100%
Stock ECU being replaced
MAXXECUPRO-C4-F2 Knock 1
Ignition power 2 (IGP2)
Ignition power 1 (IGP1)
GND
GND
MAXXECUPRO-C1-H3 TRIGGER
GND
GND
MAXXECUPRO-C3-E1 GPO 10/WBO2 2 HTR
MAXXECUPRO-C1-B1 GPO 6
MAXXECUPRO-C1-B3 IGN 4
MAXXECUPRO-C1-B2 IGN 3
MAXXECUPRO-C1-A3 IGN 2
MAXXECUPRO-C1-A2 IGN 1
MAXXECUPRO-C3-A3 DIN 6 (SWITCH)
MAXXECUPRO-C1-H4 HOME
5V ref
5V ref
0V sensor
0V sensor
MAXXECUPRO-C1-F4 WBO2 VS
MAXXECUPRO-C1-G2 TPS/AIN
MAXXECUPRO-C1-J3 AIN 3 (0-5V)
MAXXECUPRO-C1-G3 WBO2 IP
OEM-A
Stock ECU being replaced
1Knock sensor (KS)
2Ignition power 2 (IGP2)
3Ignition power 1 (IGP1)
4Power ground 2 (PG2)
5Power ground 1 (PG1)
7Crank position sensor (CKP)
8Logic ground 2 (LG2)
9Logic ground 1 (LG1)
10A/F sensor heater control (AFSHTC)
12Idle air control valve (IACV)
13Ignition coil 4 (IGPLS4)
14Ignition coil 3 (IGPLS3)
15Ignition coil 2 (IGPLS2)
16Ignition coil 1 (IGPLS1)
18Neutral position switch (NC)
19Camshaft position A (CMP A)
20Sensor 5V supply 2 (VCC2)
21Sensor 5V supply 1 (VCC1)
23Sensor ground 2 (SG2)
24Sensor ground 1 (SG1)
28A/F sensor - (AFS-, wideband Vs)
29Throttle position sensor (TPS)
30Manifold absolute pressure (MAP)
31A/F sensor + (AFS+, wideband Ip)
MAXXECUPRO-C1-A4 GPO 8/TACHO
MAXXECUPRO-C1-M2 INJ 4
MAXXECUPRO-C1-M1 INJ 3
MAXXECUPRO-C1-K2 INJ 2
MAXXECUPRO-C1-K1 INJ 1
MAXXECUPRO-C1-C1 GPO 7
MAXXECUPRO-C1-J1 AIN 1 (temperature)
MAXXECUPRO-C1-K3 DIN/VR 1
MAXXECUPRO-C3-A4 DIN 7 (SWITCH)
MAXXECUPRO-C3-C3 ANALOG IN 5 (0-5V)
MAXXECUPRO-C1-J2 AIN 2 (temperature)
MAXXECUPRO-C4-G1 GPO 23
MAXXECUPRO-C4-G2 GPO 24
OEM-B
Stock ECU being replaced
1VTC oil control solenoid (+)
2Injector 4 (INJ4)
3Injector 3 (INJ3)
4Injector 2 (INJ2)
5Injector 1 (INJ1)
6VTEC solenoid (VTS)
8Coolant temp sensor (ECT)
10Alternator L signal (ALTL)
11VTEC oil pressure switch (VTPSW)
13Alternator FR signal (ALTF)
17Intake air temp sensor (IAT)
18Alternator control (ALTC)
21Evap canister purge valve (PCS)
MAXXECUPRO-C4-G4 GPO 26
GND
0V sensor
5V ref
MAXXECUPRO-C1-B4 GPO 1
MAXXECUPRO-C1-A1 GPO 5
MAXXECUPRO-C3-K3 KEY IN 12V
MAXXECUPRO-C1-C4 GPO 2
MAXXECUPRO-C3-D1 ANALOG IN 6 (0-5V)
MAXXECUPRO-C3-D2 ANALOG IN 7 (0-5V)
MAXXECUPRO-C4-D3 DIN 8 (switch)
MAXXECUPRO-C1-D4 GPO 3
MAXXECUPRO-C1-E4 GPO 4
MAXXECUPRO-C4-G3 GPO 25
MAXXECUPRO-C1-J4 AIN 4 (0-5V)
MAXXECUPRO-C1-D1 WBO2 Heater-
MAXXECUPRO-C4-D4 DIN 9 (switch)
MAXXECUPRO-C4-H2 GPO 28
MAXXECUPRO-C4-H3 GPO 29
MAXXECUPRO-C4-H1 GPO 27
OEM-E
Stock ECU being replaced
3Reverse lockout solenoid (RVS, Type-S)
4Logic ground 3 (LG3)
5Sensor ground 3 (SG3)
6Sensor 5V supply 3 (VCC3)
8Main relay control (MRLY)
9A/F sensor heater relay control (AFSHTCR)
10Ignition switch signal (IG1)
12Radiator fan control (FANC)
14Fuel tank pressure sensor (FTP)
15Electrical load detector (ELD)
16Power steering pressure switch (PSPSW)
17Immobilizer fuel pump relay (IMO FPR)
18A/C clutch relay (ACC)
19Evap vent shut valve (VSV)
20Secondary heated O2 sensor (SHO2S)
21Secondary O2 heater control (SO2SHTC)
22Brake switch (BKSW)
25Engine speed pulse / tacho (NEP)
26Vehicle speed output (VSSOUT)
31Malfunction indicator lamp (MIL)
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
F4WBO2 VS
G1+5V sensor supply
G2TPS/AIN
G3WBO2 IP
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
L4Engine GND
M1INJ 3
M2INJ 4
M4+12V ECU power supply
OEM-E-9 A/F sensor heater relay control (AFSHTCR)
OEM-A-16 Ignition coil 1 (IGPLS1)
OEM-A-15 Ignition coil 2 (IGPLS2)
OEM-B-1 VTC oil control solenoid (+)
OEM-A-12 Idle air control valve (IACV)
OEM-A-14 Ignition coil 3 (IGPLS3)
OEM-A-13 Ignition coil 4 (IGPLS4)
OEM-E-8 Main relay control (MRLY)
OEM-B-6 VTEC solenoid (VTS)
OEM-E-12 Radiator fan control (FANC)
OEM-E-21 Secondary O2 heater control (SO2SHTC)
OEM-E-17 Immobilizer fuel pump relay (IMO FPR)
OEM-E-18 A/C clutch relay (ACC)
OEM-A-28 A/F sensor - (AFS-, wideband Vs)
5V ref
OEM-A-29 Throttle position sensor (TPS)
OEM-A-31 A/F sensor + (AFS+, wideband Ip)
0V sensor
0V sensor
OEM-A-7 Crank position sensor (CKP)
OEM-A-19 Camshaft position A (CMP A)
OEM-B-8 Coolant temp sensor (ECT)
OEM-B-17 Intake air temp sensor (IAT)
OEM-A-30 Manifold absolute pressure (MAP)
OEM-E-20 Secondary heated O2 sensor (SHO2S)
OEM-B-5 Injector 1 (INJ1)
OEM-B-4 Injector 2 (INJ2)
OEM-B-10 Alternator L signal (ALTL)
GND
OEM-B-3 Injector 3 (INJ3)
OEM-B-2 Injector 4 (INJ4)
+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)
E1GPO 10/WBO2 2 HTR
J2SENSOR GND
J3SENSOR GND
K3KEY IN 12V
L4ENGINE GROUND 2
M412V ECU 2
OEM-A-18 Neutral position switch (NC)
OEM-B-11 VTEC oil pressure switch (VTPSW)
5V ref
OEM-B-13 Alternator FR signal (ALTF)
OEM-E-14 Fuel tank pressure sensor (FTP)
OEM-E-15 Electrical load detector (ELD)
OEM-A-10 A/F sensor heater control (AFSHTC)
0V sensor
0V sensor
OEM-E-10 Ignition switch signal (IG1)
GND
12V ECU 2
MAXXECUPRO-C4
MAXXECUPRO
D3DIN 8 (switch)
D4DIN 9 (switch)
E3+5V sensor supply 3
F2Knock 1
G1GPO 23
G2GPO 24
G3GPO 25
G4GPO 26
H1GPO 27
H2GPO 28
H3GPO 29
OEM-E-16 Power steering pressure switch (PSPSW)
OEM-E-22 Brake switch (BKSW)
5V ref
OEM-A-1 Knock sensor (KS)
OEM-B-18 Alternator control (ALTC)
OEM-B-21 Evap canister purge valve (PCS)
OEM-E-19 Evap vent shut valve (VSV)
OEM-E-3 Reverse lockout solenoid (RVS, Type-S)
OEM-E-31 Malfunction indicator lamp (MIL)
OEM-E-25 Engine speed pulse / tacho (NEP)
OEM-E-26 Vehicle speed output (VSSOUT)
SP-14V · 5 pins
SP-GND · 11 pins
SP-0V · 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.