100%
Stock ECU being replaced
MAXXECUPRO-C1-C1 GPO 7
MAXXECUPRO-C4-G2 GPO 24
MAXXECUPRO-C4-G3 GPO 25
MAXXECUPRO-C4-G4 GPO 26
5 no data
MAXXECUPRO-C4-H1 GPO 27
7–8 no data
MAXXECUPRO-C1-K3 DIN/VR 1
11 no data
MAXXECUPRO-C1-A4 GPO 8/TACHO
14 no data
MAXXECUPRO-C1-B4 GPO 1
MAXXECUPRO-C1-C4 GPO 2
MAXXECUPRO-C1-D4 GPO 3
MAXXECUPRO-C4-G1 GPO 23
MAXXECUPRO-C4-H3 GPO 29
MAXXECUPRO-C1-E4 GPO 4
22 no data
MAXXECUPRO-C1-J4 AIN 4 (0-5V)
MAXXECUPRO-C3-A3 DIN 6 (SWITCH)
MAXXECUPRO-C3-A1 DIN/VR 4
MAXXECUPRO-C3-A4 DIN 7 (SWITCH)
MAXXECUPRO-C1-A1 GPO 5
MAXXECUPRO-C3-D2 ANALOG IN 7 (0-5V)
MAXXECUPRO-C3-D3 ANALOG IN 8 (0-5V)
31 no data
MAXXECUPRO-C4-D3 DIN 8 (switch)
OEM-A
Stock ECU being replaced
1Coolant temp gauge drive
2Air control valve solenoid
3Evap bypass solenoid
4Evap canister vent shut valve
5 no data
6Evap canister purge valve
7–8 no data
9Vehicle speed sensor
11 no data
12Immobilizer indicator light
14 no data
15Fuel pump relay (USDM)
16Fuel pump relay (JDM)
17A/C clutch relay
18Check engine light (MIL)
19Tacho output
20Radiator fan relay
22 no data
23Secondary O2 sensor
24Starter switch signal
26Power steering load detect
27A/C switch (request)
28Air pump relay
29Fuel tank pressure sensor
30Electrical load detector
31 no data
32Brake switch
Power source 1 (main relay)
GND
MAXXECUPRO-C1-K2 INJ 2
MAXXECUPRO-C1-M1 INJ 3
MAXXECUPRO-C1-M2 INJ 4
6–8 no data
Power source 2 (main relay)
GND
MAXXECUPRO-C1-K1 INJ 1
MAXXECUPRO-C3-G4 GPO 15 (12V)
13–19 no data
GND
GND
MAXXECUPRO-C1-B1 GPO 6
24–25 no data
OEM-B
Stock ECU being replaced
1Power source 1 (main relay)
2Power ground 1
3Injector 2
4Injector 3
5Injector 4
6–8 no data
9Power source 2 (main relay)
10Power ground 2
11Injector 1
12VTEC solenoid
13–19 no data
20Ground
22Ground
23Idle air control valve
24–25 no data
MAXXECUPRO-C1-D1 WBO2 Heater-
MAXXECUPRO-C4-H2 GPO 28
MAXXECUPRO-C1-A2 IGN 1
MAXXECUPRO-C1-K4 DIN/VR 2
6 no data
0V sensor
MAXXECUPRO-C1-H3 TRIGGER
SP-0V · 4 pins
MAXXECUPRO-C4-D4 DIN 9 (switch)
MAXXECUPRO-C3-E1 GPO 10/WBO2 2 HTR
MAXXECUPRO-C1-A3 IGN 2
MAXXECUPRO-C1-B2 IGN 3
MAXXECUPRO-C1-B3 IGN 4
MAXXECUPRO-C3-C3 ANALOG IN 5 (0-5V)
MAXXECUPRO-C3-D1 ANALOG IN 6 (0-5V)
MAXXECUPRO-C1-J3 AIN 3 (0-5V)
0V sensor
5V ref
MAXXECUPRO-C1-H4 HOME
SP-0V · 4 pins
23 no data
MAXXECUPRO-C3-E2 ANALOG IN 9 (0-5V)
MAXXECUPRO-C1-J2 AIN 2 (temperature)
MAXXECUPRO-C1-J1 AIN 1 (temperature)
MAXXECUPRO-C1-G2 TPS/AIN
5V ref
0V sensor
0V sensor
OEM-C
Stock ECU being replaced
1Primary O2 heater
2Alternator control
4Ignition coil 1
5Alternator FR signal
6 no data
7Sensor ground 1
8Crank sensor + (CKP+)
9Crank sensor − (CKP−)
10VTEC pressure switch
11Secondary O2 heater control
12Ignition coil 2
13Ignition coil 3
14Ignition coil 4
15Secondary O2 sensor
16Primary O2 sensor
17MAP sensor
18Sensor ground 2
19Sensor 5V supply 1 (MAP)
20Cam (TDC1) sensor +
21Cam (TDC1) sensor −
23 no data
24Air pump electric current sensor
25Intake air temp sensor
26Coolant temp sensor
27Throttle position sensor
28Sensor 5V supply 2
30Cam (TDC2) sensor −
31Timing ground
1–16 no data
OEM-D
Stock ECU being replaced
1–16 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
G1+5V sensor supply
G2TPS/AIN
H1Sensor GND
H2Trigger GND
H3TRIGGER
H4HOME
J1AIN 1 (temperature)
J2AIN 2 (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-A-28 Air pump relay
OEM-C-4 Ignition coil 1
OEM-C-12 Ignition coil 2
OEM-A-12 Immobilizer indicator light
OEM-B-23 Idle air control valve
OEM-C-13 Ignition coil 3
OEM-C-14 Ignition coil 4
OEM-A-15 Fuel pump relay (USDM)
OEM-A-1 Coolant temp gauge drive
OEM-A-16 Fuel pump relay (JDM)
OEM-C-1 Primary O2 heater
OEM-A-17 A/C clutch relay
OEM-A-20 Radiator fan relay
5V ref
OEM-C-27 Throttle position sensor
0V sensor
0V sensor
OEM-C-8 Crank sensor + (CKP+)
OEM-C-20 Cam (TDC1) sensor +
OEM-C-26 Coolant temp sensor
OEM-C-25 Intake air temp sensor
OEM-C-17 MAP sensor
OEM-A-23 Secondary O2 sensor
OEM-B-11 Injector 1
OEM-B-3 Injector 2
OEM-A-9 Vehicle speed sensor
OEM-C-5 Alternator FR signal
GND
OEM-B-4 Injector 3
OEM-B-5 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)
G4GPO 15 (12V)
J2SENSOR GND
J3SENSOR GND
L4ENGINE GROUND 2
M412V ECU 2
OEM-A-26 Power steering load detect
OEM-A-24 Starter switch signal
OEM-A-27 A/C switch (request)
5V ref
OEM-C-15 Secondary O2 sensor
OEM-C-16 Primary O2 sensor
OEM-A-29 Fuel tank pressure sensor
OEM-A-30 Electrical load detector
OEM-C-11 Secondary O2 heater control
OEM-C-24 Air pump electric current sensor
OEM-B-12 VTEC solenoid
0V sensor
0V sensor
GND
12V ECU 2
MAXXECUPRO-C4
MAXXECUPRO
D3DIN 8 (switch)
D4DIN 9 (switch)
G1GPO 23
G2GPO 24
G3GPO 25
G4GPO 26
H1GPO 27
H2GPO 28
H3GPO 29
OEM-A-32 Brake switch
OEM-C-10 VTEC pressure switch
OEM-A-18 Check engine light (MIL)
OEM-A-2 Air control valve solenoid
OEM-A-3 Evap bypass solenoid
OEM-A-4 Evap canister vent shut valve
OEM-A-6 Evap canister purge valve
OEM-C-2 Alternator control
OEM-A-19 Tacho output
SP-GND · 10 pins
SP-14V · 5 pins
SP-0V · 11 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.