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
MAXXECUMINI-C1-G2 GPO 1
GND
MAXXECUMINI-C1-G3 INJ 1
MAXXECUMINI-C1-H1 INJ 2
0V sensor
MAXXECUMINI-C1-H2 INJ 3
0V sensor
MAXXECUMINI-C1-H3 INJ 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
MAXXECUMINI-C1-C4 AIN 4 (0-5V)
MAXXECUMINI-C1-D2 TPS
MAXXECUMINI-C1-A1 TRIGGER
0V sensor
MAXXECUMINI-C1-C2 IAT
MAXXECUMINI-C1-C1 CLT
0V sensor
OEM-C
Stock ECU being replaced
3A+5V sensor supply
3DO2 sensor (narrowband)
3IThrottle position (TPS, full range)
3RCrank position (CAS NE)
3SSensor ground (CAS)
3TIntake air temperature (IAT)
3WCoolant temperature (ECT)
3ABSensor ground
ECU main power (+12V via main relay/ECR)
MAXXECUMINI-C1-G1 GPO 2
ECU main power (+12V via main relay/ECR)
MAXXECUMINI-C1-E1 GPO 3
MAXXECUMINI-C1-D1 GPO 8/TACHO
MAXXECUMINI-C1-B1 DIN 1 (Hall only)
MAXXECUMINI-C1-B2 DIN 2 (Hall only)
MAXXECUMINI-C1-F1 IGN 1
MAXXECUMINI-C1-C3 AIN 3 (0-5V)
MAXXECUMINI-C1-F2 IGN 2
MAXXECUMINI-C1-F3 IGN 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
4QVehicle speed sensor
4AABrake pedal switch
4AFIgnition front trailing
4AHMAP sensor (PIM)
4AJIgnition rear trailing
4ANIgnition leading (wasted spark)
MAXXECUMINI
MAXXECUMINI-C1
MAXXECUMINI
A1TRIGGER
A2TRIGGER GND
B1DIN 1 (Hall only)
B2DIN 2 (Hall only)
B3SENSOR GND
B4SENSOR GND
C1CLT
C2IAT
C3AIN 3 (0-5V)
C4AIN 4 (0-5V)
D1GPO 8/TACHO
D2TPS
D4SENSOR GND
E1GPO 3
E2+5V sensor supply
F1IGN 1
F2IGN 2
F3IGN 3
G1GPO 2
G2GPO 1
G3INJ 1
G4ENGINE GND
H1INJ 2
H2INJ 3
H3INJ 4
H4+12V (ECU power supply)
OEM-C-3R Crank position (CAS NE)
0V sensor
OEM-D-4Q Vehicle speed sensor
OEM-D-4AA Brake pedal switch
0V sensor
0V sensor
OEM-C-3W Coolant temperature (ECT)
OEM-C-3T Intake air temperature (IAT)
OEM-D-4AH MAP sensor (PIM)
OEM-C-3D O2 sensor (narrowband)
OEM-D-4G Fuel pump relay
OEM-C-3I Throttle position (TPS, full range)
0V sensor
OEM-D-4F Fuel pump speed relay
5V ref
OEM-D-4AF Ignition front trailing
OEM-D-4AJ Ignition rear trailing
OEM-D-4AN Ignition leading (wasted spark)
OEM-D-4D Air pump clutch relay
OEM-A-1H Cooling fan relay (low speed)
OEM-A-1Q Injector 1 (front primary)
GND
OEM-A-1U Injector 2 (rear primary)
OEM-A-1Y Injector 3 (front secondary)
OEM-A-1AC Injector 4 (rear secondary)
+12V (ECU power supply)
SP-GND · 5 pins
SP-0V · 9 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.
35 / 35 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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