_in | single_source | |
| OEM-A34-16 | Crank position (NE+) | trigger_in | MS3PROMINI-A-30 | CKP+ | trigger_in | single_source | |
| OEM-A34-17 | Knock sensor 2 (KNK2) | knock_in | — | — | — | single_source | |
| OEM-A34-18 | A/F ratio sensor (A1A-) | — | — | — | — | single_source | |
| OEM-A34-19 | A/F ratio sensor (A1A+) | — | — | — | — | single_source | |
| OEM-A34-2 | Power ground (E04) | ground | MS3PROMINI-A-22 + MS3PROMINI-A-23 | Power ground + Power ground | ground | single_source | |
| OEM-A34-20 | Manifold absolute pressure (PIM) | analog_in | MS3PROMINI-A-14 | Analog in 2 | analog_in | single_source | |
| OEM-A34-21 | Heated oxygen sensor (OX1B, rear) | lambda_nb_in | — | — | — | single_source | |
| OEM-A34-25 | VVT cam sensor exhaust bank 2 (EV2+) | trigger_in | MS3PROMINI-A-34 | Digital frequency in 1 (Hall) | digital_in | single_source | |
| OEM-A34-26 | VVT cam sensor intake bank 1 (VV1+) | trigger_in | MS3PROMINI-A-33 | CMP- | trigger_in | single_source | |
| OEM-A34-27 | Crank position return (NE-) | sensor_ground | MS3PROMINI-A-21 | Sensor ground | sensor_ground | single_source | |
| OEM-A34-28 | Knock sensor 1 (KNK1) | knock_in | — | — | — | single_source | |
| OEM-A34-29 | Shield ground (EKNK) | shield | — | — | — | single_source | |
| OEM-A34-3 | Power ground (E05) | ground | MS3PROMINI-A-22 + MS3PROMINI-A-23 | Power ground + Power ground | ground | single_source | |
| OEM-A34-30 | Shield ground (SLE1) | shield | — | — | — | single_source | |
| OEM-A34-31 | DI injector confirmation (IJF2) | analog_in | — | — | — | single_source | |
| OEM-A34-32 | High-pressure fuel pump spill valve (FPD) | low_side_out | — | — | — | single_source | |
| OEM-A34-34 | OCV power source (VCV, 5V) | vref | MS3PROMINI-A-2 | +5V VREF out | vref | single_source | |
| OEM-A34-35 | Shield ground (SLE3) | shield | — | — | — | single_source | |
| OEM-A34-5 | A/F ratio sensor heater (HA1A) | low_side_out | — | — | — | single_source | |
| OEM-A34-6 | ECU power (+B, main relay) | power_in | MS3PROMINI-A-1 | 12V+ switched power in | power_in | single_source | |
| OEM-A34-9 | Fuel pressure sensor (PR) | analog_in | — | — | — | single_source | |
| OEM-A35-1 | Canister vent valve (VPMP) | low_side_out | — | — | — | single_source | |
| OEM-A35-10 | Fuel pump control monitor (DI) | analog_in | — | — | — | single_source | |
| OEM-A35-11 | Cooling fan relay 3 (FAN1) | low_side_out | — | — | — | single_source | |
| OEM-A35-12 | Cooling fan relay 2 (FAN2) | low_side_out | MS3PROMINI-A-3 | PWM out 1 / Idle | low_side_out | single_source | |
| OEM-A35-13 | EFI main relay 1 (SSHUT) | low_side_out | MS3PROMINI-A-4 | Fuel pump out | low_side_out | single_source | |
| OEM-A35-15 | Tachometer output (TACH) | tacho_out | — | — | — | single_source | |
| OEM-A35-17 | ETCS relay (MCR) | low_side_out | — | — | — | single_source | |
| OEM-A35-19 | Fuel pump control (FPC) | low_side_out | — | — | — | single_source | |
| OEM-A35-20 | Canister pressure sensor (PPMP) | analog_in | — | — | — | single_source | |
| OEM-A35-21 | Accelerator pedal 5V supply (VCPA) | vref | MS3PROMINI-A-2 | +5V VREF out | vref | single_source | |
| OEM-A35-22 | Accelerator pedal 5V supply (VCP2) | vref | MS3PROMINI-A-2 | +5V VREF out | vref | single_source | |
| OEM-A35-23 | Accelerator pedal position (VPA) | analog_in | MS3PROMINI-A-16 | Analog in 4 | analog_in | single_source | |
| OEM-A35-26 | Starter signal (STA) | digital_in | — | — | — | single_source | |
| OEM-A35-29 | Accelerator pedal ground (EPA) | sensor_ground | MS3PROMINI-A-21 | Sensor ground | sensor_ground | single_source | |
| OEM-A35-30 | Accelerator pedal ground (EPA2) | sensor_ground | MS3PROMINI-A-21 | Sensor ground | sensor_ground | single_source | |
| OEM-A35-31 | Accelerator pedal position 2 (VPA2) | analog_in | MS3PROMINI-A-28 | TPS in | analog_in | single_source | |
| OEM-A35-35 | A/C clutch relay (AC) | low_side_out | — | — | — | single_source | |
| OEM-A35-5 | Injector relay (IREL) | low_side_out | — | — | — | single_source | |
| OEM-A35-7 | ETCS relay (+BM) | low_side_out | — | — | — | single_source | |
| OEM-A35-8 | Leak detection pump (MPMP) | low_side_out | — | — | — | single_source | |
| OEM-A36-1 | Throttle actuator motor - (M-) | hbridge_out | — | — | — | single_source | |
| OEM-A36-10 | Ignition coil 2 (IGT2) | ignition_out | MS3PROMINI-A-18 | Spark out B | ignition_out | single_source | |
| OEM-A36-11 | Purge valve (PRG) | low_side_out | — | — | — | single_source | |
| OEM-A36-12 | Injector 1 port (#10) | injector_out | MS3PROMINI-A-10 | Injector out F | injector_out | single_source | |
| OEM-A36-13 | Injector 4 port (#40) | injector_out | MS3PROMINI-A-8 | Injector out D | injector_out | single_source | |
| OEM-A36-14 | Injector 1 direct (#1) | injector_out | MS3PROMINI-A-11 | Injector out G | injector_out | single_source | |
| OEM-A36-16 | OCV intake bank 2 (OC2) | low_side_out | — | — | — | single_source | |
| OEM-A36-17 | OCV intake bank 1 (OC1) | low_side_out | — | — | — | single_source | |
| OEM-A36-18 | Throttle position (VTA1) | analog_in | — | — | — | single_source | |
| OEM-A36-19 | Sensor 5V supply (VC) | vref | MS3PROMINI-A-2 | +5V VREF out | vref | single_source | |
| OEM-A36-2 | Throttle actuator motor + (M+) | hbridge_out | — | — | — | single_source | |
| OEM-A36-20 | Oil temperature (OT) | temp_in | — | — | — | single_source | |
| OEM-A36-21 | Ignition coil 1 (IGT1) | ignition_out | MS3PROMINI-A-17 | Spark out A | ignition_out | single_source | |
| OEM-A36-22 | Injector 2 port (#20) | injector_out | MS3PROMINI-A-12 | Injector out H | injector_out | single_source | |
| OEM-A36-23 | Injector 4 direct (#4) | injector_out | MS3PROMINI-A-9 | Injector out E | injector_out | single_source | |
| OEM-A36-24 | Injector 3 direct (#3) | injector_out | MS3PROMINI-A-6 | Injector out B | injector_out | single_source | |
| OEM-A36-25 | Injector 2 direct (#2) | injector_out | MS3PROMINI-A-5 | Injector out A | injector_out | single_source | |
| OEM-A36-28 | Throttle position 2 (VTA2) | analog_in | MS3PROMINI-A-15 | Analog in 3 | analog_in | single_source | |
| OEM-A36-29 | Sensor ground (E1) | sensor_ground | MS3PROMINI-A-21 | Sensor ground | sensor_ground | single_source | |
| OEM-A36-3 | Power ground (E02) | ground | MS3PROMINI-A-22 + MS3PROMINI-A-23 | Power ground + Power ground | ground | single_source | |
| OEM-A36-30 | Engine coolant temperature (THW) | temp_in | MS3PROMINI-A-26 | CLT in | temp_in | single_source | |
| OEM-A36-31 | Ignition coil 3 (IGT3) | ignition_out | MS3PROMINI-A-19 | Spark out C | ignition_out | single_source | |
| OEM-A36-32 | Injector 3 port (#30) | injector_out | MS3PROMINI-A-7 | Injector out C | injector_out | single_source | |
| OEM-A36-4 | Power ground (E01) | ground | MS3PROMINI-A-22 + MS3PROMINI-A-23 | Power ground + Power ground | ground | single_source | |
| OEM-A36-5 | OCV exhaust bank 2 (OE2) | low_side_out | — | — | — | single_source | |
| OEM-A36-6 | Heated oxygen sensor heater (HT1B) | low_side_out | — | — | — | single_source | |
| OEM-A36-7 | OCV exhaust bank 1 (OE1) | low_side_out | — | — | — | single_source | |
| OEM-A36-8 | Ignition coil 4 (IGT4) | ignition_out | MS3PROMINI-A-20 | Spark out D | ignition_out | single_source |
Cut list
| Wire | From | To | Gauge (mm²) | Colour | Length | Signal | Ident |
|---|---|---|---|---|---|---|---|
| W1 | OEM-A33-1 | SP-14V-1 | 0.85 | no route | ECU power (+B2, main relay) | — | |
| W2 | OEM-A34-6 | SP-14V-1 | 0.85 | no route | ECU power (+B, main relay) | — | |
| W3 | SP-14V-1 | MS3PROMINI-A-1 | 0.85 | no route | 12V+ switched power in | — | |
| W4 | OEM-A33-4 | SP-GND-1 | 0.85 | no route | Power ground (EC) | — | |
| W5 | OEM-A34-1 | SP-GND-1 | 0.85 | no route | Power ground (E03) | — | |
| W6 | OEM-A34-2 | SP-GND-1 | 0.85 | no route | Power ground (E04) | — | |
| W7 | OEM-A34-3 | SP-GND-1 | 0.85 | no route | Power ground (E05) | — | |
| W8 | OEM-A36-3 | SP-GND-1 | 0.85 | no route | Power ground (E02) | — | |
| W9 | OEM-A36-4 | SP-GND-1 | 0.85 | no route | Power ground (E01) | — | |
| W10 | SP-GND-1 | MS3PROMINI-A-22 | 0.85 | no route | Power ground | — | |
| W11 | SP-GND-1 | MS3PROMINI-A-23 | 0.85 | no route | Power ground | — | |
| W12 | OEM-A33-29 | SP-0V-1 | 0.5 | no route | MAF sensor ground (E2G) | — | |
| W13 | OEM-A34-27 | SP-0V-1 | 0.5 | no route | Crank position return (NE-) | — | |
| W14 | OEM-A35-29 | SP-0V-1 | 0.5 | no route | Accelerator pedal ground (EPA) | — | |
| W15 | OEM-A35-30 | SP-0V-1 | 0.5 | no route | Accelerator pedal ground (EPA2) | — | |
| W16 | OEM-A36-29 | SP-0V-1 | 0.5 | no route | Sensor ground (E1) | — | |
| W17 | SP-0V-1 | MS3PROMINI-A-21 | 0.5 | no route | Sensor ground | — | |
| W18 | OEM-A34-34 | SP-5V1-1 | 0.5 | no route | OCV power source (VCV, 5V) | — | |
| W19 | OEM-A35-21 | SP-5V1-1 | 0.5 | no route | Accelerator pedal 5V supply (VCPA) | — | |
| W20 | OEM-A35-22 | SP-5V1-1 | 0.5 | no route | Accelerator pedal 5V supply (VCP2) | — | |
| W21 | OEM-A36-19 | SP-5V1-1 | 0.5 | no route | Sensor 5V supply (VC) | — | |
| W22 | SP-5V1-1 | MS3PROMINI-A-2 | 0.5 | no route | +5V VREF out | — | |
| W23 | OEM-A34-16 | MS3PROMINI-A-30 | 0.5 | no route | Crank position (NE+) | — | |
| W24 | OEM-A34-14 | MS3PROMINI-A-32 | 0.5 | no route | VVT cam sensor exhaust bank 1 (EV1+) | — | |
| W25 | OEM-A34-26 | MS3PROMINI-A-33 | 0.5 | no route | VVT cam sensor intake bank 1 (VV1+) | — | |
| W26 | OEM-A34-25 | MS3PROMINI-A-34 | 0.5 | no route | VVT cam sensor exhaust bank 2 (EV2+) | — | |
| W27 | OEM-A34-15 | MS3PROMINI-A-35 | 0.5 | no route | VVT cam sensor intake bank 2 (VV2+) | — | |
| W28 | OEM-A36-21 | MS3PROMINI-A-17 | 0.5 | no route | Ignition coil 1 (IGT1) | — | |
| W29 | OEM-A36-10 | MS3PROMINI-A-18 | 0.5 | no route | Ignition coil 2 (IGT2) | — | |
| W30 | OEM-A36-31 | MS3PROMINI-A-19 | 0.5 | no route | Ignition coil 3 (IGT3) | — | |
| W31 | OEM-A36-8 | MS3PROMINI-A-20 | 0.5 | no route | Ignition coil 4 (IGT4) | — | |
| W32 | OEM-A36-12 | MS3PROMINI-A-10 | 0.5 | no route | Injector 1 port (#10) | — | |
| W33 | OEM-A36-14 | MS3PROMINI-A-11 | 0.5 | no route | Injector 1 direct (#1) | — | |
| W34 | OEM-A36-22 | MS3PROMINI-A-12 | 0.5 | no route | Injector 2 port (#20) | — | |
| W35 | OEM-A36-25 | MS3PROMINI-A-5 | 0.5 | no route | Injector 2 direct (#2) | — | |
| W36 | OEM-A36-24 | MS3PROMINI-A-6 | 0.5 | no route | Injector 3 direct (#3) | — | |
| W37 | OEM-A36-32 | MS3PROMINI-A-7 | 0.5 | no route | Injector 3 port (#30) | — | |
| W38 | OEM-A36-13 | MS3PROMINI-A-8 | 0.5 | no route | Injector 4 port (#40) | — | |
| W39 | OEM-A36-23 | MS3PROMINI-A-9 | 0.5 | no route | Injector 4 direct (#4) | — | |
| W40 | OEM-A35-13 | MS3PROMINI-A-4 | 0.5 | no route | EFI main relay 1 (SSHUT) | — | |
| W41 | OEM-A35-12 | MS3PROMINI-A-3 | 0.5 | no route | Cooling fan relay 2 (FAN2) | — | |
| W42 | OEM-A33-22 | MS3PROMINI-A-13 | 0.5 | no route | Mass air flow (VG) | — | |
| W43 | OEM-A34-20 | MS3PROMINI-A-14 | 0.5 | no route | Manifold absolute pressure (PIM) | — | |
| W44 | OEM-A35-31 | MS3PROMINI-A-28 | 0.5 | no route | Accelerator pedal position 2 (VPA2) | — | |
| W45 | OEM-A36-28 | MS3PROMINI-A-15 | 0.5 | no route | Throttle position 2 (VTA2) | — | |
| W46 | OEM-A35-23 | MS3PROMINI-A-16 | 0.5 | no route | Accelerator pedal position (VPA) | — | |
| W47 | OEM-A36-30 | MS3PROMINI-A-26 | 0.5 | no route | Engine coolant temperature (THW) | — | |
| W48 | OEM-A33-12 | MS3PROMINI-A-27 | 0.5 | no route | Intake air temperature (THA, in MAF) | — | |
| W49 | OEM-A33-14 | MS3PROMINI-A-29 | 0.5 | no route | Starter signal (STSW2) | — | |
| W50 | OEM-A33-19 | MS3PROMINI-A-25 | 0.5 | no route | CAN high (CANH) | — | |
| W51 | OEM-A33-18 | MS3PROMINI-A-24 | 0.5 | no route | CAN low (CANL) | — |
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 (7)
| Severity | Code | Subject | Message |
|---|---|---|---|
| error | DBW_SENSOR_INPUT | tps | Only 1 throttle-position track(s) found. An electronic throttle needs two (main and sub) so the ECU can cross-check them. |
| error | REQUIRED_UNMAPPED | OEM-A36-1 | Required OEM function "Throttle actuator motor - (M-)" (hbridge_out) is not connected to the new ECU. |
| error | REQUIRED_UNMAPPED | OEM-A36-18 | Required OEM function "Throttle position (VTA1)" (analog_in) is not connected to the new ECU. |
| error | REQUIRED_UNMAPPED | OEM-A36-2 | Required OEM function "Throttle actuator motor + (M+)" (hbridge_out) is not connected to the new ECU. |
| warn | NET_FAMILY | OEM-A34-15 ↔ MS3PROMINI-A-35 | OEM-A34-15 "VVT cam sensor intake bank 2 (VV2+)" [trigger_in] is wired to MS3PROMINI-A-35 "Digital frequency in 2 (Hall)" [digital_in]. Hall-type cam/speed signals can use a digital input if it handles the frequency; VR signals cannot. |
| warn | NET_FAMILY | OEM-A34-25 ↔ MS3PROMINI-A-34 | OEM-A34-25 "VVT cam sensor exhaust bank 2 (EV2+)" [trigger_in] is wired to MS3PROMINI-A-34 "Digital frequency in 1 (Hall)" [digital_in]. Hall-type cam/speed signals can use a digital input if it handles the frequency; VR signals cannot. |
| info | UNMAPPED | OEM | 42 optional OEM pins are not mapped: OEM-A33-15 Clutch switch (CLSW); OEM-A33-16 Neutral switch (NSW); OEM-A33-17 Starter signal (STSW2); OEM-A33-20 Blower relay (HB); OEM-A33-27 Ignition switch sense (IGSW, IG2 relay); OEM-A33-28 Shield ground (SLE2); OEM-A33-3 Stop light switch (ST1-); OEM-A33-7 Stop light switch (STP); OEM-A33-8 A/C pressure sensor (ACP); OEM-A34-11 DI injector confirmation (IJF1); OEM-A34-13 High-pressure fuel pump spill valve (FPF); OEM-A34-17 Knock sensor 2 (KNK2); OEM-A34-18 A/F ratio sensor (A1A-); OEM-A34-19 A/F ratio sensor (A1A+); OEM-A34-21 Heated oxygen sensor (OX1B, rear); OEM-A34-28 Knock sensor 1 (KNK1); OEM-A34-29 Shield ground (EKNK); OEM-A34-30 Shield ground (SLE1); OEM-A34-31 DI injector confirmation (IJF2); OEM-A34-32 High-pressure fuel pump spill valve (FPD); OEM-A34-35 Shield ground (SLE3); OEM-A34-5 A/F ratio sensor heater (HA1A); OEM-A34-9 Fuel pressure sensor (PR); OEM-A35-1 Canister vent valve (VPMP); OEM-A35-10 Fuel pump control monitor (DI); OEM-A35-11 Cooling fan relay 3 (FAN1); OEM-A35-15 Tachometer output (TACH); OEM-A35-17 ETCS relay (MCR); OEM-A35-19 Fuel pump control (FPC); OEM-A35-20 Canister pressure sensor (PPMP); OEM-A35-26 Starter signal (STA); OEM-A35-35 A/C clutch relay (AC); OEM-A35-5 Injector relay (IREL); OEM-A35-7 ETCS relay (+BM); OEM-A35-8 Leak detection pump (MPMP); OEM-A36-11 Purge valve (PRG); OEM-A36-16 OCV intake bank 2 (OC2); OEM-A36-17 OCV intake bank 1 (OC1); OEM-A36-20 Oil temperature (OT); OEM-A36-5 OCV exhaust bank 2 (OE2); OEM-A36-6 Heated oxygen sensor heater (HT1B); OEM-A36-7 OCV exhaust bank 1 (OE1) |
Accepted (1)
| Code | Subject | Reason | By |
|---|---|---|---|
| REQUIRED_UNMAPPED | OEM-A33-2 | 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: needs add-on. Resolve these before building: - Drive-by-wire only with an add-on: AMP Drive-By-Wire Controller - No knock input; the stock knock sensor would be unused - Trigger pattern for Toyota FA20 not checked yet 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-A36 1: Throttle actuator motor - (M-): no free hbridge on AMP EFI MS3Pro Mini - OEM-A36 2: Throttle actuator motor + (M+): no free hbridge on AMP EFI MS3Pro Mini - OEM-A36 18: Throttle position (VTA1): no free tps/analog_0_5 on AMP EFI MS3Pro Mini Not wired: - OEM-A33 2: Battery constant (BATT, memory): AMP EFI MS3Pro Mini has no battery-constant input; not needed - OEM-A34 28: Knock sensor 1 (KNK1): no free knock input on AMP EFI MS3Pro Mini - OEM-A34 17: Knock sensor 2 (KNK2): no free knock input on AMP EFI MS3Pro Mini - OEM-A33 28: Shield ground (SLE2): no shield pin on AMP EFI MS3Pro Mini - OEM-A34 29: Shield ground (EKNK): no shield pin on AMP EFI MS3Pro Mini - OEM-A34 30: Shield ground (SLE1): no shield pin on AMP EFI MS3Pro Mini - OEM-A34 35: Shield ground (SLE3): no shield pin on AMP EFI MS3Pro Mini - OEM-A33 27: Ignition switch sense (IGSW, IG2 relay): key-on 12 V sense — optional in a swap (the main relay is energized from keyed 12 V, not from this pin); AMP EFI MS3Pro Mini has no dedicated key-on input - OEM-A35 11: Cooling fan relay 3 (FAN1): no free relay_control/low_side/ls_hs/injector/hbridge rated ≥ 0.2 A on AMP EFI MS3Pro Mini - OEM-A33 20: Blower relay (HB): no free relay_control/low_side/ls_hs/injector/hbridge rated ≥ 0.2 A on AMP EFI MS3Pro Mini - OEM-A35 17: ETCS relay (MCR): no free relay_control/low_side/ls_hs/injector/hbridge rated ≥ 0.2 A on AMP EFI MS3Pro Mini - OEM-A35 35: A/C clutch relay (AC): no free relay_control/low_side/ls_hs/injector/hbridge rated ≥ 0.2 A on AMP EFI MS3Pro Mini - OEM-A35 5: Injector relay (IREL): no free relay_control/low_side/ls_hs/injector/hbridge rated ≥ 0.2 A on AMP EFI MS3Pro Mini - OEM-A35 7: ETCS relay (+BM): no free relay_control/low_side/ls_hs/injector/hbridge rated ≥ 0.2 A on AMP EFI MS3Pro Mini - OEM-A34 5: A/F ratio sensor heater (HA1A): no free heater_low_side/low_side/ls_hs/hbridge on AMP EFI MS3Pro Mini - OEM-A36 6: Heated oxygen sensor heater (HT1B): no free heater_low_side/low_side/ls_hs/hbridge on AMP EFI MS3Pro Mini - OEM-A36 17: OCV intake bank 1 (OC1): no free low_side/ls_hs/injector/hbridge on AMP EFI MS3Pro Mini - OEM-A36 7: OCV exhaust bank 1 (OE1): no free low_side/ls_hs/injector/hbridge on AMP EFI MS3Pro Mini - OEM-A36 16: OCV intake bank 2 (OC2): no free low_side/ls_hs/injector/hbridge on AMP EFI MS3Pro Mini - OEM-A36 5: OCV exhaust bank 2 (OE2): no free low_side/ls_hs/injector/hbridge on AMP EFI MS3Pro Mini - OEM-A34 13: High-pressure fuel pump spill valve (FPF): no free low_side/ls_hs/injector/hbridge on AMP EFI MS3Pro Mini - OEM-A34 32: High-pressure fuel pump spill valve (FPD): no free low_side/ls_hs/injector/hbridge on AMP EFI MS3Pro Mini - OEM-A35 1: Canister vent valve (VPMP): no free low_side/ls_hs/injector/hbridge on AMP EFI MS3Pro Mini - OEM-A35 19: Fuel pump control (FPC): no free low_side/ls_hs/injector/hbridge on AMP EFI MS3Pro Mini - OEM-A35 8: Leak detection pump (MPMP): no free low_side/ls_hs/injector/hbridge on AMP EFI MS3Pro Mini - OEM-A36 11: Purge valve (PRG): no free low_side/ls_hs/injector/hbridge on AMP EFI MS3Pro Mini - OEM-A35 15: Tachometer output (TACH): no free tacho/frequency_out/low_side/ls_hs on AMP EFI MS3Pro Mini - OEM-A34 21: Heated oxygen sensor (OX1B, rear): no free o2_narrowband/analog_0_5 on AMP EFI MS3Pro Mini - OEM-A36 20: Oil temperature (OT): no free thermistor/analog_0_5 on AMP EFI MS3Pro Mini - OEM-A33 8: A/C pressure sensor (ACP): no free analog_0_5 on AMP EFI MS3Pro Mini - OEM-A34 11: DI injector confirmation (IJF1): no free analog_0_5 on AMP EFI MS3Pro Mini - OEM-A34 31: DI injector confirmation (IJF2): no free analog_0_5 on AMP EFI MS3Pro Mini - OEM-A34 9: Fuel pressure sensor (PR): no free analog_0_5 on AMP EFI MS3Pro Mini - OEM-A35 10: Fuel pump control monitor (DI): no free analog_0_5 on AMP EFI MS3Pro Mini - OEM-A35 20: Canister pressure sensor (PPMP): no free analog_0_5 on AMP EFI MS3Pro Mini - OEM-A33 15: Clutch switch (CLSW): no free switch_in/frequency_in/analog_0_5 on AMP EFI MS3Pro Mini - OEM-A33 16: Neutral switch (NSW): no free switch_in/frequency_in/analog_0_5 on AMP EFI MS3Pro Mini - OEM-A33 17: Starter signal (STSW2): no free switch_in/frequency_in/analog_0_5 on AMP EFI MS3Pro Mini - OEM-A33 3: Stop light switch (ST1-): no free switch_in/frequency_in/analog_0_5 on AMP EFI MS3Pro Mini - OEM-A33 7: Stop light switch (STP): no free switch_in/frequency_in/analog_0_5 on AMP EFI MS3Pro Mini - OEM-A35 26: Starter signal (STA): no free switch_in/frequency_in/analog_0_5 on AMP EFI MS3Pro Mini - OEM-A34 18: A/F ratio sensor (A1A-): not classified in the library; wire by hand - OEM-A34 19: A/F ratio sensor (A1A+): not classified in the library; wire by hand
Sources
| Reliability | Kind | Title | URL | Archive | Captured | SHA-256 |
|---|---|---|---|---|---|---|
| 4 | vendor_doc | AMP EFI: MS3Pro Mini manual (fw 1.6.1) pinout & output ratings | https://cdn.shopify.com/s/files/1/0960/0014/7754/files/MS3Pro_User_Manual_Firmware_1.6.1_Mini.pdf?v=1760643335 | archive | 2026-10-05 | bed7d8ae8408 |
| 4 | vendor_doc | Scion FR-S / Toyota 86 Repair Manual (2013) — FA20 ECM terminal pinout (SFI system) | https://gt86.me/images/0/09/2013_Scion_FR-S_Repair_Manual.pdf | — | — | — |