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
ECU power +14V (main relay)
MS3PROEVO-B-19 Digital switched 12V in
MS3PROEVO-C-4 Digital out 1
MS3PROEVO-B-13 Spark out G
MS3PROEVO-B-14 Spark out E
MS3PROEVO-A-28 Fuel pump relay out
MS3PROEVO-A-32 Digital switched in 1
MS3PROEVO-B-20 Digital switched in 2
MS3PROEVO-B-29 Digital switched in 3
MS3PROEVO-C-11 Digital switched in 4
MS3PROEVO-C-10 Digital switched in 5
MS3PROEVO-A-14 PWM / Idle Out 1
MS3PROEVO-B-28 Digital frequency in 1 (unconditioned)
MS3PROEVO-B-34 Digital Frequency in 1 (VR+)
MS3PROEVO-B-35 Digital Frequency in 1 (VR−)
OEM-1
Stock ECU being replaced
BECU power +14V (main relay)
CIgnition on (+12V)
EMalfunction indicator lamp (MIL)
GIgnition 1 (coils 1+4, wasted spark)
HIgnition 2 (coils 2+3, wasted spark)
JA/C relay
KDiagnostic mode switch (TEN)
NWide-open throttle switch
OStop light switch
PPower steering pressure switch
QA/C thermo switch
RA/C extra cooling fan relay
SHeater control switch (A/C request)
UTail fuse / TNS (parking lamp +12V)
VNeutral/clutch switch
GND
GND
0V sensor
0V sensor
MS3PROEVO-A-6 CKP+
F no data
MS3PROEVO-A-26 CMP+
MS3PROEVO-A-24 Tach out
5V ref
MS3PROEVO-B-17 Digital frequency in 2 (Hall)
MS3PROEVO-A-9 TPS in
MS3PROEVO-A-25 O2 in
MS3PROEVO-A-19 Analog in 1
MS3PROEVO-A-10 MAT in
MS3PROEVO-A-11 CLT in
MS3PROEVO-A-3 Injector out J
MS3PROEVO-A-4 Injector out I
MS3PROEVO-A-29 PWM out 2
MS3PROEVO-C-3 Digital out 2
MS3PROEVO-B-1 Injector out A
MS3PROEVO-B-10 Injector out F
OEM-2
Stock ECU being replaced
APower ground
BPower ground
CSensor ground (E2)
DSensor ground (E2)
ECrank position (CAS NE)
F no data
GCam position (CAS G)
ITachometer output
K+5V sensor supply
LIdle switch (TPS)
MTPS signal (A/T)
NO2 sensor
OAir flow meter (AFM)
PIntake air temperature (IAT)
QCoolant temperature (ECT)
UInjector 1 & 3 (batch)
VInjector 2 & 4 (batch)
WIdle speed control (ISC) valve
XPurge solenoid valve
YInjector 3 (California sequential)
ZInjector 4 (California sequential)
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
24Tach out
25O2 in
26CMP+
27CMP−
28Fuel pump relay out
29PWM out 2
32Digital switched in 1
3512V+ switched power in
OEM-2-U Injector 1 & 3 (batch)
OEM-2-V Injector 2 & 4 (batch)
OEM-2-E Crank position (CAS NE)
5V ref
OEM-2-M TPS signal (A/T)
OEM-2-P Intake air temperature (IAT)
OEM-2-Q Coolant temperature (ECT)
0V sensor
OEM-1-R A/C extra cooling fan relay
SP-0V · 2 pins
0V sensor
OEM-2-O Air flow meter (AFM)
OEM-2-I Tachometer output
OEM-2-N O2 sensor
OEM-2-G Cam position (CAS G)
SP-0V · 2 pins
OEM-1-J A/C relay
OEM-2-W Idle speed control (ISC) valve
OEM-1-K Diagnostic mode switch (TEN)
12V+ switched power in
MS3PROEVO-B
MS3PROEVO
1Injector out A
3Ground
5Ground
7Ground
9Ground
10Injector out F
13Spark out G
14Spark out E
17Digital frequency in 2 (Hall)
19Digital switched 12V in
20Digital switched in 2
28Digital frequency in 1 (unconditioned)
29Digital switched in 3
34Digital Frequency in 1 (VR+)
35Digital Frequency in 1 (VR−)
OEM-2-Y Injector 3 (California sequential)
GND
GND
GND
GND
OEM-2-Z Injector 4 (California sequential)
OEM-1-G Ignition 1 (coils 1+4, wasted spark)
OEM-1-H Ignition 2 (coils 2+3, wasted spark)
OEM-2-L Idle switch (TPS)
OEM-1-C Ignition on (+12V)
OEM-1-N Wide-open throttle switch
OEM-1-S Heater control switch (A/C request)
OEM-1-O Stop light switch
OEM-1-U Tail fuse / TNS (parking lamp +12V)
OEM-1-V Neutral/clutch switch
MS3PROEVO-C
MS3PROEVO
3Digital out 2
4Digital out 1
10Digital switched in 5
11Digital switched in 4
17Sensor return
18Sensor return
19Sensor return
20Sensor return
21Sensor return
OEM-2-X Purge solenoid valve
OEM-1-E Malfunction indicator lamp (MIL)
OEM-1-Q A/C thermo switch
OEM-1-P Power steering pressure switch
0V sensor
0V sensor
0V sensor
0V sensor
0V sensor
SP-14V · 3 pins
SP-GND · 7 pins
SP-0V · 12 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.
49 / 49 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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