100%
Stock ECU being replaced
NEXUSS3-C-19 SPI 5
NEXUSS3-C-20 SPI 6
NEXUSS3-A-19 HBO 1
NEXUSS3-A-20 HBO 2
OEM-5
Stock ECU being replaced
F2Front VTEC pressure switch
F4Rear VTEC pressure switch
F5Front VTEC solenoid valve
F7Rear VTEC solenoid valve
NEXUSS3-A-1 Injector 1
NEXUSS3-A-4 Injector 4
NEXUSS3-A-2 Injector 2
NEXUSS3-A-5 Injector 5
NEXUSS3-A-3 Injector 3
NEXUSS3-A-6 Injector 6
NEXUSS3-A-14 DPO 3
NEXUSS3-A-26 ECR output
NEXUSS3-A-21 HBO 3
NEXUSS3-C-33 WBI 1 Heater -
NEXUSS3-A-16 DPO 5
NEXUSS3-A-15 DPO 4
NEXUSS3-A-17 DPO 6
NEXUSS3-A-7 Injector 7
NEXUSS3-A-9 DPO 1
NEXUSS3-A-12 DPO 2
NEXUSS3-A-8 Injector 8
NEXUSS3-A-27 Ignition 1
NEXUSS3-A-28 Ignition 2
GND
GND
ECU power (IGP1)
0V sensor
OEM-A
Stock ECU being replaced
1Injector 1
2Injector 4
3Injector 2
4Injector 5
5Injector 3
6Injector 6
7Main relay
8Fuel pump relay 2 (FLR2)
9Idle air control valve (IACV)
10Front O2 sensor heater (HTCNTF)
11EGR control solenoid
12Rear O2 sensor heater (HTCNTR)
13Check engine light (WARN)
14Chamber volume control solenoid (BPS)
15A/C clutch relay (ACC)
18Radiator fan control (FANCNTR)
20EVAP purge cut-off solenoid (PGS)
21Ignition coil 1
22Ignition coil 2
23Power ground (PG1)
24Power ground (PG2)
25ECU power (IGP1)
26Sensor ground (LG1)
GND
NEXUSS3-A-32 Ignition 6
NEXUSS3-A-31 Ignition 5
NEXUSS3-A-30 Ignition 4
NEXUSS3-C-17 AVI 8
NEXUSS3-A-29 Ignition 3
NEXUSS3-C-6 SPI 2
0V sensor
NEXUSS3-C-3 Home +
0V sensor
NEXUSS3-C-5 SPI 1
0V sensor
NEXUSS3-C-1 Trigger +
0V sensor
OEM-B
Stock ECU being replaced
2Chassis ground (LG2)
3Ignition coil 6
4Ignition coil 5
6Ignition coil 4
7Neutral switch (M/T) / gear position (A/T)
8Ignition coil 3
9CYL 2P — CYP sensor 2 signal
10CYL 2M — CYP sensor 2 return
11CYL 1P — CYP sensor 1 signal
12CYL 1M — CYP sensor 1 return
13CRNK 2P — TDC sensor signal
14CRNK 2M — TDC sensor return
15CRNK 1P — crank sensor signal
16CRNK 1M — crank sensor return
ECU power (IGP2)
NEXUSS3-C-7 SPI 3
NEXUSS3-C-27 AVI 10
NEXUSS3-C-28 AVI 11
NEXUSS3-C-18 AVI 9
OEM-C
Stock ECU being replaced
1ECU power (IGP2)
2Vehicle speed sensor (VSS)
3A/C switch (ACS)
5A/C pressure switch (PDSW)
11Starter switch (STS)
NEXUSS3-C-24 Knock 2
NEXUSS3-C-23 Knock 1
NEXUSS3-C-8 SPI 4
NEXUSS3-C-11 AVI 2
NEXUSS3-C-16 AVI 7
NEXUSS3-C-14 AVI 5
NEXUSS3-C-12 AVI 3
NEXUSS3-C-15 AVI 6
NEXUSS3-C-13 AVI 4
NEXUSS3-C-10 AVI 1
5V ref
5V ref
5V ref
0V sensor
0V sensor
OEM-D
Stock ECU being replaced
3Knock sensor — rear
4Knock sensor — front
9Alternator FR signal
11Throttle position sensor (TPS)
12EGR lift sensor (EGRL)
13Engine coolant temperature (ECT)
14Primary O2 sensor
15Intake air temperature (IAT)
16Secondary O2 sensor
17MAP sensor
18+5V sensor supply (VCC)
19+5V sensor supply (VCC)
20+5V sensor supply (VCC)
21Sensor ground (SG)
22Sensor ground (SG)
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
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
31Ignition 5
32Ignition 6
OEM-A-1 Injector 1
OEM-A-3 Injector 2
OEM-A-5 Injector 3
OEM-A-2 Injector 4
OEM-A-4 Injector 5
OEM-A-6 Injector 6
OEM-A-14 Chamber volume control solenoid (BPS)
OEM-A-20 EVAP purge cut-off solenoid (PGS)
OEM-A-15 A/C clutch relay (ACC)
GND
GND
OEM-A-18 Radiator fan control (FANCNTR)
OEM-A-7 Main relay
OEM-A-12 Rear O2 sensor heater (HTCNTR)
OEM-A-11 EGR control solenoid
OEM-A-13 Check engine light (WARN)
+12V switched input
OEM-5-F5 Front VTEC solenoid valve
OEM-5-F7 Rear VTEC solenoid valve
OEM-A-9 Idle air control valve (IACV)
+12V switched input
OEM-A-8 Fuel pump relay 2 (FLR2)
OEM-A-21 Ignition coil 1
OEM-A-22 Ignition coil 2
OEM-B-8 Ignition coil 3
OEM-B-6 Ignition coil 4
OEM-B-4 Ignition coil 5
OEM-B-3 Ignition coil 6
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
24Knock 2
25+5V
26Signal ground
27AVI 10
28AVI 11
33WBI 1 Heater -
OEM-B-15 CRNK 1P — crank sensor signal
SP-0V · 7 pins
OEM-B-11 CYL 1P — CYP sensor 1 signal
SP-0V · 7 pins
OEM-B-13 CRNK 2P — TDC sensor signal
OEM-B-9 CYL 2P — CYP sensor 2 signal
OEM-C-2 Vehicle speed sensor (VSS)
OEM-D-9 Alternator FR signal
OEM-D-17 MAP sensor
OEM-D-11 Throttle position sensor (TPS)
OEM-D-14 Primary O2 sensor
OEM-D-16 Secondary O2 sensor
OEM-D-13 Engine coolant temperature (ECT)
OEM-D-15 Intake air temperature (IAT)
OEM-D-12 EGR lift sensor (EGRL)
OEM-B-7 Neutral switch (M/T) / gear position (A/T)
OEM-C-11 Starter switch (STS)
OEM-5-F2 Front VTEC pressure switch
OEM-5-F4 Rear VTEC pressure switch
OEM-D-4 Knock sensor — front
OEM-D-3 Knock sensor — rear
5V ref
0V sensor
OEM-C-3 A/C switch (ACS)
OEM-C-5 A/C pressure switch (PDSW)
OEM-A-10 Front O2 sensor heater (HTCNTF)
SP-GND · 6 pins
SP-14V · 5 pins
SP-0V · 11 pins
SP-5V1 · 5 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.