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
MAXXECUPRO-C1-A4 GPO 8/TACHO
MAXXECUPRO-C4-G1 GPO 23
MAXXECUPRO-C4-G2 GPO 24
MAXXECUPRO-C1-B4 GPO 1
MAXXECUPRO-C4-G3 GPO 25
MAXXECUPRO-C4-G4 GPO 26
GND
MAXXECUPRO-C4-H1 GPO 27
MAXXECUPRO-C4-H2 GPO 28
MAXXECUPRO-C1-K1 INJ 1
MAXXECUPRO-C3-M2 GPO 13/MOTOR 2 +
MAXXECUPRO-C1-K2 INJ 2
MAXXECUPRO-C3-M3 GPO 14/MOTOR 2 -
0V sensor
MAXXECUPRO-C1-M1 INJ 3
MAXXECUPRO-C3-L3 GPO 11/MOTOR 1 -
0V sensor
MAXXECUPRO-C1-M2 INJ 4
MAXXECUPRO-C3-L2 GPO 12/MOTOR 1 +
GND
GND
OEM-A
Stock ECU being replaced
1CIdle speed control (ISC) solenoid
1ETurbo charge control solenoid
1GPurge solenoid
1HCooling fan relay (low speed)
1ITurbo charge relief solenoid
1KTurbo pre-control solenoid
1LPower ground
1MTurbo control solenoid
1OBoost control solenoid
1QInjector 1 (front primary)
1SOMP stepper phase B2
1UInjector 2 (rear primary)
1WOMP stepper phase A2
1XSensor ground
1YInjector 3 (front secondary)
1AAOMP stepper phase B1
1ABSensor ground
1ACInjector 4 (rear secondary)
1AEOMP stepper phase A1
1AFPower ground
1AJPower ground
OEM-B
Stock ECU being replaced
5V ref
MAXXECUPRO-C1-J4 AIN 4 (0-5V)
MAXXECUPRO-C4-H3 GPO 29
MAXXECUPRO-C3-C3 ANALOG IN 5 (0-5V)
MAXXECUPRO-C1-G2 TPS/AIN
MAXXECUPRO-C4-F2 Knock 1
MAXXECUPRO-C1-H3 TRIGGER
0V sensor
MAXXECUPRO-C1-J2 AIN 2 (temperature)
MAXXECUPRO-C1-H4 HOME
MAXXECUPRO-C4-C3 AIN 19 (temp)
MAXXECUPRO-C1-J1 AIN 1 (temperature)
0V sensor
OEM-C
Stock ECU being replaced
3A+5V sensor supply
3DO2 sensor (narrowband)
3GFuel pressure regulator control (PRC) solenoid
3HOMP position sensor
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)
MAXXECUPRO-C3-K3 KEY IN 12V
MAXXECUPRO-C1-C4 GPO 2
ECU main power (+12V via main relay/ECR)
MAXXECUPRO-C1-D4 GPO 3
MAXXECUPRO-C1-E4 GPO 4
MAXXECUPRO-C1-A1 GPO 5
MAXXECUPRO-C1-B1 GPO 6
MAXXECUPRO-C1-C1 GPO 7
MAXXECUPRO-C4-H4 GPO 30
MAXXECUPRO-C1-K3 DIN/VR 1
MAXXECUPRO-C3-A4 DIN 7 (SWITCH)
MAXXECUPRO-C1-K4 DIN/VR 2
MAXXECUPRO-C4-D3 DIN 8 (switch)
MAXXECUPRO-C3-A3 DIN 6 (SWITCH)
MAXXECUPRO-C1-A2 IGN 1
MAXXECUPRO-C1-J3 AIN 3 (0-5V)
MAXXECUPRO-C1-A3 IGN 2
MAXXECUPRO-C1-B2 IGN 3
OEM-D
Stock ECU being replaced
4AECU main power (+12V via main relay/ECR)
4CIgnition switch / start signal
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)
4LCooling fan relay (high speed)
4MTachometer output
4QVehicle speed sensor
4SClutch switch
4VA/C request
4WPower steering pressure switch
4AABrake pedal switch
4AFIgnition front trailing
4AHMAP sensor (PIM)
4AJIgnition rear trailing
4ANIgnition leading (wasted spark)
MAXXECUPRO
MAXXECUPRO-C1
MAXXECUPRO
A1GPO 5
A2IGN 1
A3IGN 2
A4GPO 8/TACHO
B1GPO 6
B2IGN 3
B4GPO 1
C1GPO 7
C4GPO 2
D4GPO 3
E4GPO 4
G1+5V sensor supply
G2TPS/AIN
H1Sensor GND
H2Trigger GND
H3TRIGGER
H4HOME
J1AIN 1 (temperature)
J2AIN 2 (temperature)
J3AIN 3 (0-5V)
J4AIN 4 (0-5V)
K1INJ 1
K2INJ 2
K3DIN/VR 1
K4DIN/VR 2
L4Engine GND
M1INJ 3
M2INJ 4
M4+12V ECU power supply
OEM-D-4I A/C relay
OEM-D-4AF Ignition front trailing
OEM-D-4AJ Ignition rear trailing
OEM-A-1C Idle speed control (ISC) solenoid
OEM-D-4K Cooling fan relay (low speed)
OEM-D-4AN Ignition leading (wasted spark)
OEM-A-1H Cooling fan relay (low speed)
OEM-D-4L Cooling fan relay (high speed)
OEM-D-4D Air pump clutch relay
OEM-D-4F Fuel pump speed relay
OEM-D-4G Fuel pump relay
5V ref
OEM-C-3I Throttle position (TPS, full range)
0V sensor
0V sensor
OEM-C-3R Crank position (CAS NE)
OEM-C-3U Home position (CAS G)
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-A-1Q Injector 1 (front primary)
OEM-A-1U Injector 2 (rear primary)
OEM-D-4Q Vehicle speed sensor
OEM-D-4V A/C request
GND
OEM-A-1Y Injector 3 (front secondary)
OEM-A-1AC Injector 4 (rear secondary)
+12V ECU power supply
MAXXECUPRO-C2
MAXXECUPRO
H1Engine ground 3
H2Engine ground 3
H3Engine ground 3
GND
GND
GND
MAXXECUPRO-C3
MAXXECUPRO
A3DIN 6 (SWITCH)
A4DIN 7 (SWITCH)
C3ANALOG IN 5 (0-5V)
J2SENSOR GND
J3SENSOR GND
K3KEY IN 12V
L2GPO 12/MOTOR 1 +
L3GPO 11/MOTOR 1 -
L4ENGINE GROUND 2
M2GPO 13/MOTOR 2 +
M3GPO 14/MOTOR 2 -
M412V ECU 2
OEM-D-4AA Brake pedal switch
OEM-D-4S Clutch switch
OEM-C-3H OMP position sensor
0V sensor
0V sensor
OEM-D-4C Ignition switch / start signal
OEM-A-1AE OMP stepper phase A1
OEM-A-1AA OMP stepper phase B1
GND
OEM-A-1S OMP stepper phase B2
OEM-A-1W OMP stepper phase A2
12V ECU 2
MAXXECUPRO-C4
MAXXECUPRO
C3AIN 19 (temp)
D3DIN 8 (switch)
F2Knock 1
G1GPO 23
G2GPO 24
G3GPO 25
G4GPO 26
H1GPO 27
H2GPO 28
H3GPO 29
H4GPO 30
OEM-C-3V Fuel temperature
OEM-D-4W Power steering pressure switch
OEM-C-3O Knock sensor
OEM-A-1E Turbo charge control solenoid
OEM-A-1G Purge solenoid
OEM-A-1I Turbo charge relief solenoid
OEM-A-1K Turbo pre-control solenoid
OEM-A-1M Turbo control solenoid
OEM-A-1O Boost control solenoid
OEM-C-3G Fuel pressure regulator control (PRC) solenoid
OEM-D-4M Tachometer output
SP-0V · 9 pins
SP-GND · 9 pins
SP-14V · 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.
64 / 64 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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