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-C4-F2 Knock 1
Ignition power 2
Ignition power 1
GND
GND
MAXXECUPRO-C1-H4 HOME
MAXXECUPRO-C1-H3 TRIGGER
GND
GND
MAXXECUPRO-C3-E1 GPO 10/WBO2 2 HTR
11–12 no data
MAXXECUPRO-C1-B3 IGN 4
MAXXECUPRO-C1-B2 IGN 3
MAXXECUPRO-C1-A3 IGN 2
MAXXECUPRO-C1-A2 IGN 1
17 no data
MAXXECUPRO-C1-K3 DIN/VR 1
19 no data
5V ref
5V ref
22 no data
0V sensor
0V sensor
MAXXECUPRO-C1-G2 TPS/AIN
MAXXECUPRO-C1-J4 AIN 4 (0-5V)
27 no data
29 no data
MAXXECUPRO-C1-J3 AIN 3 (0-5V)
OEM-A
Stock ECU being replaced
1Knock sensor
2Ignition power 2
3Ignition power 1
4Power ground 2
5Power ground 1
6Cam position sensor (T2)
7Crank position sensor (T1)
8Logic ground 2
9Logic ground 1
10A/F sensor heater
11–12 no data
13Ignition coil 4
14Ignition coil 3
15Ignition coil 2
16Ignition coil 1
17 no data
18Vehicle speed sensor
19 no data
20Sensor voltage 2
21Sensor voltage 1
22 no data
23Sensor ground 2
24Sensor ground 1
25Accelerator pedal position B
26Accelerator pedal position A
27 no data
29 no data
30MAP sensor
1 no data
MAXXECUPRO-C1-M2 INJ 4
MAXXECUPRO-C1-M1 INJ 3
MAXXECUPRO-C1-K2 INJ 2
MAXXECUPRO-C1-K1 INJ 1
MAXXECUPRO-C3-G4 GPO 15 (12V)
7 no data
MAXXECUPRO-C1-F1 CLT
9 no data
MAXXECUPRO-C3-A3 DIN 6 (SWITCH)
12 no data
MAXXECUPRO-C3-D3 ANALOG IN 8 (0-5V)
14 no data
MAXXECUPRO-C1-C1 GPO 7
16 no data
MAXXECUPRO-C1-F2 IAT
MAXXECUPRO-C1-A4 GPO 8/TACHO
MAXXECUPRO-C4-G1 GPO 23
22–24 no data
OEM-B
Stock ECU being replaced
1 no data
2Injector 4
3Injector 3
4Injector 2
5Injector 1
6VTEC solenoid
7 no data
8Coolant temp sensor
9 no data
11VTEC oil pressure switch
12 no data
13Alternator FR signal
14 no data
15Engine mount control solenoid
16 no data
17Intake air temp sensor
18Alternator control
21Evap canister purge valve
22–24 no data
MAXXECUPRO-C3-A4 DIN 7 (SWITCH)
2–3 no data
MAXXECUPRO-C4-D3 DIN 8 (switch)
5–6 no data
MAXXECUPRO-C4-D4 DIN 9 (switch)
MAXXECUPRO-C4-E1 DIN 10 (switch)
MAXXECUPRO-C1-K4 DIN/VR 2
10–14 no data
MAXXECUPRO-C1-D4 GPO 3
16–17 no data
OEM-D
Stock ECU being replaced
1Cruise set switch
2–3 no data
4Cruise main switch
5–6 no data
7Cruise resume switch
8Brake pedal position switch
9Cruise clutch signal
10–14 no data
15Throttle actuator relay
16–17 no data
MAXXECUPRO-C1-J1 AIN 1 (temperature)
2 no data
GND
0V sensor
5V ref
6 no data
MAXXECUPRO-C1-C4 GPO 2
MAXXECUPRO-C1-B1 GPO 6
MAXXECUPRO-C3-K3 KEY IN 12V
10 no data
MAXXECUPRO-C4-A1 CAN 2 H
MAXXECUPRO-C1-E4 GPO 4
MAXXECUPRO-C3-E2 ANALOG IN 9 (0-5V)
MAXXECUPRO-C3-E3 ANALOG IN 10 (0-5V)
MAXXECUPRO-C3-F2 ANALOG IN 11 (0-5V)
MAXXECUPRO-C1-B4 GPO 1
MAXXECUPRO-C1-A1 GPO 5
MAXXECUPRO-C4-G2 GPO 24
MAXXECUPRO-C3-D2 ANALOG IN 7 (0-5V)
MAXXECUPRO-C1-D1 WBO2 Heater-
MAXXECUPRO-C4-E2 DIN 11 (switch)
23 no data
MAXXECUPRO-C4-A2 CAN 2 L
MAXXECUPRO-C4-G3 GPO 25
MAXXECUPRO-C4-G4 GPO 26
MAXXECUPRO-C3-A1 DIN/VR 4
31 no data
OEM-E
Stock ECU being replaced
1Coolant temp sensor 2
2 no data
3Logic ground 3
4Sensor ground 3
5Sensor voltage 3
6 no data
7Main relay control
8A/F sensor heater relay
9Ignition signal
10 no data
11CAN H
12Radiator fan control
14Fuel tank pressure sensor
15Electrical load detector
16Power steering load detector
17Fuel pump relay
18A/C clutch relay
19Evap canister vent shut valve
20Secondary O2 sensor
21Secondary O2 heater
22Brake pedal switch
23 no data
24CAN L
25Engine speed pulse (tacho)
26Vehicle speed output
28A/C switch signal
31 no data
MAXXECUPRO
MAXXECUPRO-C1
MAXXECUPRO
A1GPO 5
A2IGN 1
A3IGN 2
A4GPO 8/TACHO
B1GPO 6
B2IGN 3
B3IGN 4
B4GPO 1
C1GPO 7
C4GPO 2
D1WBO2 Heater-
D4GPO 3
E4GPO 4
F1CLT
F2IAT
G1+5V sensor supply
G2TPS/AIN
H1Sensor GND
H2Trigger GND
H3TRIGGER
H4HOME
J1AIN 1 (temperature)
J3AIN 3 (0-5V)
J4AIN 4 (0-5V)
K1INJ 1
K2INJ 2
K3DIN/VR 1
K4DIN/VR 2
L4Engine GND
M1INJ 3
M2INJ 4
M4+12V ECU power supply
OEM-E-18 A/C clutch relay
OEM-A-16 Ignition coil 1
OEM-A-15 Ignition coil 2
OEM-B-18 Alternator control
OEM-E-8 A/F sensor heater relay
OEM-A-14 Ignition coil 3
OEM-A-13 Ignition coil 4
OEM-E-17 Fuel pump relay
OEM-B-15 Engine mount control solenoid
OEM-E-7 Main relay control
OEM-E-21 Secondary O2 heater
OEM-D-15 Throttle actuator relay
OEM-E-12 Radiator fan control
OEM-B-8 Coolant temp sensor
OEM-B-17 Intake air temp sensor
5V ref
OEM-A-25 Accelerator pedal position B
0V sensor
0V sensor
OEM-A-7 Crank position sensor (T1)
OEM-A-6 Cam position sensor (T2)
OEM-E-1 Coolant temp sensor 2
OEM-A-30 MAP sensor
OEM-A-26 Accelerator pedal position A
OEM-B-5 Injector 1
OEM-B-4 Injector 2
OEM-A-18 Vehicle speed sensor
OEM-D-9 Cruise clutch signal
GND
OEM-B-3 Injector 3
OEM-B-2 Injector 4
+12V ECU power supply
MAXXECUPRO-C2
MAXXECUPRO
H1Engine ground 3
H2Engine ground 3
H3Engine ground 3
GND
GND
GND
MAXXECUPRO-C3
MAXXECUPRO
A1DIN/VR 4
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)
F2ANALOG IN 11 (0-5V)
G4GPO 15 (12V)
J2SENSOR GND
J3SENSOR GND
K3KEY IN 12V
L2GPO 12/MOTOR 1 +
L3GPO 11/MOTOR 1 -
L4ENGINE GROUND 2
M412V ECU 2
OEM-E-28 A/C switch signal
OEM-B-11 VTEC oil pressure switch
OEM-D-1 Cruise set switch
5V ref
TB-J-TPS1 Throttle position 1
TB-J-TPS2 Throttle position 2
OEM-E-20 Secondary O2 sensor
OEM-B-13 Alternator FR signal
OEM-A-10 A/F sensor heater
OEM-E-14 Fuel tank pressure sensor
OEM-E-15 Electrical load detector
OEM-E-16 Power steering load detector
OEM-B-6 VTEC solenoid
0V sensor
0V sensor
OEM-E-9 Ignition signal
TB-J-M- Throttle motor −
TB-J-M+ Throttle motor +
GND
12V ECU 2
MAXXECUPRO-C4
MAXXECUPRO
A1CAN 2 H
A2CAN 2 L
D3DIN 8 (switch)
D4DIN 9 (switch)
E1DIN 10 (switch)
E2DIN 11 (switch)
E3+5V sensor supply 3
F2Knock 1
G1GPO 23
G2GPO 24
G3GPO 25
G4GPO 26
OEM-E-11 CAN H
OEM-E-24 CAN L
OEM-D-4 Cruise main switch
OEM-D-7 Cruise resume switch
OEM-D-8 Brake pedal position switch
OEM-E-22 Brake pedal switch
5V ref
OEM-A-1 Knock sensor
OEM-B-21 Evap canister purge valve
OEM-E-19 Evap canister vent shut valve
OEM-E-25 Engine speed pulse (tacho)
OEM-E-26 Vehicle speed output
TB
TB-J
TB
M+Throttle motor +
M-Throttle motor −
GNDThrottle sensor ground
TPS1Throttle position 1
TPS2Throttle position 2
VCCThrottle sensor 5V supply
MAXXECUPRO-C3-L3 GPO 11/MOTOR 1 -
MAXXECUPRO-C3-L2 GPO 12/MOTOR 1 +
0V sensor
MAXXECUPRO-C3-C3 ANALOG IN 5 (0-5V)
MAXXECUPRO-C3-D1 ANALOG IN 6 (0-5V)
Throttle sensor 5V supply
SP-14V · 5 pins
SP-GND · 11 pins
SP-0V · 9 pins
SP-5V1 · 4 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.
80 / 80 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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