100%
Stock ECU being replaced
NEXUSS3-C-7 SPI 3
NEXUSS3-C-16 AVI 7
0V sensor
NEXUSS3-A-12 DPO 2
Ignition 1 voltage (key hot)
0V sensor
NEXUSS3-C-12 AVI 3
0V sensor
NEXUSS3-C-14 AVI 5
5V ref
5V ref
5V ref
0V sensor
NEXUSS3-C-10 AVI 1
Ignition 1 voltage (key hot)
0V sensor
NEXUSS3-A-26 ECR output
NEXUSS3-A-14 DPO 3
NEXUSS3-A-15 DPO 4
5V ref
NEXUSS3-A-16 DPO 5
NEXUSS3-A-9 DPO 1
NEXUSS3-A-17 DPO 6
NEXUSS3-C-33 WBI 1 Heater -
NEXUSS3-A-21 HBO 3
NEXUSS3-C-17 AVI 8
NEXUSS3-C-5 SPI 1
NEXUSS3-C-6 SPI 2
GND
OEM-X1
Stock ECU being replaced
9Brake switch signal
10HO2S signal, bank 1 sensor 2 (post-cat)
11HO2S low reference, bank 1 sensor 2
17High speed cooling fan relay
19Ignition 1 voltage (key hot)
23APP sensor low reference
29Accelerator pedal position (APP) sensor 1 signal
30APP sensor low reference
32Accelerator pedal position (APP) sensor 2 signal
335V reference (fuel tank pressure)
345V reference (A/C pressure)
365V reference (APP sensor)
38Intake air temperature (IAT) low reference
41Mass air flow (MAF) signal
47Ignition 1 voltage (key hot)
49HO2S low reference, bank 2 sensor 2
50Fuel pump relay control (primary)
51Fuel pump relay control (secondary)
52Starter enable relay control
565V reference (APP sensor)
58Low speed cooling fan relay
59Powertrain relay coil control (main relay)
63A/C compressor clutch relay
64HO2S heater low control, bank 2 sensor 2
65HO2S heater low control, bank 1 sensor 2
69HO2S signal, bank 2 sensor 2 (post-cat)
71VSS high signal (manual trans)
72VSS low signal (manual trans)
73Power ground
5V ref
5V ref
NEXUSS3-A-20 HBO 2
NEXUSS3-A-19 HBO 1
NEXUSS3-A-22 HBO 4
NEXUSS3-A-8 Injector 8
NEXUSS3-A-5 Injector 5
NEXUSS3-A-6 Injector 6
NEXUSS3-A-1 Injector 1
NEXUSS3-C-28 AVI 11
0V sensor
NEXUSS3-C-23 Knock 1
NEXUSS3-C-24 Knock 2
NEXUSS3-C-8 SPI 4
0V sensor
0V sensor
NEXUSS3-A-2 Injector 2
NEXUSS3-A-3 Injector 3
NEXUSS3-A-4 Injector 4
NEXUSS3-A-7 Injector 7
5V ref
5V ref
5V ref
0V sensor
0V sensor
0V sensor
NEXUSS3-C-18 AVI 9
NEXUSS3-C-11 AVI 2
NEXUSS3-C-27 AVI 10
0V sensor
NEXUSS3-C-15 AVI 6
NEXUSS3-C-3 Home +
NEXUSS3-C-13 AVI 4
0V sensor
NEXUSS3-C-1 Trigger +
0V sensor
NEXUSS3-A-27 Ignition 1
NEXUSS3-A-34 Ignition 8
NEXUSS3-A-33 Ignition 7
NEXUSS3-A-28 Ignition 2
NEXUSS3-A-32 Ignition 6
NEXUSS3-A-31 Ignition 5
NEXUSS3-A-30 Ignition 4
NEXUSS3-A-29 Ignition 3
GND
GND
OEM-X2
Stock ECU being replaced
25V reference (crankshaft sensor)
35V reference (throttle body)
5Throttle actuator motor control 2
6Throttle actuator motor control 1
12HO2S heater low control, bank 1 sensor 1
17Injector 8
18Injector 5
19Injector 6
20Injector 1
21Engine coolant temperature (ECT) signal
22ECT low reference
26Knock sensor 1 signal A
27Knock sensor 1 signal B
33Oil level switch signal
34Oil pressure low reference
35Throttle body low reference
37Injector 2
38Injector 3
39Injector 4
40Injector 7
415V reference (oil pressure)
435V reference (MAP)
445V reference (camshaft sensor)
52Camshaft actuator low reference
53MAP low reference
56HO2S low reference, bank 1 sensor 1
57HO2S signal, bank 1 sensor 1 (pre-cat)
58Manifold absolute pressure (MAP) signal
59HO2S signal, bank 2 sensor 1 (pre-cat)
60HO2S low reference, bank 2 sensor 1
63Throttle position sensor 2 signal
64Camshaft position signal (4x)
65Throttle position sensor 1 signal
66Camshaft position low reference
68Crankshaft position signal (58x)
69Crankshaft position low reference
70Ignition coil 1 control
71Ignition coil 8 control
72Ignition coil 7 control
73Ignition coil 2 control
74Ignition coil 6 control
75Ignition coil 5 control
76Ignition coil 4 control
77Ignition coil 3 control
78Coil low reference (odd bank)
79Coil low reference (even bank)
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
22HBO 4
25+12V switched input
26ECR output
27Ignition 1
28Ignition 2
29Ignition 3
30Ignition 4
31Ignition 5
32Ignition 6
33Ignition 7
34Ignition 8
OEM-X2-20 Injector 1
OEM-X2-37 Injector 2
OEM-X2-38 Injector 3
OEM-X2-39 Injector 4
OEM-X2-18 Injector 5
OEM-X2-19 Injector 6
OEM-X2-40 Injector 7
OEM-X2-17 Injector 8
OEM-X1-59 Powertrain relay coil control (main relay)
GND
GND
OEM-X1-17 High speed cooling fan relay
OEM-X1-51 Fuel pump relay control (secondary)
OEM-X1-52 Starter enable relay control
OEM-X1-58 Low speed cooling fan relay
OEM-X1-63 A/C compressor clutch relay
+12V switched input
OEM-X2-6 Throttle actuator motor control 1
OEM-X2-5 Throttle actuator motor control 2
OEM-X1-65 HO2S heater low control, bank 1 sensor 2
OEM-X2-12 HO2S heater low control, bank 1 sensor 1
+12V switched input
OEM-X1-50 Fuel pump relay control (primary)
OEM-X2-70 Ignition coil 1 control
OEM-X2-73 Ignition coil 2 control
OEM-X2-77 Ignition coil 3 control
OEM-X2-76 Ignition coil 4 control
OEM-X2-75 Ignition coil 5 control
OEM-X2-74 Ignition coil 6 control
OEM-X2-72 Ignition coil 7 control
OEM-X2-71 Ignition coil 8 control
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
23Knock 1
24Knock 2
25+5V
26Signal ground
27AVI 10
28AVI 11
33WBI 1 Heater -
OEM-X2-68 Crankshaft position signal (58x)
SP-0V · 14 pins
OEM-X2-64 Camshaft position signal (4x)
SP-0V · 14 pins
OEM-X1-71 VSS high signal (manual trans)
OEM-X1-72 VSS low signal (manual trans)
OEM-X1-9 Brake switch signal
OEM-X2-33 Oil level switch signal
OEM-X1-41 Mass air flow (MAF) signal
OEM-X2-58 Manifold absolute pressure (MAP) signal
OEM-X1-29 Accelerator pedal position (APP) sensor 1 signal
OEM-X2-65 Throttle position sensor 1 signal
OEM-X1-32 Accelerator pedal position (APP) sensor 2 signal
OEM-X2-63 Throttle position sensor 2 signal
OEM-X1-10 HO2S signal, bank 1 sensor 2 (post-cat)
OEM-X1-69 HO2S signal, bank 2 sensor 2 (post-cat)
OEM-X2-57 HO2S signal, bank 1 sensor 1 (pre-cat)
OEM-X2-26 Knock sensor 1 signal A
OEM-X2-27 Knock sensor 1 signal B
5V ref
0V sensor
OEM-X2-59 HO2S signal, bank 2 sensor 1 (pre-cat)
OEM-X2-21 Engine coolant temperature (ECT) signal
OEM-X1-64 HO2S heater low control, bank 2 sensor 2
SP-14V · 5 pins
SP-5V1 · 11 pins
SP-0V · 18 pins
SP-GND · 6 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.