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
MAXXECUSPORT-C1-K1 INJ 1
MAXXECUSPORT-C1-K2 INJ 2
MAXXECUSPORT-C1-M1 INJ 3
MAXXECUSPORT-C1-B4 GPO 1
MAXXECUSPORT-C1-B1 GPO 5
MAXXECUSPORT-C1-D1 WBO2 Heater-
MAXXECUSPORT-C1-A2 IGN 1
GND
ECM power source (IGP1)
MAXXECUSPORT-C1-M2 INJ 4
MAXXECUSPORT-C1-M3 INJ 5
MAXXECUSPORT-C1-L3 INJ 6
MAXXECUSPORT-C1-A4 GPO 8/TACHO
MAXXECUSPORT-C1-A3 IGN 2
GND
0V sensor
OEM-A
Stock ECU being replaced
1Injector 1 (INJ1)
2Injector 2 (INJ2)
3Injector 3 (INJ3)
5Fuel pump relay (FLR1)
8A/C clutch relay (ACC)
10Rear secondary O2 heater (RSO2SHTC)
11Ignition coil 1 (IGN COIL1)
12Power ground (PG1)
13ECM power source (IGP1)
14Injector 4 (INJ4)
15Injector 5 (INJ5)
16Injector 6 (INJ6)
22Front primary O2 heater (FPO2SHTC)
24Ignition coil 2 (IGN COIL2)
25Power ground (PG2)
26Logic ground (LG1)
MAXXECUSPORT-C1-C3 IGN 6
MAXXECUSPORT-C1-H4 HOME
MAXXECUSPORT-C1-H3 TRIGGER
0V sensor
MAXXECUSPORT-C1-C2 IGN 5
MAXXECUSPORT-C1-B3 IGN 4
MAXXECUSPORT-C1-B2 IGN 3
0V sensor
0V sensor
0V sensor
0V sensor
OEM-B
Stock ECU being replaced
2Ignition coil 6 (IGN COIL6)
6Cylinder position sensor 1 + (CYP 1P)
8Crank position sensor 1 + (CKP 1P)
9Logic ground (LG2)
10Ignition coil 5 (IGN COIL5)
11Ignition coil 4 (IGN COIL4)
12Ignition coil 3 (IGN COIL3)
13Cylinder position sensor 2 return (CYP 2M)
14Cylinder position sensor 1 return (CYP 1M)
15Crank position sensor 2 return (CKP 2M)
16Crank position sensor 1 return (CKP 1M)
ECM power source (IGP2)
MAXXECUSPORT-C1-K3 DIN 1
OEM-C
Stock ECU being replaced
1ECM power source (IGP2)
7Vehicle speed sensor (VSS)
MAXXECUSPORT-C1-F1 CLT
MAXXECUSPORT-C1-F2 IAT
MAXXECUSPORT-C1-J3 AIN 3 (0-5V)
5V ref
0V sensor
MAXXECUSPORT-C1-C1 AIN 5 (0-5V)
MAXXECUSPORT-C1-D2 AIN 6 (0-5V)
MAXXECUSPORT-C1-D3 AIN 7 (0-5V)
MAXXECUSPORT-C1-E4 AIN 8 (0-5V)
OEM-D
Stock ECU being replaced
7Engine coolant temperature (ECT)
8Intake air temperature (IAT)
9MAP sensor
10Sensor 5V supply (VCC2)
11Sensor ground (SG2)
12Throttle position sensor (TPS)
16Front secondary O2 signal (O2S FS)
17Rear secondary O2 signal (O2S RS)
18Front primary O2 signal (O2S FP)
5V ref
0V sensor
MAXXECUSPORT-C1-A1 GPO 4
MAXXECUSPORT-C1-J4 AIN 4 (0-5V)
MAXXECUSPORT-C1-G2 TPS/AIN
5V ref
0V sensor
MAXXECUSPORT-C1-K4 DIN 2
MAXXECUSPORT-C1-C4 GPO 2
MAXXECUSPORT-C1-D4 GPO 3
OEM-F
Stock ECU being replaced
1Sensor 5V supply (VCC1)
2Sensor ground (SG1)
4Fuel pump relay 2 (FLR2)
12Accelerator pedal position 2 (AP2)
13Accelerator pedal position 1 (AP1)
14Accelerator pedal 5V supply (VCC3)
15Accelerator pedal ground (SG3)
16Brake switch 1 (BKSW1)
19VTEC solenoid front (VT SOLF)
20VTEC solenoid rear (VT SOLR)
Throttle motor power source 1 (IGM1)
Throttle motor power source 2 (IGM2)
GND
GND
Throttle motor common power phases 1&3 (COM1)
Throttle motor common power phases 2&4 (COM2)
OEM-G
Stock ECU being replaced
2Throttle motor power source 1 (IGM1)
3Throttle motor power source 2 (IGM2)
7Throttle motor ground 1 (PGM1)
8Throttle motor ground 2 (PGM2)
9Throttle motor common power phases 1&3 (COM1)
10Throttle motor common power phases 2&4 (COM2)
MAXXECUSPORT
MAXXECUSPORT-C1
MAXXECUSPORT
A1GPO 4
A2IGN 1
A3IGN 2
A4GPO 8/TACHO
B1GPO 5
B2IGN 3
B3IGN 4
B4GPO 1
C1AIN 5 (0-5V)
C2IGN 5
C3IGN 6
C4GPO 2
D1WBO2 Heater-
D2AIN 6 (0-5V)
D3AIN 7 (0-5V)
D4GPO 3
E4AIN 8 (0-5V)
F1CLT
F2IAT
G1+5V sensor supply
G2TPS/AIN
H1Sensor GND
H2Trigger GND
H3TRIGGER
H4HOME
J3AIN 3 (0-5V)
J4AIN 4 (0-5V)
K1INJ 1
K2INJ 2
K3DIN 1
K4DIN 2
L3INJ 6
L4Engine GND
M1INJ 3
M2INJ 4
M3INJ 5
M4+12V ECU power supply
OEM-F-4 Fuel pump relay 2 (FLR2)
OEM-A-11 Ignition coil 1 (IGN COIL1)
OEM-A-24 Ignition coil 2 (IGN COIL2)
OEM-A-22 Front primary O2 heater (FPO2SHTC)
OEM-A-8 A/C clutch relay (ACC)
OEM-B-12 Ignition coil 3 (IGN COIL3)
OEM-B-11 Ignition coil 4 (IGN COIL4)
OEM-A-5 Fuel pump relay (FLR1)
OEM-D-12 Throttle position sensor (TPS)
OEM-B-10 Ignition coil 5 (IGN COIL5)
OEM-B-2 Ignition coil 6 (IGN COIL6)
OEM-F-19 VTEC solenoid front (VT SOLF)
OEM-A-10 Rear secondary O2 heater (RSO2SHTC)
OEM-D-16 Front secondary O2 signal (O2S FS)
OEM-D-17 Rear secondary O2 signal (O2S RS)
OEM-F-20 VTEC solenoid rear (VT SOLR)
OEM-D-18 Front primary O2 signal (O2S FP)
OEM-D-7 Engine coolant temperature (ECT)
OEM-D-8 Intake air temperature (IAT)
5V ref
OEM-F-13 Accelerator pedal position 1 (AP1)
0V sensor
0V sensor
OEM-B-8 Crank position sensor 1 + (CKP 1P)
OEM-B-6 Cylinder position sensor 1 + (CYP 1P)
OEM-D-9 MAP sensor
OEM-F-12 Accelerator pedal position 2 (AP2)
OEM-A-1 Injector 1 (INJ1)
OEM-A-2 Injector 2 (INJ2)
OEM-C-7 Vehicle speed sensor (VSS)
OEM-F-16 Brake switch 1 (BKSW1)
OEM-A-16 Injector 6 (INJ6)
GND
OEM-A-3 Injector 3 (INJ3)
OEM-A-14 Injector 4 (INJ4)
OEM-A-15 Injector 5 (INJ5)
+12V ECU power supply
SP-0V · 12 pins
SP-GND · 6 pins
SP-5V1 · 5 pins
SP-14V · 8 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.
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