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
0V sensor
MAXXECUMINI-C1-E1 GPO 3
Ignition 1 voltage (key hot)
0V sensor
MAXXECUMINI-C1-D2 TPS
0V sensor
5V ref
5V ref
5V ref
MAXXECUMINI-C1-C2 IAT
0V sensor
MAXXECUMINI-C1-C3 AIN 3 (0-5V)
Ignition 1 voltage (key hot)
0V sensor
MAXXECUMINI-C1-G2 GPO 1
MAXXECUMINI-C1-D1 GPO 8/TACHO
5V ref
MAXXECUMINI-C1-G1 GPO 2
MAXXECUMINI-C1-B1 DIN 1 (Hall only)
MAXXECUMINI-C1-B2 DIN 2 (Hall only)
GND
OEM-X1
Stock ECU being replaced
11HO2S low reference, bank 1 sensor 2
17High speed cooling fan relay
19Ignition 1 voltage (key hot)
23APP sensor low reference
29Accelerator pedal position (APP) sensor 1 signal
30APP sensor low reference
335V reference (fuel tank pressure)
345V reference (A/C pressure)
365V reference (APP sensor)
37Intake air temperature (IAT) signal
38Intake air temperature (IAT) low reference
41Mass air flow (MAF) signal
47Ignition 1 voltage (key hot)
49HO2S low reference, bank 2 sensor 2
50Fuel pump relay control (primary)
51Fuel pump relay control (secondary)
565V reference (APP sensor)
59Powertrain relay coil control (main relay)
71VSS high signal (manual trans)
72VSS low signal (manual trans)
73Power ground
5V ref
5V ref
MAXXECUMINI-C1-H3 INJ 4
MAXXECUMINI-C1-G3 INJ 1
MAXXECUMINI-C1-H1 INJ 2
MAXXECUMINI-C1-G3 INJ 1
MAXXECUMINI-C1-C1 CLT
0V sensor
0V sensor
0V sensor
MAXXECUMINI-C1-H1 INJ 2
MAXXECUMINI-C1-H2 INJ 3
MAXXECUMINI-C1-H3 INJ 4
MAXXECUMINI-C1-H2 INJ 3
5V ref
5V ref
5V ref
0V sensor
0V sensor
0V sensor
MAXXECUMINI-C1-C4 AIN 4 (0-5V)
0V sensor
0V sensor
MAXXECUMINI-C1-A1 TRIGGER
0V sensor
MAXXECUMINI-C1-F1 IGN 1
MAXXECUMINI-C1-F2 IGN 2
MAXXECUMINI-C1-F4 IGN 4
MAXXECUMINI-C1-F3 IGN 3
GND
GND
OEM-X2
Stock ECU being replaced
25V reference (crankshaft sensor)
35V reference (throttle body)
17Injector 8
18Injector 5
19Injector 6
20Injector 1
21Engine coolant temperature (ECT) signal
22ECT low reference
34Oil pressure low reference
35Throttle body low reference
37Injector 2
38Injector 3
39Injector 4
40Injector 7
415V reference (oil pressure)
435V reference (MAP)
445V reference (camshaft sensor)
52Camshaft actuator low reference
53MAP low reference
56HO2S low reference, bank 1 sensor 1
58Manifold absolute pressure (MAP) signal
60HO2S low reference, bank 2 sensor 1
66Camshaft position low reference
68Crankshaft position signal (58x)
69Crankshaft position low reference
70Ignition coil 1 control
73Ignition coil 2 control
76Ignition coil 4 control
77Ignition coil 3 control
78Coil low reference (odd bank)
79Coil low reference (even bank)
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
F4IGN 4
G1GPO 2
G2GPO 1
G3INJ 1
G4ENGINE GND
H1INJ 2
H2INJ 3
H3INJ 4
H4+12V (ECU power supply)
OEM-X2-68 Crankshaft position signal (58x)
0V sensor
OEM-X1-71 VSS high signal (manual trans)
OEM-X1-72 VSS low signal (manual trans)
0V sensor
0V sensor
OEM-X2-21 Engine coolant temperature (ECT) signal
OEM-X1-37 Intake air temperature (IAT) signal
OEM-X1-41 Mass air flow (MAF) signal
OEM-X2-58 Manifold absolute pressure (MAP) signal
OEM-X1-51 Fuel pump relay control (secondary)
OEM-X1-29 Accelerator pedal position (APP) sensor 1 signal
0V sensor
OEM-X1-17 High speed cooling fan relay
5V ref
OEM-X2-70 Ignition coil 1 control
OEM-X2-73 Ignition coil 2 control
OEM-X2-77 Ignition coil 3 control
OEM-X2-76 Ignition coil 4 control
OEM-X1-59 Powertrain relay coil control (main relay)
OEM-X1-50 Fuel pump relay control (primary)
Injector 1 · 2 pins
GND
Injector 6 · 2 pins
INJ 3 · 2 pins
Injector 8 · 2 pins
+12V (ECU power supply)
SP-14V · 4 pins
SP-5V1 · 11 pins
SP-0V · 19 pins
SP-GND · 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.
59 / 59 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
| Wire | From | To | Signal | Gauge | Colour | Stripe | Ident | Flags | |
|---|---|---|---|---|---|---|---|---|---|
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — |