AP1 2000–03 (F20C) → MoTeC M800 universal (auto)
AP1 2000–03 (F20C) — MoTeC — M800
⚠ NOT CHECKED. Don't build from this.
Drawn by Michael Gnankou · Rev 0 · draft · 2026-10-04
Revisions
| Rev | Label | By | Date |
|---|---|---|---|
| No revisions yet. | |||
Schematic
Connectors
M800-A
Mating face
Wire side
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | AUX2 | — | W32 | — | 0.5 | OEM-A-16 | — | — | — |
| 2 | 5V Engine Sensor Supply | — | W17 | — | 0.5 | OEM-C-19 | — | — | — |
| 3 | IGN1 | — | W23 | — | 0.5 | OEM-C-4 | — | — | — |
| 4 | IGN2 | — | W24 | — | 0.5 | OEM-C-12 | — | — | — |
| 5 | IGN3 | — | W25 | — | 0.5 | OEM-C-13 | — | — | — |
| 6 | IGN4 | — | W26 | — | 0.5 | OEM-C-14 | — | — | — |
| 7 | IGN5 | — | — | — | — | — | — | — | — |
| 8 | IGN6 | — | — | — | — | — | — | — | — |
| 9 | 5V Auxiliary Sensor Supply | — | W18 | — | 0.5 | OEM-C-28 | — | — | — |
| 10 | GND Battery Negative | — | W8 | — | 0.85 | SP-GND-1 | — | — | — |
| 11 | GND Battery Negative | — | W9 | — | 0.85 | SP-GND-1 | — | — | — |
| 12 | 8V Engine Sensor Supply | — | — | — | — | — | — | — | — |
| 13 | 8V Auxiliary Sensor and CAN Supply | — | — | — | — | — | — | — | — |
| 14 | AV1 | — | W43 | — | 0.5 | OEM-C-17 | — | — | — |
| 15 | Analog Voltage Input 2 | — | W44 | — | 0.5 | OEM-C-27 | — | — | — |
| 16 | Analog Voltage Input 3 | — | W45 | — | 0.5 | OEM-A-23 | — | — | — |
| 17 | Analog Voltage Input 4 | — | W46 | — | 0.5 | OEM-C-15 | — | — | — |
| 18 | AUX1 | — | W31 | — | 0.5 | OEM-A-15 | — | — | — |
| 19 | INJ1 | — | W27 | — | 0.5 | OEM-B-11 | — | — | — |
| 20 | INJ2 | — | W28 | — | 0.5 | OEM-B-3 | — | — | — |
| 21 | INJ3 | — | W29 | — | 0.5 | OEM-B-4 | — | — | — |
| 22 | INJ4 | — | W30 | — | 0.5 | OEM-B-5 | — | — | — |
| 23 | AUX3 | — | W33 | — | 0.5 | OEM-A-17 | — | — | — |
| 24 | AUX4 | — | W34 | — | 0.5 | OEM-A-20 | — | — | — |
| 25 | Analog Voltage Input 5 | — | W47 | — | 0.5 | OEM-C-16 | — | — | — |
| 26 | VBAT Battery Positive | — | W3 | — | 0.85 | SP-14V-1 | — | — | — |
| 27 | INJ5 | — | W39 | — | 0.5 | OEM-B-23 | — | — | — |
| 28 | INJ6 | — | W40 | — | 0.5 | OEM-A-1 | — | — | — |
| 29 | INJ7 | — | W41 | — | 0.5 | OEM-A-12 | — | — | — |
| 30 | INJ8 | — | W42 | — | 0.5 | OEM-A-18 | — | — | — |
| 31 | AUX5 | — | W35 | — | 0.5 | OEM-A-28 | — | — | — |
| 32 | AUX6 | — | W36 | — | 0.5 | OEM-B-12 | — | — | — |
| 33 | AUX7 | — | W37 | — | 0.5 | OEM-C-1 | — | — | — |
| 34 | AUX8 | — | W38 | — | 0.5 | OEM-C-11 | — | — | — |
M800-B
Mating face
Wire side
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Crank Reference Timing Input | — | W19 | — | 0.5 | OEM-C-8 | — | — | — |
| 2 | Cam Sync Timing Input | — | W21 | — | 0.5 | OEM-C-20 | — | — | — |
| 3 | Analog Temperature Input 1 | — | W48 | — | 0.5 | OEM-C-26 | — | — | — |
| 4 | Analog Temperature Input 2 | — | W49 | — | 0.5 | OEM-C-25 | — | — | — |
| 5 | Analog Temperature Input 3 | — | — | — | — | — | — | — | — |
| 6 | Analog Temperature Input 4 | — | — | — | — | — | — | — | — |
| 7 | Analog Temperature Input 5 | — | — | — | — | — | — | — | — |
| 8 | Digital Input 1 | — | W53 | — | 0.5 | OEM-A-9 | — | — | — |
| 9 | Digital Input 2 | — | W54 | — | 0.5 | OEM-C-5 | — | — | — |
| 10 | Digital Input 3 | — | W55 | — | 0.5 | OEM-A-24 | — | — | — |
| 11 | Digital Input 4 | — | W56 | — | 0.5 | OEM-A-26 | — | — | — |
| 12 | Lambda2 Sense Voltage | — | — | — | — | — | — | — | — |
| 13 | Lambda2 Pump Current | — | — | — | — | — | — | — | — |
| 14 | 0V Comms Reference | — | W14 | — | 0.5 | SP-0V-1 | — | — | — |
| 15 | 0V Auxiliary Sensor Supply | — | W15 | — | 0.5 | SP-0V-1 | — | — | — |
| 16 | 0V Engine Sensor Supply | — | W16 | — | 0.5 | SP-0V-1 | — | — | — |
| 17 | RS232 Transmit Data | — | — | — | — | — | — | — | — |
| 18 | RS232 Receive Data | — | — | — | — | — | — | — | — |
| 19 | Analog Temperature Input 6 | — | — | — | — | — | — | — | — |
| 20 | Analog Voltage Input 6 | — | W50 | — | 0.5 | OEM-A-29 | — | — | — |
| 21 | AV7 | — | W51 | — | 0.5 | OEM-A-30 | — | — | — |
| 22 | AV8 | — | W52 | — | 0.5 | OEM-C-24 | — | — | — |
| 23 | CAN Bus High | — | — | — | — | — | — | — | — |
| 24 | CAN Bus Low | — | — | — | — | — | — | — | — |
| 25 | Lambda1 Sense Voltage | — | — | — | — | — | — | — | — |
| 26 | Lambda1 Pump Current | — | — | — | — | — | — | — | — |
OEM-A
Mating face
Wire side
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Coolant temp gauge drive | — | W40 | — | 0.5 | M800-A-28 | — | — | — |
| 2 | Air control valve solenoid | — | — | — | — | — | — | — | — |
| 3 | Evap bypass solenoid | — | — | — | — | — | — | — | — |
| 4 | Evap canister vent shut valve | — | — | — | — | — | — | — | — |
| 5 | NC | — | — | — | — | — | — | — | — |
| 6 | Evap canister purge valve | — | — | — | — | — | — | — | — |
| 7 | NC | — | — | — | — | — | — | — | — |
| 8 | NC | — | — | — | — | — | — | — | — |
| 9 | Vehicle speed sensor | — | W53 | — | 0.5 | M800-B-8 | — | — | — |
| 10 | Service check signal | — | — | — | — | — | — | — | — |
| 11 | NC | — | — | — | — | — | — | — | — |
| 12 | Immobilizer indicator light | — | W41 | — | 0.5 | M800-A-29 | — | — | — |
| 13 | Immobilizer enable signal | — | — | — | — | — | — | — | — |
| 14 | NC | — | — | — | — | — | — | — | — |
| 15 | Fuel pump relay (USDM) | — | W31 | — | 0.5 | M800-A-18 | — | — | — |
| 16 | Fuel pump relay (JDM) | — | W32 | — | 0.5 | M800-A-1 | — | — | — |
| 17 | A/C clutch relay | — | W33 | — | 0.5 | M800-A-23 | — | — | — |
| 18 | Check engine light (MIL) | — | W42 | — | 0.5 | M800-A-30 | — | — | — |
| 19 | Tacho output | — | — | — | — | — | — | — | — |
| 20 | Radiator fan relay | — | W34 | — | 0.5 | M800-A-24 | — | — | — |
| 21 | K-Line | — | — | — | — | — | — | — | — |
| 22 | NC | — | — | — | — | — | — | — | — |
| 23 | Secondary O2 sensor | — | W45 | — | 0.5 | M800-A-16 | — | — | — |
| 24 | Starter switch signal | — | W55 | — | 0.5 | M800-B-10 | — | — | — |
| 25 | Immobilizer code | — | — | — | — | — | — | — | — |
| 26 | Power steering load detect | — | W56 | — | 0.5 | M800-B-11 | — | — | — |
| 27 | A/C switch (request) | — | — | — | — | — | — | — | — |
| 28 | Air pump relay | — | W35 | — | 0.5 | M800-A-31 | — | — | — |
| 29 | Fuel tank pressure sensor | — | W50 | — | 0.5 | M800-B-20 | — | — | — |
| 30 | Electrical load detector | — | W51 | — | 0.5 | M800-B-21 | — | — | — |
| 31 | NC | — | — | — | — | — | — | — | — |
| 32 | Brake switch | — | — | — | — | — | — | — | — |
OEM-B
Mating face
Wire side
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Power source 1 (main relay) | — | W1 | — | 0.85 | SP-14V-1 | — | — | — |
| 2 | Power ground 1 | — | W5 | — | 0.85 | SP-GND-1 | — | — | — |
| 3 | Injector 2 | — | W28 | — | 0.5 | M800-A-20 | — | — | — |
| 4 | Injector 3 | — | W29 | — | 0.5 | M800-A-21 | — | — | — |
| 5 | Injector 4 | — | W30 | — | 0.5 | M800-A-22 | — | — | — |
| 6 | NC | — | — | — | — | — | — | — | — |
| 7 | NC | — | — | — | — | — | — | — | — |
| 8 | NC | — | — | — | — | — | — | — | — |
| 9 | Power source 2 (main relay) | — | W2 | — | 0.85 | SP-14V-1 | — | — | — |
| 10 | Power ground 2 | — | W4 | — | 0.85 | SP-GND-1 | — | — | — |
| 11 | Injector 1 | — | W27 | — | 0.5 | M800-A-19 | — | — | — |
| 12 | VTEC solenoid | — | W36 | — | 0.5 | M800-A-32 | — | — | — |
| 13 | NC | — | — | — | — | — | — | — | — |
| 14 | NC | — | — | — | — | — | — | — | — |
| 15 | NC | — | — | — | — | — | — | — | — |
| 16 | NC | — | — | — | — | — | — | — | — |
| 17 | NC | — | — | — | — | — | — | — | — |
| 18 | NC | — | — | — | — | — | — | — | — |
| 19 | NC | — | — | — | — | — | — | — | — |
| 20 | Ground | — | W6 | — | 0.85 | SP-GND-1 | — | — | — |
| 21 | Backup power (battery constant) | — | — | — | — | — | — | — | — |
| 22 | Ground | — | W7 | — | 0.85 | SP-GND-1 | — | — | — |
| 23 | Idle air control valve | — | W39 | — | 0.5 | M800-A-27 | — | — | — |
| 24 | NC | — | — | — | — | — | — | — | — |
| 25 | NC | — | — | — | — | — | — | — | — |
OEM-C
Mating face
Wire side
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Primary O2 heater | — | W37 | — | 0.5 | M800-A-33 | — | — | — |
| 2 | Alternator control | — | — | — | — | — | — | — | — |
| 3 | Knock sensor | — | — | — | — | — | — | — | — |
| 4 | Ignition coil 1 | — | W23 | — | 0.5 | M800-A-3 | — | — | — |
| 5 | Alternator FR signal | — | W54 | — | 0.5 | M800-B-9 | — | — | — |
| 6 | NC | — | — | — | — | — | — | — | — |
| 7 | Sensor ground 1 | — | W13 | — | 0.5 | SP-0V-1 | — | — | — |
| 8 | Crank sensor + (CKP+) | — | W19 | — | 0.5 | M800-B-1 | — | — | — |
| 9 | Crank sensor − (CKP−) | — | W20 | — | 0.5 | SP-0V-1 | — | — | — |
| 10 | VTEC pressure switch | — | — | — | — | — | — | — | — |
| 11 | Secondary O2 heater control | — | W38 | — | 0.5 | M800-A-34 | — | — | — |
| 12 | Ignition coil 2 | — | W24 | — | 0.5 | M800-A-4 | — | — | — |
| 13 | Ignition coil 3 | — | W25 | — | 0.5 | M800-A-5 | — | — | — |
| 14 | Ignition coil 4 | — | W26 | — | 0.5 | M800-A-6 | — | — | — |
| 15 | Secondary O2 sensor | — | W46 | — | 0.5 | M800-A-17 | — | — | — |
| 16 | Primary O2 sensor | — | W47 | — | 0.5 | M800-A-25 | — | — | — |
| 17 | MAP sensor | — | W43 | — | 0.5 | M800-A-14 | — | — | — |
| 18 | Sensor ground 2 | — | W10 | — | 0.5 | SP-0V-1 | — | — | — |
| 19 | Sensor 5V supply 1 (MAP) | — | W17 | — | 0.5 | M800-A-2 | — | — | — |
| 20 | Cam (TDC1) sensor + | — | W21 | — | 0.5 | M800-B-2 | — | — | — |
| 21 | Cam (TDC1) sensor − | — | W22 | — | 0.5 | SP-0V-1 | — | — | — |
| 22 | Knock sensor | — | — | — | — | — | — | — | — |
| 23 | NC | — | — | — | — | — | — | — | — |
| 24 | Air pump electric current sensor | — | W52 | — | 0.5 | M800-B-22 | — | — | — |
| 25 | Intake air temp sensor | — | W49 | — | 0.5 | M800-B-4 | — | — | — |
| 26 | Coolant temp sensor | — | W48 | — | 0.5 | M800-B-3 | — | — | — |
| 27 | Throttle position sensor | — | W44 | — | 0.5 | M800-A-15 | — | — | — |
| 28 | Sensor 5V supply 2 | — | W18 | — | 0.5 | M800-A-9 | — | — | — |
| 29 | Cam (TDC2) sensor + | — | — | — | — | — | — | — | — |
| 30 | Cam (TDC2) sensor − | — | W11 | — | 0.5 | SP-0V-1 | — | — | — |
| 31 | Timing ground | — | W12 | — | 0.5 | SP-0V-1 | — | — | — |
OEM-D
Mating face
Wire side
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | NC | — | — | — | — | — | — | — | — |
| 2 | NC | — | — | — | — | — | — | — | — |
| 3 | NC | — | — | — | — | — | — | — | — |
| 4 | NC | — | — | — | — | — | — | — | — |
| 5 | NC | — | — | — | — | — | — | — | — |
| 6 | NC | — | — | — | — | — | — | — | — |
| 7 | NC | — | — | — | — | — | — | — | — |
| 8 | NC | — | — | — | — | — | — | — | — |
| 9 | NC | — | — | — | — | — | — | — | — |
| 10 | NC | — | — | — | — | — | — | — | — |
| 11 | NC | — | — | — | — | — | — | — | — |
| 12 | NC | — | — | — | — | — | — | — | — |
| 13 | NC | — | — | — | — | — | — | — | — |
| 14 | NC | — | — | — | — | — | — | — | — |
| 15 | NC | — | — | — | — | — | — | — | — |
| 16 | NC | — | — | — | — | — | — | — | — |
SP-0V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W13 | — | 0.5 | OEM-C-7 | — | — | — |
| 1 | — | — | W10 | — | 0.5 | OEM-C-18 | — | — | — |
| 1 | — | — | W11 | — | 0.5 | OEM-C-30 | — | — | — |
| 1 | — | — | W12 | — | 0.5 | OEM-C-31 | — | — | — |
| 1 | — | — | W14 | — | 0.5 | M800-B-14 | — | — | — |
| 1 | — | — | W15 | — | 0.5 | M800-B-15 | — | — | — |
| 1 | — | — | W16 | — | 0.5 | M800-B-16 | — | — | — |
| 1 | — | — | W20 | — | 0.5 | OEM-C-9 | — | — | — |
| 1 | — | — | W22 | — | 0.5 | OEM-C-21 | — | — | — |
SP-14V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W1 | — | 0.85 | OEM-B-1 | — | — | — |
| 1 | — | — | W2 | — | 0.85 | OEM-B-9 | — | — | — |
| 1 | — | — | W3 | — | 0.85 | M800-A-26 | — | — | — |
SP-GND
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W4 | — | 0.85 | OEM-B-10 | — | — | — |
| 1 | — | — | W5 | — | 0.85 | OEM-B-2 | — | — | — |
| 1 | — | — | W6 | — | 0.85 | OEM-B-20 | — | — | — |
| 1 | — | — | W7 | — | 0.85 | OEM-B-22 | — | — | — |
| 1 | — | — | W8 | — | 0.85 | M800-A-10 | — | — | — |
| 1 | — | — | W9 | — | 0.85 | M800-A-11 | — | — | — |
Pin map
| OEM point | OEM function | OEM family | Target point | Target function | Target family | Wire colour | Evidence |
|---|---|---|---|---|---|---|---|
| OEM-A-1 | Coolant temp gauge drive | low_side_out | M800-A-28 | INJ6 | injector_out | corroborated | |
| OEM-A-10 | Service check signal | — | — | — | — | single_source | |
| OEM-A-11 | NC | — | — | — | — | unverified | |
| OEM-A-12 | Immobilizer indicator light | low_side_out | M800-A-29 | INJ7 | injector_out | single_source | |
| OEM-A-13 | Immobilizer enable signal | — | — | — | — | single_source | |
| OEM-A-14 | NC | — | — | — | — | unverified | |
| OEM-A-15 | Fuel pump relay (USDM) | low_side_out | M800-A-18 | AUX1 | switch_out | corroborated | |
| OEM-A-16 | Fuel pump relay (JDM) | low_side_out | M800-A-1 | AUX2 | switch_out | single_source | |
| OEM-A-17 | A/C clutch relay | low_side_out | M800-A-23 | AUX3 | switch_out | corroborated | |
| OEM-A-18 | Check engine light (MIL) | low_side_out | M800-A-30 | INJ8 | injector_out | corroborated | |
| OEM-A-19 | Tacho output | tacho_out | — | — | — | corroborated | |
| OEM-A-2 | Air control valve solenoid | low_side_out | — | — | — | single_source | |
| OEM-A-20 | Radiator fan relay | low_side_out | M800-A-24 | AUX4 | switch_out | corroborated | |
| OEM-A-21 | K-Line | serial | — | — | — | single_source | |
| OEM-A-22 | NC | — | — | — | — | unverified | |
| OEM-A-23 | Secondary O2 sensor | lambda_nb_in | M800-A-16 | Analog Voltage Input 3 | analog_in | single_source | |
| OEM-A-24 | Starter switch signal | digital_in | M800-B-10 | Digital Input 3 | digital_in | corroborated | |
| OEM-A-25 | Immobilizer code | — | — | — | — | single_source | |
| OEM-A-26 | Power steering load detect | digital_in | M800-B-11 | Digital Input 4 | digital_in | corroborated | |
| OEM-A-27 | A/C switch (request) | digital_in | — | — | — | corroborated | |
| OEM-A-28 | Air pump relay | low_side_out | M800-A-31 | AUX5 | switch_out | corroborated | |
| OEM-A-29 | Fuel tank pressure sensor | analog_in | M800-B-20 | Analog Voltage Input 6 | analog_in | corroborated | |
| OEM-A-3 | Evap bypass solenoid | low_side_out | — | — | — | single_source | |
| OEM-A-30 | Electrical load detector | analog_in | M800-B-21 | AV7 | analog_in | corroborated | |
| OEM-A-31 | NC | — | — | — | — | unverified | |
| OEM-A-32 | Brake switch | digital_in | — | — | — | corroborated | |
| OEM-A-4 | Evap canister vent shut valve | low_side_out | — | — | — | single_source | |
| OEM-A-5 | NC | — | — | — | — | unverified | |
| OEM-A-6 | Evap canister purge valve | low_side_out | — | — | — | single_source | |
| OEM-A-7 | NC | — | — | — | — | unverified | |
| OEM-A-8 | NC | — | — | — | — | unverified | |
| OEM-A-9 | Vehicle speed sensor | digital_in | M800-B-8 | Digital Input 1 | digital_in | corroborated | |
| OEM-B-1 | Power source 1 (main relay) | power_in | M800-A-26 | VBAT Battery Positive | power_in | corroborated | |
| OEM-B-10 | Power ground 2 | ground | M800-A-10 + M800-A-11 | GND Battery Negative + GND Battery Negative | ground | single_source | |
| OEM-B-11 | Injector 1 | injector_out | M800-A-19 | INJ1 | injector_out | corroborated | |
| OEM-B-12 | VTEC solenoid | high_side_out | M800-A-32 | AUX6 | switch_out | corroborated | |
| OEM-B-13 | NC | — | — | — | — | unverified | |
| OEM-B-14 | NC | — | — | — | — | unverified | |
| OEM-B-15 | NC | — | — | — | — | unverified | |
| OEM-B-16 | NC | — | — | — | — | unverified | |
| OEM-B-17 | NC | — | — | — | — | unverified | |
| OEM-B-18 | NC | — | — | — | — | unverified | |
| OEM-B-19 | NC | — | — | — | — | unverified | |
| OEM-B-2 | Power ground 1 | ground | M800-A-10 + M800-A-11 | GND Battery Negative + GND Battery Negative | ground | corroborated | |
| OEM-B-20 | Ground | ground | M800-A-10 + M800-A-11 | GND Battery Negative + GND Battery Negative | ground | single_source | |
| OEM-B-21 | Backup power (battery constant) | power_in | — | — | — | single_source | |
| OEM-B-22 | Ground | ground | M800-A-10 + M800-A-11 | GND Battery Negative + GND Battery Negative | ground | single_source | |
| OEM-B-23 | Idle air control valve | low_side_out | M800-A-27 | INJ5 | injector_out | corroborated | |
| OEM-B-24 | NC | — | — | — | — | unverified | |
| OEM-B-25 | NC | — | — | — | — | unverified | |
| OEM-B-3 | Injector 2 | injector_out | M800-A-20 | INJ2 | injector_out | corroborated | |
| OEM-B-4 | Injector 3 | injector_out | M800-A-21 | INJ3 | injector_out | corroborated | |
| OEM-B-5 | Injector 4 | injector_out | M800-A-22 | INJ4 | injector_out | corroborated | |
| OEM-B-6 | NC | — | — | — | — | unverified | |
| OEM-B-7 | NC | — | — | — | — | unverified | |
| OEM-B-8 | NC | — | — | — | — | unverified | |
| OEM-B-9 | Power source 2 (main relay) | power_in | M800-A-26 | VBAT Battery Positive | power_in | corroborated | |
| OEM-C-1 | Primary O2 heater | low_side_out | M800-A-33 | AUX7 | switch_out | corroborated | |
| OEM-C-10 | VTEC pressure switch | digital_in | — | — | — | corroborated | |
| OEM-C-11 | Secondary O2 heater control | low_side_out | M800-A-34 | AUX8 | switch_out | single_source | |
| OEM-C-12 | Ignition coil 2 | ignition_out | M800-A-4 | IGN2 | ignition_out | corroborated | |
| OEM-C-13 | Ignition coil 3 | ignition_out | M800-A-5 | IGN3 | ignition_out | corroborated | |
| OEM-C-14 | Ignition coil 4 | ignition_out | M800-A-6 | IGN4 | ignition_out | corroborated | |
| OEM-C-15 | Secondary O2 sensor | lambda_nb_in | M800-A-17 | Analog Voltage Input 4 | analog_in | corroborated | |
| OEM-C-16 | Primary O2 sensor | lambda_nb_in | M800-A-25 | Analog Voltage Input 5 | analog_in | corroborated | |
| OEM-C-17 | MAP sensor | analog_in | M800-A-14 | AV1 | analog_in | corroborated | |
| OEM-C-18 | Sensor ground 2 | sensor_ground | M800-B-14 + M800-B-15 + M800-B-16 | 0V Comms Reference + 0V Auxiliary Sensor Supply + 0V Engine Sensor Supply | sensor_ground | corroborated | |
| OEM-C-19 | Sensor 5V supply 1 (MAP) | vref | M800-A-2 | 5V Engine Sensor Supply | vref | corroborated | |
| OEM-C-2 | Alternator control | low_side_out | — | — | — | single_source | |
| OEM-C-20 | Cam (TDC1) sensor + | trigger_in | M800-B-2 | Cam Sync Timing Input | trigger_in | corroborated | |
| OEM-C-21 | Cam (TDC1) sensor − | trigger_in | M800-B-14 + M800-B-15 + M800-B-16 | 0V Comms Reference + 0V Auxiliary Sensor Supply + 0V Engine Sensor Supply | sensor_ground | corroborated | |
| OEM-C-22 | Knock sensor | knock_in | — | — | — | conflict | |
| OEM-C-23 | NC | — | — | — | — | unverified | |
| OEM-C-24 | Air pump electric current sensor | analog_in | M800-B-22 | AV8 | analog_in | single_source | |
| OEM-C-25 | Intake air temp sensor | temp_in | M800-B-4 | Analog Temperature Input 2 | temp_in | corroborated | |
| OEM-C-26 | Coolant temp sensor | temp_in | M800-B-3 | Analog Temperature Input 1 | temp_in | corroborated | |
| OEM-C-27 | Throttle position sensor | analog_in | M800-A-15 | Analog Voltage Input 2 | analog_in | corroborated | |
| OEM-C-28 | Sensor 5V supply 2 | vref | M800-A-9 | 5V Auxiliary Sensor Supply | vref | corroborated | |
| OEM-C-29 | Cam (TDC2) sensor + | trigger_in | — | — | — | corroborated | |
| OEM-C-3 | Knock sensor | knock_in | — | — | — | conflict | |
| OEM-C-30 | Cam (TDC2) sensor − | sensor_ground | M800-B-14 + M800-B-15 + M800-B-16 | 0V Comms Reference + 0V Auxiliary Sensor Supply + 0V Engine Sensor Supply | sensor_ground | corroborated | |
| OEM-C-31 | Timing ground | sensor_ground | M800-B-14 + M800-B-15 + M800-B-16 | 0V Comms Reference + 0V Auxiliary Sensor Supply + 0V Engine Sensor Supply | sensor_ground | single_source | |
| OEM-C-4 | Ignition coil 1 | ignition_out | M800-A-3 | IGN1 | ignition_out | corroborated | |
| OEM-C-5 | Alternator FR signal | digital_in | M800-B-9 | Digital Input 2 | digital_in | single_source | |
| OEM-C-6 | NC | — | — | — | — | unverified | |
| OEM-C-7 | Sensor ground 1 | sensor_ground | M800-B-14 + M800-B-15 + M800-B-16 | 0V Comms Reference + 0V Auxiliary Sensor Supply + 0V Engine Sensor Supply | sensor_ground | corroborated | |
| OEM-C-8 | Crank sensor + (CKP+) | trigger_in | M800-B-1 | Crank Reference Timing Input | trigger_in | corroborated | |
| OEM-C-9 | Crank sensor − (CKP−) | trigger_in | M800-B-14 + M800-B-15 + M800-B-16 | 0V Comms Reference + 0V Auxiliary Sensor Supply + 0V Engine Sensor Supply | sensor_ground | corroborated | |
| OEM-D-1 | NC | — | — | — | — | unverified | |
| OEM-D-10 | NC | — | — | — | — | unverified | |
| OEM-D-11 | NC | — | — | — | — | unverified | |
| OEM-D-12 | NC | — | — | — | — | unverified | |
| OEM-D-13 | NC | — | — | — | — | unverified | |
| OEM-D-14 | NC | — | — | — | — | unverified | |
| OEM-D-15 | NC | — | — | — | — | unverified | |
| OEM-D-16 | NC | — | — | — | — | unverified | |
| OEM-D-2 | NC | — | — | — | — | unverified | |
| OEM-D-3 | NC | — | — | — | — | unverified | |
| OEM-D-4 | NC | — | — | — | — | unverified | |
| OEM-D-5 | NC | — | — | — | — | unverified | |
| OEM-D-6 | NC | — | — | — | — | unverified | |
| OEM-D-7 | NC | — | — | — | — | unverified | |
| OEM-D-8 | NC | — | — | — | — | unverified | |
| OEM-D-9 | NC | — | — | — | — | unverified |
Cut list
| Wire | From | To | Gauge (mm²) | Colour | Length | Signal | Ident |
|---|---|---|---|---|---|---|---|
| W1 | OEM-B-1 | SP-14V-1 | 0.85 | no route | Power source 1 (main relay) | — | |
| W2 | OEM-B-9 | SP-14V-1 | 0.85 | no route | Power source 2 (main relay) | — | |
| W3 | SP-14V-1 | M800-A-26 | 0.85 | no route | VBAT Battery Positive | — | |
| W4 | OEM-B-10 | SP-GND-1 | 0.85 | no route | Power ground 2 | — | |
| W5 | OEM-B-2 | SP-GND-1 | 0.85 | no route | Power ground 1 | — | |
| W6 | OEM-B-20 | SP-GND-1 | 0.85 | no route | Ground | — | |
| W7 | OEM-B-22 | SP-GND-1 | 0.85 | no route | Ground | — | |
| W8 | SP-GND-1 | M800-A-10 | 0.85 | no route | GND Battery Negative | — | |
| W9 | SP-GND-1 | M800-A-11 | 0.85 | no route | GND Battery Negative | — | |
| W10 | OEM-C-18 | SP-0V-1 | 0.5 | no route | Sensor ground 2 | — | |
| W11 | OEM-C-30 | SP-0V-1 | 0.5 | no route | Cam (TDC2) sensor − | — | |
| W12 | OEM-C-31 | SP-0V-1 | 0.5 | no route | Timing ground | — | |
| W13 | OEM-C-7 | SP-0V-1 | 0.5 | no route | Sensor ground 1 | — | |
| W14 | SP-0V-1 | M800-B-14 | 0.5 | no route | 0V Comms Reference | — | |
| W15 | SP-0V-1 | M800-B-15 | 0.5 | no route | 0V Auxiliary Sensor Supply | — | |
| W16 | SP-0V-1 | M800-B-16 | 0.5 | no route | 0V Engine Sensor Supply | — | |
| W17 | OEM-C-19 | M800-A-2 | 0.5 | no route | Sensor 5V supply 1 (MAP) | — | |
| W18 | OEM-C-28 | M800-A-9 | 0.5 | no route | Sensor 5V supply 2 | — | |
| W19 | OEM-C-8 | M800-B-1 | 0.5 | no route | Crank sensor + (CKP+) | — | |
| W20 | OEM-C-9 | SP-0V-1 | 0.5 | no route | Crank sensor − (CKP−) | — | |
| W21 | OEM-C-20 | M800-B-2 | 0.5 | no route | Cam (TDC1) sensor + | — | |
| W22 | OEM-C-21 | SP-0V-1 | 0.5 | no route | Cam (TDC1) sensor − | — | |
| W23 | OEM-C-4 | M800-A-3 | 0.5 | no route | Ignition coil 1 | — | |
| W24 | OEM-C-12 | M800-A-4 | 0.5 | no route | Ignition coil 2 | — | |
| W25 | OEM-C-13 | M800-A-5 | 0.5 | no route | Ignition coil 3 | — | |
| W26 | OEM-C-14 | M800-A-6 | 0.5 | no route | Ignition coil 4 | — | |
| W27 | OEM-B-11 | M800-A-19 | 0.5 | no route | Injector 1 | — | |
| W28 | OEM-B-3 | M800-A-20 | 0.5 | no route | Injector 2 | — | |
| W29 | OEM-B-4 | M800-A-21 | 0.5 | no route | Injector 3 | — | |
| W30 | OEM-B-5 | M800-A-22 | 0.5 | no route | Injector 4 | — | |
| W31 | OEM-A-15 | M800-A-18 | 0.5 | no route | Fuel pump relay (USDM) | — | |
| W32 | OEM-A-16 | M800-A-1 | 0.5 | no route | Fuel pump relay (JDM) | — | |
| W33 | OEM-A-17 | M800-A-23 | 0.5 | no route | A/C clutch relay | — | |
| W34 | OEM-A-20 | M800-A-24 | 0.5 | no route | Radiator fan relay | — | |
| W35 | OEM-A-28 | M800-A-31 | 0.5 | no route | Air pump relay | — | |
| W36 | OEM-B-12 | M800-A-32 | 0.5 | no route | VTEC solenoid | — | |
| W37 | OEM-C-1 | M800-A-33 | 0.5 | no route | Primary O2 heater | — | |
| W38 | OEM-C-11 | M800-A-34 | 0.5 | no route | Secondary O2 heater control | — | |
| W39 | OEM-B-23 | M800-A-27 | 0.5 | no route | Idle air control valve | — | |
| W40 | OEM-A-1 | M800-A-28 | 0.5 | no route | Coolant temp gauge drive | — | |
| W41 | OEM-A-12 | M800-A-29 | 0.5 | no route | Immobilizer indicator light | — | |
| W42 | OEM-A-18 | M800-A-30 | 0.5 | no route | Check engine light (MIL) | — | |
| W43 | OEM-C-17 | M800-A-14 | 0.5 | no route | MAP sensor | — | |
| W44 | OEM-C-27 | M800-A-15 | 0.5 | no route | Throttle position sensor | — | |
| W45 | OEM-A-23 | M800-A-16 | 0.5 | no route | Secondary O2 sensor | — | |
| W46 | OEM-C-15 | M800-A-17 | 0.5 | no route | Secondary O2 sensor | — | |
| W47 | OEM-C-16 | M800-A-25 | 0.5 | no route | Primary O2 sensor | — | |
| W48 | OEM-C-26 | M800-B-3 | 0.5 | no route | Coolant temp sensor | — | |
| W49 | OEM-C-25 | M800-B-4 | 0.5 | no route | Intake air temp sensor | — | |
| W50 | OEM-A-29 | M800-B-20 | 0.5 | no route | Fuel tank pressure sensor | — | |
| W51 | OEM-A-30 | M800-B-21 | 0.5 | no route | Electrical load detector | — | |
| W52 | OEM-C-24 | M800-B-22 | 0.5 | no route | Air pump electric current sensor | — | |
| W53 | OEM-A-9 | M800-B-8 | 0.5 | no route | Vehicle speed sensor | — | |
| W54 | OEM-C-5 | M800-B-9 | 0.5 | no route | Alternator FR signal | — | |
| W55 | OEM-A-24 | M800-B-10 | 0.5 | no route | Starter switch signal | — | |
| W56 | OEM-A-26 | M800-B-11 | 0.5 | no route | Power steering load detect | — |
Bill of materials
| Category | Part number | Manufacturer | Description | Qty | Unit |
|---|---|---|---|---|---|
| connector | 179679-6 | TE | S2000 2000–05 ECU harness plug B (25P, TE 040 Multi-Lock) | 1.000 | ea |
| connector | 179680-5 | TE | S2000 2000–05 ECU harness plug C (31P, TE 040 Multi-Lock) | 1.000 | ea |
| connector | 179681-6 | TE | S2000 2000–05 ECU harness plug A (32P, TE 040 Multi-Lock) | 1.000 | ea |
| connector | 3-1437290-7 | TE | Superseal 1.0 26-way plug | 1.000 | ea |
| connector | 4-1437290-0 | TE | Superseal 1.0 34-way plug, Key 1 | 1.000 | ea |
| connector | S2K-0005-ECU-D | Honda | S2000 2000–05 ECU plug D (P/N unknown) | 1.000 | ea |
ECU setup sheet
| Role | Engine ref | Engine signal | Sensor | ECU point | ECU function | ECU class | Setup flag |
|---|---|---|---|---|---|---|---|
| No configured channels. | |||||||
Findings
Open (26)
| Severity | Code | Subject | Message |
|---|---|---|---|
| error | NET_MERGED | M800-B-14 + M800-B-15 + M800-B-16 + OEM-C-18 + OEM-C-21 + OEM-C-30 + OEM-C-31 + OEM-C-7 + OEM-C-9 + SP-0V-1 | 2 different OEM functions share one net: OEM-C-21 Cam (TDC1) sensor −; OEM-C-9 Crank sensor − (CKP−) |
| warn | LOAD_UNKNOWN | M800-A-1 | M800-A-1 "AUX2" drives OEM-A-16 Fuel pump relay (JDM) (load 0.2 A) but its current rating is unknown. Check the ECU manual. |
| warn | LOAD_UNKNOWN | M800-A-18 | M800-A-18 "AUX1" drives OEM-A-15 Fuel pump relay (USDM) (load 0.2 A) but its current rating is unknown. Check the ECU manual. |
| warn | LOAD_UNKNOWN | M800-A-19 | M800-A-19 "INJ1" drives OEM-B-11 Injector 1 (load 1.2 A) but its current rating is unknown. Check the ECU manual. |
| warn | LOAD_UNKNOWN | M800-A-20 | M800-A-20 "INJ2" drives OEM-B-3 Injector 2 (load 1.2 A) but its current rating is unknown. Check the ECU manual. |
| warn | LOAD_UNKNOWN | M800-A-21 | M800-A-21 "INJ3" drives OEM-B-4 Injector 3 (load 1.2 A) but its current rating is unknown. Check the ECU manual. |
| warn | LOAD_UNKNOWN | M800-A-22 | M800-A-22 "INJ4" drives OEM-B-5 Injector 4 (load 1.2 A) but its current rating is unknown. Check the ECU manual. |
| warn | LOAD_UNKNOWN | M800-A-23 | M800-A-23 "AUX3" drives OEM-A-17 A/C clutch relay (load 0.2 A) but its current rating is unknown. Check the ECU manual. |
| warn | LOAD_UNKNOWN | M800-A-24 | M800-A-24 "AUX4" drives OEM-A-20 Radiator fan relay (load 0.2 A) but its current rating is unknown. Check the ECU manual. |
| warn | LOAD_UNKNOWN | M800-A-27 | M800-A-27 "INJ5" drives OEM-B-23 Idle air control valve (load 1.0 A) but its current rating is unknown. Check the ECU manual. |
| warn | LOAD_UNKNOWN | M800-A-31 | M800-A-31 "AUX5" drives OEM-A-28 Air pump relay (load 0.2 A) but its current rating is unknown. Check the ECU manual. |
| warn | LOAD_UNKNOWN | M800-A-32 | M800-A-32 "AUX6" drives OEM-B-12 VTEC solenoid (load 1.0 A) but its current rating is unknown. Check the ECU manual. |
| info | NET_FAMILY | OEM-A-12 ↔ M800-A-29 | OEM-A-12 "Immobilizer indicator light" [low_side_out] is wired to M800-A-29 "INJ7" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-A-15 ↔ M800-A-18 | OEM-A-15 "Fuel pump relay (USDM)" [low_side_out] is wired to M800-A-18 "AUX1" [switch_out]. Configure this output as low side. |
| info | NET_FAMILY | OEM-A-16 ↔ M800-A-1 | OEM-A-16 "Fuel pump relay (JDM)" [low_side_out] is wired to M800-A-1 "AUX2" [switch_out]. Configure this output as low side. |
| info | NET_FAMILY | OEM-A-17 ↔ M800-A-23 | OEM-A-17 "A/C clutch relay" [low_side_out] is wired to M800-A-23 "AUX3" [switch_out]. Configure this output as low side. |
| info | NET_FAMILY | OEM-A-18 ↔ M800-A-30 | OEM-A-18 "Check engine light (MIL)" [low_side_out] is wired to M800-A-30 "INJ8" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-A-1 ↔ M800-A-28 | OEM-A-1 "Coolant temp gauge drive" [low_side_out] is wired to M800-A-28 "INJ6" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-A-20 ↔ M800-A-24 | OEM-A-20 "Radiator fan relay" [low_side_out] is wired to M800-A-24 "AUX4" [switch_out]. Configure this output as low side. |
| info | NET_FAMILY | OEM-A-28 ↔ M800-A-31 | OEM-A-28 "Air pump relay" [low_side_out] is wired to M800-A-31 "AUX5" [switch_out]. Configure this output as low side. |
| info | NET_FAMILY | OEM-B-12 ↔ M800-A-32 | OEM-B-12 "VTEC solenoid" [high_side_out] is wired to M800-A-32 "AUX6" [switch_out]. Configure this output as high side. |
| info | NET_FAMILY | OEM-B-23 ↔ M800-A-27 | OEM-B-23 "Idle air control valve" [low_side_out] is wired to M800-A-27 "INJ5" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | OEM-C-11 ↔ M800-A-34 | OEM-C-11 "Secondary O2 heater control" [low_side_out] is wired to M800-A-34 "AUX8" [switch_out]. Configure this output as low side. |
| info | NET_FAMILY | OEM-C-1 ↔ M800-A-33 | OEM-C-1 "Primary O2 heater" [low_side_out] is wired to M800-A-33 "AUX7" [switch_out]. Configure this output as low side. |
| info | NET_FAMILY | OEM-C-9 ↔ M800-B-15 | OEM-C-9 "Crank sensor − (CKP−)" [trigger_in] is wired to M800-B-15 "0V Auxiliary Sensor Supply" [sensor_ground]. Trigger return tied to sensor/trigger ground: correct for single-ended trigger inputs. |
| info | UNMAPPED | OEM | 17 optional OEM pins are not mapped: OEM-A-10 Service check signal; OEM-A-13 Immobilizer enable signal; OEM-A-19 Tacho output; OEM-A-2 Air control valve solenoid; OEM-A-21 K-Line; OEM-A-25 Immobilizer code; OEM-A-27 A/C switch (request); OEM-A-3 Evap bypass solenoid; OEM-A-32 Brake switch; OEM-A-4 Evap canister vent shut valve; OEM-A-6 Evap canister purge valve; OEM-B-21 Backup power (battery constant); OEM-C-10 VTEC pressure switch; OEM-C-2 Alternator control; OEM-C-22 Knock sensor; OEM-C-29 Cam (TDC2) sensor +; OEM-C-3 Knock sensor |
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-B 21: Backup power (battery constant): MoTeC M800 has no battery-constant input; not needed - OEM-C 29: Cam (TDC2) sensor +: no free cam_vr/cam_hall/frequency_in input on MoTeC M800 - OEM-C 3: Knock sensor: no free knock input on MoTeC M800 - OEM-C 22: Knock sensor: no free knock input on MoTeC M800 - OEM-A 2: Air control valve solenoid: no free low_side/ls_hs/injector/hbridge on MoTeC M800 - OEM-A 3: Evap bypass solenoid: no free low_side/ls_hs/injector/hbridge on MoTeC M800 - OEM-A 4: Evap canister vent shut valve: no free low_side/ls_hs/injector/hbridge on MoTeC M800 - OEM-A 6: Evap canister purge valve: no free low_side/ls_hs/injector/hbridge on MoTeC M800 - OEM-C 2: Alternator control: no free low_side/ls_hs/injector/hbridge on MoTeC M800 - OEM-A 19: Tacho output: no free tacho/frequency_out/low_side/ls_hs on MoTeC M800 - OEM-A 27: A/C switch (request): no free switch_in/frequency_in/analog_0_5 on MoTeC M800 - OEM-A 32: Brake switch: no free switch_in/frequency_in/analog_0_5 on MoTeC M800 - OEM-C 10: VTEC pressure switch: no free switch_in/frequency_in/analog_0_5 on MoTeC M800 - OEM-A 21: K-Line: no free k_line on MoTeC M800 - OEM-A 10: Service check signal: not classified in the library; wire by hand - OEM-A 13: Immobilizer enable signal: not classified in the library; wire by hand - OEM-A 25: Immobilizer code: not classified in the library; wire by hand
Sources
| Reliability | Kind | Title | URL |
|---|---|---|---|
| 4 | vendor_doc | AEM 30-6052 Series 2 Plug & Play EMS, 2000–2005 S2000 (original ECU pinout) | https://documents.aemelectronics.com/techlibrary_30-6052_series_2_plug___play_ems.pdf |
| 4 | vendor_doc | Haltech KB: F20C (AP1) engine | https://support.haltech.com/portal/en/kb/articles/f20c-ap1-engine |
| 4 | vendor_doc | Link S2000 AP1 PlugIn installation manual | https://linkecu.com/documentation/S2000X.pdf |
| 4 | vendor_doc | MoTeC M400/M600/M800/M880 Manual — Appendix L: Pin list by Function | https://starracecars.com/wp-content/uploads/resources/M400_M600_M800_M880_Manual_A5.pdf |
| 4 | vendor_doc | MoTeC M800 OEM WRX56 Installation | https://motec.com.au |
| 2 | forum | AllPinouts: 2000–2005 Honda S2000 ECU | https://allpinouts.org/pinouts/connectors/car/2000-2005-honda-s2000-ecu/ |
| 2 | forum | Autodata blog: ECU Pinout Honda S2000 2000-2004 | http://autodatas.blogspot.com/2012/11/ecu-pinout-honda-s2000-2000-2004.html |
| 2 | derived | Typical load estimates (relay coil ~0.2 A, high-Z injector ~1.2 A, VVT solenoid ~1 A) | — |