MX-5 Miata NA8 1994-97 (BP-ZE, 1.8) → MoTeC M150 13150 (auto)
MX-5 Miata NA8 1994-97 (BP-ZE, 1.8) — MoTeC — M150
Drawn by Michael Gnankou · Rev 0 · proposal · 2026-10-04
Revisions
| Rev | Label | By | Date |
|---|---|---|---|
| No revisions yet. | |||
Schematic
Connectors
M150-A
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Analogue Temperature Input 5 | — | — | — | — | — | — | — | — |
| 10 | Sensor 5.0V C1 | — | W22 | — | 0.5 | OEM-2-K | — | — | — |
| 11 | Lambda Narrow Input 1 | — | W41 | — | 0.5 | OEM-2-N | — | — | — |
| 12 | Lambda Narrow Input 2 | — | — | — | — | — | — | — | — |
| 13 | Knock Input 3 | — | — | — | — | — | — | — | — |
| 14 | Knock Input 4 | — | — | — | — | — | — | — | — |
| 15 | Digital Input 2 | — | W46 | — | 0.5 | OEM-1-P | — | — | — |
| 16 | Digital Input 3 | — | W47 | — | 0.5 | OEM-1-Q | — | — | — |
| 17 | Digital Input 4 | — | W48 | — | 0.5 | OEM-1-V | — | — | — |
| 18 | Sensor 5.0V C2 | — | — | — | — | — | — | — | — |
| 19 | Sensor 5.0V B2 | — | — | — | — | — | — | — | — |
| 2 | Analogue Temperature Input 6 | — | — | — | — | — | — | — | — |
| 20 | LIN Bus | — | — | — | — | — | — | — | — |
| 21 | RS232 Receive | — | — | — | — | — | — | — | — |
| 22 | RS232 Transmit | — | — | — | — | — | — | — | — |
| 23 | Digital Input 1 | — | W45 | — | 0.5 | OEM-1-C | — | — | — |
| 24 | Battery Negative 3 | — | W10 | — | 0.85 | SP-GND-1 | — | — | — |
| 25 | Battery Negative 4 | — | W11 | — | 0.85 | SP-GND-1 | — | — | — |
| 26 | Sensor 0V C1 | — | W16 | — | 0.5 | SP-0V-1 | — | — | — |
| 27 | Sensor 0V C2 | — | W17 | — | 0.5 | SP-0V-1 | — | — | — |
| 28 | CAN Bus 3 High | — | — | — | — | — | — | — | — |
| 29 | CAN Bus 3 Low | — | — | — | — | — | — | — | — |
| 3 | Analogue Voltage Input 15 | — | — | — | — | — | — | — | — |
| 30 | CAN Bus 2 High | — | — | — | — | — | — | — | — |
| 31 | CAN Bus 2 Low | — | — | — | — | — | — | — | — |
| 32 | Battery Negative 5 | — | W12 | — | 0.85 | SP-GND-1 | — | — | — |
| 33 | Sensor 0V B1 | — | W18 | — | 0.5 | SP-0V-1 | — | — | — |
| 34 | Sensor 0V A1 | — | W19 | — | 0.5 | SP-0V-1 | — | — | — |
| 4 | Analogue Voltage Input 16 | — | — | — | — | — | — | — | — |
| 5 | Analogue Voltage Input 17 | — | — | — | — | — | — | — | — |
| 6 | Low Side Ignition 9 | — | — | — | — | — | — | — | — |
| 7 | Low Side Ignition 10 | — | — | — | — | — | — | — | — |
| 8 | Low Side Ignition 11 | — | — | — | — | — | — | — | — |
| 9 | Low Side Ignition 12 | — | — | — | — | — | — | — | — |
M150-B
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Half Bridge Output 9 | — | — | — | — | — | — | — | — |
| 10 | Analogue Voltage Input 9 | — | — | — | — | — | — | — | — |
| 11 | Analogue Voltage Input 10 | — | — | — | — | — | — | — | — |
| 12 | Analogue Voltage Input 11 | — | — | — | — | — | — | — | — |
| 13 | Battery Positive | — | W2 | — | 0.85 | SP-14V-1 | — | — | — |
| 14 | Low Side Injector 6 | — | W34 | — | 0.5 | OEM-2-T | — | — | — |
| 15 | Low Side Injector 4 | — | W32 | — | 0.5 | OEM-1-R | — | — | — |
| 16 | Analogue Voltage Input 12 | — | — | — | — | — | — | — | — |
| 17 | Analogue Voltage Input 13 | — | — | — | — | — | — | — | — |
| 18 | Analogue Voltage Input 14 | — | — | — | — | — | — | — | — |
| 19 | Battery Positive | — | W3 | — | 0.85 | SP-14V-1 | — | — | — |
| 2 | Half Bridge Output 10 | — | — | — | — | — | — | — | — |
| 20 | Half Bridge Output 7 | — | — | — | — | — | — | — | — |
| 21 | Half Bridge Output 8 | — | — | — | — | — | — | — | — |
| 22 | Peak Hold Injector 9 | — | — | — | — | — | — | — | — |
| 23 | Peak Hold Injector 10 | — | — | — | — | — | — | — | — |
| 24 | Peak Hold Injector 11 | — | — | — | — | — | — | — | — |
| 25 | Peak Hold Injector 12 | — | — | — | — | — | — | — | — |
| 26 | Sensor 5.0V A | — | — | — | — | — | — | — | — |
| 3 | Universal Digital Input 8 | — | — | — | — | — | — | — | — |
| 4 | Universal Digital Input 9 | — | — | — | — | — | — | — | — |
| 5 | Universal Digital Input 10 | — | — | — | — | — | — | — | — |
| 6 | Universal Digital Input 11 | — | — | — | — | — | — | — | — |
| 7 | Universal Digital Input 12 | — | — | — | — | — | — | — | — |
| 8 | Low Side Injector 5 | — | W33 | — | 0.5 | OEM-2-S | — | — | — |
| 9 | Low Side Injector 3 | — | W31 | — | 0.5 | OEM-1-J | — | — | — |
M150-C
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Half Bridge Output 2 | — | — | — | — | — | — | — | — |
| 10 | Battery Negative 1 | — | W13 | — | 0.85 | SP-GND-1 | — | — | — |
| 11 | Battery Negative 2 | — | W14 | — | 0.85 | SP-GND-1 | — | — | — |
| 12 | Low Side Ignition 7 | — | — | — | — | — | — | — | — |
| 13 | Low Side Ignition 8 | — | — | — | — | — | — | — | — |
| 14 | Analogue Voltage Input 1 | — | W39 | — | 0.5 | OEM-2-O | — | — | — |
| 15 | Analogue Voltage Input 2 | — | W40 | — | 0.5 | OEM-2-M | — | — | — |
| 16 | Analogue Voltage Input 3 | — | — | — | — | — | — | — | — |
| 17 | Analogue Voltage Input 4 | — | — | — | — | — | — | — | — |
| 18 | Half Bridge Output 1 | — | — | — | — | — | — | — | — |
| 19 | Peak Hold Injector 1 | — | W27 | — | 0.5 | OEM-2-U | — | — | — |
| 2 | Sensor 5.0V A | — | — | — | — | — | — | — | — |
| 20 | Peak Hold Injector 2 | — | W29 | — | 0.5 | OEM-2-Y | — | — | — |
| 21 | Peak Hold Injector 3 | — | W35 | — | 0.5 | OEM-2-W | — | — | — |
| 22 | Peak Hold Injector 4 | — | W36 | — | 0.5 | OEM-1-E | — | — | — |
| 23 | Low Side Injector 1 | — | W28 | — | 0.5 | OEM-2-V | — | — | — |
| 24 | Low Side Injector 2 | — | W30 | — | 0.5 | OEM-2-Z | — | — | — |
| 25 | Analogue Voltage Input 5 | — | — | — | — | — | — | — | — |
| 26 | Battery Positive | — | W4 | — | 0.85 | SP-14V-1 | — | — | — |
| 27 | Peak Hold Injector 5 | — | W37 | — | 0.5 | OEM-2-R | — | — | — |
| 28 | Peak Hold Injector 6 | — | W38 | — | 0.5 | OEM-2-X | — | — | — |
| 29 | Peak Hold Injector 7 | — | — | — | — | — | — | — | — |
| 3 | Low Side Ignition 1 | — | W25 | — | 0.5 | OEM-1-G | — | — | — |
| 30 | Peak Hold Injector 8 | — | — | — | — | — | — | — | — |
| 31 | Half Bridge Output 3 | — | — | — | — | — | — | — | — |
| 32 | Half Bridge Output 4 | — | — | — | — | — | — | — | — |
| 33 | Half Bridge Output 5 | — | — | — | — | — | — | — | — |
| 34 | Half Bridge Output 6 | — | — | — | — | — | — | — | — |
| 4 | Low Side Ignition 2 | — | W26 | — | 0.5 | OEM-1-H | — | — | — |
| 5 | Low Side Ignition 3 | — | — | — | — | — | — | — | — |
| 6 | Low Side Ignition 4 | — | — | — | — | — | — | — | — |
| 7 | Low Side Ignition 5 | — | — | — | — | — | — | — | — |
| 8 | Low Side Ignition 6 | — | — | — | — | — | — | — | — |
| 9 | Sensor 5.0V B | — | — | — | — | — | — | — | — |
M150-D
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Universal Digital Input 1 | — | W23 | — | 0.5 | OEM-2-E | — | — | — |
| 10 | Universal Digital Input 5 | — | — | — | — | — | — | — | — |
| 11 | Universal Digital Input 6 | — | — | — | — | — | — | — | — |
| 12 | Battery Backup | — | W5 | — | 0.85 | OEM-1-A | — | — | — |
| 13 | Knock Input 2 | — | — | — | — | — | — | — | — |
| 14 | Universal Digital Input 7 | — | — | — | — | — | — | — | — |
| 15 | Sensor 0V A | — | W20 | — | 0.5 | SP-0V-1 | — | — | — |
| 16 | Sensor 0V B | — | W21 | — | 0.5 | SP-0V-1 | — | — | — |
| 17 | CAN Bus 1 High | — | — | — | — | — | — | — | — |
| 18 | CAN Bus 1 Low | — | — | — | — | — | — | — | — |
| 19 | Sensor 6.3V | — | — | — | — | — | — | — | — |
| 2 | Universal Digital Input 2 | — | W24 | — | 0.5 | OEM-2-G | — | — | — |
| 20 | Analogue Voltage Input 6 | — | — | — | — | — | — | — | — |
| 21 | Analogue Voltage Input 7 | — | — | — | — | — | — | — | — |
| 22 | Analogue Voltage Input 8 | — | — | — | — | — | — | — | — |
| 23 | Ethernet Transmit + | — | — | — | — | — | — | — | — |
| 24 | Ethernet Transmit - | — | — | — | — | — | — | — | — |
| 25 | Ethernet Receive + | — | — | — | — | — | — | — | — |
| 26 | Ethernet Receive - | — | — | — | — | — | — | — | — |
| 3 | Analogue Temperature Input 1 | — | W42 | — | 0.5 | OEM-2-Q | — | — | — |
| 4 | Analogue Temperature Input 2 | — | W43 | — | 0.5 | OEM-2-P | — | — | — |
| 5 | Analogue Temperature Input 3 | — | — | — | — | — | — | — | — |
| 6 | Analogue Temperature Input 4 | — | — | — | — | — | — | — | — |
| 7 | Knock Input 1 | — | — | — | — | — | — | — | — |
| 8 | Universal Digital Input 3 | — | W44 | — | 0.5 | OEM-1-M | — | — | — |
| 9 | Universal Digital Input 4 | — | — | — | — | — | — | — | — |
OEM-1
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| A | Constant +12V | — | W5 | — | 0.85 | M150-D-12 | — | — | — |
| B | ECU power +14V (main relay) | — | W1 | — | 0.85 | SP-14V-1 | — | — | — |
| C | Start signal | — | W45 | — | 0.5 | M150-A-23 | — | — | — |
| E | Malfunction indicator lamp (MIL) | — | W36 | — | 0.5 | M150-C-22 | — | — | — |
| G | Ignition 1 (coils 1+4, wasted spark) | — | W25 | — | 0.5 | M150-C-3 | — | — | — |
| H | Ignition 2 (coils 2+3, wasted spark) | — | W26 | — | 0.5 | M150-C-4 | — | — | — |
| J | A/C relay | — | W31 | — | 0.5 | M150-B-9 | — | — | — |
| M | Vehicle speed | — | W44 | — | 0.5 | M150-D-8 | — | — | — |
| P | Power steering pressure switch | — | W46 | — | 0.5 | M150-A-15 | — | — | — |
| Q | A/C request | — | W47 | — | 0.5 | M150-A-16 | — | — | — |
| R | Cooling fan relay | — | W32 | — | 0.5 | M150-B-15 | — | — | — |
| V | Neutral/clutch switch | — | W48 | — | 0.5 | M150-A-17 | — | — | — |
OEM-2
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| A | Power ground | — | W6 | — | 0.85 | SP-GND-1 | — | — | — |
| B | Power ground | — | W7 | — | 0.85 | SP-GND-1 | — | — | — |
| C | Power ground | — | W8 | — | 0.85 | SP-GND-1 | — | — | — |
| D | Power ground | — | W9 | — | 0.85 | SP-GND-1 | — | — | — |
| E | Crank position (CAS NE) | — | W23 | — | 0.5 | M150-D-1 | — | — | — |
| F | MAF ground | — | W15 | — | 0.5 | SP-0V-1 | — | — | — |
| G | Cam position (CAS G) | — | W24 | — | 0.5 | M150-D-2 | — | — | — |
| I | Tachometer output | — | — | — | — | — | — | — | — |
| K | +5V sensor supply | — | W22 | — | 0.5 | M150-A-10 | — | — | — |
| M | Throttle position (TPS) | — | W40 | — | 0.5 | M150-C-15 | — | — | — |
| N | O2 sensor | — | W41 | — | 0.5 | M150-A-11 | — | — | — |
| O | Mass air flow (MAF) | — | W39 | — | 0.5 | M150-C-14 | — | — | — |
| P | Intake air temperature (IAT) | — | W43 | — | 0.5 | M150-D-4 | — | — | — |
| Q | Coolant temperature (ECT) | — | W42 | — | 0.5 | M150-D-3 | — | — | — |
| R | PRC solenoid (fuel pressure regulator) | — | W37 | — | 0.5 | M150-C-27 | — | — | — |
| S | Condenser fan relay | — | W33 | — | 0.5 | M150-B-8 | — | — | — |
| T | Fuel pump relay | — | W34 | — | 0.5 | M150-B-14 | — | — | — |
| U | Injector 1 | — | W27 | — | 0.5 | M150-C-19 | — | — | — |
| V | Injector 2 | — | W28 | — | 0.5 | M150-C-23 | — | — | — |
| W | ISC solenoid | — | W35 | — | 0.5 | M150-C-21 | — | — | — |
| X | Evap purge solenoid | — | W38 | — | 0.5 | M150-C-28 | — | — | — |
| Y | Injector 3 | — | W29 | — | 0.5 | M150-C-20 | — | — | — |
| Z | Injector 4 | — | W30 | — | 0.5 | M150-C-24 | — | — | — |
SP-0V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W15 | — | 0.5 | OEM-2-F | — | — | — |
| 1 | — | — | W16 | — | 0.5 | M150-A-26 | — | — | — |
| 1 | — | — | W17 | — | 0.5 | M150-A-27 | — | — | — |
| 1 | — | — | W18 | — | 0.5 | M150-A-33 | — | — | — |
| 1 | — | — | W19 | — | 0.5 | M150-A-34 | — | — | — |
| 1 | — | — | W20 | — | 0.5 | M150-D-15 | — | — | — |
| 1 | — | — | W21 | — | 0.5 | M150-D-16 | — | — | — |
SP-14V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W1 | — | 0.85 | OEM-1-B | — | — | — |
| 1 | — | — | W2 | — | 0.85 | M150-B-13 | — | — | — |
| 1 | — | — | W3 | — | 0.85 | M150-B-19 | — | — | — |
| 1 | — | — | W4 | — | 0.85 | M150-C-26 | — | — | — |
SP-GND
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W6 | — | 0.85 | OEM-2-A | — | — | — |
| 1 | — | — | W7 | — | 0.85 | OEM-2-B | — | — | — |
| 1 | — | — | W8 | — | 0.85 | OEM-2-C | — | — | — |
| 1 | — | — | W9 | — | 0.85 | OEM-2-D | — | — | — |
| 1 | — | — | W10 | — | 0.85 | M150-A-24 | — | — | — |
| 1 | — | — | W11 | — | 0.85 | M150-A-25 | — | — | — |
| 1 | — | — | W12 | — | 0.85 | M150-A-32 | — | — | — |
| 1 | — | — | W13 | — | 0.85 | M150-C-10 | — | — | — |
| 1 | — | — | W14 | — | 0.85 | M150-C-11 | — | — | — |
Pin map
| OEM point | OEM function | OEM family | Target point | Target function | Target family | Wire colour | Evidence |
|---|---|---|---|---|---|---|---|
| OEM-1-A | Constant +12V | power_in | M150-D-12 | Battery Backup | power_in | single_source | |
| OEM-1-B | ECU power +14V (main relay) | power_in | M150-B-13 + M150-B-19 + M150-C-26 | Battery Positive + Battery Positive + Battery Positive | power_in | single_source | |
| OEM-1-C | Start signal | digital_in | M150-A-23 | Digital Input 1 | digital_in | single_source | |
| OEM-1-E | Malfunction indicator lamp (MIL) | low_side_out | M150-C-22 | Peak Hold Injector 4 | injector_out | single_source | |
| OEM-1-G | Ignition 1 (coils 1+4, wasted spark) | ignition_out | M150-C-3 | Low Side Ignition 1 | ignition_out | single_source | |
| OEM-1-H | Ignition 2 (coils 2+3, wasted spark) | ignition_out | M150-C-4 | Low Side Ignition 2 | ignition_out | single_source | |
| OEM-1-J | A/C relay | low_side_out | M150-B-9 | Low Side Injector 3 | injector_out | single_source | |
| OEM-1-M | Vehicle speed | digital_in | M150-D-8 | Universal Digital Input 3 | digital_in | single_source | |
| OEM-1-P | Power steering pressure switch | digital_in | M150-A-15 | Digital Input 2 | digital_in | single_source | |
| OEM-1-Q | A/C request | digital_in | M150-A-16 | Digital Input 3 | digital_in | single_source | |
| OEM-1-R | Cooling fan relay | low_side_out | M150-B-15 | Low Side Injector 4 | injector_out | single_source | |
| OEM-1-V | Neutral/clutch switch | digital_in | M150-A-17 | Digital Input 4 | digital_in | single_source | |
| OEM-2-A | Power ground | ground | M150-A-24 + M150-A-25 + M150-A-32 + M150-C-10 + M150-C-11 | Battery Negative 3 + Battery Negative 4 + Battery Negative 5 + Battery Negative 1 + Battery Negative 2 | ground | single_source | |
| OEM-2-B | Power ground | ground | M150-A-24 + M150-A-25 + M150-A-32 + M150-C-10 + M150-C-11 | Battery Negative 3 + Battery Negative 4 + Battery Negative 5 + Battery Negative 1 + Battery Negative 2 | ground | single_source | |
| OEM-2-C | Power ground | ground | M150-A-24 + M150-A-25 + M150-A-32 + M150-C-10 + M150-C-11 | Battery Negative 3 + Battery Negative 4 + Battery Negative 5 + Battery Negative 1 + Battery Negative 2 | ground | single_source | |
| OEM-2-D | Power ground | ground | M150-A-24 + M150-A-25 + M150-A-32 + M150-C-10 + M150-C-11 | Battery Negative 3 + Battery Negative 4 + Battery Negative 5 + Battery Negative 1 + Battery Negative 2 | ground | single_source | |
| OEM-2-E | Crank position (CAS NE) | trigger_in | M150-D-1 | Universal Digital Input 1 | digital_in | single_source | |
| OEM-2-F | MAF ground | sensor_ground | M150-A-26 + M150-A-27 + M150-A-33 + M150-A-34 + M150-D-15 + M150-D-16 | Sensor 0V C1 + Sensor 0V C2 + Sensor 0V B1 + Sensor 0V A1 + Sensor 0V A + Sensor 0V B | sensor_ground | single_source | |
| OEM-2-G | Cam position (CAS G) | trigger_in | M150-D-2 | Universal Digital Input 2 | digital_in | single_source | |
| OEM-2-I | Tachometer output | tacho_out | — | — | — | single_source | |
| OEM-2-K | +5V sensor supply | vref | M150-A-10 | Sensor 5.0V C1 | vref | single_source | |
| OEM-2-M | Throttle position (TPS) | analog_in | M150-C-15 | Analogue Voltage Input 2 | analog_in | single_source | |
| OEM-2-N | O2 sensor | lambda_nb_in | M150-A-11 | Lambda Narrow Input 1 | lambda_nb_in | single_source | |
| OEM-2-O | Mass air flow (MAF) | analog_in | M150-C-14 | Analogue Voltage Input 1 | analog_in | single_source | |
| OEM-2-P | Intake air temperature (IAT) | temp_in | M150-D-4 | Analogue Temperature Input 2 | temp_in | single_source | |
| OEM-2-Q | Coolant temperature (ECT) | temp_in | M150-D-3 | Analogue Temperature Input 1 | temp_in | single_source | |
| OEM-2-R | PRC solenoid (fuel pressure regulator) | low_side_out | M150-C-27 | Peak Hold Injector 5 | injector_out | single_source | |
| OEM-2-S | Condenser fan relay | low_side_out | M150-B-8 | Low Side Injector 5 | injector_out | single_source | |
| OEM-2-T | Fuel pump relay | low_side_out | M150-B-14 | Low Side Injector 6 | injector_out | single_source | |
| OEM-2-U | Injector 1 | injector_out | M150-C-19 | Peak Hold Injector 1 | injector_out | single_source | |
| OEM-2-V | Injector 2 | injector_out | M150-C-23 | Low Side Injector 1 | injector_out | single_source | |
| OEM-2-W | ISC solenoid | low_side_out | M150-C-21 | Peak Hold Injector 3 | injector_out | single_source | |
| OEM-2-X | Evap purge solenoid | low_side_out | M150-C-28 | Peak Hold Injector 6 | injector_out | single_source | |
| OEM-2-Y | Injector 3 | injector_out | M150-C-20 | Peak Hold Injector 2 | injector_out | single_source | |
| OEM-2-Z | Injector 4 | injector_out | M150-C-24 | Low Side 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 | SP-14V-1 | M150-B-13 | 0.85 | no route | Battery Positive | — | |
| W3 | SP-14V-1 | M150-B-19 | 0.85 | no route | Battery Positive | — | |
| W4 | SP-14V-1 | M150-C-26 | 0.85 | no route | Battery Positive | — | |
| W5 | OEM-1-A | M150-D-12 | 0.85 | no route | Constant +12V | — | |
| W6 | OEM-2-A | SP-GND-1 | 0.85 | no route | Power ground | — | |
| W7 | OEM-2-B | SP-GND-1 | 0.85 | no route | Power ground | — | |
| W8 | OEM-2-C | SP-GND-1 | 0.85 | no route | Power ground | — | |
| W9 | OEM-2-D | SP-GND-1 | 0.85 | no route | Power ground | — | |
| W10 | SP-GND-1 | M150-A-24 | 0.85 | no route | Battery Negative 3 | — | |
| W11 | SP-GND-1 | M150-A-25 | 0.85 | no route | Battery Negative 4 | — | |
| W12 | SP-GND-1 | M150-A-32 | 0.85 | no route | Battery Negative 5 | — | |
| W13 | SP-GND-1 | M150-C-10 | 0.85 | no route | Battery Negative 1 | — | |
| W14 | SP-GND-1 | M150-C-11 | 0.85 | no route | Battery Negative 2 | — | |
| W15 | OEM-2-F | SP-0V-1 | 0.5 | no route | MAF ground | — | |
| W16 | SP-0V-1 | M150-A-26 | 0.5 | no route | Sensor 0V C1 | — | |
| W17 | SP-0V-1 | M150-A-27 | 0.5 | no route | Sensor 0V C2 | — | |
| W18 | SP-0V-1 | M150-A-33 | 0.5 | no route | Sensor 0V B1 | — | |
| W19 | SP-0V-1 | M150-A-34 | 0.5 | no route | Sensor 0V A1 | — | |
| W20 | SP-0V-1 | M150-D-15 | 0.5 | no route | Sensor 0V A | — | |
| W21 | SP-0V-1 | M150-D-16 | 0.5 | no route | Sensor 0V B | — | |
| W22 | OEM-2-K | M150-A-10 | 0.5 | no route | +5V sensor supply | — | |
| W23 | OEM-2-E | M150-D-1 | 0.5 | no route | Crank position (CAS NE) | — | |
| W24 | OEM-2-G | M150-D-2 | 0.5 | no route | Cam position (CAS G) | — | |
| W25 | OEM-1-G | M150-C-3 | 0.5 | no route | Ignition 1 (coils 1+4, wasted spark) | — | |
| W26 | OEM-1-H | M150-C-4 | 0.5 | no route | Ignition 2 (coils 2+3, wasted spark) | — | |
| W27 | OEM-2-U | M150-C-19 | 0.5 | no route | Injector 1 | — | |
| W28 | OEM-2-V | M150-C-23 | 0.5 | no route | Injector 2 | — | |
| W29 | OEM-2-Y | M150-C-20 | 0.5 | no route | Injector 3 | — | |
| W30 | OEM-2-Z | M150-C-24 | 0.5 | no route | Injector 4 | — | |
| W31 | OEM-1-J | M150-B-9 | 0.5 | no route | A/C relay | — | |
| W32 | OEM-1-R | M150-B-15 | 0.5 | no route | Cooling fan relay | — | |
| W33 | OEM-2-S | M150-B-8 | 0.5 | no route | Condenser fan relay | — | |
| W34 | OEM-2-T | M150-B-14 | 0.5 | no route | Fuel pump relay | — | |
| W35 | OEM-2-W | M150-C-21 | 0.5 | no route | ISC solenoid | — | |
| W36 | OEM-1-E | M150-C-22 | 0.5 | no route | Malfunction indicator lamp (MIL) | — | |
| W37 | OEM-2-R | M150-C-27 | 0.5 | no route | PRC solenoid (fuel pressure regulator) | — | |
| W38 | OEM-2-X | M150-C-28 | 0.5 | no route | Evap purge solenoid | — | |
| W39 | OEM-2-O | M150-C-14 | 0.5 | no route | Mass air flow (MAF) | — | |
| W40 | OEM-2-M | M150-C-15 | 0.5 | no route | Throttle position (TPS) | — | |
| W41 | OEM-2-N | M150-A-11 | 0.5 | no route | O2 sensor | — | |
| W42 | OEM-2-Q | M150-D-3 | 0.5 | no route | Coolant temperature (ECT) | — | |
| W43 | OEM-2-P | M150-D-4 | 0.5 | no route | Intake air temperature (IAT) | — | |
| W44 | OEM-1-M | M150-D-8 | 0.5 | no route | Vehicle speed | — | |
| W45 | OEM-1-C | M150-A-23 | 0.5 | no route | Start signal | — | |
| W46 | OEM-1-P | M150-A-15 | 0.5 | no route | Power steering pressure switch | — | |
| W47 | OEM-1-Q | M150-A-16 | 0.5 | no route | A/C request | — | |
| W48 | OEM-1-V | M150-A-17 | 0.5 | no route | Neutral/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 (11)
| Severity | Code | Subject | Message |
|---|---|---|---|
| warn | NET_FAMILY | OEM-2-E ↔ M150-D-1 | OEM-2-E "Crank position (CAS NE)" [trigger_in] is wired to M150-D-1 "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-2-G ↔ M150-D-2 | OEM-2-G "Cam position (CAS G)" [trigger_in] is wired to M150-D-2 "Universal Digital Input 2" [digital_in]. Hall-type cam/speed signals can use a digital input if it handles the frequency; VR signals cannot. |
| info | NET_FAMILY | OEM-1-E ↔ M150-C-22 | OEM-1-E "Malfunction indicator lamp (MIL)" [low_side_out] is wired to M150-C-22 "Peak Hold Injector 4" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-1-J ↔ M150-B-9 | OEM-1-J "A/C relay" [low_side_out] is wired to M150-B-9 "Low Side Injector 3" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-1-R ↔ M150-B-15 | OEM-1-R "Cooling fan relay" [low_side_out] is wired to M150-B-15 "Low Side Injector 4" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-2-R ↔ M150-C-27 | OEM-2-R "PRC solenoid (fuel pressure regulator)" [low_side_out] is wired to M150-C-27 "Peak Hold Injector 5" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-2-S ↔ M150-B-8 | OEM-2-S "Condenser fan relay" [low_side_out] is wired to M150-B-8 "Low Side Injector 5" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-2-T ↔ M150-B-14 | OEM-2-T "Fuel pump relay" [low_side_out] is wired to M150-B-14 "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-W ↔ M150-C-21 | OEM-2-W "ISC solenoid" [low_side_out] is wired to M150-C-21 "Peak Hold Injector 3" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-2-X ↔ M150-C-28 | OEM-2-X "Evap purge solenoid" [low_side_out] is wired to M150-C-28 "Peak Hold Injector 6" [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-I 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 I: Tachometer output: no free tacho/frequency_out/low_side/ls_hs on MoTeC M150
Sources
| Reliability | Kind | Title | URL |
|---|---|---|---|
| 4 | vendor_doc | Link G4X MX5X install manual (NA 1.6/1.8) | https://linkecu.com/documentation/MX5X.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 |