Not confident with automotive wiring? Have a professional harness builder or tuner do it, or check your work before first power-up. A wiring mistake can damage the ECU, the engine or the car, or start a fire.
100%
Stock ECU being replaced
NEXUSS3-C-33 WBI 1 Heater -
NEXUSS3-A-15 DPO 4
NEXUSS3-C-19 SPI 5
NEXUSS3-C-16 AVI 7
NEXUSS3-A-9 DPO 1
NEXUSS3-C-17 AVI 8
OEM-E11
Stock ECU being replaced
7O2 sensor heater (bank unconfirmed)
8O2 sensor heater (bank unconfirmed)
17Starter signal (STA)
18O2 sensor signal (bank unconfirmed)
19VVT oil-control valve RH (OCR+)
27O2 sensor signal (bank unconfirmed)
OEM-E12
Stock ECU being replaced
5V ref
NEXUSS3-A-16 DPO 5
NEXUSS3-A-17 DPO 6
NEXUSS3-A-1 Injector 1
NEXUSS3-A-2 Injector 2
NEXUSS3-C-14 AVI 5
NEXUSS3-C-10 AVI 1
NEXUSS3-C-18 AVI 9
NEXUSS3-C-27 AVI 10
NEXUSS3-C-11 AVI 2
NEXUSS3-C-15 AVI 6
NEXUSS3-C-6 SPI 2
NEXUSS3-C-5 SPI 1
GND
0V sensor
0V sensor
NEXUSS3-C-13 AVI 4
NEXUSS3-C-12 AVI 3
NEXUSS3-C-28 AVI 11
SP-0V · 2 pins
SP-0V · 2 pins
OEM-E13
Stock ECU being replaced
2+5V sensor reference (VC)
3O2 sensor heater (bank unconfirmed)
4O2 sensor heater (bank unconfirmed)
5Injector 1 (cyl 1)
6Injector 2 (cyl 2)
9Accelerator pedal position 2 (VPA2)
10MAF signal (VG)
11O2 sensor signal (bank unconfirmed)
12O2 sensor signal (bank unconfirmed)
13Throttle position sensor 1 (VTA)
14Engine coolant temp (THW)
15VVT position sensor RH (VVR+)
16VVT position sensor LH (VVL+)
17ECU ground (E1)
18Sensor ground (E2)
19MAF ground (EVG)
20Throttle position sensor 2 (VTA2)
21Accelerator pedal position 1 (VPA)
22Intake air temp (THA)
23VVT position sensor RH (VVR−)
24VVT position sensor LH (VVL−)
NEXUSS3-A-3 Injector 3
NEXUSS3-A-4 Injector 4
NEXUSS3-A-5 Injector 5
NEXUSS3-A-6 Injector 6
NEXUSS3-A-7 Injector 7
NEXUSS3-A-8 Injector 8
NEXUSS3-A-20 HBO 2
NEXUSS3-A-19 HBO 1
NEXUSS3-C-3 Home +
NEXUSS3-A-27 Ignition 1
NEXUSS3-A-28 Ignition 2
NEXUSS3-A-29 Ignition 3
NEXUSS3-A-30 Ignition 4
NEXUSS3-A-31 Ignition 5
NEXUSS3-A-32 Ignition 6
NEXUSS3-C-24 Knock 2
NEXUSS3-C-23 Knock 1
NEXUSS3-A-12 DPO 2
GND
NEXUSS3-C-2 Trigger -
NEXUSS3-C-1 Trigger +
NEXUSS3-A-33 Ignition 7
NEXUSS3-A-34 Ignition 8
NEXUSS3-C-7 SPI 3
NEXUSS3-C-8 SPI 4
OEM-E14
Stock ECU being replaced
1Injector 3 (cyl 3)
2Injector 4 (cyl 4)
3Injector 5 (cyl 5)
4Injector 6 (cyl 6)
5Injector 7 (cyl 7)
6Injector 8 (cyl 8)
7Throttle motor − (M−)
8Throttle motor + (M+)
10Camshaft position sensor (G2)
11Ignition coil 1 (IGT1)
12Ignition coil 2 (IGT2)
13Ignition coil 3 (IGT3)
14Ignition coil 4 (IGT4)
15Ignition coil 5 (IGT5)
16Ignition coil 6 (IGT6)
17Knock sensor RH (KNKR)
18Knock sensor LH (KNKL)
20VVT oil-control valve LH (OCV+)
21Power/injector ground (E01)
22Crank position sensor (NE−)
23Crank position sensor (NE+)
25Ignition coil 7 (IGT7)
26Ignition coil 8 (IGT8)
27Ignition confirmation 1 (IGF1)
28Ignition confirmation 2 (IGF2)
NEXUSS3-A-14 DPO 3
ECM power feed (+BM)
ECM power (EFI relay +B1)
NEXUSS3-A-13 Ignition switch input
NEXUSS3-A-26 ECR output
ECM power (EFI relay +B)
OEM-E15
Stock ECU being replaced
5Fuel pump relay control (FC)
7ECM power feed (+BM)
8ECM power (EFI relay +B1)
9Ignition switch (+12V)
10EFI main relay control (MREL)
16ECM power (EFI relay +B)
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
25+12V switched input
26ECR output
27Ignition 1
28Ignition 2
29Ignition 3
30Ignition 4
31Ignition 5
32Ignition 6
33Ignition 7
34Ignition 8
OEM-E13-5 Injector 1 (cyl 1)
OEM-E13-6 Injector 2 (cyl 2)
OEM-E14-1 Injector 3 (cyl 3)
OEM-E14-2 Injector 4 (cyl 4)
OEM-E14-3 Injector 5 (cyl 5)
OEM-E14-4 Injector 6 (cyl 6)
OEM-E14-5 Injector 7 (cyl 7)
OEM-E14-6 Injector 8 (cyl 8)
OEM-E11-19 VVT oil-control valve RH (OCR+)
GND
GND
OEM-E14-20 VVT oil-control valve LH (OCV+)
OEM-E15-9 Ignition switch (+12V)
OEM-E15-5 Fuel pump relay control (FC)
OEM-E11-8 O2 sensor heater (bank unconfirmed)
OEM-E13-3 O2 sensor heater (bank unconfirmed)
OEM-E13-4 O2 sensor heater (bank unconfirmed)
+12V switched input
OEM-E14-8 Throttle motor + (M+)
OEM-E14-7 Throttle motor − (M−)
+12V switched input
OEM-E15-10 EFI main relay control (MREL)
OEM-E14-11 Ignition coil 1 (IGT1)
OEM-E14-12 Ignition coil 2 (IGT2)
OEM-E14-13 Ignition coil 3 (IGT3)
OEM-E14-14 Ignition coil 4 (IGT4)
OEM-E14-15 Ignition coil 5 (IGT5)
OEM-E14-16 Ignition coil 6 (IGT6)
OEM-E14-25 Ignition coil 7 (IGT7)
OEM-E14-26 Ignition coil 8 (IGT8)
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
23Knock 1
24Knock 2
25+5V
26Signal ground
27AVI 10
28AVI 11
33WBI 1 Heater -
OEM-E14-23 Crank position sensor (NE+)
OEM-E14-22 Crank position sensor (NE−)
OEM-E14-10 Camshaft position sensor (G2)
SP-0V · 4 pins
OEM-E13-16 VVT position sensor LH (VVL+)
OEM-E13-15 VVT position sensor RH (VVR+)
OEM-E14-27 Ignition confirmation 1 (IGF1)
OEM-E14-28 Ignition confirmation 2 (IGF2)
OEM-E13-10 MAF signal (VG)
OEM-E13-13 Throttle position sensor 1 (VTA)
OEM-E13-21 Accelerator pedal position 1 (VPA)
OEM-E13-20 Throttle position sensor 2 (VTA2)
OEM-E13-9 Accelerator pedal position 2 (VPA2)
OEM-E13-14 Engine coolant temp (THW)
OEM-E11-18 O2 sensor signal (bank unconfirmed)
OEM-E11-27 O2 sensor signal (bank unconfirmed)
OEM-E13-11 O2 sensor signal (bank unconfirmed)
OEM-E11-17 Starter signal (STA)
OEM-E14-18 Knock sensor LH (KNKL)
OEM-E14-17 Knock sensor RH (KNKR)
5V ref
0V sensor
OEM-E13-12 O2 sensor signal (bank unconfirmed)
OEM-E13-22 Intake air temp (THA)
OEM-E11-7 O2 sensor heater (bank unconfirmed)
SP-GND · 5 pins
SP-0V · 7 pins
SP-14V · 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.
64 / 64 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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