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
GND
MS3PROEVO-B-12 Injector out H
MS3PROEVO-A-4 Injector out I
MS3PROEVO-B-10 Injector out F
MS3PROEVO-A-30 PWM out 3
MS3PROEVO-A-14 PWM / Idle Out 1
GND
MS3PROEVO-B-13 Spark out G
MS3PROEVO-C-4 Digital out 1
GND
MS3PROEVO-A-11 CLT in
MS3PROEVO-A-10 MAT in
0V sensor
MS3PROEVO-A-19 Analog in 1
MS3PROEVO-A-25 O2 in
MS3PROEVO-A-24 Tach out
ECU main power (from engine-electronics relay)
MS3PROEVO-A-3 Injector out J
MS3PROEVO-B-11 Injector out G
MS3PROEVO-B-1 Injector out A
MS3PROEVO-A-29 PWM out 2
MS3PROEVO-C-3 Digital out 2
0V sensor
MS3PROEVO-A-31 Knock in 1
MS3PROEVO-A-20 Analog in 2
MS3PROEVO-A-32 Digital switched in 1
MS3PROEVO-B-19 Digital switched 12V in
MS3PROEVO-B-20 Digital switched in 2
MS3PROEVO-A-9 TPS in
5V ref
MS3PROEVO-A-26 CMP+
MS3PROEVO-A-28 Fuel pump relay out
MS3PROEVO-C-1 PWM out 5
MS3PROEVO-B-15 Spark out C
MS3PROEVO-C-2 PWM out 4
GND
GND
MS3PROEVO-B-14 Spark out E
MS3PROEVO-B-28 Digital frequency in 1 (unconditioned)
0V sensor
MS3PROEVO-A-6 CKP+
OEM-A
Stock ECU being replaced
1Ground (E-1)
2Injector 6 (cyl 6)
3Injector 2 (cyl 2)
4Injector 4 (cyl 4)
5Check engine light (MIL)
6Fuel pump relay control
7Ground (E-2)
8Ignition coil 2 (coil pack pin 2)
9Engine electronics relay control
10Ground (OBD1 EGR enable)
14Coolant temperature (CLT)
15EGR temperature sensor
16MAF ground
17MAF signal
20O2 sensor 1 (primary)
22Tachometer output
23ECU main power (from engine-electronics relay)
24Injector 1 (cyl 1)
25Injector 5 (cyl 5)
26Injector 3 (cyl 3)
27Idle air control valve
31EVAP canister purge valve
33Sensor ground bus
34Knock sensor 1
36Intake air temperature (IAT)
37A/C compressor switch
38Ignition switch (run/start)
39A/C switch (cabin)
40Throttle position sensor 1
41TPS power (+5V)
44Camshaft position sensor (G40)
49Secondary air injection relay control
51MFA fuel-consumption signal
52Ignition coil 4 (coil pack pin 4)
53Idle air control valve (2nd)
55Ground (E-3)
56Ground (E-4)
60Ignition coil 3 (coil pack pin 3)
65Vehicle speed sensor (VSS)
67Crank sensor return (VR-)
68Crank position sensor (G28, VR+)
MS3PROEVO
MS3PROEVO-A
MS3PROEVO
3Injector out J
4Injector out I
6CKP+
85V+ VREF out
9TPS in
10MAT in
11CLT in
13Logic Ground
14PWM / Idle Out 1
15CKP−
18Sensor return
19Analog in 1
20Analog in 2
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-24 Injector 1 (cyl 1)
OEM-A-3 Injector 2 (cyl 2)
OEM-A-68 Crank position sensor (G28, VR+)
5V ref
OEM-A-40 Throttle position sensor 1
OEM-A-15 EGR temperature sensor
OEM-A-14 Coolant temperature (CLT)
0V sensor
OEM-A-6 Fuel pump relay control
SP-0V · 3 pins
0V sensor
OEM-A-17 MAF signal
OEM-A-36 Intake air temperature (IAT)
OEM-A-22 Tachometer output
OEM-A-20 O2 sensor 1 (primary)
OEM-A-44 Camshaft position sensor (G40)
SP-0V · 3 pins
OEM-A-49 Secondary air injection relay control
OEM-A-27 Idle air control valve
OEM-A-5 Check engine light (MIL)
OEM-A-34 Knock sensor 1
OEM-A-37 A/C compressor switch
12V+ switched power in
MS3PROEVO-B
MS3PROEVO
1Injector out A
3Ground
5Ground
7Ground
9Ground
10Injector out F
11Injector out G
12Injector out H
13Spark out G
14Spark out E
15Spark out C
19Digital switched 12V in
20Digital switched in 2
28Digital frequency in 1 (unconditioned)
OEM-A-26 Injector 3 (cyl 3)
GND
GND
GND
GND
OEM-A-4 Injector 4 (cyl 4)
OEM-A-25 Injector 5 (cyl 5)
OEM-A-2 Injector 6 (cyl 6)
OEM-A-8 Ignition coil 2 (coil pack pin 2)
OEM-A-60 Ignition coil 3 (coil pack pin 3)
OEM-A-52 Ignition coil 4 (coil pack pin 4)
OEM-A-38 Ignition switch (run/start)
OEM-A-39 A/C switch (cabin)
OEM-A-65 Vehicle speed sensor (VSS)
MS3PROEVO-C
MS3PROEVO
1PWM out 5
2PWM out 4
3Digital out 2
4Digital out 1
17Sensor return
18Sensor return
19Sensor return
20Sensor return
21Sensor return
OEM-A-51 MFA fuel-consumption signal
OEM-A-53 Idle air control valve (2nd)
OEM-A-31 EVAP canister purge valve
OEM-A-9 Engine electronics relay control
0V sensor
0V sensor
0V sensor
0V sensor
0V sensor
SP-14V · 3 pins
SP-GND · 10 pins
SP-0V · 13 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.
55 / 55 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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