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-D1 GPO 8/TACHO
MAXXECUMINI-C1-G3 INJ 1
MAXXECUMINI-C1-H1 INJ 2
MAXXECUMINI-C1-H3 INJ 4
GND
MAXXECUMINI-C1-C4 AIN 4 (0-5V)
GND
MAXXECUMINI-C1-A1 TRIGGER
MAXXECUMINI-C1-F4 IGN 4
MAXXECUMINI-C1-G1 GPO 2
0V sensor
MAXXECUMINI-C1-H2 INJ 3
MAXXECUMINI-C1-H1 INJ 2
MAXXECUMINI-C1-G3 INJ 1
GND
MAXXECUMINI-C1-E1 GPO 3
0V sensor
MAXXECUMINI-C1-C3 AIN 3 (0-5V)
MAXXECUMINI-C1-B1 DIN 1 (Hall only)
0V sensor
0V sensor
MAXXECUMINI-C1-D3 GND Shield (via SP-SHD)
MAXXECUMINI-C1-F1 IGN 1
MAXXECUMINI-C1-F2 IGN 2
MAXXECUMINI-C1-F3 IGN 3
ECU power (+14V from main relay)
GND
5V ref
0V sensor
MAXXECUMINI-C1-D2 TPS
MAXXECUMINI-C1-C2 IAT
MAXXECUMINI-C1-C1 CLT
OEM-X
Stock ECU being replaced
1Fuel pump relay control
2Idle speed control valve (close winding)
3Injector cylinder 5
4Injector cylinder 6
5Injector cylinder 4
6Ground (injector output stages)
13O2 sensor signal
15Ground
16Crank position sensor (+)
23Ignition coil cylinder 4
27Main relay control
28Ground (electronics + sensor shielding)
31Injector cylinder 3
32Injector cylinder 2
33Injector cylinder 1
34Ground (output stages)
38O2 sensor heater relay control
40O2 sensor signal ground
41Mass air flow (MAF) signal
42Vehicle speed signal
43Crank position sensor (-)
44Sensor ground (IAT/ECT/TPS)
45Shield ground
50Ignition coil cylinder 1
51Ignition coil cylinder 2
52Ignition coil cylinder 3
54ECU power (+14V from main relay)
55Ground (ignition)
59+5V sensor supply
71Knock sensor ground/shield
73Throttle position (TPS)
77Intake air temperature (IAT)
78Engine coolant temperature (ECT)
MAXXECUMINI
MAXXECUMINI-C1
MAXXECUMINI
A1TRIGGER
A2TRIGGER GND
B1DIN 1 (Hall only)
B3SENSOR GND
B4SENSOR GND
C1CLT
C2IAT
C3AIN 3 (0-5V)
C4AIN 4 (0-5V)
D1GPO 8/TACHO
D2TPS
D3GND Shield
D4SENSOR GND
E1GPO 3
E2+5V sensor supply
F1IGN 1
F2IGN 2
F3IGN 3
F4IGN 4
G1GPO 2
G2GPO 1
G3INJ 1
G4ENGINE GND
H1INJ 2
H2INJ 3
H3INJ 4
H4+12V (ECU power supply)
OEM-X-16 Crank position sensor (+)
0V sensor
OEM-X-42 Vehicle speed signal
0V sensor
0V sensor
OEM-X-78 Engine coolant temperature (ECT)
OEM-X-77 Intake air temperature (IAT)
OEM-X-41 Mass air flow (MAF) signal
OEM-X-13 O2 sensor signal
OEM-X-2 Idle speed control valve (close winding)
OEM-X-73 Throttle position (TPS)
OEM-X-45 Shield ground (via SP-SHD)
0V sensor
OEM-X-38 O2 sensor heater relay control
5V ref
OEM-X-50 Ignition coil cylinder 1
OEM-X-51 Ignition coil cylinder 2
OEM-X-52 Ignition coil cylinder 3
OEM-X-23 Ignition coil cylinder 4
OEM-X-27 Main relay control
OEM-X-1 Fuel pump relay control
Injector cylinder 1 · 2 pins
GND
INJ 2 · 2 pins
OEM-X-31 Injector cylinder 3
OEM-X-5 Injector cylinder 4
+12V (ECU power supply)
SP-0V · 10 pins
SP-GND · 6 pins
SP-SHD · 3 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.
40 / 40 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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