Toyota Supra A80 1997-2002 JDM (2JZ-GTE VVT-i, single-turbo) → Motorsport Electronics ME221 (auto)
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 | 52 wires · 10 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-B78-16 | SP-14V-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W2 | OEM-B78-7 | SP-14V-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W3 | OEM-B78-8 | SP-14V-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W4 | SP-14V-1 | ME221-C1-15 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W5 | SP-14V-1 | ME221-C1-64 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W6 | OEM-B74-21 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W7 | OEM-B74-31 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W8 | OEM-B74-9 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W9 | OEM-B75-17 | SP-GND-1 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W10 | SP-GND-1 | ME221-C1-10 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W11 | SP-GND-1 | ME221-C1-61 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W12 | SP-GND-1 | ME221-C1-89 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W13 | SP-GND-1 | ME221-C1-90 | 0.85 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W14 | OEM-B74-22 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W15 | OEM-B75-18 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W16 | OEM-B75-19 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W17 | OEM-B78-22 | SP-0V-1 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W18 | SP-0V-1 | ME221-C1-52 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W19 | SP-0V-1 | ME221-C1-84 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W20 | OEM-B75-2 | ME221-C1-45 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W21 | OEM-B74-23 | ME221-C1-80 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W22 | OEM-B74-10 | ME221-C1-22 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W23 | OEM-B74-28 | ME221-C1-53 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W24 | OEM-B74-11 | ME221-C1-32 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W25 | OEM-B74-12 | ME221-C1-31 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W26 | OEM-B74-13 | ME221-C1-2 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W27 | OEM-B75-5 | ME221-C1-63 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W28 | OEM-B75-6 | ME221-C1-4 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W29 | OEM-B74-1 | ME221-C1-33 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W30 | OEM-B74-2 | ME221-C1-3 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W31 | OEM-B74-3 | ME221-C1-63 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W32 | OEM-B74-4 | ME221-C1-4 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W33 | OEM-B74-17 | ME221-C1-73 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W34 | OEM-B74-18 | ME221-C1-12 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W35 | OEM-B74-19 | ME221-C1-74 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W36 | OEM-B74-20 | ME221-C1-44 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W37 | OEM-B75-9 | ME221-C1-26 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W38 | OEM-B75-15 | ME221-C1-56 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W39 | OEM-B75-23 | ME221-C1-17 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W40 | OEM-B75-16 | ME221-C1-18 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W41 | OEM-B75-14 | ME221-C1-86 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W42 | OEM-B77-13 | ME221-C1-69 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W43 | OEM-B78-10 | ME221-C1-39 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W44 | OEM-B75-4 | ME221-C1-16 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W45 | OEM-B76-1 | ME221-C1-37 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W46 | OEM-B76-2 | ME221-C1-42 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W47 | OEM-B76-3 | ME221-C1-72 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W48 | OEM-B76-6 | ME221-C1-43 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W49 | OEM-B77-20 | ME221-C1-79 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W50 | OEM-B75-22 | ME221-C1-57 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W51 | OEM-B77-25 | ME221-C1-6 | 0.5 | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | ☐ | |
| W52 | OEM-B76-11 | ME221-C1-7 | 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 | ME221-C1-10 | ME221-C1-15 | open (OL) | power ground must not touch +12 V supply | |
| 2 | ME221-C1-10 | ME221-C1-45 | open (OL) | power ground must not touch 5 V sensor reference | |
| 3 | ME221-C1-45 | ME221-C1-15 | open (OL) | 5 V sensor reference must not touch +12 V supply | |
| 4 | ME221-C1-52 | ME221-C1-15 | open (OL) | sensor ground must not touch +12 V supply | |
| 5 | ME221-C1-52 | ME221-C1-45 | open (OL) | sensor 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
ME221-C1
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | COIL 4 | — | — | — | — | — | — | — | — |
| 10 | GROUND CHASSIS | — | W10 | — | 0.85 | SP-GND-1 | — | — | — |
| 12 | LOW SIDE 2 | — | W34 | — | 0.5 | OEM-B74-18 | — | — | — |
| 14 | LSU +12V | — | — | — | — | — | — | — | — |
| 15 | IGN +12V | — | W4 | — | 0.85 | SP-14V-1 | — | — | — |
| 16 | LSU HEATER -VE | — | W44 | — | 0.5 | OEM-B75-4 | — | — | — |
| 17 | ANA VOLT 3 | — | W39 | — | 0.5 | OEM-B75-23 | — | — | — |
| 18 | ANA VOLT 4 | — | W40 | — | 0.5 | OEM-B75-16 | — | — | — |
| 19 | LSU UN | — | — | — | — | — | — | — | — |
| 2 | COIL 3 | — | W26 | — | 0.5 | OEM-B74-13 | — | — | — |
| 20 | LSU VM | — | — | — | — | — | — | — | — |
| 21 | CAN 1 HIGH | — | — | — | — | — | — | — | — |
| 22 | CAM A VR+ | — | W22 | — | 0.5 | OEM-B74-10 | — | — | — |
| 23 | CAM A VR- | — | — | — | — | — | — | — | — |
| 24 | SERIAL 1 GROUND | — | — | — | — | — | — | — | — |
| 25 | SERIAL 1 TX | — | — | — | — | — | — | — | — |
| 26 | ANA VOLT 1 | — | W37 | — | 0.5 | OEM-B75-9 | — | — | — |
| 3 | INJECTOR 4 | — | W30 | — | 0.5 | OEM-B74-2 | — | — | — |
| 31 | COIL 2 | — | W25 | — | 0.5 | OEM-B74-12 | — | — | — |
| 32 | COIL 1 | — | W24 | — | 0.5 | OEM-B74-11 | — | — | — |
| 33 | INJECTOR 3 | — | W29 | — | 0.5 | OEM-B74-1 | — | — | — |
| 35 | USB D+ | — | — | — | — | — | — | — | — |
| 36 | USB D- | — | — | — | — | — | — | — | — |
| 37 | LOW SIDE RELAY 11 | — | W45 | — | 0.5 | OEM-B76-1 | — | — | — |
| 38 | USB VBUS | — | — | — | — | — | — | — | — |
| 39 | LOW SIDE 6 | — | W43 | — | 0.5 | OEM-B78-10 | — | — | — |
| 4 | INJECTOR 2 | — | W28 | — | 0.5 | OEM-B75-6 | — | — | — |
| 4 | INJECTOR 2 | — | W32 | — | 0.5 | OEM-B74-4 | — | — | — |
| 41 | USB GROUND | — | — | — | — | — | — | — | — |
| 42 | LOW SIDE RELAY 12 | — | W46 | — | 0.5 | OEM-B76-2 | — | — | — |
| 43 | LOW SIDE RELAY 14 | — | W48 | — | 0.5 | OEM-B76-6 | — | — | — |
| 44 | LOW SIDE 4 | — | W36 | — | 0.5 | OEM-B74-20 | — | — | — |
| 45 | 5V REF | — | W20 | — | 0.5 | OEM-B75-2 | — | — | — |
| 46 | 5V REF | — | — | — | — | — | — | — | — |
| 49 | LSU IA | — | — | — | — | — | — | — | — |
| 50 | LSU IP | — | — | — | — | — | — | — | — |
| 51 | CAN 1 LOW | — | — | — | — | — | — | — | — |
| 52 | SENSORS GROUND | — | W18 | — | 0.5 | SP-0V-1 | — | — | — |
| 53 | KNOCK 1 SIGNAL | — | W23 | — | 0.5 | OEM-B74-28 | — | — | — |
| 55 | SERIAL 1 RX | — | — | — | — | — | — | — | — |
| 56 | ANA VOLT 2 | — | W38 | — | 0.5 | OEM-B75-15 | — | — | — |
| 57 | ANA TEMP 2 | — | W50 | — | 0.5 | OEM-B75-22 | — | — | — |
| 6 | DIG_IN 1 | — | W51 | — | 0.5 | OEM-B77-25 | — | — | — |
| 61 | GROUND | — | W11 | — | 0.85 | SP-GND-1 | — | — | — |
| 63 | INJECTOR 1 | — | W27 | — | 0.5 | OEM-B75-5 | — | — | — |
| 63 | INJECTOR 1 | — | W31 | — | 0.5 | OEM-B74-3 | — | — | — |
| 64 | VBAT | — | W5 | — | 0.85 | SP-14V-1 | — | — | — |
| 67 | Stepper 1 / A1 | — | — | — | — | — | — | — | — |
| 68 | Stepper 2 / A2 | — | — | — | — | — | — | — | — |
| 69 | LOW SIDE 5 | — | W42 | — | 0.5 | OEM-B77-13 | — | — | — |
| 7 | DIG_IN 2 | — | W52 | — | 0.5 | OEM-B76-11 | — | — | — |
| 70 | Stepper 3 / B1 | — | — | — | — | — | — | — | — |
| 71 | Stepper 4 / B2 | — | — | — | — | — | — | — | — |
| 72 | LOW SIDE RELAY 13 | — | W47 | — | 0.5 | OEM-B76-3 | — | — | — |
| 73 | LOW SIDE 1 | — | W33 | — | 0.5 | OEM-B74-17 | — | — | — |
| 74 | LOW SIDE 3 | — | W35 | — | 0.5 | OEM-B74-19 | — | — | — |
| 76 | 5V REF | — | — | — | — | — | — | — | — |
| 79 | TACHOMETER | — | W49 | — | 0.5 | OEM-B77-20 | — | — | — |
| 80 | CRANK VR+ | — | W21 | — | 0.5 | OEM-B74-23 | — | — | — |
| 81 | CRANK VR- | — | — | — | — | — | — | — | — |
| 84 | Sensor Ground | — | W19 | — | 0.5 | SP-0V-1 | — | — | — |
| 86 | ANA TEMP 1 | — | W41 | — | 0.5 | OEM-B75-14 | — | — | — |
| 89 | GROUND | — | W12 | — | 0.85 | SP-GND-1 | — | — | — |
| 90 | GROUND | — | W13 | — | 0.85 | SP-GND-1 | — | — | — |
OEM-B74
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Injector 3 (#30) | — | W29 | — | 0.5 | ME221-C1-33 | — | — | — |
| 10 | Cam position (G2) | — | W22 | — | 0.5 | ME221-C1-22 | — | — | — |
| 11 | Ignition 1 (IGT, cyl 1&6) | — | W24 | — | 0.5 | ME221-C1-32 | — | — | — |
| 12 | Ignition 2 (IGT2, cyl 5&2) | — | W25 | — | 0.5 | ME221-C1-31 | — | — | — |
| 13 | Ignition 3 (IGT3, cyl 3&4) | — | W26 | — | 0.5 | ME221-C1-2 | — | — | — |
| 15 | Wastegate VSV (PMC) | — | — | — | — | — | — | — | — |
| 17 | VVT-i OCV - (OCV-) | — | W33 | — | 0.5 | ME221-C1-73 | — | — | — |
| 18 | VVT-i OCV + (OCV+) | — | W34 | — | 0.5 | ME221-C1-12 | — | — | — |
| 19 | ETCS-i clutch - (CL-) | — | W35 | — | 0.5 | ME221-C1-74 | — | — | — |
| 2 | Injector 4 (#40) | — | W30 | — | 0.5 | ME221-C1-3 | — | — | — |
| 20 | ETCS-i clutch + (CL+) | — | W36 | — | 0.5 | ME221-C1-44 | — | — | — |
| 21 | Power ground (E01) | — | W6 | — | 0.85 | SP-GND-1 | — | — | — |
| 22 | Crank/cam sensor return (NE-) | — | W14 | — | 0.5 | SP-0V-1 | — | — | — |
| 23 | Crank position (NE+) | — | W21 | — | 0.5 | ME221-C1-80 | — | — | — |
| 24 | Neutral/park switch (NSW) | — | — | — | — | — | — | — | — |
| 25 | Igniter verification (IGF) | — | — | — | — | — | — | — | — |
| 27 | Knock sensor 2 (KNK2, rear) | — | — | — | — | — | — | — | — |
| 28 | Knock sensor 1 (KNK1, front) | — | W23 | — | 0.5 | ME221-C1-53 | — | — | — |
| 3 | Injector 5 (#50) | — | W31 | — | 0.5 | ME221-C1-63 | — | — | — |
| 30 | ETCS-i motor shield (GEO1) | — | — | — | — | — | — | — | — |
| 31 | Power ground (E02) | — | W7 | — | 0.85 | SP-GND-1 | — | — | — |
| 4 | Injector 6 (#60) | — | W32 | — | 0.5 | ME221-C1-4 | — | — | — |
| 5 | Intake air bypass VSV (VSV1) | — | — | — | — | — | — | — | — |
| 7 | ETCS-i motor - (M-) | — | — | — | — | — | — | — | — |
| 8 | ETCS-i motor + (M+) | — | — | — | — | — | — | — | — |
| 9 | ETCS-i ground (ME01) | — | W8 | — | 0.85 | SP-GND-1 | — | — | — |
OEM-B75
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 10 | Mass air flow (VG) | — | — | — | — | — | — | — | — |
| 12 | O2 sensor (OX) | — | — | — | — | — | — | — | — |
| 14 | Coolant temperature (THW) | — | W41 | — | 0.5 | ME221-C1-86 | — | — | — |
| 15 | Accelerator pedal 1 (VPA) | — | W38 | — | 0.5 | ME221-C1-56 | — | — | — |
| 16 | Accelerator pedal 2 (VPA2) | — | W40 | — | 0.5 | ME221-C1-18 | — | — | — |
| 17 | Power ground (E1) | — | W9 | — | 0.85 | SP-GND-1 | — | — | — |
| 18 | Sensor ground (E2) | — | W15 | — | 0.5 | SP-0V-1 | — | — | — |
| 19 | MAF ground (EVG) | — | W16 | — | 0.5 | SP-0V-1 | — | — | — |
| 2 | Sensor power (VC) | — | W20 | — | 0.5 | ME221-C1-45 | — | — | — |
| 20 | A/T 2nd-gear indicator (2) | — | — | — | — | — | — | — | — |
| 21 | A/T 1st-gear indicator (L) | — | — | — | — | — | — | — | — |
| 22 | Intake air temperature (THA) | — | W50 | — | 0.5 | ME221-C1-57 | — | — | — |
| 23 | Throttle position 1 (VTA) | — | W39 | — | 0.5 | ME221-C1-17 | — | — | — |
| 24 | Throttle position 2 (VTA2) | — | — | — | — | — | — | — | — |
| 3 | Exhaust gas control VSV (VSV2) | — | — | — | — | — | — | — | — |
| 4 | O2 sensor heater (HT) | — | W44 | — | 0.5 | ME221-C1-16 | — | — | — |
| 5 | Injector 1 (#10) | — | W27 | — | 0.5 | ME221-C1-63 | — | — | — |
| 6 | Injector 2 (#20) | — | W28 | — | 0.5 | ME221-C1-4 | — | — | — |
| 7 | EVAP purge VSV (PRG) | — | — | — | — | — | — | — | — |
| 8 | Main oil pressure switch (MOPS) | — | — | — | — | — | — | — | — |
| 9 | Manifold pressure (PIM) | — | W37 | — | 0.5 | ME221-C1-26 | — | — | — |
OEM-B76
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | A/T shift solenoid 1 (S1) | — | W45 | — | 0.5 | ME221-C1-37 | — | — | — |
| 10 | OD direct-clutch speed (NCO-) | — | — | — | — | — | — | — | — |
| 11 | No.2 speed sensor return (SP2-) | — | W52 | — | 0.5 | ME221-C1-7 | — | — | — |
| 12 | Exhaust bypass VSV (VSV3) | — | — | — | — | — | — | — | — |
| 13 | A/T lock-up solenoid - (SLU-) | — | — | — | — | — | — | — | — |
| 14 | A/T accumulator solenoid - (SLN-) | — | — | — | — | — | — | — | — |
| 15 | A/T line-pressure solenoid - (SLT-) | — | — | — | — | — | — | — | — |
| 16 | Fuel pressure-up VSV (FPU) | — | — | — | — | — | — | — | — |
| 17 | A/T oil temperature (OIL) | — | — | — | — | — | — | — | — |
| 2 | A/T shift solenoid 2 (S2) | — | W46 | — | 0.5 | ME221-C1-42 | — | — | — |
| 3 | A/T shift solenoid 3 (S3) | — | W47 | — | 0.5 | ME221-C1-72 | — | — | — |
| 4 | OD direct-clutch speed (NCO+) | — | — | — | — | — | — | — | — |
| 5 | No.2 speed sensor (SP2+) | — | — | — | — | — | — | — | — |
| 6 | A/T shift solenoid 4 (S4) | — | W48 | — | 0.5 | ME221-C1-43 | — | — | — |
| 7 | A/T lock-up solenoid + (SLU+) | — | — | — | — | — | — | — | — |
| 8 | A/T accumulator solenoid + (SLN+) | — | — | — | — | — | — | — | — |
| 9 | A/T line-pressure solenoid + (SLT+) | — | — | — | — | — | — | — | — |
OEM-B77
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | A/C request (AC) | — | — | — | — | — | — | — | — |
| 13 | A/C clutch relay (ACMG) | — | W42 | — | 0.5 | ME221-C1-69 | — | — | — |
| 14 | A/T shift down (SFTD) | — | — | — | — | — | — | — | — |
| 16 | A/T reverse indicator (R) | — | — | — | — | — | — | — | — |
| 18 | Rear right wheel speed (RRO) | — | — | — | — | — | — | — | — |
| 19 | Rear left wheel speed (RLO) | — | — | — | — | — | — | — | — |
| 2 | Starter signal (STA) | — | — | — | — | — | — | — | — |
| 20 | Tachometer output (TACH) | — | W49 | — | 0.5 | ME221-C1-79 | — | — | — |
| 21 | ABS active (ABS) | — | — | — | — | — | — | — | — |
| 25 | No.1 speed sensor (SPD) | — | W51 | — | 0.5 | ME221-C1-6 | — | — | — |
| 26 | Electrical load sense (ELS) | — | — | — | — | — | — | — | — |
| 27 | Road speed (RSPD) | — | — | — | — | — | — | — | — |
| 4 | A/T shift up (SFTU) | — | — | — | — | — | — | — | — |
| 5 | Diagnostic/timing check (TC) | — | — | — | — | — | — | — | — |
| 6 | Stop light switch (STP) | — | — | — | — | — | — | — | — |
| 7 | A/T manual position (3) | — | — | — | — | — | — | — | — |
OEM-B78
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Battery constant (BATT) | — | — | — | — | — | — | — | — |
| 10 | EFI main relay control (M-REL) | — | W43 | — | 0.5 | ME221-C1-39 | — | — | — |
| 11 | Serial diagnostic (SIL) | — | — | — | — | — | — | — | — |
| 16 | EFI main relay power (+B) | — | W1 | — | 0.85 | SP-14V-1 | — | — | — |
| 2 | TRAC snow-mode light (SNOW) | — | — | — | — | — | — | — | — |
| 22 | Switch ground (EC) | — | W17 | — | 0.5 | SP-0V-1 | — | — | — |
| 3 | TRAC snow-mode switch (SNWI) | — | — | — | — | — | — | — | — |
| 4 | Fuel pump diagnostic (DI) | — | — | — | — | — | — | — | — |
| 5 | Fuel pump control (FPC) | — | — | — | — | — | — | — | — |
| 6 | Check-engine light (W) | — | — | — | — | — | — | — | — |
| 7 | ETCS-i power (+BM) | — | W2 | — | 0.85 | SP-14V-1 | — | — | — |
| 8 | EFI main relay power (+B2) | — | W3 | — | 0.85 | SP-14V-1 | — | — | — |
| 9 | Ignition switch (IGSW) | — | — | — | — | — | — | — | — |
OEM-B79
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | TRAC enable light (IND) | — | — | — | — | — | — | — | — |
| 14 | TRAC active light (CIND) | — | — | — | — | — | — | — | — |
| 17 | A/T meter LCD (LPO3) | — | — | — | — | — | — | — | — |
| 18 | A/T meter LCD (SPTL) | — | — | — | — | — | — | — | — |
| 19 | Reverse buzzer (BZ) | — | — | — | — | — | — | — | — |
| 2 | TRAC off switch (MSW) | — | — | — | — | — | — | — | — |
| 3 | A/T meter LCD (LPO1) | — | — | — | — | — | — | — | — |
| 4 | A/T meter LCD (LPO2) | — | — | — | — | — | — | — | — |
| 7 | Front right wheel speed (FRO) | — | — | — | — | — | — | — | — |
| 8 | Front left wheel speed (FLO) | — | — | — | — | — | — | — | — |
SP-0V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W14 | — | 0.5 | OEM-B74-22 | — | — | — |
| 1 | — | — | W15 | — | 0.5 | OEM-B75-18 | — | — | — |
| 1 | — | — | W16 | — | 0.5 | OEM-B75-19 | — | — | — |
| 1 | — | — | W17 | — | 0.5 | OEM-B78-22 | — | — | — |
| 1 | — | — | W18 | — | 0.5 | ME221-C1-52 | — | — | — |
| 1 | — | — | W19 | — | 0.5 | ME221-C1-84 | — | — | — |
SP-14V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W1 | — | 0.85 | OEM-B78-16 | — | — | — |
| 1 | — | — | W2 | — | 0.85 | OEM-B78-7 | — | — | — |
| 1 | — | — | W3 | — | 0.85 | OEM-B78-8 | — | — | — |
| 1 | — | — | W4 | — | 0.85 | ME221-C1-15 | — | — | — |
| 1 | — | — | W5 | — | 0.85 | ME221-C1-64 | — | — | — |
SP-GND
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W6 | — | 0.85 | OEM-B74-21 | — | — | — |
| 1 | — | — | W7 | — | 0.85 | OEM-B74-31 | — | — | — |
| 1 | — | — | W8 | — | 0.85 | OEM-B74-9 | — | — | — |
| 1 | — | — | W9 | — | 0.85 | OEM-B75-17 | — | — | — |
| 1 | — | — | W10 | — | 0.85 | ME221-C1-10 | — | — | — |
| 1 | — | — | W11 | — | 0.85 | ME221-C1-61 | — | — | — |
| 1 | — | — | W12 | — | 0.85 | ME221-C1-89 | — | — | — |
| 1 | — | — | W13 | — | 0.85 | ME221-C1-90 | — | — | — |
Pin map
| OEM point | OEM function | OEM family | Target point | Target function | Target family | Wire colour | Evidence |
|---|---|---|---|---|---|---|---|
| OEM-B74-1 | Injector 3 (#30) | injector_out | ME221-C1-33 | INJECTOR 3 | injector_out | single_source | |
| OEM-B74-10 | Cam position (G2) | trigger_in | ME221-C1-22 | CAM A VR+ | trigger_in | single_source | |
| OEM-B74-11 | Ignition 1 (IGT, cyl 1&6) | ignition_out | ME221-C1-32 | COIL 1 | ignition_out | single_source | |
| OEM-B74-12 | Ignition 2 (IGT2, cyl 5&2) | ignition_out | ME221-C1-31 | COIL 2 | ignition_out | single_source | |
| OEM-B74-13 | Ignition 3 (IGT3, cyl 3&4) | ignition_out | ME221-C1-2 | COIL 3 | ignition_out | single_source | |
| OEM-B74-15 | Wastegate VSV (PMC) | low_side_out | — | — | — | single_source | |
| OEM-B74-17 | VVT-i OCV - (OCV-) | low_side_out | ME221-C1-73 | LOW SIDE 1 | low_side_out | single_source | |
| OEM-B74-18 | VVT-i OCV + (OCV+) | low_side_out | ME221-C1-12 | LOW SIDE 2 | low_side_out | single_source | |
| OEM-B74-19 | ETCS-i clutch - (CL-) | low_side_out | ME221-C1-74 | LOW SIDE 3 | low_side_out | single_source | |
| OEM-B74-2 | Injector 4 (#40) | injector_out | ME221-C1-3 | INJECTOR 4 | injector_out | single_source | |
| OEM-B74-20 | ETCS-i clutch + (CL+) | low_side_out | ME221-C1-44 | LOW SIDE 4 | low_side_out | single_source | |
| OEM-B74-21 | Power ground (E01) | ground | ME221-C1-10 + ME221-C1-61 + ME221-C1-89 + ME221-C1-90 | GROUND CHASSIS + GROUND + GROUND + GROUND | ground | single_source | |
| OEM-B74-22 | Crank/cam sensor return (NE-) | sensor_ground | ME221-C1-52 + ME221-C1-84 | SENSORS GROUND + Sensor Ground | sensor_ground | single_source | |
| OEM-B74-23 | Crank position (NE+) | trigger_in | ME221-C1-80 | CRANK VR+ | trigger_in | single_source | |
| OEM-B74-24 | Neutral/park switch (NSW) | digital_in | — | — | — | single_source | |
| OEM-B74-25 | Igniter verification (IGF) | digital_in | — | — | — | single_source | |
| OEM-B74-27 | Knock sensor 2 (KNK2, rear) | knock_in | — | — | — | single_source | |
| OEM-B74-28 | Knock sensor 1 (KNK1, front) | knock_in | ME221-C1-53 | KNOCK 1 SIGNAL | knock_in | single_source | |
| OEM-B74-3 | Injector 5 (#50) | injector_out | ME221-C1-63 | INJECTOR 1 | injector_out | single_source | |
| OEM-B74-30 | ETCS-i motor shield (GEO1) | shield | — | — | — | single_source | |
| OEM-B74-31 | Power ground (E02) | ground | ME221-C1-10 + ME221-C1-61 + ME221-C1-89 + ME221-C1-90 | GROUND CHASSIS + GROUND + GROUND + GROUND | ground | single_source | |
| OEM-B74-4 | Injector 6 (#60) | injector_out | ME221-C1-4 | INJECTOR 2 | injector_out | single_source | |
| OEM-B74-5 | Intake air bypass VSV (VSV1) | low_side_out | — | — | — | single_source | |
| OEM-B74-7 | ETCS-i motor - (M-) | hbridge_out | — | — | — | single_source | |
| OEM-B74-8 | ETCS-i motor + (M+) | hbridge_out | — | — | — | single_source | |
| OEM-B74-9 | ETCS-i ground (ME01) | ground | ME221-C1-10 + ME221-C1-61 + ME221-C1-89 + ME221-C1-90 | GROUND CHASSIS + GROUND + GROUND + GROUND | ground | single_source | |
| OEM-B75-10 | Mass air flow (VG) | analog_in | — | — | — | single_source | |
| OEM-B75-12 | O2 sensor (OX) | lambda_nb_in | — | — | — | single_source | |
| OEM-B75-14 | Coolant temperature (THW) | temp_in | ME221-C1-86 | ANA TEMP 1 | temp_in | single_source | |
| OEM-B75-15 | Accelerator pedal 1 (VPA) | analog_in | ME221-C1-56 | ANA VOLT 2 | analog_in | single_source | |
| OEM-B75-16 | Accelerator pedal 2 (VPA2) | analog_in | ME221-C1-18 | ANA VOLT 4 | analog_in | single_source | |
| OEM-B75-17 | Power ground (E1) | ground | ME221-C1-10 + ME221-C1-61 + ME221-C1-89 + ME221-C1-90 | GROUND CHASSIS + GROUND + GROUND + GROUND | ground | single_source | |
| OEM-B75-18 | Sensor ground (E2) | sensor_ground | ME221-C1-52 + ME221-C1-84 | SENSORS GROUND + Sensor Ground | sensor_ground | single_source | |
| OEM-B75-19 | MAF ground (EVG) | sensor_ground | ME221-C1-52 + ME221-C1-84 | SENSORS GROUND + Sensor Ground | sensor_ground | single_source | |
| OEM-B75-2 | Sensor power (VC) | vref | ME221-C1-45 | 5V REF | vref | single_source | |
| OEM-B75-20 | A/T 2nd-gear indicator (2) | digital_in | — | — | — | single_source | |
| OEM-B75-21 | A/T 1st-gear indicator (L) | digital_in | — | — | — | single_source | |
| OEM-B75-22 | Intake air temperature (THA) | temp_in | ME221-C1-57 | ANA TEMP 2 | temp_in | single_source | |
| OEM-B75-23 | Throttle position 1 (VTA) | analog_in | ME221-C1-17 | ANA VOLT 3 | analog_in | single_source | |
| OEM-B75-24 | Throttle position 2 (VTA2) | analog_in | — | — | — | single_source | |
| OEM-B75-3 | Exhaust gas control VSV (VSV2) | low_side_out | — | — | — | single_source | |
| OEM-B75-4 | O2 sensor heater (HT) | low_side_out | ME221-C1-16 | LSU HEATER -VE | low_side_out | single_source | |
| OEM-B75-5 | Injector 1 (#10) | injector_out | ME221-C1-63 | INJECTOR 1 | injector_out | single_source | |
| OEM-B75-6 | Injector 2 (#20) | injector_out | ME221-C1-4 | INJECTOR 2 | injector_out | single_source | |
| OEM-B75-7 | EVAP purge VSV (PRG) | low_side_out | — | — | — | single_source | |
| OEM-B75-8 | Main oil pressure switch (MOPS) | digital_in | — | — | — | single_source | |
| OEM-B75-9 | Manifold pressure (PIM) | analog_in | ME221-C1-26 | ANA VOLT 1 | analog_in | single_source | |
| OEM-B76-1 | A/T shift solenoid 1 (S1) | low_side_out | ME221-C1-37 | LOW SIDE RELAY 11 | low_side_out | single_source | |
| OEM-B76-10 | OD direct-clutch speed (NCO-) | digital_in | — | — | — | single_source | |
| OEM-B76-11 | No.2 speed sensor return (SP2-) | digital_in | ME221-C1-7 | DIG_IN 2 | digital_in | single_source | |
| OEM-B76-12 | Exhaust bypass VSV (VSV3) | low_side_out | — | — | — | single_source | |
| OEM-B76-13 | A/T lock-up solenoid - (SLU-) | low_side_out | — | — | — | single_source | |
| OEM-B76-14 | A/T accumulator solenoid - (SLN-) | low_side_out | — | — | — | single_source | |
| OEM-B76-15 | A/T line-pressure solenoid - (SLT-) | low_side_out | — | — | — | single_source | |
| OEM-B76-16 | Fuel pressure-up VSV (FPU) | low_side_out | — | — | — | single_source | |
| OEM-B76-17 | A/T oil temperature (OIL) | temp_in | — | — | — | single_source | |
| OEM-B76-2 | A/T shift solenoid 2 (S2) | low_side_out | ME221-C1-42 | LOW SIDE RELAY 12 | low_side_out | single_source | |
| OEM-B76-3 | A/T shift solenoid 3 (S3) | low_side_out | ME221-C1-72 | LOW SIDE RELAY 13 | low_side_out | single_source | |
| OEM-B76-4 | OD direct-clutch speed (NCO+) | digital_in | — | — | — | single_source | |
| OEM-B76-5 | No.2 speed sensor (SP2+) | digital_in | — | — | — | single_source | |
| OEM-B76-6 | A/T shift solenoid 4 (S4) | low_side_out | ME221-C1-43 | LOW SIDE RELAY 14 | low_side_out | single_source | |
| OEM-B76-7 | A/T lock-up solenoid + (SLU+) | low_side_out | — | — | — | single_source | |
| OEM-B76-8 | A/T accumulator solenoid + (SLN+) | low_side_out | — | — | — | single_source | |
| OEM-B76-9 | A/T line-pressure solenoid + (SLT+) | low_side_out | — | — | — | single_source | |
| OEM-B77-1 | A/C request (AC) | digital_in | — | — | — | single_source | |
| OEM-B77-13 | A/C clutch relay (ACMG) | low_side_out | ME221-C1-69 | LOW SIDE 5 | low_side_out | single_source | |
| OEM-B77-14 | A/T shift down (SFTD) | digital_in | — | — | — | single_source | |
| OEM-B77-16 | A/T reverse indicator (R) | digital_in | — | — | — | single_source | |
| OEM-B77-18 | Rear right wheel speed (RRO) | digital_in | — | — | — | single_source | |
| OEM-B77-19 | Rear left wheel speed (RLO) | digital_in | — | — | — | single_source | |
| OEM-B77-2 | Starter signal (STA) | digital_in | — | — | — | single_source | |
| OEM-B77-20 | Tachometer output (TACH) | tacho_out | ME221-C1-79 | TACHOMETER | tacho_out | single_source | |
| OEM-B77-21 | ABS active (ABS) | digital_in | — | — | — | single_source | |
| OEM-B77-25 | No.1 speed sensor (SPD) | digital_in | ME221-C1-6 | DIG_IN 1 | digital_in | single_source | |
| OEM-B77-26 | Electrical load sense (ELS) | digital_in | — | — | — | single_source | |
| OEM-B77-27 | Road speed (RSPD) | digital_in | — | — | — | single_source | |
| OEM-B77-4 | A/T shift up (SFTU) | digital_in | — | — | — | single_source | |
| OEM-B77-5 | Diagnostic/timing check (TC) | digital_in | — | — | — | single_source | |
| OEM-B77-6 | Stop light switch (STP) | digital_in | — | — | — | single_source | |
| OEM-B77-7 | A/T manual position (3) | digital_in | — | — | — | single_source | |
| OEM-B78-1 | Battery constant (BATT) | power_in | — | — | — | single_source | |
| OEM-B78-10 | EFI main relay control (M-REL) | low_side_out | ME221-C1-39 | LOW SIDE 6 | low_side_out | single_source | |
| OEM-B78-11 | Serial diagnostic (SIL) | serial | — | — | — | single_source | |
| OEM-B78-16 | EFI main relay power (+B) | power_in | ME221-C1-15 + ME221-C1-64 | IGN +12V + VBAT | power_in | single_source | |
| OEM-B78-2 | TRAC snow-mode light (SNOW) | low_side_out | — | — | — | single_source | |
| OEM-B78-22 | Switch ground (EC) | sensor_ground | ME221-C1-52 + ME221-C1-84 | SENSORS GROUND + Sensor Ground | sensor_ground | single_source | |
| OEM-B78-3 | TRAC snow-mode switch (SNWI) | digital_in | — | — | — | single_source | |
| OEM-B78-4 | Fuel pump diagnostic (DI) | digital_in | — | — | — | single_source | |
| OEM-B78-5 | Fuel pump control (FPC) | low_side_out | — | — | — | single_source | |
| OEM-B78-6 | Check-engine light (W) | low_side_out | — | — | — | single_source | |
| OEM-B78-7 | ETCS-i power (+BM) | power_in | ME221-C1-15 + ME221-C1-64 | IGN +12V + VBAT | power_in | single_source | |
| OEM-B78-8 | EFI main relay power (+B2) | power_in | ME221-C1-15 + ME221-C1-64 | IGN +12V + VBAT | power_in | single_source | |
| OEM-B78-9 | Ignition switch (IGSW) | digital_in | — | — | — | single_source | |
| OEM-B79-1 | TRAC enable light (IND) | low_side_out | — | — | — | single_source | |
| OEM-B79-14 | TRAC active light (CIND) | low_side_out | — | — | — | single_source | |
| OEM-B79-17 | A/T meter LCD (LPO3) | low_side_out | — | — | — | single_source | |
| OEM-B79-18 | A/T meter LCD (SPTL) | low_side_out | — | — | — | single_source | |
| OEM-B79-19 | Reverse buzzer (BZ) | low_side_out | — | — | — | single_source | |
| OEM-B79-2 | TRAC off switch (MSW) | digital_in | — | — | — | single_source | |
| OEM-B79-3 | A/T meter LCD (LPO1) | low_side_out | — | — | — | single_source | |
| OEM-B79-4 | A/T meter LCD (LPO2) | low_side_out | — | — | — | single_source | |
| OEM-B79-7 | Front right wheel speed (FRO) | digital_in | — | — | — | single_source | |
| OEM-B79-8 | Front left wheel speed (FLO) | digital_in | — | — | — | single_source |
Cut list
| Wire | From | To | Gauge (mm²) | Colour | Length | Signal | Ident |
|---|---|---|---|---|---|---|---|
| W1 | OEM-B78-16 | SP-14V-1 | 0.85 | no route | EFI main relay power (+B) | — | |
| W2 | OEM-B78-7 | SP-14V-1 | 0.85 | no route | ETCS-i power (+BM) | — | |
| W3 | OEM-B78-8 | SP-14V-1 | 0.85 | no route | EFI main relay power (+B2) | — | |
| W4 | SP-14V-1 | ME221-C1-15 | 0.85 | no route | IGN +12V | — | |
| W5 | SP-14V-1 | ME221-C1-64 | 0.85 | no route | VBAT | — | |
| W6 | OEM-B74-21 | SP-GND-1 | 0.85 | no route | Power ground (E01) | — | |
| W7 | OEM-B74-31 | SP-GND-1 | 0.85 | no route | Power ground (E02) | — | |
| W8 | OEM-B74-9 | SP-GND-1 | 0.85 | no route | ETCS-i ground (ME01) | — | |
| W9 | OEM-B75-17 | SP-GND-1 | 0.85 | no route | Power ground (E1) | — | |
| W10 | SP-GND-1 | ME221-C1-10 | 0.85 | no route | GROUND CHASSIS | — | |
| W11 | SP-GND-1 | ME221-C1-61 | 0.85 | no route | GROUND | — | |
| W12 | SP-GND-1 | ME221-C1-89 | 0.85 | no route | GROUND | — | |
| W13 | SP-GND-1 | ME221-C1-90 | 0.85 | no route | GROUND | — | |
| W14 | OEM-B74-22 | SP-0V-1 | 0.5 | no route | Crank/cam sensor return (NE-) | — | |
| W15 | OEM-B75-18 | SP-0V-1 | 0.5 | no route | Sensor ground (E2) | — | |
| W16 | OEM-B75-19 | SP-0V-1 | 0.5 | no route | MAF ground (EVG) | — | |
| W17 | OEM-B78-22 | SP-0V-1 | 0.5 | no route | Switch ground (EC) | — | |
| W18 | SP-0V-1 | ME221-C1-52 | 0.5 | no route | SENSORS GROUND | — | |
| W19 | SP-0V-1 | ME221-C1-84 | 0.5 | no route | Sensor Ground | — | |
| W20 | OEM-B75-2 | ME221-C1-45 | 0.5 | no route | Sensor power (VC) | — | |
| W21 | OEM-B74-23 | ME221-C1-80 | 0.5 | no route | Crank position (NE+) | — | |
| W22 | OEM-B74-10 | ME221-C1-22 | 0.5 | no route | Cam position (G2) | — | |
| W23 | OEM-B74-28 | ME221-C1-53 | 0.5 | no route | Knock sensor 1 (KNK1, front) | — | |
| W24 | OEM-B74-11 | ME221-C1-32 | 0.5 | no route | Ignition 1 (IGT, cyl 1&6) | — | |
| W25 | OEM-B74-12 | ME221-C1-31 | 0.5 | no route | Ignition 2 (IGT2, cyl 5&2) | — | |
| W26 | OEM-B74-13 | ME221-C1-2 | 0.5 | no route | Ignition 3 (IGT3, cyl 3&4) | — | |
| W27 | OEM-B75-5 | ME221-C1-63 | 0.5 | no route | Injector 1 (#10) | — | |
| W28 | OEM-B75-6 | ME221-C1-4 | 0.5 | no route | Injector 2 (#20) | — | |
| W29 | OEM-B74-1 | ME221-C1-33 | 0.5 | no route | Injector 3 (#30) | — | |
| W30 | OEM-B74-2 | ME221-C1-3 | 0.5 | no route | Injector 4 (#40) | — | |
| W31 | OEM-B74-3 | ME221-C1-63 | 0.5 | no route | Injector 5 (#50) | — | |
| W32 | OEM-B74-4 | ME221-C1-4 | 0.5 | no route | Injector 6 (#60) | — | |
| W33 | OEM-B74-17 | ME221-C1-73 | 0.5 | no route | VVT-i OCV - (OCV-) | — | |
| W34 | OEM-B74-18 | ME221-C1-12 | 0.5 | no route | VVT-i OCV + (OCV+) | — | |
| W35 | OEM-B74-19 | ME221-C1-74 | 0.5 | no route | ETCS-i clutch - (CL-) | — | |
| W36 | OEM-B74-20 | ME221-C1-44 | 0.5 | no route | ETCS-i clutch + (CL+) | — | |
| W37 | OEM-B75-9 | ME221-C1-26 | 0.5 | no route | Manifold pressure (PIM) | — | |
| W38 | OEM-B75-15 | ME221-C1-56 | 0.5 | no route | Accelerator pedal 1 (VPA) | — | |
| W39 | OEM-B75-23 | ME221-C1-17 | 0.5 | no route | Throttle position 1 (VTA) | — | |
| W40 | OEM-B75-16 | ME221-C1-18 | 0.5 | no route | Accelerator pedal 2 (VPA2) | — | |
| W41 | OEM-B75-14 | ME221-C1-86 | 0.5 | no route | Coolant temperature (THW) | — | |
| W42 | OEM-B77-13 | ME221-C1-69 | 0.5 | no route | A/C clutch relay (ACMG) | — | |
| W43 | OEM-B78-10 | ME221-C1-39 | 0.5 | no route | EFI main relay control (M-REL) | — | |
| W44 | OEM-B75-4 | ME221-C1-16 | 0.5 | no route | O2 sensor heater (HT) | — | |
| W45 | OEM-B76-1 | ME221-C1-37 | 0.5 | no route | A/T shift solenoid 1 (S1) | — | |
| W46 | OEM-B76-2 | ME221-C1-42 | 0.5 | no route | A/T shift solenoid 2 (S2) | — | |
| W47 | OEM-B76-3 | ME221-C1-72 | 0.5 | no route | A/T shift solenoid 3 (S3) | — | |
| W48 | OEM-B76-6 | ME221-C1-43 | 0.5 | no route | A/T shift solenoid 4 (S4) | — | |
| W49 | OEM-B77-20 | ME221-C1-79 | 0.5 | no route | Tachometer output (TACH) | — | |
| W50 | OEM-B75-22 | ME221-C1-57 | 0.5 | no route | Intake air temperature (THA) | — | |
| W51 | OEM-B77-25 | ME221-C1-6 | 0.5 | no route | No.1 speed sensor (SPD) | — | |
| W52 | OEM-B76-11 | ME221-C1-7 | 0.5 | no route | No.2 speed sensor return (SP2-) | — |
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 (9)
| Severity | Code | Subject | Message |
|---|---|---|---|
| error | INJECTOR_BALLAST | ME221 | The 2JZ-GTE injectors (2JZ-GTE fuel injector) are low-impedance, but ME221 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 | ME221-C1-4 + OEM-B74-4 + OEM-B75-6 | 2 different OEM functions share one net: OEM-B74-4 Injector 6 (#60); OEM-B75-6 Injector 2 (#20) |
| error | NET_MERGED | ME221-C1-63 + OEM-B74-3 + OEM-B75-5 | 2 different OEM functions share one net: OEM-B74-3 Injector 5 (#50); OEM-B75-5 Injector 1 (#10) |
| error | REQUIRED_UNMAPPED | OEM-B74-7 | Required OEM function "ETCS-i motor - (M-)" (hbridge_out) is not connected to the new ECU. |
| error | REQUIRED_UNMAPPED | OEM-B74-8 | Required OEM function "ETCS-i motor + (M+)" (hbridge_out) is not connected to the new ECU. |
| error | REQUIRED_UNMAPPED | OEM-B75-24 | Required OEM function "Throttle position 2 (VTA2)" (analog_in) is not connected to the new ECU. |
| error | REQUIRED_UNMAPPED | OEM-B78-9 | Required OEM function "Ignition switch (IGSW)" (digital_in) is not connected to the new ECU. |
| warn | NO_FUEL_PUMP | fuel pump | This engine harness has no fuel-pump control path: no fuel-pump relay output is wired to the new ECU. If the stock car switches the pump outside the ECU (an airflow-meter contact or a separate module), the standalone must drive the pump relay itself — see the install notes for this car. |
| info | UNMAPPED | OEM | 54 optional OEM pins are not mapped: OEM-B74-15 Wastegate VSV (PMC); OEM-B74-24 Neutral/park switch (NSW); OEM-B74-25 Igniter verification (IGF); OEM-B74-27 Knock sensor 2 (KNK2, rear); OEM-B74-30 ETCS-i motor shield (GEO1); OEM-B74-5 Intake air bypass VSV (VSV1); OEM-B75-10 Mass air flow (VG); OEM-B75-12 O2 sensor (OX); OEM-B75-20 A/T 2nd-gear indicator (2); OEM-B75-21 A/T 1st-gear indicator (L); OEM-B75-3 Exhaust gas control VSV (VSV2); OEM-B75-7 EVAP purge VSV (PRG); OEM-B75-8 Main oil pressure switch (MOPS); OEM-B76-10 OD direct-clutch speed (NCO-); OEM-B76-12 Exhaust bypass VSV (VSV3); OEM-B76-13 A/T lock-up solenoid - (SLU-); OEM-B76-14 A/T accumulator solenoid - (SLN-); OEM-B76-15 A/T line-pressure solenoid - (SLT-); OEM-B76-16 Fuel pressure-up VSV (FPU); OEM-B76-17 A/T oil temperature (OIL); OEM-B76-4 OD direct-clutch speed (NCO+); OEM-B76-5 No.2 speed sensor (SP2+); OEM-B76-7 A/T lock-up solenoid + (SLU+); OEM-B76-8 A/T accumulator solenoid + (SLN+); OEM-B76-9 A/T line-pressure solenoid + (SLT+); OEM-B77-1 A/C request (AC); OEM-B77-14 A/T shift down (SFTD); OEM-B77-16 A/T reverse indicator (R); OEM-B77-18 Rear right wheel speed (RRO); OEM-B77-19 Rear left wheel speed (RLO); OEM-B77-2 Starter signal (STA); OEM-B77-21 ABS active (ABS); OEM-B77-26 Electrical load sense (ELS); OEM-B77-27 Road speed (RSPD); OEM-B77-4 A/T shift up (SFTU); OEM-B77-5 Diagnostic/timing check (TC); OEM-B77-6 Stop light switch (STP); OEM-B77-7 A/T manual position (3); OEM-B78-11 Serial diagnostic (SIL); OEM-B78-2 TRAC snow-mode light (SNOW); OEM-B78-3 TRAC snow-mode switch (SNWI); OEM-B78-4 Fuel pump diagnostic (DI); OEM-B78-5 Fuel pump control (FPC); OEM-B78-6 Check-engine light (W); OEM-B79-1 TRAC enable light (IND); OEM-B79-14 TRAC active light (CIND); OEM-B79-17 A/T meter LCD (LPO3); OEM-B79-18 A/T meter LCD (SPTL); OEM-B79-19 Reverse buzzer (BZ); OEM-B79-2 TRAC off switch (MSW); OEM-B79-3 A/T meter LCD (LPO1); OEM-B79-4 A/T meter LCD (LPO2); OEM-B79-7 Front right wheel speed (FRO); OEM-B79-8 Front left wheel speed (FLO) |
Accepted (1)
| Code | Subject | Reason | By |
|---|---|---|---|
| REQUIRED_UNMAPPED | OEM-B78-1 | 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: - No drive-by-wire; needs a cable-throttle conversion or an external DBW controller - Trigger pattern for Toyota 2JZ not found in the ECU's docs (Trigger-pattern list is only inside MEITE software, not published online) - Only 4 ignition outputs for 6 cylinders: wasted spark (pair coils per firing order) - Only 4 injector outputs for 6 injectors: batch / semi-sequential injection 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-B78 9: 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); Motorsport Electronics ME221 has no dedicated key-on input - OEM-B75 24: Throttle position 2 (VTA2): no free tps/analog_0_5 on Motorsport Electronics ME221 - OEM-B74 7: ETCS-i motor - (M-): no +/− pair in the pinout (multi-phase or half-documented motor); wire by hand - OEM-B74 8: ETCS-i motor + (M+): no +/− pair in the pinout (multi-phase or half-documented motor); wire by hand Not wired: - OEM-B78 1: Battery constant (BATT): Motorsport Electronics ME221 has no battery-constant input; not needed - OEM-B74 27: Knock sensor 2 (KNK2, rear): no free knock input on Motorsport Electronics ME221 - OEM-B74 30: ETCS-i motor shield (GEO1): no shield pin on Motorsport Electronics ME221 - OEM-B74 15: Wastegate VSV (PMC): no free low_side/relay_control/heater_low_side/ls_hs/injector on Motorsport Electronics ME221 - OEM-B74 5: Intake air bypass VSV (VSV1): no free low_side/relay_control/heater_low_side/ls_hs/injector on Motorsport Electronics ME221 - OEM-B75 3: Exhaust gas control VSV (VSV2): no free low_side/relay_control/heater_low_side/ls_hs/injector on Motorsport Electronics ME221 - OEM-B75 7: EVAP purge VSV (PRG): no free low_side/relay_control/heater_low_side/ls_hs/injector on Motorsport Electronics ME221 - OEM-B76 12: Exhaust bypass VSV (VSV3): no free low_side/relay_control/heater_low_side/ls_hs/injector on Motorsport Electronics ME221 - OEM-B76 13: A/T lock-up solenoid - (SLU-): no free low_side/relay_control/heater_low_side/ls_hs/injector on Motorsport Electronics ME221 - OEM-B76 14: A/T accumulator solenoid - (SLN-): no free low_side/relay_control/heater_low_side/ls_hs/injector on Motorsport Electronics ME221 - OEM-B76 15: A/T line-pressure solenoid - (SLT-): no free low_side/relay_control/heater_low_side/ls_hs/injector on Motorsport Electronics ME221 - OEM-B76 16: Fuel pressure-up VSV (FPU): no free low_side/relay_control/heater_low_side/ls_hs/injector on Motorsport Electronics ME221 - OEM-B76 7: A/T lock-up solenoid + (SLU+): no free low_side/relay_control/heater_low_side/ls_hs/injector on Motorsport Electronics ME221 - OEM-B76 8: A/T accumulator solenoid + (SLN+): no free low_side/relay_control/heater_low_side/ls_hs/injector on Motorsport Electronics ME221 - OEM-B76 9: A/T line-pressure solenoid + (SLT+): no free low_side/relay_control/heater_low_side/ls_hs/injector on Motorsport Electronics ME221 - OEM-B78 2: TRAC snow-mode light (SNOW): no free low_side/relay_control/heater_low_side/ls_hs/injector on Motorsport Electronics ME221 - OEM-B78 5: Fuel pump control (FPC): no free low_side/relay_control/heater_low_side/ls_hs/injector on Motorsport Electronics ME221 - OEM-B78 6: Check-engine light (W): no free low_side/relay_control/heater_low_side/ls_hs/injector on Motorsport Electronics ME221 - OEM-B79 1: TRAC enable light (IND): no free low_side/relay_control/heater_low_side/ls_hs/injector on Motorsport Electronics ME221 - OEM-B79 14: TRAC active light (CIND): no free low_side/relay_control/heater_low_side/ls_hs/injector on Motorsport Electronics ME221 - OEM-B79 17: A/T meter LCD (LPO3): no free low_side/relay_control/heater_low_side/ls_hs/injector on Motorsport Electronics ME221 - OEM-B79 18: A/T meter LCD (SPTL): no free low_side/relay_control/heater_low_side/ls_hs/injector on Motorsport Electronics ME221 - OEM-B79 19: Reverse buzzer (BZ): no free low_side/relay_control/heater_low_side/ls_hs/injector on Motorsport Electronics ME221 - OEM-B79 3: A/T meter LCD (LPO1): no free low_side/relay_control/heater_low_side/ls_hs/injector on Motorsport Electronics ME221 - OEM-B79 4: A/T meter LCD (LPO2): no free low_side/relay_control/heater_low_side/ls_hs/injector on Motorsport Electronics ME221 - OEM-B75 10: Mass air flow (VG): no free maf/analog_0_5 on Motorsport Electronics ME221 - OEM-B75 12: O2 sensor (OX): no free o2_narrowband/analog_0_5 on Motorsport Electronics ME221 - OEM-B76 17: A/T oil temperature (OIL): no free thermistor/analog_0_5 on Motorsport Electronics ME221 - OEM-B76 5: No.2 speed sensor (SP2+): no free frequency_in/switch_in on Motorsport Electronics ME221 - OEM-B74 25: Igniter verification (IGF): no free frequency_in/switch_in on Motorsport Electronics ME221 - OEM-B76 10: OD direct-clutch speed (NCO-): no free frequency_in/switch_in on Motorsport Electronics ME221 - OEM-B76 4: OD direct-clutch speed (NCO+): no free frequency_in/switch_in on Motorsport Electronics ME221 - OEM-B77 18: Rear right wheel speed (RRO): no free frequency_in/switch_in on Motorsport Electronics ME221 - OEM-B77 19: Rear left wheel speed (RLO): no free frequency_in/switch_in on Motorsport Electronics ME221 - OEM-B77 27: Road speed (RSPD): no free frequency_in/switch_in on Motorsport Electronics ME221 - OEM-B78 4: Fuel pump diagnostic (DI): no free frequency_in/switch_in on Motorsport Electronics ME221 - OEM-B79 7: Front right wheel speed (FRO): no free frequency_in/switch_in on Motorsport Electronics ME221 - OEM-B79 8: Front left wheel speed (FLO): no free frequency_in/switch_in on Motorsport Electronics ME221 - OEM-B75 21: A/T 1st-gear indicator (L): no free switch_in/frequency_in/analog_0_5 on Motorsport Electronics ME221 - OEM-B75 20: A/T 2nd-gear indicator (2): no free switch_in/frequency_in/analog_0_5 on Motorsport Electronics ME221 - OEM-B74 24: Neutral/park switch (NSW): no free switch_in/frequency_in/analog_0_5 on Motorsport Electronics ME221 - OEM-B75 8: Main oil pressure switch (MOPS): no free switch_in/frequency_in/analog_0_5 on Motorsport Electronics ME221 - OEM-B77 1: A/C request (AC): no free switch_in/frequency_in/analog_0_5 on Motorsport Electronics ME221 - OEM-B77 14: A/T shift down (SFTD): no free switch_in/frequency_in/analog_0_5 on Motorsport Electronics ME221 - OEM-B77 16: A/T reverse indicator (R): no free switch_in/frequency_in/analog_0_5 on Motorsport Electronics ME221 - OEM-B77 2: Starter signal (STA): no free switch_in/frequency_in/analog_0_5 on Motorsport Electronics ME221 - OEM-B77 21: ABS active (ABS): no free switch_in/frequency_in/analog_0_5 on Motorsport Electronics ME221 - OEM-B77 26: Electrical load sense (ELS): no free switch_in/frequency_in/analog_0_5 on Motorsport Electronics ME221 - OEM-B77 4: A/T shift up (SFTU): no free switch_in/frequency_in/analog_0_5 on Motorsport Electronics ME221 - OEM-B77 5: Diagnostic/timing check (TC): no free switch_in/frequency_in/analog_0_5 on Motorsport Electronics ME221 - OEM-B77 6: Stop light switch (STP): no free switch_in/frequency_in/analog_0_5 on Motorsport Electronics ME221 - OEM-B77 7: A/T manual position (3): no free switch_in/frequency_in/analog_0_5 on Motorsport Electronics ME221 - OEM-B78 3: TRAC snow-mode switch (SNWI): no free switch_in/frequency_in/analog_0_5 on Motorsport Electronics ME221 - OEM-B79 2: TRAC off switch (MSW): no free switch_in/frequency_in/analog_0_5 on Motorsport Electronics ME221 - OEM-B78 11: Serial diagnostic (SIL): no free k_line on Motorsport Electronics ME221
Sources
| Reliability | Kind | Title | URL | Archive | Captured | SHA-256 |
|---|---|---|---|---|---|---|
| 4 | vendor_doc | Motorsport Electronics GEN2 ME221/ME360/ME442 wire-in pinout | https://motorsport-electronics.co.uk/onlinehelp/html/ME442ME360ME221GEN2Wire-InPinout.html | — | — | — |
| 3 | community_copy | wilbo666: 2JZ-GTE VVTi JZA80 Supra Engine Wiring (ECU pinout, B74-B79) | http://wilbo666.pbworks.com/w/page/57949268/2JZ-GTE%20VVTi%20JZA80%20Supra%20Engine%20Wiring | — | — | — |