100%
Stock ECU being replaced
NEXUSS3-A-26 ECR output
NEXUSS3-A-12 DPO 2
NEXUSS3-A-5 Injector 5
NEXUSS3-A-6 Injector 6
NEXUSS3-A-4 Injector 4
GND
NEXUSS3-A-16 DPO 5
NEXUSS3-A-17 DPO 6
NEXUSS3-C-12 AVI 3
GND
NEXUSS3-C-1 Trigger +
NEXUSS3-C-3 Home +
NEXUSS3-A-30 Ignition 4
NEXUSS3-A-32 Ignition 6
NEXUSS3-A-31 Ignition 5
NEXUSS3-A-9 DPO 1
0V sensor
NEXUSS3-A-14 DPO 3
NEXUSS3-A-3 Injector 3
NEXUSS3-A-2 Injector 2
NEXUSS3-A-1 Injector 1
GND
NEXUSS3-A-15 DPO 4
NEXUSS3-C-33 WBI 1 Heater -
0V sensor
NEXUSS3-C-10 AVI 1
NEXUSS3-C-5 SPI 1
0V sensor
0V sensor
NEXUSS3-A-27 Ignition 1
NEXUSS3-A-28 Ignition 2
NEXUSS3-A-29 Ignition 3
ECU power (+14V from main relay)
GND
NEXUSS3-A-13 Ignition switch input
5V ref
NEXUSS3-C-24 Knock 2
NEXUSS3-C-23 Knock 1
0V sensor
NEXUSS3-C-11 AVI 2
NEXUSS3-C-14 AVI 5
NEXUSS3-C-13 AVI 4
OEM-X
Stock ECU being replaced
1Fuel pump relay control
2Idle speed control valve (close winding)
3Injector cylinder 5
4Injector cylinder 6
5Injector cylinder 4
6Ground (injector output stages)
7VANOS intake camshaft solenoid
8Check engine light (MIL)
13O2 sensor signal
15Ground
16Crank position sensor (+)
17Camshaft position sensor (Hall)
23Ignition coil cylinder 4
24Ignition coil cylinder 6
25Ignition coil cylinder 5
27Main relay control
28Ground (electronics + sensor shielding)
29Idle speed control valve (open winding)
31Injector cylinder 3
32Injector cylinder 2
33Injector cylinder 1
34Ground (output stages)
36Evap purge solenoid
38O2 sensor heater relay control
40O2 sensor signal ground
41Mass air flow (MAF) signal
42Vehicle speed signal
43Crank position sensor (-)
44Sensor ground (IAT/ECT/TPS)
50Ignition coil cylinder 1
51Ignition coil cylinder 2
52Ignition coil cylinder 3
54ECU power (+14V from main relay)
55Ground (ignition)
56Ignition switch (terminal 15)
59+5V sensor supply
69Knock sensor cylinders 4-6
70Knock sensor cylinders 1-3
71Knock sensor ground/shield
73Throttle position (TPS)
77Intake air temperature (IAT)
78Engine coolant temperature (ECT)
NEXUSS3
NEXUSS3-A
NEXUSS3
1Injector 1
2Injector 2
3Injector 3
4Injector 4
5Injector 5
6Injector 6
9DPO 1
10Battery ground
11Battery ground
12DPO 2
13Ignition switch input
14DPO 3
15DPO 4
16DPO 5
17DPO 6
18+12V switched input
25+12V switched input
26ECR output
27Ignition 1
28Ignition 2
29Ignition 3
30Ignition 4
31Ignition 5
32Ignition 6
OEM-X-33 Injector cylinder 1
OEM-X-32 Injector cylinder 2
OEM-X-31 Injector cylinder 3
OEM-X-5 Injector cylinder 4
OEM-X-3 Injector cylinder 5
OEM-X-4 Injector cylinder 6
OEM-X-27 Main relay control
GND
GND
OEM-X-2 Idle speed control valve (close winding)
OEM-X-56 Ignition switch (terminal 15)
OEM-X-29 Idle speed control valve (open winding)
OEM-X-36 Evap purge solenoid
OEM-X-7 VANOS intake camshaft solenoid
OEM-X-8 Check engine light (MIL)
+12V switched input
+12V switched input
OEM-X-1 Fuel pump relay control
OEM-X-50 Ignition coil cylinder 1
OEM-X-51 Ignition coil cylinder 2
OEM-X-52 Ignition coil cylinder 3
OEM-X-23 Ignition coil cylinder 4
OEM-X-25 Ignition coil cylinder 5
OEM-X-24 Ignition coil cylinder 6
NEXUSS3-C
NEXUSS3
1Trigger +
2Trigger -
3Home +
4Home -
5SPI 1
10AVI 1
11AVI 2
12AVI 3
13AVI 4
14AVI 5
23Knock 1
24Knock 2
25+5V
26Signal ground
33WBI 1 Heater -
OEM-X-16 Crank position sensor (+)
SP-0V · 5 pins
OEM-X-17 Camshaft position sensor (Hall)
SP-0V · 5 pins
OEM-X-42 Vehicle speed signal
OEM-X-41 Mass air flow (MAF) signal
OEM-X-73 Throttle position (TPS)
OEM-X-13 O2 sensor signal
OEM-X-78 Engine coolant temperature (ECT)
OEM-X-77 Intake air temperature (IAT)
OEM-X-70 Knock sensor cylinders 1-3
OEM-X-69 Knock sensor cylinders 4-6
5V ref
0V sensor
OEM-X-38 O2 sensor heater relay control
SP-GND · 7 pins
SP-14V · 4 pins
SP-0V · 9 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.