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)
G4XMONSOONX-A-A30 Digital Input 1
G4XMONSOONX-A-A19 Aux 3
G4XMONSOONX-A-A13 Ignition 1
G4XMONSOONX-A-A12 Ignition 2
G4XMONSOONX-A-A21 Aux 1
G4XMONSOONX-A-A31 Digital Input 2
G4XMONSOONX-A-A23 Digital Input 3
G4XMONSOONX-A-A14 Analog Volt 4
G4XMONSOONX-A-A20 Aux 2
OEM-1
Stock ECU being replaced
BECU power +14V (main relay)
CStart signal
EMalfunction indicator lamp (MIL)
GIgnition 1 (coils 1+4, wasted spark)
HIgnition 2 (coils 2+3, wasted spark)
JA/C relay
NWide-open throttle switch
PPower steering pressure switch
QA/C request
RA/C extra cooling fan relay
GND
GND
0V sensor
0V sensor
G4XMONSOONX-A-A8 Trigger 1
F no data
G4XMONSOONX-A-A9 Trigger 2
G4XMONSOONX-A-A26 Aux 6
5V ref
G4XMONSOONX-A-A22 Analog Volt 2
G4XMONSOONX-A-A33 Analog Volt 3
G4XMONSOONX-A-A17 Analog Volt 1
G4XMONSOONX-A-A16 Analog Temp 2
G4XMONSOONX-A-A15 Analog Temp 1
G4XMONSOONX-A-A4 Injector 1
G4XMONSOONX-A-A3 Injector 2
G4XMONSOONX-A-A18 Aux 4
G4XMONSOONX-A-A27 Aux 5
G4XMONSOONX-A-A2 Injector 3
G4XMONSOONX-A-A1 Injector 4
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
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)
G4XMONSOONX
G4XMONSOONX-A
G4XMONSOONX
A1Injector 4
A2Injector 3
A3Injector 2
A4Injector 1
A5+14V ECU Power
A8Trigger 1
A9Trigger 2
A12Ignition 2
A13Ignition 1
A14Analog Volt 4
A15Analog Temp 1
A16Analog Temp 2
A17Analog Volt 1
A18Aux 4
A19Aux 3
A20Aux 2
A21Aux 1
A22Analog Volt 2
A23Digital Input 3
A24Sensor Ground
A25System Ground
A26Aux 6
A27Aux 5
A30Digital Input 1
A31Digital Input 2
A32+5V Out
A33Analog Volt 3
A34System Ground
OEM-2-Z Injector 4 (California sequential)
OEM-2-Y Injector 3 (California sequential)
OEM-2-V Injector 2 & 4 (batch)
OEM-2-U Injector 1 & 3 (batch)
+14V ECU Power
OEM-2-E Crank position (CAS NE)
OEM-2-G Cam position (CAS G)
OEM-1-H Ignition 2 (coils 2+3, wasted spark)
OEM-1-G Ignition 1 (coils 1+4, wasted spark)
OEM-1-Q A/C request
OEM-2-Q Coolant temperature (ECT)
OEM-2-P Intake air temperature (IAT)
OEM-2-O Air flow meter (AFM)
OEM-2-W Idle speed control (ISC) valve
OEM-1-E Malfunction indicator lamp (MIL)
OEM-1-R A/C extra cooling fan relay
OEM-1-J A/C relay
OEM-2-M TPS signal (A/T)
OEM-1-P Power steering pressure switch
0V sensor
GND
OEM-2-I Tachometer output
OEM-2-X Purge solenoid valve
OEM-1-C Start signal
OEM-1-N Wide-open throttle switch
5V ref
OEM-2-N O2 sensor
GND
SP-14V · 3 pins
SP-0V · 4 pins
SP-GND · 5 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.
33 / 33 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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