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
G4XATOMX-A-A6 Knock 1
Ignition power 2
Ignition power 1
GND
GND
G4XATOMX-A-A9 Trigger 2
G4XATOMX-A-A8 Trigger 1
GND
GND
11–12 no data
G4XATOMX-A-A10 Ignition 4
G4XATOMX-A-A11 Ignition 3
G4XATOMX-A-A12 Ignition 2
G4XATOMX-A-A13 Ignition 1
17 no data
G4XATOMX-A-A30 Digital Input 1
19 no data
5V ref
22 no data
0V sensor
27 no data
29 no data
G4XATOMX-A-A17 Analog Volt 1
OEM-A
Stock ECU being replaced
1Knock sensor
2Ignition power 2
3Ignition power 1
4Power ground 2
5Power ground 1
6Cam position sensor (T2)
7Crank position sensor (T1)
8Logic ground 2
9Logic ground 1
11–12 no data
13Ignition coil 4
14Ignition coil 3
15Ignition coil 2
16Ignition coil 1
17 no data
18Vehicle speed sensor
19 no data
21Sensor voltage 1
22 no data
24Sensor ground 1
27 no data
29 no data
30MAP sensor
1 no data
G4XATOMX-A-A1 Injector 4
G4XATOMX-A-A2 Injector 3
G4XATOMX-A-A3 Injector 2
G4XATOMX-A-A4 Injector 1
RLY1-R-OUT Relay contact output (switched +12 V to load)
7 no data
G4XATOMX-A-A15 Analog Temp 1
9 no data
G4XATOMX-A-A31 Digital Input 2
12 no data
14 no data
16 no data
22–24 no data
OEM-B
Stock ECU being replaced
1 no data
2Injector 4
3Injector 3
4Injector 2
5Injector 1
6VTEC solenoid
7 no data
8Coolant temp sensor
9 no data
11VTEC oil pressure switch
12 no data
14 no data
16 no data
22–24 no data
2–3 no data
5–6 no data
10–14 no data
16–17 no data
OEM-D
Stock ECU being replaced
2–3 no data
5–6 no data
10–14 no data
16–17 no data
G4XATOMX-A-A16 Analog Temp 2
2 no data
GND
6 no data
G4XATOMX-A-A20 Aux 2
10 no data
G4XATOMX-A-A28 CAN H
G4XATOMX-A-A21 Aux 1
23 no data
G4XATOMX-A-A29 CAN L
31 no data
OEM-E
Stock ECU being replaced
1Coolant temp sensor 2
2 no data
3Logic ground 3
6 no data
7Main relay control
10 no data
11CAN H
17Fuel pump relay
23 no data
24CAN L
31 no data
G4XATOMX
G4XATOMX-A
G4XATOMX
A1Injector 4
A2Injector 3
A3Injector 2
A4Injector 1
A5+14V ECU Power
A6Knock 1
A8Trigger 1
A9Trigger 2
A10Ignition 4
A11Ignition 3
A12Ignition 2
A13Ignition 1
A15Analog Temp 1
A16Analog Temp 2
A17Analog Volt 1
A19Aux 3
A20Aux 2
A21Aux 1
A24Sensor Ground
A25System Ground
A28CAN H
A29CAN L
A30Digital Input 1
A31Digital Input 2
A32+5V Out
A33Analog Volt 3
A34System Ground
OEM-B-2 Injector 4
OEM-B-3 Injector 3
OEM-B-4 Injector 2
OEM-B-5 Injector 1
+14V ECU Power
OEM-A-1 Knock sensor
OEM-A-7 Crank position sensor (T1)
OEM-A-6 Cam position sensor (T2)
OEM-A-13 Ignition coil 4
OEM-A-14 Ignition coil 3
OEM-A-15 Ignition coil 2
OEM-A-16 Ignition coil 1
OEM-B-8 Coolant temp sensor
OEM-E-1 Coolant temp sensor 2
OEM-A-30 MAP sensor
RLY1-R-COIL- Relay coil negative (ECU low-side driver)
OEM-E-7 Main relay control
OEM-E-17 Fuel pump relay
0V sensor
GND
OEM-E-11 CAN H
OEM-E-24 CAN L
OEM-A-18 Vehicle speed sensor
OEM-B-11 VTEC oil pressure switch
5V ref
TPS-J-SIG Throttle position signal
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 · 3 pins
OEM-B-6 VTEC solenoid
Relay coil positive (switched +12 V)
G4XATOMX-A-A19 Aux 3
TPS
TPS-J
TPS
GNDSensor ground
SIGThrottle position signal
VCC5V supply in
0V sensor
G4XATOMX-A-A33 Analog Volt 3
5V supply in
SP-14V · 6 pins
SP-GND · 8 pins
SP-5V1 · 5 pins
SP-0V · 4 pins
SP-5V · 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.
42 / 42 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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