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
RLY1-R-OUT Relay contact output (switched +12 V to load)
RLY2-R-OUT Relay contact output (switched +12 V to load)
OEM-5
Stock ECU being replaced
F5Front VTEC solenoid valve
F7Rear VTEC solenoid valve
G4XMONSOONX-A-A4 Injector 1
G4XMONSOONX-A-A1 Injector 4
G4XMONSOONX-A-A3 Injector 2
G4XMONSOONX-A-A4 Injector 1
G4XMONSOONX-A-A2 Injector 3
G4XMONSOONX-A-A3 Injector 2
G4XMONSOONX-A-A18 Aux 4
G4XMONSOONX-A-A21 Aux 1
G4XMONSOONX-A-A20 Aux 2
G4XMONSOONX-A-A19 Aux 3
G4XMONSOONX-A-A13 Ignition 1
G4XMONSOONX-A-A12 Ignition 2
GND
GND
ECU power (IGP1)
0V sensor
OEM-A
Stock ECU being replaced
1Injector 1
2Injector 4
3Injector 2
4Injector 5
5Injector 3
6Injector 6
7Main relay
8Fuel pump relay 2 (FLR2)
15A/C clutch relay (ACC)
18Radiator fan control (FANCNTR)
21Ignition coil 1
22Ignition coil 2
23Power ground (PG1)
24Power ground (PG2)
25ECU power (IGP1)
26Sensor ground (LG1)
GND
G4XMONSOONX-A-A10 Ignition 4
G4XMONSOONX-A-A11 Ignition 3
G4XMONSOONX-A-A31 Digital Input 2
0V sensor
G4XMONSOONX-A-A9 Trigger 2
0V sensor
G4XMONSOONX-A-A30 Digital Input 1
0V sensor
G4XMONSOONX-A-A8 Trigger 1
0V sensor
OEM-B
Stock ECU being replaced
2Chassis ground (LG2)
6Ignition coil 4
8Ignition coil 3
9CYL 2P — CYP sensor 2 signal
10CYL 2M — CYP sensor 2 return
11CYL 1P — CYP sensor 1 signal
12CYL 1M — CYP sensor 1 return
13CRNK 2P — TDC sensor signal
14CRNK 2M — TDC sensor return
15CRNK 1P — crank sensor signal
16CRNK 1M — crank sensor return
ECU power (IGP2)
G4XMONSOONX-A-A23 Digital Input 3
OEM-C
Stock ECU being replaced
1ECU power (IGP2)
2Vehicle speed sensor (VSS)
G4XMONSOONX-A-A6 Knock 1 / Digital Input 4
G4XMONSOONX-A-A22 Analog Volt 2
G4XMONSOONX-A-A15 Analog Temp 1
G4XMONSOONX-A-A33 Analog Volt 3
G4XMONSOONX-A-A16 Analog Temp 2
G4XMONSOONX-A-A14 Analog Volt 4
G4XMONSOONX-A-A17 Analog Volt 1
5V ref
5V ref
5V ref
0V sensor
0V sensor
OEM-D
Stock ECU being replaced
4Knock sensor — front
11Throttle position sensor (TPS)
13Engine coolant temperature (ECT)
14Primary O2 sensor
15Intake air temperature (IAT)
16Secondary O2 sensor
17MAP sensor
18+5V sensor supply (VCC)
19+5V sensor supply (VCC)
20+5V sensor supply (VCC)
21Sensor ground (SG)
22Sensor ground (SG)
G4XMONSOONX
G4XMONSOONX-A
G4XMONSOONX
A1Injector 4
A2Injector 3
A3Injector 2
A4Injector 1
A5+14V ECU Power
A6Knock 1 / Digital Input 4
A8Trigger 1
A9Trigger 2
A10Ignition 4
A11Ignition 3
A12Ignition 2
A13Ignition 1
A14Analog Volt 4
A15Analog Temp 1
A16Analog Temp 2
A17Analog Volt 1
A18Aux 4
A19Aux 3
A20Aux 2
A21Aux 1
A22Analog Volt 2
A23Digital Input 3
A24Sensor Ground
A25System Ground
A26Aux 6
A27Aux 5
A30Digital Input 1
A31Digital Input 2
A32+5V Out
A33Analog Volt 3
A34System Ground
OEM-A-2 Injector 4
OEM-A-5 Injector 3
Injector 6 · 2 pins
Injector 1 · 2 pins
+14V ECU Power
OEM-D-4 Knock sensor — front
OEM-B-15 CRNK 1P — crank sensor signal
OEM-B-11 CYL 1P — CYP sensor 1 signal
OEM-B-6 Ignition coil 4
OEM-B-8 Ignition coil 3
OEM-A-22 Ignition coil 2
OEM-A-21 Ignition coil 1
OEM-D-16 Secondary O2 sensor
OEM-D-13 Engine coolant temperature (ECT)
OEM-D-15 Intake air temperature (IAT)
OEM-D-17 MAP sensor
OEM-A-7 Main relay
OEM-A-18 Radiator fan control (FANCNTR)
OEM-A-15 A/C clutch relay (ACC)
OEM-A-8 Fuel pump relay 2 (FLR2)
OEM-D-11 Throttle position sensor (TPS)
OEM-C-2 Vehicle speed sensor (VSS)
0V sensor
GND
RLY2-R-COIL- Relay coil negative (ECU low-side driver)
RLY1-R-COIL- Relay coil negative (ECU low-side driver)
OEM-B-13 CRNK 2P — TDC sensor signal
OEM-B-9 CYL 2P — CYP sensor 2 signal
5V ref
OEM-D-14 Primary 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 · 5 pins
OEM-5-F5 Front VTEC solenoid valve
Relay coil positive (switched +12 V)
G4XMONSOONX-A-A27 Aux 5
RLY2
RLY2-R
RLY2
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 · 5 pins
OEM-5-F7 Rear VTEC solenoid valve
Relay coil positive (switched +12 V)
G4XMONSOONX-A-A26 Aux 6
SP-GND · 6 pins
SP-14V · 8 pins
SP-0V · 9 pins
SP-5V1 · 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.
54 / 54 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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