Not confident with automotive wiring? Have a professional harness builder or tuner do it, or check your work before first power-up. A wiring mistake can damage the ECU, the engine or the car, or start a fire.
100%
Stock ECU being replaced
MS3PROEVO-A-3 Injector out J
MS3PROEVO-A-4 Injector out I
MS3PROEVO-B-1 Injector out A
MS3PROEVO-B-4 Injector out C
MS3PROEVO-A-28 Fuel pump relay out
MS3PROEVO-B-6 Injector out D
MS3PROEVO-B-8 Injector out E
MS3PROEVO-C-3 Digital out 2
MS3PROEVO-A-1 High current out 1
MS3PROEVO-A-30 PWM out 3
MS3PROEVO-B-13 Spark out G
GND
ECM power source (IGP1)
MS3PROEVO-B-10 Injector out F
MS3PROEVO-B-11 Injector out G
MS3PROEVO-B-12 Injector out H
MS3PROEVO-A-2 High current out 2
MS3PROEVO-A-5 High current out 3
MS3PROEVO-B-2 Injector out B
MS3PROEVO-C-2 PWM out 4
MS3PROEVO-C-1 PWM out 5
MS3PROEVO-B-14 Spark out E
GND
0V sensor
OEM-A
Stock ECU being replaced
1Injector 1 (INJ1)
2Injector 2 (INJ2)
3Injector 3 (INJ3)
4EVAP canister vent shut valve (VSV)
5Fuel pump relay (FLR1)
6EGR control solenoid (ESOL)
7Malfunction indicator lamp (MIL)
8A/C clutch relay (ACC)
9Front secondary O2 heater (FSO2SHTC)
10Rear secondary O2 heater (RSO2SHTC)
11Ignition coil 1 (IGN COIL1)
12Power ground (PG1)
13ECM power source (IGP1)
14Injector 4 (INJ4)
15Injector 5 (INJ5)
16Injector 6 (INJ6)
17EVAP bypass solenoid (2WBS)
20IAB control solenoid (IABCS)
21EVAP purge control solenoid (PCS)
22Front primary O2 heater (FPO2SHTC)
23Rear primary O2 heater (RPO2SHTC)
24Ignition coil 2 (IGN COIL2)
25Power ground (PG2)
26Logic ground (LG1)
MS3PROEVO-B-29 Digital switched in 3
MS3PROEVO-B-25 Spark out B
MS3PROEVO-C-11 Digital switched in 4
MS3PROEVO-C-10 Digital switched in 5
MS3PROEVO-B-28 Digital frequency in 1 (unconditioned)
MS3PROEVO-A-26 CMP+
MS3PROEVO-B-34 Digital Frequency in 1 (VR+)
MS3PROEVO-A-6 CKP+
0V sensor
MS3PROEVO-B-24 Spark out F
MS3PROEVO-B-16 Spark out H
MS3PROEVO-B-15 Spark out C
0V sensor
0V sensor
0V sensor
0V sensor
OEM-B
Stock ECU being replaced
1VTEC pressure switch front (VTP SWF)
2Ignition coil 6 (IGN COIL6)
3VTEC pressure switch rear (VTP SWR)
4Neutral switch (NT SW, M/T)
5Cylinder position sensor 2 + (CYP 2P)
6Cylinder position sensor 1 + (CYP 1P)
7Crank position sensor 2 + (CKP 2P)
8Crank position sensor 1 + (CKP 1P)
9Logic ground (LG2)
10Ignition coil 5 (IGN COIL5)
11Ignition coil 4 (IGN COIL4)
12Ignition coil 3 (IGN COIL3)
13Cylinder position sensor 2 return (CYP 2M)
14Cylinder position sensor 1 return (CYP 1M)
15Crank position sensor 2 return (CKP 2M)
16Crank position sensor 1 return (CKP 1M)
ECM power source (IGP2)
MS3PROEVO-B-21 Digital frequency in 3 (unconditioned)
MS3PROEVO-B-22 Digital Frequency in 3 (VR+)
MS3PROEVO-B-17 Digital frequency in 2 (Hall)
MS3PROEVO-A-24 Tach out
OEM-C
Stock ECU being replaced
1ECM power source (IGP2)
4Clutch switch (MTCLS, M/T)
6Starter switch (STS)
7Vehicle speed sensor (VSS)
8Engine speed pulse (NEP)
MS3PROEVO-A-7 Knock In 2
MS3PROEVO-A-11 CLT in
MS3PROEVO-A-10 MAT in
MS3PROEVO-A-19 Analog in 1
5V ref
0V sensor
MS3PROEVO-A-21 Analog in 3
MS3PROEVO-A-31 Knock in 1
MS3PROEVO-A-25 O2 in
MS3PROEVO-A-22 Analog In 4
MS3PROEVO-A-23 Analog In 5
MS3PROEVO-A-12 Analog In 6
MS3PROEVO-A-17 Analog In 7
OEM-D
Stock ECU being replaced
2Knock sensor rear (KSR)
7Engine coolant temperature (ECT)
8Intake air temperature (IAT)
9MAP sensor
10Sensor 5V supply (VCC2)
11Sensor ground (SG2)
12Throttle position sensor (TPS)
13Knock sensor front (KSF)
16Front secondary O2 signal (O2S FS)
17Rear secondary O2 signal (O2S RS)
18Front primary O2 signal (O2S FP)
19Rear primary O2 signal (O2S RP)
20EGR valve lift sensor (EGRL)
5V ref
0V sensor
MS3PROEVO-A-29 PWM out 2
MS3PROEVO-B-20 Digital switched in 2
MS3PROEVO-A-20 Analog in 2
MS3PROEVO-A-9 TPS in
5V ref
0V sensor
MS3PROEVO-A-32 Digital switched in 1
MS3PROEVO-A-14 PWM / Idle Out 1
MS3PROEVO-C-4 Digital out 1
OEM-F
Stock ECU being replaced
1Sensor 5V supply (VCC1)
2Sensor ground (SG1)
4Fuel pump relay 2 (FLR2)
6Brake switch 2 (BKSW2)
12Accelerator pedal position 2 (AP2)
13Accelerator pedal position 1 (AP1)
14Accelerator pedal 5V supply (VCC3)
15Accelerator pedal ground (SG3)
16Brake switch 1 (BKSW1)
19VTEC solenoid front (VT SOLF)
20VTEC solenoid rear (VT SOLR)
Throttle motor power source 1 (IGM1)
Throttle motor power source 2 (IGM2)
GND
GND
Throttle motor common power phases 1&3 (COM1)
Throttle motor common power phases 2&4 (COM2)
OEM-G
Stock ECU being replaced
2Throttle motor power source 1 (IGM1)
3Throttle motor power source 2 (IGM2)
7Throttle motor ground 1 (PGM1)
8Throttle motor ground 2 (PGM2)
9Throttle motor common power phases 1&3 (COM1)
10Throttle motor common power phases 2&4 (COM2)
MS3PROEVO
MS3PROEVO-A
MS3PROEVO
1High current out 1
2High current out 2
3Injector out J
4Injector out I
5High current out 3
6CKP+
7Knock In 2
85V+ VREF out
9TPS in
10MAT in
11CLT in
12Analog In 6
13Logic Ground
14PWM / Idle Out 1
15CKP−
17Analog In 7
18Sensor return
19Analog in 1
20Analog in 2
21Analog in 3
22Analog In 4
23Analog In 5
24Tach out
25O2 in
26CMP+
27CMP−
28Fuel pump relay out
29PWM out 2
30PWM out 3
31Knock in 1
32Digital switched in 1
3512V+ switched power in
OEM-A-9 Front secondary O2 heater (FSO2SHTC)
OEM-A-17 EVAP bypass solenoid (2WBS)
OEM-A-1 Injector 1 (INJ1)
OEM-A-2 Injector 2 (INJ2)
OEM-A-20 IAB control solenoid (IABCS)
OEM-B-8 Crank position sensor 1 + (CKP 1P)
OEM-D-2 Knock sensor rear (KSR)
5V ref
OEM-F-13 Accelerator pedal position 1 (AP1)
OEM-D-8 Intake air temperature (IAT)
OEM-D-7 Engine coolant temperature (ECT)
OEM-D-19 Rear primary O2 signal (O2S RP)
0V sensor
OEM-F-19 VTEC solenoid front (VT SOLF)
SP-0V · 9 pins
OEM-D-20 EGR valve lift sensor (EGRL)
0V sensor
OEM-D-9 MAP sensor
OEM-F-12 Accelerator pedal position 2 (AP2)
OEM-D-12 Throttle position sensor (TPS)
OEM-D-17 Rear secondary O2 signal (O2S RS)
OEM-D-18 Front primary O2 signal (O2S FP)
OEM-C-8 Engine speed pulse (NEP)
OEM-D-16 Front secondary O2 signal (O2S FS)
OEM-B-6 Cylinder position sensor 1 + (CYP 1P)
SP-0V · 9 pins
OEM-A-5 Fuel pump relay (FLR1)
OEM-F-4 Fuel pump relay 2 (FLR2)
OEM-A-10 Rear secondary O2 heater (RSO2SHTC)
OEM-D-13 Knock sensor front (KSF)
OEM-F-16 Brake switch 1 (BKSW1)
12V+ switched power in
MS3PROEVO-B
MS3PROEVO
1Injector out A
2Injector out B
3Ground
4Injector out C
5Ground
6Injector out D
7Ground
8Injector out E
9Ground
10Injector out F
11Injector out G
12Injector out H
13Spark out G
14Spark out E
15Spark out C
16Spark out H
17Digital frequency in 2 (Hall)
20Digital switched in 2
21Digital frequency in 3 (unconditioned)
22Digital Frequency in 3 (VR+)
24Spark out F
25Spark out B
28Digital frequency in 1 (unconditioned)
29Digital switched in 3
34Digital Frequency in 1 (VR+)
35Digital Frequency in 1 (VR−)
OEM-A-3 Injector 3 (INJ3)
OEM-A-21 EVAP purge control solenoid (PCS)
GND
OEM-A-4 EVAP canister vent shut valve (VSV)
GND
OEM-A-6 EGR control solenoid (ESOL)
GND
OEM-A-7 Malfunction indicator lamp (MIL)
GND
OEM-A-14 Injector 4 (INJ4)
OEM-A-15 Injector 5 (INJ5)
OEM-A-16 Injector 6 (INJ6)
OEM-A-11 Ignition coil 1 (IGN COIL1)
OEM-A-24 Ignition coil 2 (IGN COIL2)
OEM-B-12 Ignition coil 3 (IGN COIL3)
OEM-B-11 Ignition coil 4 (IGN COIL4)
OEM-C-7 Vehicle speed sensor (VSS)
OEM-F-6 Brake switch 2 (BKSW2)
OEM-C-4 Clutch switch (MTCLS, M/T)
OEM-C-6 Starter switch (STS)
OEM-B-10 Ignition coil 5 (IGN COIL5)
OEM-B-2 Ignition coil 6 (IGN COIL6)
OEM-B-5 Cylinder position sensor 2 + (CYP 2P)
OEM-B-1 VTEC pressure switch front (VTP SWF)
OEM-B-7 Crank position sensor 2 + (CKP 2P)
SP-0V · 9 pins
MS3PROEVO-C
MS3PROEVO
1PWM out 5
2PWM out 4
3Digital out 2
4Digital out 1
10Digital switched in 5
11Digital switched in 4
155V+ VREF out 2
17Sensor return
18Sensor return
19Sensor return
20Sensor return
21Sensor return
225V+ VREF out 1
OEM-A-23 Rear primary O2 heater (RPO2SHTC)
OEM-A-22 Front primary O2 heater (FPO2SHTC)
OEM-A-8 A/C clutch relay (ACC)
OEM-F-20 VTEC solenoid rear (VT SOLR)
OEM-B-4 Neutral switch (NT SW, M/T)
OEM-B-3 VTEC pressure switch rear (VTP SWR)
5V ref
0V sensor
0V sensor
0V sensor
0V sensor
0V sensor
5V ref
SP-GND · 9 pins
SP-0V · 20 pins
SP-14V · 8 pins
Press enter or space to select a node. You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.
Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.
90 / 90 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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