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
G5VOODOONEO4-B-B4 Injection 5
G5VOODOONEO4-B-B1 Injection 8
5 no data
7–8 no data
G5VOODOONEO4-A-A31 Digital Input 2
11 no data
G5VOODOONEO4-B-B3 Injection 6
14 no data
G5VOODOONEO4-A-A21 Aux 1
G5VOODOONEO4-A-A19 Aux 7 / Digital Input 7
G5VOODOONEO4-A-A29 Aux 8 / Digital Input 8
G5VOODOONEO4-B-B2 Injection 7
G5VOODOONEO4-A-A28 Aux 9 / Digital Input 9
22 no data
G5VOODOONEO4-A-A22 Analogue Volt 2
G5VOODOONEO4-B-B21 Digital Input 4
G5VOODOONEO4-B-B20 Digital Input 5 / K-Line
G5VOODOONEO4-B-B19 Digital Input 6
G5VOODOONEO4-A-A27 Aux 10 / Digital Input 10
G5VOODOONEO4-B-B15 ADIO 3
G5VOODOONEO4-B-B16 ADIO 4
31 no data
G5VOODOONEO4-B-B24 ADIO 6
OEM-A
Stock ECU being replaced
1Coolant temp gauge drive
2Air control valve solenoid
5 no data
7–8 no data
9Vehicle speed sensor
11 no data
12Immobilizer indicator light
14 no data
15Fuel pump relay (USDM)
16Fuel pump relay (JDM)
17A/C clutch relay
18Check engine light (MIL)
20Radiator fan relay
22 no data
23Secondary O2 sensor
24Starter switch signal
26Power steering load detect
27A/C switch (request)
28Air pump relay
29Fuel tank pressure sensor
30Electrical load detector
31 no data
32Brake switch
Power source 1 (main relay)
GND
G5VOODOONEO4-A-A3 Injection 2
G5VOODOONEO4-A-A2 Injection 3
G5VOODOONEO4-A-A1 Injection 4
6–8 no data
Power source 2 (main relay)
GND
G5VOODOONEO4-A-A4 Injection 1
RLY1-R-OUT Relay contact output (switched +12 V to load)
13–19 no data
GND
GND
G5VOODOONEO4-B-B29 Aux 12
24–25 no data
OEM-B
Stock ECU being replaced
1Power source 1 (main relay)
2Power ground 1
3Injector 2
4Injector 3
5Injector 4
6–8 no data
9Power source 2 (main relay)
10Power ground 2
11Injector 1
12VTEC solenoid
13–19 no data
20Ground
22Ground
23Idle air control valve
24–25 no data
G5VOODOONEO4-B-B10 Heat
G5VOODOONEO4-A-A13 Ignition 1
G5VOODOONEO4-A-A23 Digital Input 3
6 no data
0V sensor
G5VOODOONEO4-A-A8 Trigger 1
SP-0V · 2 pins
G5VOODOONEO4-B-B30 Aux 11
G5VOODOONEO4-A-A12 Ignition 2
G5VOODOONEO4-A-A11 Ignition 3
G5VOODOONEO4-A-A10 Ignition 4
G5VOODOONEO4-B-B33 ADIO 2
G5VOODOONEO4-A-A33 Analogue Volt 3
G5VOODOONEO4-A-A14 ADIO 1
0V sensor
5V ref
G5VOODOONEO4-A-A9 Trigger 2
SP-0V · 2 pins
23 no data
G5VOODOONEO4-B-B23 ADIO 5
G5VOODOONEO4-A-A16 Analogue Temp 2
G5VOODOONEO4-A-A15 Analogue Temp 1
G5VOODOONEO4-A-A17 Analogue Volt 1
5V ref
G5VOODOONEO4-A-A30 Digital Input 1
0V sensor
0V sensor
OEM-C
Stock ECU being replaced
1Primary O2 heater
4Ignition coil 1
5Alternator FR signal
6 no data
7Sensor ground 1
8Crank sensor + (CKP+)
9Crank sensor − (CKP−)
11Secondary O2 heater control
12Ignition coil 2
13Ignition coil 3
14Ignition coil 4
15Secondary O2 sensor
16Primary O2 sensor
17MAP sensor
18Sensor ground 2
19Sensor 5V supply 1 (MAP)
20Cam (TDC1) sensor +
21Cam (TDC1) sensor −
23 no data
24Air pump electric current sensor
25Intake air temp sensor
26Coolant temp sensor
27Throttle position sensor
28Sensor 5V supply 2
29Cam (TDC2) sensor +
30Cam (TDC2) sensor −
31Timing ground
1–16 no data
OEM-D
Stock ECU being replaced
1–16 no data
G5VOODOONEO4
G5VOODOONEO4-A
G5VOODOONEO4
A1Injection 4
A2Injection 3
A3Injection 2
A4Injection 1
A5+14V
A8Trigger 1
A9Trigger 2
A10Ignition 4
A11Ignition 3
A12Ignition 2
A13Ignition 1
A14ADIO 1
A15Analogue Temp 1
A16Analogue Temp 2
A17Analogue Volt 1
A19Aux 7 / Digital Input 7
A20Aux 2
A21Aux 1
A22Analogue Volt 2
A23Digital Input 3
A24Sensor Ground
A25Ground
A27Aux 10 / Digital Input 10
A28Aux 9 / Digital Input 9
A29Aux 8 / Digital Input 8
A30Digital Input 1
A31Digital Input 2
A32+5V Out
A33Analogue Volt 3
A34Ground
OEM-B-5 Injector 4
OEM-B-4 Injector 3
OEM-B-3 Injector 2
OEM-B-11 Injector 1
+14V
OEM-C-8 Crank sensor + (CKP+)
OEM-C-20 Cam (TDC1) sensor +
OEM-C-14 Ignition coil 4
OEM-C-13 Ignition coil 3
OEM-C-12 Ignition coil 2
OEM-C-4 Ignition coil 1
OEM-C-17 MAP sensor
OEM-C-26 Coolant temp sensor
OEM-C-25 Intake air temp sensor
OEM-C-27 Throttle position sensor
OEM-A-16 Fuel pump relay (JDM)
RLY1-R-COIL- Relay coil negative (ECU low-side driver)
OEM-A-15 Fuel pump relay (USDM)
OEM-A-23 Secondary O2 sensor
OEM-C-5 Alternator FR signal
0V sensor
GND
OEM-A-28 Air pump relay
OEM-A-20 Radiator fan relay
OEM-A-17 A/C clutch relay
OEM-C-29 Cam (TDC2) sensor +
OEM-A-9 Vehicle speed sensor
5V ref
OEM-C-16 Primary O2 sensor
GND
G5VOODOONEO4-B
G5VOODOONEO4
B1Injection 8
B2Injection 7
B3Injection 6
B4Injection 5
B5+14V E-Throttle
B10Heat
B15ADIO 3
B16ADIO 4
B19Digital Input 6
B20Digital Input 5 / K-Line
B21Digital Input 4
B22Sensor Ground
B23ADIO 5
B24ADIO 6
B25Ground
B29Aux 12
B30Aux 11
B33ADIO 2
B34Ground
OEM-A-2 Air control valve solenoid
OEM-A-18 Check engine light (MIL)
OEM-A-12 Immobilizer indicator light
OEM-A-1 Coolant temp gauge drive
+14V E-Throttle
OEM-C-1 Primary O2 heater
OEM-A-29 Fuel tank pressure sensor
OEM-A-30 Electrical load detector
OEM-A-27 A/C switch (request)
OEM-A-26 Power steering load detect
OEM-A-24 Starter switch signal
0V sensor
OEM-C-24 Air pump electric current sensor
OEM-A-32 Brake switch
GND
OEM-B-23 Idle air control valve
OEM-C-11 Secondary O2 heater control
OEM-C-15 Secondary O2 sensor
GND
RLY1
RLY1-R
RLY1
INRelay contact input (switched +12 V)
OUTRelay contact output (switched +12 V to load)
COIL+Relay coil positive (switched +12 V)
COIL-Relay coil negative (ECU low-side driver)
SP-14V · 4 pins
OEM-B-12 VTEC solenoid
Relay coil positive (switched +12 V)
G5VOODOONEO4-A-A20 Aux 2
SP-GND · 9 pins
SP-14V · 7 pins
SP-5V1 · 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.
66 / 66 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
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