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
MAXXECUPRO-C1-K1 INJ 1
MAXXECUPRO-C1-K2 INJ 2
MAXXECUPRO-C1-M1 INJ 3
MAXXECUPRO-C4-G3 GPO 25
MAXXECUPRO-C1-B4 GPO 1
MAXXECUPRO-C4-G4 GPO 26
MAXXECUPRO-C4-H1 GPO 27
MAXXECUPRO-C1-A1 GPO 5
MAXXECUPRO-C1-C1 GPO 7
MAXXECUPRO-C1-D1 WBO2 Heater-
MAXXECUPRO-C1-A2 IGN 1
GND
ECM power source (IGP1)
MAXXECUPRO-C1-M2 INJ 4
MAXXECUPRO-C1-M3 INJ 5
MAXXECUPRO-C1-L3 INJ 6
MAXXECUPRO-C1-A4 GPO 8/TACHO
MAXXECUPRO-C4-G1 GPO 23
MAXXECUPRO-C4-G2 GPO 24
MAXXECUPRO-C3-E1 GPO 10/WBO2 2 HTR
MAXXECUPRO-C1-B1 GPO 6
MAXXECUPRO-C1-A3 IGN 2
GND
0V sensor
OEM-A
Stock ECU being replaced
1Injector 1 (INJ1)
2Injector 2 (INJ2)
3Injector 3 (INJ3)
4EVAP canister vent shut valve (VSV)
5Fuel pump relay (FLR1)
6EGR control solenoid (ESOL)
7Malfunction indicator lamp (MIL)
8A/C clutch relay (ACC)
9Front secondary O2 heater (FSO2SHTC)
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)
17EVAP bypass solenoid (2WBS)
20IAB control solenoid (IABCS)
21EVAP purge control solenoid (PCS)
22Front primary O2 heater (FPO2SHTC)
23Rear primary O2 heater (RPO2SHTC)
24Ignition coil 2 (IGN COIL2)
25Power ground (PG2)
26Logic ground (LG1)
MAXXECUPRO-C4-D3 DIN 8 (switch)
MAXXECUPRO-C1-C3 IGN 6
MAXXECUPRO-C4-D4 DIN 9 (switch)
MAXXECUPRO-C4-E1 DIN 10 (switch)
MAXXECUPRO-C1-H4 HOME
MAXXECUPRO-C1-H3 TRIGGER
0V sensor
MAXXECUPRO-C1-C2 IGN 5
MAXXECUPRO-C1-B3 IGN 4
MAXXECUPRO-C1-B2 IGN 3
0V sensor
0V sensor
0V sensor
0V sensor
OEM-B
Stock ECU being replaced
1VTEC pressure switch front (VTP SWF)
2Ignition coil 6 (IGN COIL6)
3VTEC pressure switch rear (VTP SWR)
4Neutral switch (NT SW, M/T)
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)
MAXXECUPRO-C4-E2 DIN 11 (switch)
MAXXECUPRO-C1-K4 DIN/VR 2
MAXXECUPRO-C1-K3 DIN/VR 1
MAXXECUPRO-C4-H2 GPO 28
OEM-C
Stock ECU being replaced
1ECM power source (IGP2)
4Clutch switch (MTCLS, M/T)
6Starter switch (STS)
7Vehicle speed sensor (VSS)
8Engine speed pulse (NEP)
MAXXECUPRO-C4-F3 Knock 2
MAXXECUPRO-C1-F1 CLT
MAXXECUPRO-C1-F2 IAT
MAXXECUPRO-C1-J3 AIN 3 (0-5V)
5V ref
0V sensor
MAXXECUPRO-C3-C3 ANALOG IN 5 (0-5V)
MAXXECUPRO-C4-F2 Knock 1
MAXXECUPRO-C3-D1 ANALOG IN 6 (0-5V)
MAXXECUPRO-C3-D2 ANALOG IN 7 (0-5V)
MAXXECUPRO-C3-D3 ANALOG IN 8 (0-5V)
MAXXECUPRO-C3-E2 ANALOG IN 9 (0-5V)
MAXXECUPRO-C3-E3 ANALOG IN 10 (0-5V)
OEM-D
Stock ECU being replaced
2Knock sensor rear (KSR)
7Engine coolant temperature (ECT)
8Intake air temperature (IAT)
9MAP sensor
10Sensor 5V supply (VCC2)
11Sensor ground (SG2)
12Throttle position sensor (TPS)
13Knock sensor front (KSF)
16Front secondary O2 signal (O2S FS)
17Rear secondary O2 signal (O2S RS)
18Front primary O2 signal (O2S FP)
19Rear primary O2 signal (O2S RP)
20EGR valve lift sensor (EGRL)
5V ref
0V sensor
MAXXECUPRO-C1-E4 GPO 4
MAXXECUPRO-C3-A4 DIN 7 (SWITCH)
MAXXECUPRO-C1-J4 AIN 4 (0-5V)
MAXXECUPRO-C1-G2 TPS/AIN
5V ref
0V sensor
MAXXECUPRO-C3-A3 DIN 6 (SWITCH)
MAXXECUPRO-C1-C4 GPO 2
MAXXECUPRO-C1-D4 GPO 3
OEM-F
Stock ECU being replaced
1Sensor 5V supply (VCC1)
2Sensor ground (SG1)
4Fuel pump relay 2 (FLR2)
6Brake switch 2 (BKSW2)
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)
MAXXECUPRO
MAXXECUPRO-C1
MAXXECUPRO
A1GPO 5
A2IGN 1
A3IGN 2
A4GPO 8/TACHO
B1GPO 6
B2IGN 3
B3IGN 4
B4GPO 1
C1GPO 7
C2IGN 5
C3IGN 6
C4GPO 2
D1WBO2 Heater-
D4GPO 3
E4GPO 4
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/VR 1
K4DIN/VR 2
L3INJ 6
L4Engine GND
M1INJ 3
M2INJ 4
M3INJ 5
M4+12V ECU power supply
OEM-A-8 A/C clutch relay (ACC)
OEM-A-11 Ignition coil 1 (IGN COIL1)
OEM-A-24 Ignition coil 2 (IGN COIL2)
OEM-A-17 EVAP bypass solenoid (2WBS)
OEM-A-23 Rear primary O2 heater (RPO2SHTC)
OEM-B-12 Ignition coil 3 (IGN COIL3)
OEM-B-11 Ignition coil 4 (IGN COIL4)
OEM-A-5 Fuel pump relay (FLR1)
OEM-A-9 Front secondary O2 heater (FSO2SHTC)
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-F-20 VTEC solenoid rear (VT SOLR)
OEM-F-4 Fuel pump relay 2 (FLR2)
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-C-6 Starter switch (STS)
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
MAXXECUPRO-C2
MAXXECUPRO
H1Engine ground 3
H2Engine ground 3
H3Engine ground 3
GND
GND
GND
MAXXECUPRO-C3
MAXXECUPRO
A3DIN 6 (SWITCH)
A4DIN 7 (SWITCH)
C2+5V SENSOR SUPPLY 2
C3ANALOG IN 5 (0-5V)
D1ANALOG IN 6 (0-5V)
D2ANALOG IN 7 (0-5V)
D3ANALOG IN 8 (0-5V)
E1GPO 10/WBO2 2 HTR
E2ANALOG IN 9 (0-5V)
E3ANALOG IN 10 (0-5V)
J2SENSOR GND
J3SENSOR GND
L4ENGINE GROUND 2
M412V ECU 2
OEM-F-16 Brake switch 1 (BKSW1)
OEM-F-6 Brake switch 2 (BKSW2)
5V ref
OEM-D-12 Throttle position sensor (TPS)
OEM-D-16 Front secondary O2 signal (O2S FS)
OEM-D-17 Rear secondary O2 signal (O2S RS)
OEM-D-18 Front primary O2 signal (O2S FP)
OEM-A-22 Front primary O2 heater (FPO2SHTC)
OEM-D-19 Rear primary O2 signal (O2S RP)
OEM-D-20 EGR valve lift sensor (EGRL)
0V sensor
0V sensor
GND
12V ECU 2
MAXXECUPRO-C4
MAXXECUPRO
D3DIN 8 (switch)
D4DIN 9 (switch)
E1DIN 10 (switch)
E2DIN 11 (switch)
E3+5V sensor supply 3
F2Knock 1
F3Knock 2
G1GPO 23
G2GPO 24
G3GPO 25
G4GPO 26
H1GPO 27
H2GPO 28
OEM-B-1 VTEC pressure switch front (VTP SWF)
OEM-B-3 VTEC pressure switch rear (VTP SWR)
OEM-B-4 Neutral switch (NT SW, M/T)
OEM-C-4 Clutch switch (MTCLS, M/T)
5V ref
OEM-D-13 Knock sensor front (KSF)
OEM-D-2 Knock sensor rear (KSR)
OEM-A-20 IAB control solenoid (IABCS)
OEM-A-21 EVAP purge control solenoid (PCS)
OEM-A-4 EVAP canister vent shut valve (VSV)
OEM-A-6 EGR control solenoid (ESOL)
OEM-A-7 Malfunction indicator lamp (MIL)
OEM-C-8 Engine speed pulse (NEP)
SP-0V · 14 pins
SP-GND · 10 pins
SP-14V · 9 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.
84 / 84 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
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