100%
Stock ECU being replaced
NEXUSS3-A-16 DPO 5
Ignition power 2 (IGP2)
Ignition power 1 (IGP1)
GND
GND
NEXUSS3-C-31 WBI 1 Pump
NEXUSS3-C-1 Trigger +
NEXUSS3-C-23 Knock 1
0V sensor
0V sensor
NEXUSS3-A-17 DPO 6
NEXUSS3-C-11 AVI 2
NEXUSS3-C-32 WBI 1 Nernst
NEXUSS3-C-6 SPI 2
NEXUSS3-C-10 AVI 1
5V ref
NEXUSS3-C-29 WBI 1 Heater +
GND
GND
NEXUSS3-C-3 Home +
NEXUSS3-C-5 SPI 1
NEXUSS3-A-30 Ignition 4
NEXUSS3-A-29 Ignition 3
NEXUSS3-A-28 Ignition 2
NEXUSS3-A-27 Ignition 1
OEM-A
Stock ECU being replaced
1A/F sensor heater control (AFSHTC)
2Ignition power 2 (IGP2)
3Ignition power 1 (IGP1)
4Power ground 2 (PG2)
5Power ground 1 (PG1)
6A/F sensor + (AFS+, wideband Ip)
7Crank position sensor (CKP)
9Knock sensor (KS)
10Sensor ground 2 (SG2)
11Sensor ground 1 (SG1)
12Idle air control valve (IACV)
15Throttle position sensor (TPS)
16A/F sensor - (AFS-, wideband Vs)
18Vehicle speed sensor (VSS, M/T)
19Manifold absolute pressure (MAP)
20Sensor 5V supply 2 (VCC2)
22A/F sensor heater supply (AFSHTC+)
23Logic ground 2 (LG2)
24Logic ground 1 (LG1)
25Camshaft position A (CMP A)
26Camshaft position B (CMP B)
27Ignition coil 4 (IGPLS4)
28Ignition coil 3 (IGPLS3)
29Ignition coil 2 (IGPLS2)
30Ignition coil 1 (IGPLS1)
NEXUSS3-A-6 Injector 6
NEXUSS3-A-4 Injector 4
NEXUSS3-A-3 Injector 3
NEXUSS3-A-2 Injector 2
NEXUSS3-A-1 Injector 1
NEXUSS3-A-9 DPO 1
NEXUSS3-A-20 HBO 2
NEXUSS3-C-13 AVI 4
NEXUSS3-C-8 SPI 4
NEXUSS3-C-7 SPI 3
NEXUSS3-C-15 AVI 6
NEXUSS3-A-5 Injector 5
NEXUSS3-C-14 AVI 5
NEXUSS3-A-7 Injector 7
NEXUSS3-A-8 Injector 8
NEXUSS3-A-19 HBO 1
OEM-B
Stock ECU being replaced
1VTC oil control solenoid (+)
2Injector 4 (INJ4)
3Injector 3 (INJ3)
4Injector 2 (INJ2)
5Injector 1 (INJ1)
6Radiator fan control (FANC)
7Reverse lockout solenoid (RVS, Type-S)
8Coolant temp sensor (ECT)
9VTEC oil pressure switch (VTPSW)
10Alternator L signal (ALTL)
13Alternator FR signal (ALTF)
15VTEC solenoid (VTS)
17Intake air temp sensor (IAT)
18Alternator control (ALTC)
21Evap canister purge valve (PCS)
23VTC oil control solenoid (-)
NEXUSS3-A-12 DPO 2
NEXUSS3-C-12 AVI 3
GND
0V sensor
NEXUSS3-C-33 WBI 1 Heater -
NEXUSS3-A-26 ECR output
NEXUSS3-A-15 DPO 4
NEXUSS3-A-13 Ignition switch input
NEXUSS3-C-16 AVI 7
NEXUSS3-C-17 AVI 8
NEXUSS3-C-19 SPI 5
NEXUSS3-A-14 DPO 3
NEXUSS3-C-20 SPI 6
NEXUSS3-A-21 HBO 3
NEXUSS3-C-18 AVI 9
NEXUSS3-A-22 HBO 4
OEM-E
Stock ECU being replaced
1Immobilizer fuel pump relay (IMO FPR)
2Secondary heated O2 sensor (SHO2S)
3Logic ground 3 (LG3)
4Sensor ground 3 (SG3)
6Secondary O2 heater control (SO2SHTC)
7Main relay control (MRLY)
8A/F sensor heater relay control (AFSHTCR)
9Ignition switch signal (IG1)
14Fuel tank pressure sensor (FTP)
15Electrical load detector (ELD)
16Power steering pressure switch (PSPSW)
18A/C clutch relay (ACC)
20Brake switch / interlock (2WBS)
21Evap vent shut valve (VSV)
22Brake switch (BKSW)
31Malfunction indicator lamp (MIL)
NEXUSS3
NEXUSS3-A
NEXUSS3
1Injector 1
2Injector 2
3Injector 3
4Injector 4
5Injector 5
6Injector 6
7Injector 7
8Injector 8
9DPO 1
10Battery ground
11Battery ground
12DPO 2
13Ignition switch input
14DPO 3
15DPO 4
16DPO 5
17DPO 6
18+12V switched input
19HBO 1
20HBO 2
21HBO 3
22HBO 4
25+12V switched input
26ECR output
27Ignition 1
28Ignition 2
29Ignition 3
30Ignition 4
OEM-B-5 Injector 1 (INJ1)
OEM-B-4 Injector 2 (INJ2)
OEM-B-3 Injector 3 (INJ3)
OEM-B-2 Injector 4 (INJ4)
OEM-B-15 VTEC solenoid (VTS)
OEM-B-1 VTC oil control solenoid (+)
OEM-B-18 Alternator control (ALTC)
OEM-B-21 Evap canister purge valve (PCS)
OEM-B-6 Radiator fan control (FANC)
GND
GND
OEM-E-1 Immobilizer fuel pump relay (IMO FPR)
OEM-E-9 Ignition switch signal (IG1)
OEM-E-18 A/C clutch relay (ACC)
OEM-E-8 A/F sensor heater relay control (AFSHTCR)
OEM-A-1 A/F sensor heater control (AFSHTC)
OEM-A-12 Idle air control valve (IACV)
+12V switched input
OEM-B-23 VTC oil control solenoid (-)
OEM-B-7 Reverse lockout solenoid (RVS, Type-S)
OEM-E-21 Evap vent shut valve (VSV)
OEM-E-31 Malfunction indicator lamp (MIL)
+12V switched input
OEM-E-7 Main relay control (MRLY)
OEM-A-30 Ignition coil 1 (IGPLS1)
OEM-A-29 Ignition coil 2 (IGPLS2)
OEM-A-28 Ignition coil 3 (IGPLS3)
OEM-A-27 Ignition coil 4 (IGPLS4)
NEXUSS3-C
NEXUSS3
1Trigger +
2Trigger -
3Home +
4Home -
5SPI 1
6SPI 2
7SPI 3
8SPI 4
10AVI 1
11AVI 2
12AVI 3
13AVI 4
14AVI 5
15AVI 6
16AVI 7
17AVI 8
18AVI 9
19SPI 5
20SPI 6
23Knock 1
25+5V
26Signal ground
29WBI 1 Heater +
31WBI 1 Pump
32WBI 1 Nernst
33WBI 1 Heater -
OEM-A-7 Crank position sensor (CKP)
SP-0V · 3 pins
OEM-A-25 Camshaft position A (CMP A)
SP-0V · 3 pins
OEM-A-26 Camshaft position B (CMP B)
OEM-A-18 Vehicle speed sensor (VSS, M/T)
OEM-B-10 Alternator L signal (ALTL)
OEM-B-9 VTEC oil pressure switch (VTPSW)
OEM-A-19 Manifold absolute pressure (MAP)
OEM-A-15 Throttle position sensor (TPS)
OEM-E-2 Secondary heated O2 sensor (SHO2S)
OEM-B-8 Coolant temp sensor (ECT)
OEM-B-17 Intake air temp sensor (IAT)
OEM-B-13 Alternator FR signal (ALTF)
OEM-E-14 Fuel tank pressure sensor (FTP)
OEM-E-15 Electrical load detector (ELD)
OEM-E-22 Brake switch (BKSW)
OEM-E-16 Power steering pressure switch (PSPSW)
OEM-E-20 Brake switch / interlock (2WBS)
OEM-A-9 Knock sensor (KS)
5V ref
0V sensor
OEM-A-22 A/F sensor heater supply (AFSHTC+)
OEM-A-6 A/F sensor + (AFS+, wideband Ip)
OEM-A-16 A/F sensor - (AFS-, wideband Vs)
OEM-E-6 Secondary O2 heater control (SO2SHTC)
SP-14V · 5 pins
SP-GND · 8 pins
SP-0V · 7 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.