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
OEM-5
Stock ECU being replaced
MAXXECUMINI-C1-G3 INJ 1
MAXXECUMINI-C1-H3 INJ 4
MAXXECUMINI-C1-H1 INJ 2
MAXXECUMINI-C1-G3 INJ 1
MAXXECUMINI-C1-H2 INJ 3
MAXXECUMINI-C1-H1 INJ 2
MAXXECUMINI-C1-D1 GPO 8/TACHO
MAXXECUMINI-C1-G2 GPO 1
MAXXECUMINI-C1-G1 GPO 2
MAXXECUMINI-C1-E1 GPO 3
MAXXECUMINI-C1-F1 IGN 1
MAXXECUMINI-C1-F2 IGN 2
GND
GND
ECU power (IGP1)
0V sensor
OEM-A
Stock ECU being replaced
1Injector 1
2Injector 4
3Injector 2
4Injector 5
5Injector 3
6Injector 6
7Main relay
8Fuel pump relay 2 (FLR2)
15A/C clutch relay (ACC)
18Radiator fan control (FANCNTR)
21Ignition coil 1
22Ignition coil 2
23Power ground (PG1)
24Power ground (PG2)
25ECU power (IGP1)
26Sensor ground (LG1)
GND
MAXXECUMINI-C1-F4 IGN 4
MAXXECUMINI-C1-F3 IGN 3
0V sensor
0V sensor
0V sensor
MAXXECUMINI-C1-A1 TRIGGER
0V sensor
OEM-B
Stock ECU being replaced
2Chassis ground (LG2)
6Ignition coil 4
8Ignition coil 3
10CYL 2M — CYP sensor 2 return
12CYL 1M — CYP sensor 1 return
14CRNK 2M — TDC sensor return
15CRNK 1P — crank sensor signal
16CRNK 1M — crank sensor return
ECU power (IGP2)
MAXXECUMINI-C1-B1 DIN 1 (Hall only)
OEM-C
Stock ECU being replaced
1ECU power (IGP2)
2Vehicle speed sensor (VSS)
MAXXECUMINI-C1-B2 DIN 2 (Hall only)
MAXXECUMINI-C1-D2 TPS
MAXXECUMINI-C1-C1 CLT
MAXXECUMINI-C1-C4 AIN 4 (0-5V)
MAXXECUMINI-C1-C2 IAT
MAXXECUMINI-C1-C3 AIN 3 (0-5V)
5V ref
5V ref
5V ref
0V sensor
0V sensor
OEM-D
Stock ECU being replaced
9Alternator FR signal
11Throttle position sensor (TPS)
13Engine coolant temperature (ECT)
14Primary O2 sensor
15Intake air temperature (IAT)
17MAP sensor
18+5V sensor supply (VCC)
19+5V sensor supply (VCC)
20+5V sensor supply (VCC)
21Sensor ground (SG)
22Sensor ground (SG)
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-B-15 CRNK 1P — crank sensor signal
0V sensor
OEM-C-2 Vehicle speed sensor (VSS)
OEM-D-9 Alternator FR signal
0V sensor
0V sensor
OEM-D-13 Engine coolant temperature (ECT)
OEM-D-15 Intake air temperature (IAT)
OEM-D-17 MAP sensor
OEM-D-14 Primary O2 sensor
OEM-A-7 Main relay
OEM-D-11 Throttle position sensor (TPS)
0V sensor
OEM-A-18 Radiator fan control (FANCNTR)
5V ref
OEM-A-21 Ignition coil 1
OEM-A-22 Ignition coil 2
OEM-B-8 Ignition coil 3
OEM-B-6 Ignition coil 4
OEM-A-15 A/C clutch relay (ACC)
OEM-A-8 Fuel pump relay 2 (FLR2)
Injector 5 · 2 pins
GND
INJ 2 · 2 pins
OEM-A-5 Injector 3
OEM-A-2 Injector 4
+12V (ECU power supply)
SP-GND · 5 pins
SP-0V · 12 pins
SP-14V · 4 pins
SP-5V1 · 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.
44 / 44 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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