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
G4XMONSOONX-A-A21 Aux 1
GND
G4XMONSOONX-A-A4 Injector 1
G4XMONSOONX-A-A3 Injector 2
0V sensor
G4XMONSOONX-A-A2 Injector 3
0V sensor
G4XMONSOONX-A-A1 Injector 4
GND
GND
OEM-A
Stock ECU being replaced
1HCooling fan relay (low speed)
1LPower ground
1QInjector 1 (front primary)
1UInjector 2 (rear primary)
1XSensor ground
1YInjector 3 (front secondary)
1ABSensor ground
1ACInjector 4 (rear secondary)
1AFPower ground
1AJPower ground
OEM-B
Stock ECU being replaced
5V ref
G4XMONSOONX-A-A33 Analog Volt 3
G4XMONSOONX-A-A22 Analog Volt 2
G4XMONSOONX-A-A6 Knock 1 / Digital Input 4
G4XMONSOONX-A-A8 Trigger 1
0V sensor
G4XMONSOONX-A-A16 Analog Temp 2
G4XMONSOONX-A-A9 Trigger 2
G4XMONSOONX-A-A14 Analog Volt 4
G4XMONSOONX-A-A15 Analog Temp 1
0V sensor
OEM-C
Stock ECU being replaced
3A+5V sensor supply
3DO2 sensor (narrowband)
3IThrottle position (TPS, full range)
3OKnock sensor
3RCrank position (CAS NE)
3SSensor ground (CAS)
3TIntake air temperature (IAT)
3UHome position (CAS G)
3VFuel temperature
3WCoolant temperature (ECT)
3ABSensor ground
ECU main power (+12V via main relay/ECR)
G4XMONSOONX-A-A20 Aux 2
ECU main power (+12V via main relay/ECR)
G4XMONSOONX-A-A19 Aux 3
G4XMONSOONX-A-A18 Aux 4
G4XMONSOONX-A-A27 Aux 5
G4XMONSOONX-A-A26 Aux 6
G4XMONSOONX-A-A30 Digital Input 1
G4XMONSOONX-A-A23 Digital Input 3
G4XMONSOONX-A-A31 Digital Input 2
G4XMONSOONX-A-A13 Ignition 1
G4XMONSOONX-A-A17 Analog Volt 1
G4XMONSOONX-A-A12 Ignition 2
G4XMONSOONX-A-A11 Ignition 3
OEM-D
Stock ECU being replaced
4AECU main power (+12V via main relay/ECR)
4DAir pump clutch relay
4EECU main power (+12V via main relay/ECR)
4FFuel pump speed relay
4GFuel pump relay
4IA/C relay
4KCooling fan relay (low speed)
4QVehicle speed sensor
4SClutch switch
4AABrake pedal switch
4AFIgnition front trailing
4AHMAP sensor (PIM)
4AJIgnition rear trailing
4ANIgnition leading (wasted spark)
G4XMONSOONX
G4XMONSOONX-A
G4XMONSOONX
A1Injector 4
A2Injector 3
A3Injector 2
A4Injector 1
A5+14V ECU Power
A6Knock 1 / Digital Input 4
A8Trigger 1
A9Trigger 2
A11Ignition 3
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-A-1AC Injector 4 (rear secondary)
OEM-A-1Y Injector 3 (front secondary)
OEM-A-1U Injector 2 (rear primary)
OEM-A-1Q Injector 1 (front primary)
+14V ECU Power
OEM-C-3O Knock sensor
OEM-C-3R Crank position (CAS NE)
OEM-C-3U Home position (CAS G)
OEM-D-4AN Ignition leading (wasted spark)
OEM-D-4AJ Ignition rear trailing
OEM-D-4AF Ignition front trailing
OEM-C-3V Fuel temperature
OEM-C-3W Coolant temperature (ECT)
OEM-C-3T Intake air temperature (IAT)
OEM-D-4AH MAP sensor (PIM)
OEM-D-4G Fuel pump relay
OEM-D-4F Fuel pump speed relay
OEM-D-4D Air pump clutch relay
OEM-A-1H Cooling fan relay (low speed)
OEM-C-3I Throttle position (TPS, full range)
OEM-D-4S Clutch switch
0V sensor
GND
OEM-D-4K Cooling fan relay (low speed)
OEM-D-4I A/C relay
OEM-D-4Q Vehicle speed sensor
OEM-D-4AA Brake pedal switch
5V ref
OEM-C-3D O2 sensor (narrowband)
GND
SP-GND · 6 pins
SP-0V · 6 pins
SP-14V · 4 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.
39 / 39 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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