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
MAXXECUMINI-C1-G1 GPO 2
MAXXECUMINI-C1-B2 DIN 2 (Hall only)
MAXXECUMINI-C1-E1 GPO 3
MAXXECUMINI-C1-B1 DIN 1 (Hall only)
MAXXECUMINI-C1-D1 GPO 8/TACHO
OEM-1
Stock ECU being replaced
ACooling fan relay (low-side)
BA/C condenser fan relay
CStarter input (12V while cranking)
GA/C clutch relay
MVehicle speed sensor (VSS)
UFuel pump relay (low-side)
MAXXECUMINI-C1-C3 AIN 3 (0-5V)
MAXXECUMINI-C1-D2 TPS
MAXXECUMINI-C1-C1 CLT
MAXXECUMINI-C1-C4 AIN 4 (0-5V)
5V ref
MAXXECUMINI-C1-C2 IAT
0V sensor
OEM-3
Stock ECU being replaced
BMAF sensor input
FThrottle position (TPS)
GEngine coolant temp (CLT)
HEGR boost sensor
I+5V sensor reference
KIntake air temp (IAT)
OSensor ground
GND
ECU power +12V (main relay)
GND
GND
MAXXECUMINI-C1-A1 TRIGGER
0V sensor
GND
MAXXECUMINI-C1-F1 IGN 1
MAXXECUMINI-C1-F2 IGN 2
MAXXECUMINI-C1-G3 INJ 1
MAXXECUMINI-C1-H1 INJ 2
MAXXECUMINI-C1-H2 INJ 3
MAXXECUMINI-C1-H3 INJ 4
OEM-4
Stock ECU being replaced
AChassis ground
BECU power +12V (main relay)
CChassis ground
DChassis ground
ECrank position (CKP) sensor
HCrank pickup timing ground (CKP gnd)
KChassis ground
NIgnition coil trigger (cyl 1&4)
RIgnition coil trigger (cyl 2&3)
UInjector 1 (cyl 1)
VInjector 2 (cyl 2)
WInjector 3 (cyl 3)
XInjector 4 (cyl 4)
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
G1GPO 2
G2GPO 1
G3INJ 1
G4ENGINE GND
H1INJ 2
H2INJ 3
H3INJ 4
H4+12V (ECU power supply)
OEM-4-E Crank position (CKP) sensor
0V sensor
OEM-1-M Vehicle speed sensor (VSS)
OEM-1-C Starter input (12V while cranking)
0V sensor
0V sensor
OEM-3-G Engine coolant temp (CLT)
OEM-3-K Intake air temp (IAT)
OEM-3-B MAF sensor input
OEM-3-H EGR boost sensor
OEM-1-U Fuel pump relay (low-side)
OEM-3-F Throttle position (TPS)
0V sensor
OEM-1-G A/C clutch relay
5V ref
OEM-4-N Ignition coil trigger (cyl 1&4)
OEM-4-R Ignition coil trigger (cyl 2&3)
OEM-1-B A/C condenser fan relay
OEM-1-A Cooling fan relay (low-side)
OEM-4-U Injector 1 (cyl 1)
GND
OEM-4-V Injector 2 (cyl 2)
OEM-4-W Injector 3 (cyl 3)
OEM-4-X Injector 4 (cyl 4)
+12V (ECU power supply)
SP-0V · 7 pins
SP-GND · 6 pins
SP-14V · 3 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.
32 / 32 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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