MX-5 Miata NB1 1999-00 (BP-4W) → MoTeC M190 13190 (auto)
MX-5 Miata NB1 1999-00 (BP-4W) — MoTeC — M190
Drawn by Michael Gnankou · Rev 0 · proposal · 2026-10-05
Revisions
| Rev | Label | By | Date |
|---|---|---|---|
| No revisions yet. | |||
Schematic
Connectors
M190-A
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Low Side Injector 3 | — | W37 | — | 0.5 | OEM-1-S | — | — | — |
| 10 | Low Side Injector 8 | — | W48 | — | 0.5 | OEM-2-P | — | — | — |
| 11 | Peak Hold Injector 1 | — | W31 | — | 0.5 | OEM-3-W | — | — | — |
| 12 | Peak Hold Injector 2 | — | W34 | — | 0.5 | OEM-3-Z | — | — | — |
| 13 | Analogue Voltage Input 11 | — | — | — | — | — | — | — | — |
| 14 | Digital Input 2 | — | W64 | — | 0.5 | OEM-1-G | — | — | — |
| 15 | RS232 Receive | — | — | — | — | — | — | — | — |
| 16 | Sensor 5.0V C3 | — | W25 | — | 0.5 | OEM-2-I | — | — | — |
| 17 | Low Side Injector 11 | — | W51 | — | 0.5 | OEM-3-T | — | — | — |
| 18 | Sensor 0V C1 | — | W18 | — | 0.5 | SP-0V-1 | — | — | — |
| 19 | Sensor 0V C2 | — | W19 | — | 0.5 | SP-0V-1 | — | — | — |
| 2 | Low Side Injector 2 | — | W35 | — | 0.5 | OEM-1-I | — | — | — |
| 20 | Sensor 0V C3 | — | W20 | — | 0.5 | SP-0V-1 | — | — | — |
| 21 | Digital Input 1 | — | W63 | — | 0.5 | OEM-1-F | — | — | — |
| 22 | LIN Bus | — | — | — | — | — | — | — | — |
| 23 | RS232 Transmit | — | — | — | — | — | — | — | — |
| 24 | CAN Bus 2 High | — | — | — | — | — | — | — | — |
| 25 | Low Side Injector 7 | — | W47 | — | 0.5 | OEM-2-O | — | — | — |
| 26 | Peak Hold Injector 3 | — | — | — | — | — | — | — | — |
| 27 | Analogue Voltage Input 15 | — | — | — | — | — | — | — | — |
| 28 | Analogue Voltage Input 16 | — | — | — | — | — | — | — | — |
| 29 | Analogue Voltage Input 17 | — | — | — | — | — | — | — | — |
| 3 | Low Side Injector 1 | — | W32 | — | 0.5 | OEM-3-X | — | — | — |
| 30 | Digital Input 3 | — | W65 | — | 0.5 | OEM-1-P | — | — | — |
| 31 | CAN Bus 2 Low | — | — | — | — | — | — | — | — |
| 32 | Low Side Injector 10 | — | W50 | — | 0.5 | OEM-3-Q | — | — | — |
| 33 | Peak Hold Injector 4 | — | — | — | — | — | — | — | — |
| 34 | Analogue Voltage Input 13 | — | — | — | — | — | — | — | — |
| 35 | Analogue Voltage Input 12 | — | — | — | — | — | — | — | — |
| 36 | Peak Hold Injector 7 | — | — | — | — | — | — | — | — |
| 37 | Digital Input 4 | — | W66 | — | 0.5 | OEM-1-V | — | — | — |
| 38 | Battery Backup | — | W7 | — | 0.85 | OEM-1-A | — | — | — |
| 39 | CAN Bus 3 High | — | — | — | — | — | — | — | — |
| 4 | Low Side Injector 12 | — | W52 | — | 0.5 | OEM-3-U | — | — | — |
| 40 | Low Side Injector 6 | — | W45 | — | 0.5 | OEM-2-M | — | — | — |
| 41 | Analogue Voltage Input 14 | — | — | — | — | — | — | — | — |
| 42 | Peak Hold Injector 9 | — | — | — | — | — | — | — | — |
| 43 | Peak Hold Injector 10 | — | — | — | — | — | — | — | — |
| 44 | Peak Hold Injector 6 | — | — | — | — | — | — | — | — |
| 45 | Peak Hold Injector 5 | — | — | — | — | — | — | — | — |
| 46 | CAN Bus 3 Low | — | — | — | — | — | — | — | — |
| 47 | Low Side Injector 9 | — | W49 | — | 0.5 | OEM-3-L | — | — | — |
| 48 | Low Side Injector 5 | — | W43 | — | 0.5 | OEM-1-O | — | — | — |
| 49 | Peak Hold Injector 11 | — | — | — | — | — | — | — | — |
| 5 | Low Side Injector 4 | — | W41 | — | 0.5 | OEM-3-O | — | — | — |
| 50 | Peak Hold Injector 12 | — | — | — | — | — | — | — | — |
| 51 | Peak Hold Injector 8 | — | — | — | — | — | — | — | — |
| 52 | Low Side Ignition 12 | — | — | — | — | — | — | — | — |
| 53 | Low Side Ignition 9 | — | — | — | — | — | — | — | — |
| 54 | Low Side Ignition 10 | — | — | — | — | — | — | — | — |
| 55 | Low Side Ignition 11 | — | — | — | — | — | — | — | — |
| 6 | Lambda Narrow Input 2 | — | W56 | — | 0.5 | OEM-3-J | — | — | — |
| 7 | Lambda Narrow Input 1 | — | W55 | — | 0.5 | OEM-2-C | — | — | — |
| 8 | Sensor 5.0V C1 | — | — | — | — | — | — | — | — |
| 9 | Sensor 5.0V C2 | — | — | — | — | — | — | — | — |
M190-B
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| a | Low Side Injector 5 | — | W44 | — | 0.5 | OEM-1-Q | — | — | — |
| A | Half Bridge Output 1 | — | W39 | — | 0.5 | OEM-1-U | — | — | — |
| b | Low Side Injector 3 | — | W38 | — | 0.5 | OEM-3-N | — | — | — |
| B | Half Bridge Output 2 | — | W40 | — | 0.5 | OEM-3-V | — | — | — |
| c | Battery Negative 6 | — | W11 | — | 0.85 | SP-GND-1 | — | — | — |
| C | Half Bridge Output 3 | — | — | — | — | — | — | — | — |
| D | Half Bridge Output 4 | — | — | — | — | — | — | — | — |
| E | Half Bridge Output 5 | — | — | — | — | — | — | — | — |
| F | Half Bridge Output 6 | — | — | — | — | — | — | — | — |
| G | Battery Negative 1 | — | W12 | — | 0.85 | SP-GND-1 | — | — | — |
| H | Battery Positive 1 | — | W3 | — | 0.85 | SP-14V-1 | — | — | — |
| J | Battery Positive 2 | — | W4 | — | 0.85 | SP-14V-1 | — | — | — |
| K | Battery Positive 3 | — | W5 | — | 0.85 | SP-14V-1 | — | — | — |
| L | Battery Positive 4 | — | W6 | — | 0.85 | SP-14V-1 | — | — | — |
| M | Half Bridge Output 10 | — | — | — | — | — | — | — | — |
| N | Half Bridge Output 9 | — | — | — | — | — | — | — | — |
| P | Half Bridge Output 8 | — | — | — | — | — | — | — | — |
| R | Half Bridge Output 7 | — | — | — | — | — | — | — | — |
| S | Low Side Injector 4 | — | W42 | — | 0.5 | OEM-1-E | — | — | — |
| T | Low Side Injector 6 | — | W46 | — | 0.5 | OEM-2-N | — | — | — |
| U | Low Side Injector 1 | — | W33 | — | 0.5 | OEM-3-Y | — | — | — |
| V | Low Side Injector 2 | — | W36 | — | 0.5 | OEM-1-R | — | — | — |
| W | Battery Negative 2 | — | W13 | — | 0.85 | SP-GND-1 | — | — | — |
| X | Battery Negative 3 | — | W14 | — | 0.85 | SP-GND-1 | — | — | — |
| Y | Battery Negative 4 | — | W15 | — | 0.85 | SP-GND-1 | — | — | — |
| Z | Battery Negative 5 | — | W16 | — | 0.85 | SP-GND-1 | — | — | — |
M190-C
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Low Side Ignition 4 | — | — | — | — | — | — | — | — |
| 10 | Universal Digital Input 8 | — | — | — | — | — | — | — | — |
| 11 | Analogue Voltage Input 6 | — | — | — | — | — | — | — | — |
| 12 | Analogue Voltage Input 7 | — | — | — | — | — | — | — | — |
| 13 | Analogue Voltage Input 9 | — | — | — | — | — | — | — | — |
| 14 | Sensor 0V A1 | — | W21 | — | 0.5 | SP-0V-1 | — | — | — |
| 15 | Sensor 0V A2 | — | W22 | — | 0.5 | SP-0V-1 | — | — | — |
| 16 | Low Side Ignition 1 | — | W29 | — | 0.5 | OEM-3-G | — | — | — |
| 17 | Universal Digital Input 7 | — | — | — | — | — | — | — | — |
| 18 | Universal Digital Input 1 | — | W26 | — | 0.5 | OEM-2-J | — | — | — |
| 19 | Universal Digital Input 12 | — | — | — | — | — | — | — | — |
| 2 | Low Side Ignition 3 | — | — | — | — | — | — | — | — |
| 20 | Universal Digital Input 11 | — | — | — | — | — | — | — | — |
| 21 | Universal Digital Input 10 | — | — | — | — | — | — | — | — |
| 22 | Universal Digital Input 9 | — | — | — | — | — | — | — | — |
| 23 | Sensor 0V B1 | — | W23 | — | 0.5 | SP-0V-1 | — | — | — |
| 24 | CAN Bus 1 High | — | — | — | — | — | — | — | — |
| 25 | Universal Digital Input 3 | — | W62 | — | 0.5 | OEM-2-D | — | — | — |
| 26 | Ethernet Receive - | — | — | — | — | — | — | — | — |
| 27 | Universal Digital Input 4 | — | W67 | — | 0.5 | OEM-3-I | — | — | — |
| 28 | Analogue Voltage Input 4 | — | W60 | — | 0.5 | OEM-3-K | — | — | — |
| 29 | Analogue Voltage Input 5 | — | W61 | — | 0.5 | OEM-3-S | — | — | — |
| 3 | Low Side Ignition 8 | — | — | — | — | — | — | — | — |
| 30 | Sensor 0V B2 | — | W24 | — | 0.5 | SP-0V-1 | — | — | — |
| 31 | CAN Bus 1 Low | — | — | — | — | — | — | — | — |
| 32 | Universal Digital Input 2 | — | W27 | — | 0.5 | OEM-2-H | — | — | — |
| 33 | Ethernet Receive + | — | — | — | — | — | — | — | — |
| 34 | Ethernet Transmit - | — | — | — | — | — | — | — | — |
| 35 | Analogue Voltage Input 3 | — | W59 | — | 0.5 | OEM-2-A | — | — | — |
| 36 | Analogue Voltage Input 2 | — | W54 | — | 0.5 | OEM-3-E | — | — | — |
| 37 | Analogue Temperature Input 1 | — | W57 | — | 0.5 | OEM-2-E | — | — | — |
| 38 | Analogue Temperature Input 3 | — | — | — | — | — | — | — | — |
| 39 | Analogue Temperature Input 2 | — | W58 | — | 0.5 | OEM-2-B | — | — | — |
| 4 | Low Side Ignition 6 | — | — | — | — | — | — | — | — |
| 40 | Universal Digital Input 5 | — | — | — | — | — | — | — | — |
| 41 | Ethernet Transmit + | — | — | — | — | — | — | — | — |
| 42 | Analogue Voltage Input 1 | — | W53 | — | 0.5 | OEM-2-L | — | — | — |
| 43 | Knock Input 3 | — | — | — | — | — | — | — | — |
| 44 | Knock Input 2 | — | — | — | — | — | — | — | — |
| 45 | Analogue Temperature Input 5 | — | — | — | — | — | — | — | — |
| 46 | Analogue Temperature Input 4 | — | — | — | — | — | — | — | — |
| 47 | Universal Digital Input 6 | — | — | — | — | — | — | — | — |
| 48 | Sensor 5.0V A1 | — | — | — | — | — | — | — | — |
| 49 | Knock Input 4 | — | — | — | — | — | — | — | — |
| 5 | Low Side Ignition 5 | — | — | — | — | — | — | — | — |
| 50 | Sensor 5.0V B1 | — | — | — | — | — | — | — | — |
| 51 | Knock Input 1 | — | W28 | — | 0.5 | OEM-2-F | — | — | — |
| 52 | Analogue Temperature Input 6 | — | — | — | — | — | — | — | — |
| 53 | Sensor 5.0V A2 | — | — | — | — | — | — | — | — |
| 54 | Sensor 6.3V | — | — | — | — | — | — | — | — |
| 55 | Sensor 5.0V B2 | — | — | — | — | — | — | — | — |
| 6 | Analogue Voltage Input 8 | — | — | — | — | — | — | — | — |
| 7 | Analogue Voltage Input 10 | — | — | — | — | — | — | — | — |
| 8 | Low Side Ignition 2 | — | W30 | — | 0.5 | OEM-3-H | — | — | — |
| 9 | Low Side Ignition 7 | — | — | — | — | — | — | — | — |
OEM-1
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| A | Constant +12V | — | W7 | — | 0.85 | M190-A-38 | — | — | — |
| B | ECU power +14V (main relay) | — | W1 | — | 0.85 | SP-14V-1 | — | — | — |
| E | Malfunction indicator lamp (MIL) | — | W42 | — | 0.5 | M190-B-S | — | — | — |
| F | Brake switch | — | W63 | — | 0.5 | M190-A-21 | — | — | — |
| G | Power steering pressure switch | — | W64 | — | 0.5 | M190-A-14 | — | — | — |
| I | Condenser fan relay | — | W35 | — | 0.5 | M190-A-2 | — | — | — |
| O | Alternator control | — | W43 | — | 0.5 | M190-A-48 | — | — | — |
| P | A/C request | — | W65 | — | 0.5 | M190-A-30 | — | — | — |
| Q | Charge lamp | — | W44 | — | 0.5 | M190-B-a | — | — | — |
| R | Cooling fan relay | — | W36 | — | 0.5 | M190-B-V | — | — | — |
| S | A/C clutch relay | — | W37 | — | 0.5 | M190-A-1 | — | — | — |
| U | Front O2 heater | — | W39 | — | 0.5 | M190-B-A | — | — | — |
| V | Neutral switch | — | W66 | — | 0.5 | M190-A-37 | — | — | — |
OEM-2
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| A | Fuel tank pressure | — | W59 | — | 0.5 | M190-C-35 | — | — | — |
| B | Intake air temperature (IAT) | — | W58 | — | 0.5 | M190-C-39 | — | — | — |
| C | Front O2 signal | — | W55 | — | 0.5 | M190-A-7 | — | — | — |
| D | Vehicle speed | — | W62 | — | 0.5 | M190-C-25 | — | — | — |
| E | Coolant temperature (ECT) | — | W57 | — | 0.5 | M190-C-37 | — | — | — |
| F | Knock sensor | — | W28 | — | 0.5 | M190-C-51 | — | — | — |
| H | Cam position (CMP) | — | W27 | — | 0.5 | M190-C-32 | — | — | — |
| I | +5V sensor supply | — | W25 | — | 0.5 | M190-A-16 | — | — | — |
| J | Crank position (CKP) | — | W26 | — | 0.5 | M190-C-18 | — | — | — |
| K | Tachometer output | — | — | — | — | — | — | — | — |
| L | Mass air flow (MAF) | — | W53 | — | 0.5 | M190-C-42 | — | — | — |
| M | EGR valve | — | W45 | — | 0.5 | M190-A-40 | — | — | — |
| N | EGR valve | — | W46 | — | 0.5 | M190-B-T | — | — | — |
| O | EGR valve | — | W47 | — | 0.5 | M190-A-25 | — | — | — |
| P | EGR valve | — | W48 | — | 0.5 | M190-A-10 | — | — | — |
OEM-3
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| A | Power ground | — | W8 | — | 0.85 | SP-GND-1 | — | — | — |
| B | Power ground | — | W9 | — | 0.85 | SP-GND-1 | — | — | — |
| C | Power ground | — | W10 | — | 0.85 | SP-GND-1 | — | — | — |
| E | Throttle position (TPS) | — | W54 | — | 0.5 | M190-C-36 | — | — | — |
| F | Signal ground | — | W17 | — | 0.5 | SP-0V-1 | — | — | — |
| G | Ignition 1 (coils 1+4, wasted spark) | — | W29 | — | 0.5 | M190-C-16 | — | — | — |
| H | Ignition 2 (coils 2+3, wasted spark) | — | W30 | — | 0.5 | M190-C-8 | — | — | — |
| I | Clutch switch | — | W67 | — | 0.5 | M190-C-27 | — | — | — |
| J | Rear O2 signal | — | W56 | — | 0.5 | M190-A-6 | — | — | — |
| K | Fuel level | — | W60 | — | 0.5 | M190-C-28 | — | — | — |
| L | Evap purge solenoid | — | W49 | — | 0.5 | M190-A-47 | — | — | — |
| M | ISC valve +14V feed | — | W2 | — | 0.85 | SP-14V-1 | — | — | — |
| N | Fuel pump relay | — | W38 | — | 0.5 | M190-B-b | — | — | — |
| O | ISC valve low side | — | W41 | — | 0.5 | M190-A-5 | — | — | — |
| Q | VICS solenoid (intake butterflies) | — | W50 | — | 0.5 | M190-A-32 | — | — | — |
| S | EGR boost sensor | — | W61 | — | 0.5 | M190-C-29 | — | — | — |
| T | EGR boost solenoid | — | W51 | — | 0.5 | M190-A-17 | — | — | — |
| U | Canister drain cut valve (CDCV) | — | W52 | — | 0.5 | M190-A-4 | — | — | — |
| V | Rear O2 heater | — | W40 | — | 0.5 | M190-B-B | — | — | — |
| W | Injector 1 | — | W31 | — | 0.5 | M190-A-11 | — | — | — |
| X | Injector 2 | — | W32 | — | 0.5 | M190-A-3 | — | — | — |
| Y | Injector 3 | — | W33 | — | 0.5 | M190-B-U | — | — | — |
| Z | Injector 4 | — | W34 | — | 0.5 | M190-A-12 | — | — | — |
SP-0V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W17 | — | 0.5 | OEM-3-F | — | — | — |
| 1 | — | — | W18 | — | 0.5 | M190-A-18 | — | — | — |
| 1 | — | — | W19 | — | 0.5 | M190-A-19 | — | — | — |
| 1 | — | — | W20 | — | 0.5 | M190-A-20 | — | — | — |
| 1 | — | — | W21 | — | 0.5 | M190-C-14 | — | — | — |
| 1 | — | — | W22 | — | 0.5 | M190-C-15 | — | — | — |
| 1 | — | — | W23 | — | 0.5 | M190-C-23 | — | — | — |
| 1 | — | — | W24 | — | 0.5 | M190-C-30 | — | — | — |
SP-14V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W1 | — | 0.85 | OEM-1-B | — | — | — |
| 1 | — | — | W2 | — | 0.85 | OEM-3-M | — | — | — |
| 1 | — | — | W3 | — | 0.85 | M190-B-H | — | — | — |
| 1 | — | — | W4 | — | 0.85 | M190-B-J | — | — | — |
| 1 | — | — | W5 | — | 0.85 | M190-B-K | — | — | — |
| 1 | — | — | W6 | — | 0.85 | M190-B-L | — | — | — |
SP-GND
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W8 | — | 0.85 | OEM-3-A | — | — | — |
| 1 | — | — | W9 | — | 0.85 | OEM-3-B | — | — | — |
| 1 | — | — | W10 | — | 0.85 | OEM-3-C | — | — | — |
| 1 | — | — | W11 | — | 0.85 | M190-B-c | — | — | — |
| 1 | — | — | W12 | — | 0.85 | M190-B-G | — | — | — |
| 1 | — | — | W13 | — | 0.85 | M190-B-W | — | — | — |
| 1 | — | — | W14 | — | 0.85 | M190-B-X | — | — | — |
| 1 | — | — | W15 | — | 0.85 | M190-B-Y | — | — | — |
| 1 | — | — | W16 | — | 0.85 | M190-B-Z | — | — | — |
Pin map
| OEM point | OEM function | OEM family | Target point | Target function | Target family | Wire colour | Evidence |
|---|---|---|---|---|---|---|---|
| OEM-1-A | Constant +12V | power_in | M190-A-38 | Battery Backup | power_in | single_source | |
| OEM-1-B | ECU power +14V (main relay) | power_in | M190-B-H + M190-B-J + M190-B-K + M190-B-L | Battery Positive 1 + Battery Positive 2 + Battery Positive 3 + Battery Positive 4 | power_in | single_source | |
| OEM-1-E | Malfunction indicator lamp (MIL) | low_side_out | M190-B-S | Low Side Injector 4 | injector_out | single_source | |
| OEM-1-F | Brake switch | digital_in | M190-A-21 | Digital Input 1 | digital_in | single_source | |
| OEM-1-G | Power steering pressure switch | digital_in | M190-A-14 | Digital Input 2 | digital_in | single_source | |
| OEM-1-I | Condenser fan relay | low_side_out | M190-A-2 | Low Side Injector 2 | injector_out | single_source | |
| OEM-1-O | Alternator control | low_side_out | M190-A-48 | Low Side Injector 5 | injector_out | single_source | |
| OEM-1-P | A/C request | digital_in | M190-A-30 | Digital Input 3 | digital_in | single_source | |
| OEM-1-Q | Charge lamp | low_side_out | M190-B-a | Low Side Injector 5 | injector_out | single_source | |
| OEM-1-R | Cooling fan relay | low_side_out | M190-B-V | Low Side Injector 2 | injector_out | single_source | |
| OEM-1-S | A/C clutch relay | low_side_out | M190-A-1 | Low Side Injector 3 | injector_out | single_source | |
| OEM-1-U | Front O2 heater | low_side_out | M190-B-A | Half Bridge Output 1 | hbridge_out | single_source | |
| OEM-1-V | Neutral switch | digital_in | M190-A-37 | Digital Input 4 | digital_in | single_source | |
| OEM-2-A | Fuel tank pressure | analog_in | M190-C-35 | Analogue Voltage Input 3 | analog_in | single_source | |
| OEM-2-B | Intake air temperature (IAT) | temp_in | M190-C-39 | Analogue Temperature Input 2 | temp_in | single_source | |
| OEM-2-C | Front O2 signal | lambda_nb_in | M190-A-7 | Lambda Narrow Input 1 | lambda_nb_in | single_source | |
| OEM-2-D | Vehicle speed | digital_in | M190-C-25 | Universal Digital Input 3 | digital_in | single_source | |
| OEM-2-E | Coolant temperature (ECT) | temp_in | M190-C-37 | Analogue Temperature Input 1 | temp_in | single_source | |
| OEM-2-F | Knock sensor | knock_in | M190-C-51 | Knock Input 1 | knock_in | single_source | |
| OEM-2-H | Cam position (CMP) | trigger_in | M190-C-32 | Universal Digital Input 2 | digital_in | single_source | |
| OEM-2-I | +5V sensor supply | vref | M190-A-16 | Sensor 5.0V C3 | vref | single_source | |
| OEM-2-J | Crank position (CKP) | trigger_in | M190-C-18 | Universal Digital Input 1 | digital_in | single_source | |
| OEM-2-K | Tachometer output | tacho_out | — | — | — | single_source | |
| OEM-2-L | Mass air flow (MAF) | analog_in | M190-C-42 | Analogue Voltage Input 1 | analog_in | single_source | |
| OEM-2-M | EGR valve | low_side_out | M190-A-40 | Low Side Injector 6 | injector_out | single_source | |
| OEM-2-N | EGR valve | low_side_out | M190-B-T | Low Side Injector 6 | injector_out | single_source | |
| OEM-2-O | EGR valve | low_side_out | M190-A-25 | Low Side Injector 7 | injector_out | single_source | |
| OEM-2-P | EGR valve | low_side_out | M190-A-10 | Low Side Injector 8 | injector_out | single_source | |
| OEM-3-A | Power ground | ground | M190-B-G + M190-B-W + M190-B-X + M190-B-Y + M190-B-Z + M190-B-c | Battery Negative 1 + Battery Negative 2 + Battery Negative 3 + Battery Negative 4 + Battery Negative 5 + Battery Negative 6 | ground | single_source | |
| OEM-3-B | Power ground | ground | M190-B-G + M190-B-W + M190-B-X + M190-B-Y + M190-B-Z + M190-B-c | Battery Negative 1 + Battery Negative 2 + Battery Negative 3 + Battery Negative 4 + Battery Negative 5 + Battery Negative 6 | ground | single_source | |
| OEM-3-C | Power ground | ground | M190-B-G + M190-B-W + M190-B-X + M190-B-Y + M190-B-Z + M190-B-c | Battery Negative 1 + Battery Negative 2 + Battery Negative 3 + Battery Negative 4 + Battery Negative 5 + Battery Negative 6 | ground | single_source | |
| OEM-3-E | Throttle position (TPS) | analog_in | M190-C-36 | Analogue Voltage Input 2 | analog_in | single_source | |
| OEM-3-F | Signal ground | sensor_ground | M190-A-18 + M190-A-19 + M190-A-20 + M190-C-14 + M190-C-15 + M190-C-23 + M190-C-30 | Sensor 0V C1 + Sensor 0V C2 + Sensor 0V C3 + Sensor 0V A1 + Sensor 0V A2 + Sensor 0V B1 + Sensor 0V B2 | sensor_ground | single_source | |
| OEM-3-G | Ignition 1 (coils 1+4, wasted spark) | ignition_out | M190-C-16 | Low Side Ignition 1 | ignition_out | single_source | |
| OEM-3-H | Ignition 2 (coils 2+3, wasted spark) | ignition_out | M190-C-8 | Low Side Ignition 2 | ignition_out | single_source | |
| OEM-3-I | Clutch switch | digital_in | M190-C-27 | Universal Digital Input 4 | digital_in | single_source | |
| OEM-3-J | Rear O2 signal | lambda_nb_in | M190-A-6 | Lambda Narrow Input 2 | lambda_nb_in | single_source | |
| OEM-3-K | Fuel level | analog_in | M190-C-28 | Analogue Voltage Input 4 | analog_in | single_source | |
| OEM-3-L | Evap purge solenoid | low_side_out | M190-A-47 | Low Side Injector 9 | injector_out | single_source | |
| OEM-3-M | ISC valve +14V feed | power_in | M190-B-H + M190-B-J + M190-B-K + M190-B-L | Battery Positive 1 + Battery Positive 2 + Battery Positive 3 + Battery Positive 4 | power_in | single_source | |
| OEM-3-N | Fuel pump relay | low_side_out | M190-B-b | Low Side Injector 3 | injector_out | single_source | |
| OEM-3-O | ISC valve low side | low_side_out | M190-A-5 | Low Side Injector 4 | injector_out | single_source | |
| OEM-3-Q | VICS solenoid (intake butterflies) | low_side_out | M190-A-32 | Low Side Injector 10 | injector_out | single_source | |
| OEM-3-S | EGR boost sensor | analog_in | M190-C-29 | Analogue Voltage Input 5 | analog_in | single_source | |
| OEM-3-T | EGR boost solenoid | low_side_out | M190-A-17 | Low Side Injector 11 | injector_out | single_source | |
| OEM-3-U | Canister drain cut valve (CDCV) | low_side_out | M190-A-4 | Low Side Injector 12 | injector_out | single_source | |
| OEM-3-V | Rear O2 heater | low_side_out | M190-B-B | Half Bridge Output 2 | hbridge_out | single_source | |
| OEM-3-W | Injector 1 | injector_out | M190-A-11 | Peak Hold Injector 1 | injector_out | single_source | |
| OEM-3-X | Injector 2 | injector_out | M190-A-3 | Low Side Injector 1 | injector_out | single_source | |
| OEM-3-Y | Injector 3 | injector_out | M190-B-U | Low Side Injector 1 | injector_out | single_source | |
| OEM-3-Z | Injector 4 | injector_out | M190-A-12 | Peak Hold Injector 2 | injector_out | single_source |
Cut list
| Wire | From | To | Gauge (mm²) | Colour | Length | Signal | Ident |
|---|---|---|---|---|---|---|---|
| W1 | OEM-1-B | SP-14V-1 | 0.85 | no route | ECU power +14V (main relay) | — | |
| W2 | OEM-3-M | SP-14V-1 | 0.85 | no route | ISC valve +14V feed | — | |
| W3 | SP-14V-1 | M190-B-H | 0.85 | no route | Battery Positive 1 | — | |
| W4 | SP-14V-1 | M190-B-J | 0.85 | no route | Battery Positive 2 | — | |
| W5 | SP-14V-1 | M190-B-K | 0.85 | no route | Battery Positive 3 | — | |
| W6 | SP-14V-1 | M190-B-L | 0.85 | no route | Battery Positive 4 | — | |
| W7 | OEM-1-A | M190-A-38 | 0.85 | no route | Constant +12V | — | |
| W8 | OEM-3-A | SP-GND-1 | 0.85 | no route | Power ground | — | |
| W9 | OEM-3-B | SP-GND-1 | 0.85 | no route | Power ground | — | |
| W10 | OEM-3-C | SP-GND-1 | 0.85 | no route | Power ground | — | |
| W11 | SP-GND-1 | M190-B-c | 0.85 | no route | Battery Negative 6 | — | |
| W12 | SP-GND-1 | M190-B-G | 0.85 | no route | Battery Negative 1 | — | |
| W13 | SP-GND-1 | M190-B-W | 0.85 | no route | Battery Negative 2 | — | |
| W14 | SP-GND-1 | M190-B-X | 0.85 | no route | Battery Negative 3 | — | |
| W15 | SP-GND-1 | M190-B-Y | 0.85 | no route | Battery Negative 4 | — | |
| W16 | SP-GND-1 | M190-B-Z | 0.85 | no route | Battery Negative 5 | — | |
| W17 | OEM-3-F | SP-0V-1 | 0.5 | no route | Signal ground | — | |
| W18 | SP-0V-1 | M190-A-18 | 0.5 | no route | Sensor 0V C1 | — | |
| W19 | SP-0V-1 | M190-A-19 | 0.5 | no route | Sensor 0V C2 | — | |
| W20 | SP-0V-1 | M190-A-20 | 0.5 | no route | Sensor 0V C3 | — | |
| W21 | SP-0V-1 | M190-C-14 | 0.5 | no route | Sensor 0V A1 | — | |
| W22 | SP-0V-1 | M190-C-15 | 0.5 | no route | Sensor 0V A2 | — | |
| W23 | SP-0V-1 | M190-C-23 | 0.5 | no route | Sensor 0V B1 | — | |
| W24 | SP-0V-1 | M190-C-30 | 0.5 | no route | Sensor 0V B2 | — | |
| W25 | OEM-2-I | M190-A-16 | 0.5 | no route | +5V sensor supply | — | |
| W26 | OEM-2-J | M190-C-18 | 0.5 | no route | Crank position (CKP) | — | |
| W27 | OEM-2-H | M190-C-32 | 0.5 | no route | Cam position (CMP) | — | |
| W28 | OEM-2-F | M190-C-51 | 0.5 | no route | Knock sensor | — | |
| W29 | OEM-3-G | M190-C-16 | 0.5 | no route | Ignition 1 (coils 1+4, wasted spark) | — | |
| W30 | OEM-3-H | M190-C-8 | 0.5 | no route | Ignition 2 (coils 2+3, wasted spark) | — | |
| W31 | OEM-3-W | M190-A-11 | 0.5 | no route | Injector 1 | — | |
| W32 | OEM-3-X | M190-A-3 | 0.5 | no route | Injector 2 | — | |
| W33 | OEM-3-Y | M190-B-U | 0.5 | no route | Injector 3 | — | |
| W34 | OEM-3-Z | M190-A-12 | 0.5 | no route | Injector 4 | — | |
| W35 | OEM-1-I | M190-A-2 | 0.5 | no route | Condenser fan relay | — | |
| W36 | OEM-1-R | M190-B-V | 0.5 | no route | Cooling fan relay | — | |
| W37 | OEM-1-S | M190-A-1 | 0.5 | no route | A/C clutch relay | — | |
| W38 | OEM-3-N | M190-B-b | 0.5 | no route | Fuel pump relay | — | |
| W39 | OEM-1-U | M190-B-A | 0.5 | no route | Front O2 heater | — | |
| W40 | OEM-3-V | M190-B-B | 0.5 | no route | Rear O2 heater | — | |
| W41 | OEM-3-O | M190-A-5 | 0.5 | no route | ISC valve low side | — | |
| W42 | OEM-1-E | M190-B-S | 0.5 | no route | Malfunction indicator lamp (MIL) | — | |
| W43 | OEM-1-O | M190-A-48 | 0.5 | no route | Alternator control | — | |
| W44 | OEM-1-Q | M190-B-a | 0.5 | no route | Charge lamp | — | |
| W45 | OEM-2-M | M190-A-40 | 0.5 | no route | EGR valve | — | |
| W46 | OEM-2-N | M190-B-T | 0.5 | no route | EGR valve | — | |
| W47 | OEM-2-O | M190-A-25 | 0.5 | no route | EGR valve | — | |
| W48 | OEM-2-P | M190-A-10 | 0.5 | no route | EGR valve | — | |
| W49 | OEM-3-L | M190-A-47 | 0.5 | no route | Evap purge solenoid | — | |
| W50 | OEM-3-Q | M190-A-32 | 0.5 | no route | VICS solenoid (intake butterflies) | — | |
| W51 | OEM-3-T | M190-A-17 | 0.5 | no route | EGR boost solenoid | — | |
| W52 | OEM-3-U | M190-A-4 | 0.5 | no route | Canister drain cut valve (CDCV) | — | |
| W53 | OEM-2-L | M190-C-42 | 0.5 | no route | Mass air flow (MAF) | — | |
| W54 | OEM-3-E | M190-C-36 | 0.5 | no route | Throttle position (TPS) | — | |
| W55 | OEM-2-C | M190-A-7 | 0.5 | no route | Front O2 signal | — | |
| W56 | OEM-3-J | M190-A-6 | 0.5 | no route | Rear O2 signal | — | |
| W57 | OEM-2-E | M190-C-37 | 0.5 | no route | Coolant temperature (ECT) | — | |
| W58 | OEM-2-B | M190-C-39 | 0.5 | no route | Intake air temperature (IAT) | — | |
| W59 | OEM-2-A | M190-C-35 | 0.5 | no route | Fuel tank pressure | — | |
| W60 | OEM-3-K | M190-C-28 | 0.5 | no route | Fuel level | — | |
| W61 | OEM-3-S | M190-C-29 | 0.5 | no route | EGR boost sensor | — | |
| W62 | OEM-2-D | M190-C-25 | 0.5 | no route | Vehicle speed | — | |
| W63 | OEM-1-F | M190-A-21 | 0.5 | no route | Brake switch | — | |
| W64 | OEM-1-G | M190-A-14 | 0.5 | no route | Power steering pressure switch | — | |
| W65 | OEM-1-P | M190-A-30 | 0.5 | no route | A/C request | — | |
| W66 | OEM-1-V | M190-A-37 | 0.5 | no route | Neutral switch | — | |
| W67 | OEM-3-I | M190-C-27 | 0.5 | no route | Clutch switch | — |
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 (21)
| Severity | Code | Subject | Message |
|---|---|---|---|
| warn | NET_FAMILY | OEM-1-U ↔ M190-B-A | OEM-1-U "Front O2 heater" [low_side_out] is wired to M190-B-A "Half Bridge Output 1" [hbridge_out]. A half-bridge can act as a low-side switch only if configured that way. |
| warn | NET_FAMILY | OEM-2-H ↔ M190-C-32 | OEM-2-H "Cam position (CMP)" [trigger_in] is wired to M190-C-32 "Universal Digital Input 2" [digital_in]. Hall-type cam/speed signals can use a digital input if it handles the frequency; VR signals cannot. |
| warn | NET_FAMILY | OEM-2-J ↔ M190-C-18 | OEM-2-J "Crank position (CKP)" [trigger_in] is wired to M190-C-18 "Universal Digital Input 1" [digital_in]. Hall-type cam/speed signals can use a digital input if it handles the frequency; VR signals cannot. |
| warn | NET_FAMILY | OEM-3-V ↔ M190-B-B | OEM-3-V "Rear O2 heater" [low_side_out] is wired to M190-B-B "Half Bridge Output 2" [hbridge_out]. A half-bridge can act as a low-side switch only if configured that way. |
| info | NET_FAMILY | OEM-1-E ↔ M190-B-S | OEM-1-E "Malfunction indicator lamp (MIL)" [low_side_out] is wired to M190-B-S "Low Side Injector 4" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-1-I ↔ M190-A-2 | OEM-1-I "Condenser fan relay" [low_side_out] is wired to M190-A-2 "Low Side Injector 2" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-1-O ↔ M190-A-48 | OEM-1-O "Alternator control" [low_side_out] is wired to M190-A-48 "Low Side Injector 5" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-1-Q ↔ M190-B-a | OEM-1-Q "Charge lamp" [low_side_out] is wired to M190-B-a "Low Side Injector 5" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-1-R ↔ M190-B-V | OEM-1-R "Cooling fan relay" [low_side_out] is wired to M190-B-V "Low Side Injector 2" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-1-S ↔ M190-A-1 | OEM-1-S "A/C clutch relay" [low_side_out] is wired to M190-A-1 "Low Side Injector 3" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-2-M ↔ M190-A-40 | OEM-2-M "EGR valve" [low_side_out] is wired to M190-A-40 "Low Side Injector 6" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-2-N ↔ M190-B-T | OEM-2-N "EGR valve" [low_side_out] is wired to M190-B-T "Low Side Injector 6" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-2-O ↔ M190-A-25 | OEM-2-O "EGR valve" [low_side_out] is wired to M190-A-25 "Low Side Injector 7" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-2-P ↔ M190-A-10 | OEM-2-P "EGR valve" [low_side_out] is wired to M190-A-10 "Low Side Injector 8" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-3-L ↔ M190-A-47 | OEM-3-L "Evap purge solenoid" [low_side_out] is wired to M190-A-47 "Low Side Injector 9" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-3-N ↔ M190-B-b | OEM-3-N "Fuel pump relay" [low_side_out] is wired to M190-B-b "Low Side Injector 3" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-3-O ↔ M190-A-5 | OEM-3-O "ISC valve low side" [low_side_out] is wired to M190-A-5 "Low Side Injector 4" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-3-Q ↔ M190-A-32 | OEM-3-Q "VICS solenoid (intake butterflies)" [low_side_out] is wired to M190-A-32 "Low Side Injector 10" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-3-T ↔ M190-A-17 | OEM-3-T "EGR boost solenoid" [low_side_out] is wired to M190-A-17 "Low Side Injector 11" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-3-U ↔ M190-A-4 | OEM-3-U "Canister drain cut valve (CDCV)" [low_side_out] is wired to M190-A-4 "Low Side Injector 12" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | UNMAPPED | OEM | 1 optional OEM pins are not mapped: OEM-2-K Tachometer output |
Accepted (0)
| Code | Subject | Reason | By |
|---|
Notes
Auto-mapped by auto_map() from the library pin data on 2026-10-04. Review every wire against both manuals before building. Not wired: - OEM-2 K: Tachometer output: no free tacho/frequency_out/low_side/ls_hs on MoTeC M190
Sources
| Reliability | Kind | Title | URL |
|---|---|---|---|
| 4 | vendor_doc | Link G4X MX5NB1X install manual (NB1 1999-00) | https://linkecu.com/documentation/MX5XNB1.pdf |
| 4 | vendor_doc | MoTeC: M1 ECU Hardware manual (7 Nov 2013) — M130/M150/M170/M190 pinout tables | https://web.archive.org/web/2023id_/https://www.motec.com.au/hessian/uploads/M1_ECU_Hardware_c2517380e4.pdf |