100%
Stock ECU being replaced
NEXUSS3-C-23 Knock 1
Ignition power 2 (IGP2)
Ignition power 1 (IGP1)
GND
GND
NEXUSS3-C-5 SPI 1
NEXUSS3-C-1 Trigger +
GND
GND
NEXUSS3-A-16 DPO 5
NEXUSS3-A-17 DPO 6
NEXUSS3-A-30 Ignition 4
NEXUSS3-A-29 Ignition 3
NEXUSS3-A-28 Ignition 2
NEXUSS3-A-27 Ignition 1
NEXUSS3-C-6 SPI 2
NEXUSS3-C-3 Home +
5V ref
0V sensor
0V sensor
NEXUSS3-C-32 WBI 1 Nernst
NEXUSS3-C-11 AVI 2
NEXUSS3-C-10 AVI 1
NEXUSS3-C-31 WBI 1 Pump
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)
6Camshaft position B (CMP B)
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)
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)
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-5 Injector 5
NEXUSS3-C-13 AVI 4
NEXUSS3-C-7 SPI 3
NEXUSS3-C-8 SPI 4
NEXUSS3-C-15 AVI 6
NEXUSS3-C-14 AVI 5
NEXUSS3-A-7 Injector 7
NEXUSS3-A-8 Injector 8
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)
NEXUSS3-A-20 HBO 2
GND
0V sensor
NEXUSS3-A-26 ECR output
NEXUSS3-A-15 DPO 4
NEXUSS3-A-13 Ignition switch input
NEXUSS3-A-9 DPO 1
NEXUSS3-C-16 AVI 7
NEXUSS3-C-17 AVI 8
NEXUSS3-C-19 SPI 5
NEXUSS3-A-12 DPO 2
NEXUSS3-A-14 DPO 3
NEXUSS3-A-19 HBO 1
NEXUSS3-C-12 AVI 3
NEXUSS3-C-33 WBI 1 Heater -
NEXUSS3-C-20 SPI 6
NEXUSS3-A-21 HBO 3
OEM-E
Stock ECU being replaced
3Reverse lockout solenoid (RVS, Type-S)
4Logic ground 3 (LG3)
5Sensor ground 3 (SG3)
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)
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
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-6 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-E-12 Radiator fan control (FANC)
GND
GND
OEM-E-17 Immobilizer fuel pump relay (IMO FPR)
OEM-E-10 Ignition switch signal (IG1)
OEM-E-18 A/C clutch relay (ACC)
OEM-E-9 A/F sensor heater relay control (AFSHTCR)
OEM-A-10 A/F sensor heater control (AFSHTC)
OEM-A-12 Idle air control valve (IACV)
+12V switched input
OEM-E-19 Evap vent shut valve (VSV)
OEM-E-3 Reverse lockout solenoid (RVS, Type-S)
OEM-E-31 Malfunction indicator lamp (MIL)
+12V switched input
OEM-E-8 Main relay control (MRLY)
OEM-A-16 Ignition coil 1 (IGPLS1)
OEM-A-15 Ignition coil 2 (IGPLS2)
OEM-A-14 Ignition coil 3 (IGPLS3)
OEM-A-13 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
19SPI 5
20SPI 6
23Knock 1
25+5V
26Signal ground
31WBI 1 Pump
32WBI 1 Nernst
33WBI 1 Heater -
OEM-A-7 Crank position sensor (CKP)
SP-0V · 3 pins
OEM-A-19 Camshaft position A (CMP A)
SP-0V · 3 pins
OEM-A-6 Camshaft position B (CMP B)
OEM-A-18 Neutral position switch (NC)
OEM-B-10 Alternator L signal (ALTL)
OEM-B-11 VTEC oil pressure switch (VTPSW)
OEM-A-30 Manifold absolute pressure (MAP)
OEM-A-29 Throttle position sensor (TPS)
OEM-E-20 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-16 Power steering pressure switch (PSPSW)
OEM-E-22 Brake switch (BKSW)
OEM-A-1 Knock sensor (KS)
5V ref
0V sensor
OEM-A-31 A/F sensor + (AFS+, wideband Ip)
OEM-A-28 A/F sensor - (AFS-, wideband Vs)
OEM-E-21 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.