S2000 AP2 2006–09 cable conversion → Emtron Shadow 8
AP2 2006–09 converted to cable throttle — Emtron — Shadow 8
Drawn by Michael Gnankou · Rev 0 · proposal · 2026-10-05
Revisions
| Rev | Label | By | Date |
|---|---|---|---|
| No revisions yet. | |||
Schematic
Connectors
NEW-BATT
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W4 | — | 0.85 | SH8-B-1 | — | — | — |
S2K-A
Mating face
Wire side
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Knock sensor | — | W24 | — | 0.5 | SH8-A-16 | — | — | — |
| 2 | Ignition power 2 | — | W1 | — | 0.85 | SP-14V-1 | — | — | — |
| 3 | Ignition power 1 | — | W2 | — | 0.85 | SP-14V-1 | — | — | — |
| 4 | Power ground 2 | — | W6 | — | 0.85 | SP-GND-1 | — | — | — |
| 5 | Power ground 1 | — | W7 | — | 0.85 | SP-GND-1 | — | — | — |
| 6 | Cam position sensor (T2) | — | W23 | — | 0.5 | SH8-A-6 | — | — | — |
| 7 | Crank position sensor (T1) | — | W22 | — | 0.5 | SH8-A-5 | — | — | — |
| 8 | Logic ground 2 | — | W8 | — | 0.85 | SP-GND-1 | — | — | — |
| 9 | Logic ground 1 | — | W9 | — | 0.85 | SP-GND-1 | — | — | — |
| 10 | A/F sensor heater | — | — | — | — | — | — | — | — |
| 11 | Unused cavity | — | — | — | — | — | — | — | — |
| 12 | Unused cavity | — | — | — | — | — | — | — | — |
| 13 | Ignition coil 4 | — | W47 | — | 0.5 | SH8-B-30 | — | — | — |
| 14 | Ignition coil 3 | — | W46 | — | 0.5 | SH8-B-29 | — | — | — |
| 15 | Ignition coil 2 | — | W45 | — | 0.5 | SH8-B-28 | — | — | — |
| 16 | Ignition coil 1 | — | W44 | — | 0.5 | SH8-B-27 | — | — | — |
| 17 | Unused cavity | — | — | — | — | — | — | — | — |
| 18 | Vehicle speed sensor | — | W33 | — | 0.5 | SH8-A-26 | — | — | — |
| 19 | Unused cavity | — | — | — | — | — | — | — | — |
| 20 | Sensor voltage 2 | — | W18 | — | 0.5 | SP-5V-1 | — | — | — |
| 21 | Sensor voltage 1 | — | W19 | — | 0.5 | SP-5V-1 | — | — | — |
| 22 | Unused cavity | — | — | — | — | — | — | — | — |
| 23 | Sensor ground 2 | — | W13 | — | 0.5 | SP-0V-1 | — | — | — |
| 24 | Sensor ground 1 | — | W14 | — | 0.5 | SP-0V-1 | — | — | — |
| 25 | Accelerator pedal position B | — | — | — | — | — | — | — | — |
| 26 | Accelerator pedal position A | — | — | — | — | — | — | — | — |
| 27 | Unused cavity | — | — | — | — | — | — | — | — |
| 28 | A/F sensor signal − | — | — | — | — | — | — | — | — |
| 29 | Unused cavity | — | — | — | — | — | — | — | — |
| 30 | MAP sensor | — | W25 | — | 0.5 | SH8-A-10 | — | — | — |
| 31 | A/F sensor signal + | — | — | — | — | — | — | — | — |
S2K-B
Mating face
Wire side
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Unused cavity | — | — | — | — | — | — | — | — |
| 2 | Injector 4 | — | W43 | — | 0.5 | SH8-B-5 | — | — | — |
| 3 | Injector 3 | — | W42 | — | 0.5 | SH8-B-4 | — | — | — |
| 4 | Injector 2 | — | W41 | — | 0.5 | SH8-B-3 | — | — | — |
| 5 | Injector 1 | — | W40 | — | 0.5 | SH8-B-2 | — | — | — |
| 6 | VTEC solenoid | — | W48 | — | 0.5 | SH8-B-14 | — | — | — |
| 7 | Unused cavity | — | — | — | — | — | — | — | — |
| 8 | Coolant temp sensor | — | W30 | — | 0.5 | SH8-A-19 | — | — | — |
| 9 | Unused cavity | — | — | — | — | — | — | — | — |
| 10 | Alternator L signal | — | — | — | — | — | — | — | — |
| 11 | VTEC oil pressure switch | — | W34 | — | 0.5 | SH8-A-27 | — | — | — |
| 12 | Unused cavity | — | — | — | — | — | — | — | — |
| 13 | Alternator FR signal | — | — | — | — | — | — | — | — |
| 14 | Unused cavity | — | — | — | — | — | — | — | — |
| 15 | Engine mount control solenoid | — | — | — | — | — | — | — | — |
| 16 | Unused cavity | — | — | — | — | — | — | — | — |
| 17 | Intake air temp sensor | — | W31 | — | 0.5 | SH8-A-20 | — | — | — |
| 18 | Alternator control | — | W56 | — | 0.5 | SH8-B-25 | — | — | — |
| 19 | Throttle actuator command to throttle control module (SEFD) | — | — | — | — | — | — | — | — |
| 20 | Throttle actuator command to throttle control module (SEDF) | — | — | — | — | — | — | — | — |
| 21 | Evap canister purge valve | — | W54 | — | 0.5 | SH8-B-17 | — | — | — |
| 22 | Unused cavity | — | — | — | — | — | — | — | — |
| 23 | Unused cavity | — | — | — | — | — | — | — | — |
| 24 | Unused cavity | — | — | — | — | — | — | — | — |
S2K-D
Mating face
Wire side
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Cruise set switch | — | — | — | — | — | — | — | — |
| 2 | Unused cavity | — | — | — | — | — | — | — | — |
| 3 | Unused cavity | — | — | — | — | — | — | — | — |
| 4 | Cruise main switch | — | — | — | — | — | — | — | — |
| 5 | Unused cavity | — | — | — | — | — | — | — | — |
| 6 | Unused cavity | — | — | — | — | — | — | — | — |
| 7 | Cruise resume switch | — | — | — | — | — | — | — | — |
| 8 | Brake pedal position switch | — | W35 | — | 0.5 | SH8-A-28 | — | — | — |
| 9 | Cruise clutch signal | — | W36 | — | 0.5 | SH8-A-29 | — | — | — |
| 10 | Unused cavity | — | — | — | — | — | — | — | — |
| 11 | Unused cavity | — | — | — | — | — | — | — | — |
| 12 | Unused cavity | — | — | — | — | — | — | — | — |
| 13 | Unused cavity | — | — | — | — | — | — | — | — |
| 14 | Unused cavity | — | — | — | — | — | — | — | — |
| 15 | Throttle actuator relay | — | — | — | — | — | — | — | — |
| 16 | Unused cavity | — | — | — | — | — | — | — | — |
| 17 | Unused cavity | — | — | — | — | — | — | — | — |
S2K-E
Mating face
Wire side
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Coolant temp sensor 2 | — | — | — | — | — | — | — | — |
| 2 | Unused cavity | — | — | — | — | — | — | — | — |
| 3 | Logic ground 3 | — | W10 | — | 0.85 | SP-GND-1 | — | — | — |
| 4 | Sensor ground 3 | — | W15 | — | 0.5 | SP-0V-1 | — | — | — |
| 5 | Sensor voltage 3 | — | W20 | — | 0.5 | SP-5V-1 | — | — | — |
| 6 | Unused cavity | — | — | — | — | — | — | — | — |
| 7 | Main relay control | — | W55 | — | 0.5 | SH8-B-24 | — | — | — |
| 8 | A/F sensor heater relay | — | — | — | — | — | — | — | — |
| 9 | Ignition signal | — | W5 | — | 0.5 | SH8-B-21 | — | — | — |
| 10 | Unused cavity | — | — | — | — | — | — | — | — |
| 11 | CAN H | — | W38 | — | 0.5 | SH8-A-15 | — | — | — |
| 12 | Radiator fan control | — | W50 | — | 0.5 | SH8-B-11 | — | — | — |
| 13 | Multiplex communication | — | — | — | — | — | — | — | — |
| 14 | Fuel tank pressure sensor | — | — | — | — | — | — | — | — |
| 15 | Electrical load detector | — | — | — | — | — | — | — | — |
| 16 | Power steering load detector | — | W29 | — | 0.5 | SH8-A-18 | — | — | — |
| 17 | Fuel pump relay | — | W49 | — | 0.5 | SH8-B-10 | — | — | — |
| 18 | A/C clutch relay | — | W51 | — | 0.5 | SH8-B-13 | — | — | — |
| 19 | Evap canister vent shut valve | — | W58 | — | 0.5 | SH8-B-7 | — | — | — |
| 20 | Secondary O2 sensor | — | W32 | — | 0.5 | SH8-A-21 | — | — | — |
| 21 | Secondary O2 heater | — | W57 | — | 0.5 | SH8-B-6 | — | — | — |
| 22 | Brake pedal switch | — | — | — | — | — | — | — | — |
| 23 | Unused cavity | — | — | — | — | — | — | — | — |
| 24 | CAN L | — | W39 | — | 0.5 | SH8-A-23 | — | — | — |
| 25 | Engine speed pulse (tacho) | — | W52 | — | 0.5 | SH8-B-15 | — | — | — |
| 26 | Vehicle speed output | — | W53 | — | 0.5 | SH8-B-16 | — | — | — |
| 27 | Immobilizer code | — | — | — | — | — | — | — | — |
| 28 | A/C switch signal | — | W37 | — | 0.5 | SH8-A-30 | — | — | — |
| 29 | Service check signal | — | — | — | — | — | — | — | — |
| 30 | Write enable signal | — | — | — | — | — | — | — | — |
| 31 | Unused cavity | — | — | — | — | — | — | — | — |
SH8-A
Mating face
Wire side
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | ECU supply | — | W3 | — | 0.85 | SP-14V-1 | — | — | — |
| 2 | 8.0V sensor supply | — | — | — | — | — | — | — | — |
| 3 | 5.0V sensor supply | — | W21 | — | 0.5 | SP-5V-1 | — | — | — |
| 4 | 0V analog reference | — | W16 | — | 0.5 | SP-0V-1 | — | — | — |
| 5 | Crank position sensor | — | W22 | — | 0.5 | S2K-A-7 | — | — | — |
| 6 | Sync position sensor | — | W23 | — | 0.5 | S2K-A-6 | — | — | — |
| 7 | Trigger ground | — | W17 | — | 0.5 | SP-0V-1 | — | — | — |
| 8 | Shield | — | — | — | — | — | — | — | — |
| 9 | Ground 1 | — | W11 | — | 0.85 | SP-GND-1 | — | — | — |
| 10 | Analog voltage 1 | — | W25 | — | 0.5 | S2K-A-30 | — | — | — |
| 11 | Analog voltage 2 | — | W27 | — | 0.5 | TPS-J-SIG | — | — | — |
| 12 | Analog voltage 3 | — | — | — | — | — | — | — | — |
| 13 | Analog voltage 4 | — | — | — | — | — | — | — | — |
| 14 | Analog voltage 5 | — | — | — | — | — | — | — | — |
| 15 | CAN bus 1 high | — | W38 | — | 0.5 | S2K-E-11 | — | — | — |
| 16 | Knock 1 + | — | W24 | — | 0.5 | S2K-A-1 | — | — | — |
| 17 | Knock 1 − | — | — | — | — | — | — | — | — |
| 18 | Analog voltage 6 | — | W29 | — | 0.5 | S2K-E-16 | — | — | — |
| 19 | Analog voltage 7 (switchable 1k pull-up) | — | W30 | — | 0.5 | S2K-B-8 | — | — | — |
| 20 | Analog voltage 8 (switchable 1k pull-up) | — | W31 | — | 0.5 | S2K-B-17 | — | — | — |
| 21 | Analog voltage 9 (switchable 1k pull-up) | — | W32 | — | 0.5 | S2K-E-20 | — | — | — |
| 22 | Analog voltage 10 (switchable 1k pull-up) | — | — | — | — | — | — | — | — |
| 23 | CAN bus 1 low | — | W39 | — | 0.5 | S2K-E-24 | — | — | — |
| 24 | Knock 2 + | — | — | — | — | — | — | — | — |
| 25 | Knock 2 − | — | — | — | — | — | — | — | — |
| 26 | Digital input 1 | — | W33 | — | 0.5 | S2K-A-18 | — | — | — |
| 27 | Digital input 2 | — | W34 | — | 0.5 | S2K-B-11 | — | — | — |
| 28 | Digital input 3 | — | W35 | — | 0.5 | S2K-D-8 | — | — | — |
| 29 | Digital input 4 | — | W36 | — | 0.5 | S2K-D-9 | — | — | — |
| 30 | Digital input 5 | — | W37 | — | 0.5 | S2K-E-28 | — | — | — |
| 31 | Digital input 6 | — | — | — | — | — | — | — | — |
| 32 | CAN bus 2 high | — | — | — | — | — | — | — | — |
| 33 | CAN bus 2 low | — | — | — | — | — | — | — | — |
| 34 | Ground 2 | — | W12 | — | 0.85 | SP-GND-1 | — | — | — |
SH8-B
Mating face
Wire side
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Battery constant (HOT) supply | — | W4 | — | 0.85 | NEW-BATT-1 | — | — | — |
| 2 | Injector cylinder 1 | — | W40 | — | 0.5 | S2K-B-5 | — | — | — |
| 3 | Injector cylinder 2 | — | W41 | — | 0.5 | S2K-B-4 | — | — | — |
| 4 | Injector cylinder 3 | — | W42 | — | 0.5 | S2K-B-3 | — | — | — |
| 5 | Injector cylinder 4 | — | W43 | — | 0.5 | S2K-B-2 | — | — | — |
| 6 | Injector cylinder 5 | — | W57 | — | 0.5 | S2K-E-21 | — | — | — |
| 7 | Injector cylinder 6 | — | W58 | — | 0.5 | S2K-E-19 | — | — | — |
| 8 | Injector cylinder 7 | — | — | — | — | — | — | — | — |
| 9 | Injector cylinder 8 | — | — | — | — | — | — | — | — |
| 10 | Aux output 1 | — | W49 | — | 0.5 | S2K-E-17 | — | — | — |
| 11 | Aux output 2 | — | W50 | — | 0.5 | S2K-E-12 | — | — | — |
| 12 | Aux output 3 | — | — | — | — | — | — | — | — |
| 13 | Aux output 4 | — | W51 | — | 0.5 | S2K-E-18 | — | — | — |
| 14 | Aux output 5 | — | W48 | — | 0.5 | S2K-B-6 | — | — | — |
| 15 | Aux output 6 | — | W52 | — | 0.5 | S2K-E-25 | — | — | — |
| 16 | Aux output 7 | — | W53 | — | 0.5 | S2K-E-26 | — | — | — |
| 17 | Aux output 8 | — | W54 | — | 0.5 | S2K-B-21 | — | — | — |
| 18 | Digital input 7 | — | — | — | — | — | — | — | — |
| 19 | Digital input 8 | — | — | — | — | — | — | — | — |
| 20 | Digital input 9 | — | — | — | — | — | — | — | — |
| 21 | Digital input 10 / ignition switch | — | W5 | — | 0.5 | S2K-E-9 | — | — | — |
| 22 | Aux output 9 | — | — | — | — | — | — | — | — |
| 23 | Aux output 10 | — | — | — | — | — | — | — | — |
| 24 | Aux output 11 | — | W55 | — | 0.5 | S2K-E-7 | — | — | — |
| 25 | Aux output 12 | — | W56 | — | 0.5 | S2K-B-18 | — | — | — |
| 26 | Aux 9–12 power supply | — | — | — | — | — | — | — | — |
| 27 | Ignition TTL cylinder 1 | — | W44 | — | 0.5 | S2K-A-16 | — | — | — |
| 28 | Ignition TTL cylinder 2 | — | W45 | — | 0.5 | S2K-A-15 | — | — | — |
| 29 | Ignition TTL cylinder 3 | — | W46 | — | 0.5 | S2K-A-14 | — | — | — |
| 30 | Ignition TTL cylinder 4 | — | W47 | — | 0.5 | S2K-A-13 | — | — | — |
| 31 | Ignition TTL cylinder 5 | — | — | — | — | — | — | — | — |
| 32 | Ignition TTL cylinder 6 | — | — | — | — | — | — | — | — |
| 33 | Ignition TTL cylinder 7 | — | — | — | — | — | — | — | — |
| 34 | Ignition TTL cylinder 8 | — | — | — | — | — | — | — | — |
SP-0V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W13 | — | 0.5 | S2K-A-23 | — | — | — |
| 1 | — | — | W14 | — | 0.5 | S2K-A-24 | — | — | — |
| 1 | — | — | W15 | — | 0.5 | S2K-E-4 | — | — | — |
| 1 | — | — | W16 | — | 0.5 | SH8-A-4 | — | — | — |
| 1 | — | — | W17 | — | 0.5 | SH8-A-7 | — | — | — |
| 1 | — | — | W28 | — | 0.5 | TPS-J-GND | — | — | — |
SP-14V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W2 | — | 0.85 | S2K-A-3 | — | — | — |
| 1 | — | — | W1 | — | 0.85 | S2K-A-2 | — | — | — |
| 1 | — | — | W3 | — | 0.85 | SH8-A-1 | — | — | — |
SP-5V
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W18 | — | 0.5 | S2K-A-20 | — | — | — |
| 1 | — | — | W19 | — | 0.5 | S2K-A-21 | — | — | — |
| 1 | — | — | W20 | — | 0.5 | S2K-E-5 | — | — | — |
| 1 | — | — | W21 | — | 0.5 | SH8-A-3 | — | — | — |
| 1 | — | — | W26 | — | 0.5 | TPS-J-VCC | — | — | — |
SP-GND
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | W7 | — | 0.85 | S2K-A-5 | — | — | — |
| 1 | — | — | W6 | — | 0.85 | S2K-A-4 | — | — | — |
| 1 | — | — | W8 | — | 0.85 | S2K-A-8 | — | — | — |
| 1 | — | — | W9 | — | 0.85 | S2K-A-9 | — | — | — |
| 1 | — | — | W10 | — | 0.85 | S2K-E-3 | — | — | — |
| 1 | — | — | W11 | — | 0.85 | SH8-A-9 | — | — | — |
| 1 | — | — | W12 | — | 0.85 | SH8-A-34 | — | — | — |
TPS-J
Mating face
Wire side
| Cavity | Function | Signal | Wire | Colour | Gauge (mm²) | Destination | Terminal | Seal | Plug |
|---|---|---|---|---|---|---|---|---|---|
| VCC | 5V supply in | — | W26 | — | 0.5 | SP-5V-1 | — | — | — |
| SIG | Throttle position signal | — | W27 | — | 0.5 | SH8-A-11 | — | — | — |
| GND | Sensor ground | — | W28 | — | 0.5 | SP-0V-1 | — | — | — |
Pin map
| OEM point | OEM function | OEM family | Target point | Target function | Target family | Wire colour | Evidence |
|---|---|---|---|---|---|---|---|
| S2K-A-1 | Knock sensor | knock_in | SH8-A-16 | Knock 1 + | knock_in | single_source | |
| S2K-A-10 | A/F sensor heater | low_side_out | — | — | — | single_source | |
| S2K-A-11 | Unused cavity | — | — | — | — | unverified | |
| S2K-A-12 | Unused cavity | — | — | — | — | unverified | |
| S2K-A-13 | Ignition coil 4 | ignition_out | SH8-B-30 | Ignition TTL cylinder 4 | ignition_out | single_source | |
| S2K-A-14 | Ignition coil 3 | ignition_out | SH8-B-29 | Ignition TTL cylinder 3 | ignition_out | single_source | |
| S2K-A-15 | Ignition coil 2 | ignition_out | SH8-B-28 | Ignition TTL cylinder 2 | ignition_out | single_source | |
| S2K-A-16 | Ignition coil 1 | ignition_out | SH8-B-27 | Ignition TTL cylinder 1 | ignition_out | single_source | |
| S2K-A-17 | Unused cavity | — | — | — | — | unverified | |
| S2K-A-18 | Vehicle speed sensor | digital_in | SH8-A-26 | Digital input 1 | digital_in | single_source | |
| S2K-A-19 | Unused cavity | — | — | — | — | unverified | |
| S2K-A-2 | Ignition power 2 | power_in | SH8-A-1 | ECU supply | power_in | single_source | |
| S2K-A-20 | Sensor voltage 2 | vref | SH8-A-3 + TPS-J-VCC | 5.0V sensor supply + 5V supply in | power_in + vref | corroborated | |
| S2K-A-21 | Sensor voltage 1 | vref | SH8-A-3 + TPS-J-VCC | 5.0V sensor supply + 5V supply in | power_in + vref | single_source | |
| S2K-A-22 | Unused cavity | — | — | — | — | unverified | |
| S2K-A-23 | Sensor ground 2 | sensor_ground | SH8-A-4 + SH8-A-7 + TPS-J-GND | 0V analog reference + Trigger ground + Sensor ground | sensor_ground | corroborated | |
| S2K-A-24 | Sensor ground 1 | sensor_ground | SH8-A-4 + SH8-A-7 + TPS-J-GND | 0V analog reference + Trigger ground + Sensor ground | sensor_ground | single_source | |
| S2K-A-25 | Accelerator pedal position B | analog_in | — | — | — | corroborated | |
| S2K-A-26 | Accelerator pedal position A | analog_in | — | — | — | corroborated | |
| S2K-A-27 | Unused cavity | — | — | — | — | unverified | |
| S2K-A-28 | A/F sensor signal − | — | — | — | — | single_source | |
| S2K-A-29 | Unused cavity | — | — | — | — | unverified | |
| S2K-A-3 | Ignition power 1 | power_in | SH8-A-1 | ECU supply | power_in | single_source | |
| S2K-A-30 | MAP sensor | analog_in | SH8-A-10 | Analog voltage 1 | analog_in | single_source | |
| S2K-A-31 | A/F sensor signal + | — | — | — | — | single_source | |
| S2K-A-4 | Power ground 2 | ground | SH8-A-34 + SH8-A-9 | Ground 2 + Ground 1 | ground | single_source | |
| S2K-A-5 | Power ground 1 | ground | SH8-A-34 + SH8-A-9 | Ground 2 + Ground 1 | ground | single_source | |
| S2K-A-6 | Cam position sensor (T2) | trigger_in | SH8-A-6 | Sync position sensor | trigger_in | single_source | |
| S2K-A-7 | Crank position sensor (T1) | trigger_in | SH8-A-5 | Crank position sensor | trigger_in | single_source | |
| S2K-A-8 | Logic ground 2 | ground | SH8-A-34 + SH8-A-9 | Ground 2 + Ground 1 | ground | single_source | |
| S2K-A-9 | Logic ground 1 | ground | SH8-A-34 + SH8-A-9 | Ground 2 + Ground 1 | ground | single_source | |
| S2K-B-1 | Unused cavity | — | — | — | — | unverified | |
| S2K-B-10 | Alternator L signal | — | — | — | — | single_source | |
| S2K-B-11 | VTEC oil pressure switch | digital_in | SH8-A-27 | Digital input 2 | digital_in | single_source | |
| S2K-B-12 | Unused cavity | — | — | — | — | unverified | |
| S2K-B-13 | Alternator FR signal | analog_in | — | — | — | single_source | |
| S2K-B-14 | Unused cavity | — | — | — | — | unverified | |
| S2K-B-15 | Engine mount control solenoid | low_side_out | — | — | — | single_source | |
| S2K-B-16 | Unused cavity | — | — | — | — | unverified | |
| S2K-B-17 | Intake air temp sensor | temp_in | SH8-A-20 | Analog voltage 8 (switchable 1k pull-up) | analog_in | single_source | |
| S2K-B-18 | Alternator control | low_side_out | SH8-B-25 | Aux output 12 | hbridge_out | single_source | |
| S2K-B-19 | Throttle actuator command to throttle control module (SEFD) | — | — | — | — | conflict | |
| S2K-B-2 | Injector 4 | injector_out | SH8-B-5 | Injector cylinder 4 | injector_out | single_source | |
| S2K-B-20 | Throttle actuator command to throttle control module (SEDF) | — | — | — | — | conflict | |
| S2K-B-21 | Evap canister purge valve | low_side_out | SH8-B-17 | Aux output 8 | switch_out | single_source | |
| S2K-B-22 | Unused cavity | — | — | — | — | unverified | |
| S2K-B-23 | Unused cavity | — | — | — | — | unverified | |
| S2K-B-24 | Unused cavity | — | — | — | — | unverified | |
| S2K-B-3 | Injector 3 | injector_out | SH8-B-4 | Injector cylinder 3 | injector_out | single_source | |
| S2K-B-4 | Injector 2 | injector_out | SH8-B-3 | Injector cylinder 2 | injector_out | single_source | |
| S2K-B-5 | Injector 1 | injector_out | SH8-B-2 | Injector cylinder 1 | injector_out | single_source | |
| S2K-B-6 | VTEC solenoid | high_side_out | SH8-B-14 | Aux output 5 | switch_out | single_source | |
| S2K-B-7 | Unused cavity | — | — | — | — | unverified | |
| S2K-B-8 | Coolant temp sensor | temp_in | SH8-A-19 | Analog voltage 7 (switchable 1k pull-up) | analog_in | single_source | |
| S2K-B-9 | Unused cavity | — | — | — | — | unverified | |
| S2K-D-1 | Cruise set switch | digital_in | — | — | — | single_source | |
| S2K-D-10 | Unused cavity | — | — | — | — | unverified | |
| S2K-D-11 | Unused cavity | — | — | — | — | unverified | |
| S2K-D-12 | Unused cavity | — | — | — | — | unverified | |
| S2K-D-13 | Unused cavity | — | — | — | — | unverified | |
| S2K-D-14 | Unused cavity | — | — | — | — | unverified | |
| S2K-D-15 | Throttle actuator relay | low_side_out | — | — | — | single_source | |
| S2K-D-16 | Unused cavity | — | — | — | — | unverified | |
| S2K-D-17 | Unused cavity | — | — | — | — | unverified | |
| S2K-D-2 | Unused cavity | — | — | — | — | unverified | |
| S2K-D-3 | Unused cavity | — | — | — | — | unverified | |
| S2K-D-4 | Cruise main switch | digital_in | — | — | — | single_source | |
| S2K-D-5 | Unused cavity | — | — | — | — | unverified | |
| S2K-D-6 | Unused cavity | — | — | — | — | unverified | |
| S2K-D-7 | Cruise resume switch | digital_in | — | — | — | single_source | |
| S2K-D-8 | Brake pedal position switch | digital_in | SH8-A-28 | Digital input 3 | digital_in | single_source | |
| S2K-D-9 | Cruise clutch signal | digital_in | SH8-A-29 | Digital input 4 | digital_in | single_source | |
| S2K-E-1 | Coolant temp sensor 2 | temp_in | — | — | — | single_source | |
| S2K-E-10 | Unused cavity | — | — | — | — | unverified | |
| S2K-E-11 | CAN H | can_h | SH8-A-15 | CAN bus 1 high | can_h | single_source | |
| S2K-E-12 | Radiator fan control | low_side_out | SH8-B-11 | Aux output 2 | low_side_out | single_source | |
| S2K-E-13 | Multiplex communication | serial | — | — | — | single_source | |
| S2K-E-14 | Fuel tank pressure sensor | analog_in | — | — | — | single_source | |
| S2K-E-15 | Electrical load detector | analog_in | — | — | — | single_source | |
| S2K-E-16 | Power steering load detector | analog_in | SH8-A-18 | Analog voltage 6 | analog_in | corroborated | |
| S2K-E-17 | Fuel pump relay | low_side_out | SH8-B-10 | Aux output 1 | low_side_out | single_source | |
| S2K-E-18 | A/C clutch relay | low_side_out | SH8-B-13 | Aux output 4 | low_side_out | single_source | |
| S2K-E-19 | Evap canister vent shut valve | low_side_out | SH8-B-7 | Injector cylinder 6 | injector_out | single_source | |
| S2K-E-2 | Unused cavity | — | — | — | — | unverified | |
| S2K-E-20 | Secondary O2 sensor | lambda_nb_in | SH8-A-21 | Analog voltage 9 (switchable 1k pull-up) | analog_in | single_source | |
| S2K-E-21 | Secondary O2 heater | low_side_out | SH8-B-6 | Injector cylinder 5 | injector_out | single_source | |
| S2K-E-22 | Brake pedal switch | digital_in | — | — | — | single_source | |
| S2K-E-23 | Unused cavity | — | — | — | — | unverified | |
| S2K-E-24 | CAN L | can_l | SH8-A-23 | CAN bus 1 low | can_l | single_source | |
| S2K-E-25 | Engine speed pulse (tacho) | tacho_out | SH8-B-15 | Aux output 6 | switch_out | single_source | |
| S2K-E-26 | Vehicle speed output | tacho_out | SH8-B-16 | Aux output 7 | switch_out | single_source | |
| S2K-E-27 | Immobilizer code | — | — | — | — | single_source | |
| S2K-E-28 | A/C switch signal | digital_in | SH8-A-30 | Digital input 5 | digital_in | single_source | |
| S2K-E-29 | Service check signal | — | — | — | — | single_source | |
| S2K-E-3 | Logic ground 3 | ground | SH8-A-34 + SH8-A-9 | Ground 2 + Ground 1 | ground | single_source | |
| S2K-E-30 | Write enable signal | — | — | — | — | single_source | |
| S2K-E-31 | Unused cavity | — | — | — | — | unverified | |
| S2K-E-4 | Sensor ground 3 | sensor_ground | SH8-A-4 + SH8-A-7 + TPS-J-GND | 0V analog reference + Trigger ground + Sensor ground | sensor_ground | corroborated | |
| S2K-E-5 | Sensor voltage 3 | vref | SH8-A-3 + TPS-J-VCC | 5.0V sensor supply + 5V supply in | power_in + vref | corroborated | |
| S2K-E-6 | Unused cavity | — | — | — | — | unverified | |
| S2K-E-7 | Main relay control | low_side_out | SH8-B-24 | Aux output 11 | hbridge_out | single_source | |
| S2K-E-8 | A/F sensor heater relay | low_side_out | — | — | — | single_source | |
| S2K-E-9 | Ignition signal | digital_in | SH8-B-21 | Digital input 10 / ignition switch | digital_in | single_source |
Cut list
| Wire | From | To | Gauge (mm²) | Colour | Length | Signal | Ident |
|---|---|---|---|---|---|---|---|
| W1 | S2K-A-2 | SP-14V-1 | 0.85 | no route | Ignition power 2 | — | |
| W2 | S2K-A-3 | SP-14V-1 | 0.85 | no route | Ignition power 1 | — | |
| W3 | SP-14V-1 | SH8-A-1 | 0.85 | no route | ECU supply | — | |
| W4 | NEW-BATT-1 | SH8-B-1 | 0.85 | no route | Battery constant (HOT) supply | — | |
| W5 | S2K-E-9 | SH8-B-21 | 0.5 | no route | Ignition signal | — | |
| W6 | S2K-A-4 | SP-GND-1 | 0.85 | no route | Power ground 2 | — | |
| W7 | S2K-A-5 | SP-GND-1 | 0.85 | no route | Power ground 1 | — | |
| W8 | S2K-A-8 | SP-GND-1 | 0.85 | no route | Logic ground 2 | — | |
| W9 | S2K-A-9 | SP-GND-1 | 0.85 | no route | Logic ground 1 | — | |
| W10 | S2K-E-3 | SP-GND-1 | 0.85 | no route | Logic ground 3 | — | |
| W11 | SP-GND-1 | SH8-A-9 | 0.85 | no route | Ground 1 | — | |
| W12 | SP-GND-1 | SH8-A-34 | 0.85 | no route | Ground 2 | — | |
| W13 | S2K-A-23 | SP-0V-1 | 0.5 | no route | Sensor ground 2 | — | |
| W14 | S2K-A-24 | SP-0V-1 | 0.5 | no route | Sensor ground 1 | — | |
| W15 | S2K-E-4 | SP-0V-1 | 0.5 | no route | Sensor ground 3 | — | |
| W16 | SP-0V-1 | SH8-A-4 | 0.5 | no route | 0V analog reference | — | |
| W17 | SP-0V-1 | SH8-A-7 | 0.5 | no route | Trigger ground | — | |
| W18 | S2K-A-20 | SP-5V-1 | 0.5 | no route | Sensor voltage 2 | — | |
| W19 | S2K-A-21 | SP-5V-1 | 0.5 | no route | Sensor voltage 1 | — | |
| W20 | S2K-E-5 | SP-5V-1 | 0.5 | no route | Sensor voltage 3 | — | |
| W21 | SP-5V-1 | SH8-A-3 | 0.5 | no route | 5.0V sensor supply | — | |
| W22 | S2K-A-7 | SH8-A-5 | 0.5 | no route | Crank position sensor (T1) | — | |
| W23 | S2K-A-6 | SH8-A-6 | 0.5 | no route | Cam position sensor (T2) | — | |
| W24 | S2K-A-1 | SH8-A-16 | 0.5 | no route | Knock sensor | — | |
| W25 | S2K-A-30 | SH8-A-10 | 0.5 | no route | MAP sensor | — | |
| W26 | SP-5V-1 | TPS-J-VCC | 0.5 | no route | 5V supply in | — | |
| W27 | TPS-J-SIG | SH8-A-11 | 0.5 | no route | Throttle position signal | — | |
| W28 | TPS-J-GND | SP-0V-1 | 0.5 | no route | Sensor ground | — | |
| W29 | S2K-E-16 | SH8-A-18 | 0.5 | no route | Power steering load detector | — | |
| W30 | S2K-B-8 | SH8-A-19 | 0.5 | no route | Coolant temp sensor | — | |
| W31 | S2K-B-17 | SH8-A-20 | 0.5 | no route | Intake air temp sensor | — | |
| W32 | S2K-E-20 | SH8-A-21 | 0.5 | no route | Secondary O2 sensor | — | |
| W33 | S2K-A-18 | SH8-A-26 | 0.5 | no route | Vehicle speed sensor | — | |
| W34 | S2K-B-11 | SH8-A-27 | 0.5 | no route | VTEC oil pressure switch | — | |
| W35 | S2K-D-8 | SH8-A-28 | 0.5 | no route | Brake pedal position switch | — | |
| W36 | S2K-D-9 | SH8-A-29 | 0.5 | no route | Cruise clutch signal | — | |
| W37 | S2K-E-28 | SH8-A-30 | 0.5 | no route | A/C switch signal | — | |
| W38 | S2K-E-11 | SH8-A-15 | 0.5 | no route | CAN H | — | |
| W39 | S2K-E-24 | SH8-A-23 | 0.5 | no route | CAN L | — | |
| W40 | S2K-B-5 | SH8-B-2 | 0.5 | no route | Injector 1 | — | |
| W41 | S2K-B-4 | SH8-B-3 | 0.5 | no route | Injector 2 | — | |
| W42 | S2K-B-3 | SH8-B-4 | 0.5 | no route | Injector 3 | — | |
| W43 | S2K-B-2 | SH8-B-5 | 0.5 | no route | Injector 4 | — | |
| W44 | S2K-A-16 | SH8-B-27 | 0.5 | no route | Ignition coil 1 | — | |
| W45 | S2K-A-15 | SH8-B-28 | 0.5 | no route | Ignition coil 2 | — | |
| W46 | S2K-A-14 | SH8-B-29 | 0.5 | no route | Ignition coil 3 | — | |
| W47 | S2K-A-13 | SH8-B-30 | 0.5 | no route | Ignition coil 4 | — | |
| W48 | S2K-B-6 | SH8-B-14 | 0.5 | no route | VTEC solenoid | — | |
| W49 | S2K-E-17 | SH8-B-10 | 0.5 | no route | Fuel pump relay | — | |
| W50 | S2K-E-12 | SH8-B-11 | 0.5 | no route | Radiator fan control | — | |
| W51 | S2K-E-18 | SH8-B-13 | 0.5 | no route | A/C clutch relay | — | |
| W52 | S2K-E-25 | SH8-B-15 | 0.5 | no route | Engine speed pulse (tacho) | — | |
| W53 | S2K-E-26 | SH8-B-16 | 0.5 | no route | Vehicle speed output | — | |
| W54 | S2K-B-21 | SH8-B-17 | 0.5 | no route | Evap canister purge valve | — | |
| W55 | S2K-E-7 | SH8-B-24 | 0.5 | no route | Main relay control | — | |
| W56 | S2K-B-18 | SH8-B-25 | 0.5 | no route | Alternator control | — | |
| W57 | S2K-E-21 | SH8-B-6 | 0.5 | no route | Secondary O2 heater | — | |
| W58 | S2K-E-19 | SH8-B-7 | 0.5 | no route | Evap canister vent shut valve | — |
Bill of materials
| Category | Part number | Manufacturer | Description | Qty | Unit |
|---|---|---|---|---|---|
| connector | 4-1437290-0 | TE | Superseal 1.0 34-way plug, Key 1 | 1.000 | ea |
| connector | 4-1437290-1 | TE | Superseal 1.0 34-way plug, Key 2 | 1.000 | ea |
| connector | S2K-0609-ECU-A | Honda | S2000 2006–09 ECU plug A (P/N unknown) | 1.000 | ea |
| connector | S2K-0609-ECU-B | Honda | S2000 2006–09 ECU plug B (P/N unknown) | 1.000 | ea |
| connector | S2K-0609-ECU-D | Honda | S2000 2006–09 ECU plug D (P/N unknown) | 1.000 | ea |
| connector | S2K-0609-ECU-E | Honda | S2000 2006–09 ECU plug E (P/N unknown) | 1.000 | ea |
| connector | TPS-3W | Generic | 3-way throttle position sensor plug (match to your throttle body) | 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 (12)
| Severity | Code | Subject | Message |
|---|---|---|---|
| info | NET_FAMILY | S2K-B-17 ↔ SH8-A-20 | S2K-B-17 "Intake air temp sensor" [temp_in] is wired to SH8-A-20 "Analog voltage 8 (switchable 1k pull-up)" [analog_in]. Thermistor on a plain analog input needs a pull-up; check the channel can enable one. |
| info | NET_FAMILY | S2K-B-21 ↔ SH8-B-17 | S2K-B-21 "Evap canister purge valve" [low_side_out] is wired to SH8-B-17 "Aux output 8" [switch_out]. Configure this output as low side. |
| info | NET_FAMILY | S2K-B-6 ↔ SH8-B-14 | S2K-B-6 "VTEC solenoid" [high_side_out] is wired to SH8-B-14 "Aux output 5" [switch_out]. Configure this output as high side. |
| info | NET_FAMILY | S2K-B-8 ↔ SH8-A-19 | S2K-B-8 "Coolant temp sensor" [temp_in] is wired to SH8-A-19 "Analog voltage 7 (switchable 1k pull-up)" [analog_in]. Thermistor on a plain analog input needs a pull-up; check the channel can enable one. |
| info | NET_FAMILY | S2K-E-19 ↔ SH8-B-7 | S2K-E-19 "Evap canister vent shut valve" [low_side_out] is wired to SH8-B-7 "Injector cylinder 6" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | S2K-E-21 ↔ SH8-B-6 | S2K-E-21 "Secondary O2 heater" [low_side_out] is wired to SH8-B-6 "Injector cylinder 5" [injector_out]. Injector drivers can usually run general low-side loads; check current and PWM frequency. |
| info | NET_FAMILY | S2K-E-25 ↔ SH8-B-15 | S2K-E-25 "Engine speed pulse (tacho)" [tacho_out] is wired to SH8-B-15 "Aux output 6" [switch_out]. Frequency output on a general output: set it up as a tacho/frequency output with the right pull-up. |
| info | NET_FAMILY | S2K-E-26 ↔ SH8-B-16 | S2K-E-26 "Vehicle speed output" [tacho_out] is wired to SH8-B-16 "Aux output 7" [switch_out]. Frequency output on a general output: set it up as a tacho/frequency output with the right pull-up. |
| info | PIN_UNSOURCED | TPS-J-GND | TPS-J-GND "Sensor ground" has no recorded source. |
| info | PIN_UNSOURCED | TPS-J-SIG | TPS-J-SIG "Throttle position signal" has no recorded source. |
| info | PIN_UNSOURCED | TPS-J-VCC | TPS-J-VCC "5V supply in" has no recorded source. |
| info | UNMAPPED | OEM | 21 optional OEM pins are not mapped: S2K-A-10 A/F sensor heater; S2K-A-28 A/F sensor signal −; S2K-A-31 A/F sensor signal +; S2K-B-10 Alternator L signal; S2K-B-13 Alternator FR signal; S2K-B-15 Engine mount control solenoid; S2K-B-19 Throttle actuator command to throttle control module (SEFD); S2K-B-20 Throttle actuator command to throttle control module (SEDF); S2K-D-1 Cruise set switch; S2K-D-15 Throttle actuator relay; S2K-D-4 Cruise main switch; S2K-D-7 Cruise resume switch; S2K-E-1 Coolant temp sensor 2; S2K-E-13 Multiplex communication; S2K-E-14 Fuel tank pressure sensor; S2K-E-15 Electrical load detector; S2K-E-22 Brake pedal switch; S2K-E-27 Immobilizer code; S2K-E-29 Service check signal; S2K-E-30 Write enable signal; S2K-E-8 A/F sensor heater relay |
Accepted (5)
| Code | Subject | Reason | By |
|---|---|---|---|
| REQUIRED_UNMAPPED | S2K-A-25 | DBW removed: cable throttle body fitted. | mapping-proposal |
| REQUIRED_UNMAPPED | S2K-A-26 | DBW removed: cable throttle body fitted. | mapping-proposal |
| SUPPLY_GROUP | S2K-A-20 + S2K-A-21 + S2K-E-5 + SH8-A-3 + SP-5V-1 + TPS-J-VCC | Emtron has one 5V reference; the OEM ECU's separate 5V supplies are joined. Decision pending (see document). | mapping-proposal |
| NET_FAMILY | S2K-B-18 ↔ SH8-B-25 | Half-bridge configured as low side. | mapping-proposal |
| NET_FAMILY | S2K-E-7 ↔ SH8-B-24 | Half-bridge configured as low side. | mapping-proposal |
Notes
No notes.
Sources
| Reliability | Kind | Title | URL |
|---|---|---|---|
| 4 | vendor_doc | AEM 30-6053 Series 2 Plug & Play EMS, 2006–2008 S2000 AP2 (original ECU pinout) | https://documents.aemelectronics.com/techlibrary_30-6053_series_2_plug___play_ems.pdf |
| 4 | datasheet | Emtron Shadow 8 ECU datasheet | https://docs.emtronaustralia.com.au/engine-management/datasheets/shadow-8-datasheet/index.html |
| 4 | vendor_doc | Emtron Shadow 8 pinout | https://docs.emtronaustralia.com.au/engine-management/wiring/shadow-8/shadow-8-pinout/index.html |
| 4 | service_manual | Honda S2000 Service Manual 2000–2008 (DBW engine control) | https://www.s2000.wiki/view/images/7/7f/Service_Manual_2000-2008.pdf |
| 3 | vendor_doc | ScienceofSpeed Link G4X ECU, S2000 2006–09 (product page) | https://www.scienceofspeed.com/s2000-2000-09/scienceofspeed-link-g4x-ecu-s2000-2006-09-enpp-3822.html |