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-A-A4 Injection 1
G5VOODOONEO4-A-A21 Aux 1
G5VOODOONEO4-A-A20 Aux 2
G5VOODOONEO4-A-A3 Injection 2
G5VOODOONEO4-B-B4 Injection 5
G5VOODOONEO4-B-B3 Injection 6
G5VOODOONEO4-A-A2 Injection 3
G5VOODOONEO4-B-B2 Injection 7
G5VOODOONEO4-B-B1 Injection 8
G5VOODOONEO4-A-A1 Injection 4
G5VOODOONEO4-A-A19 Aux 7 / Digital Input 7
L no data
G5VOODOONEO4-A-A29 Aux 8 / Digital Input 8
G5VOODOONEO4-A-A18 Aux 3 / H-Bridge 1
G5VOODOONEO4-A-A27 Aux 10 / Digital Input 10
ISC valve +14V feed
G5VOODOONEO4-B-B29 Aux 12
G5VOODOONEO4-A-A26 Aux 4 / H-Bridge 1
OEM-2
Stock ECU being replaced
AInjector 1
BCooling fan relay
CCondenser fan relay
DInjector 2
EEGR valve
FEGR valve
GInjector 3
HEGR valve
IEGR valve
JInjector 4
KA/C clutch relay
L no data
MFuel pump relay
NVTCS solenoid (intake butterflies)
OFuel pump relay (non-immobiliser)
PISC valve +14V feed
QISC valve low side
RMalfunction indicator lamp (MIL)
GND
GND
G5VOODOONEO4-B-B18 Aux 5 / H-Bridge 2
E no data
G5VOODOONEO4-A-A13 Ignition 1
G no data
G5VOODOONEO4-A-A28 Aux 9 / Digital Input 9
G5VOODOONEO4-A-A12 Ignition 2
G5VOODOONEO4-B-B10 Heat
G5VOODOONEO4-B-B26 Aux 6 / H-Bridge 2
L no data
N no data
G5VOODOONEO4-B-B30 Aux 11
R no data
G5VOODOONEO4-A-A31 Digital Input 2
G5VOODOONEO4-A-A30 Digital Input 1
G5VOODOONEO4-A-A9 Trigger 2
W–X no data
G5VOODOONEO4-A-A8 Trigger 1
Z no data
OEM-3
Stock ECU being replaced
APower ground
BPower ground
CPurge solenoid valve
E no data
FIgnition 1 (coils 1+4, wasted spark)
G no data
HMain relay
IIgnition 2 (coils 2+3, wasted spark)
JFront O2 heater
KEVAP leak detection pump
L no data
N no data
PRear O2 heater
R no data
SImmobiliser
TVehicle speed
VCam position (CMP)
W–X no data
YCrank position (CKP)
Z no data
GND
G5VOODOONEO4-A-A23 Digital Input 3
G5VOODOONEO4-B-B21 Digital Input 4
VVT oil-control solenoid +12V feed
G5VOODOONEO4-B-B20 Digital Input 5 / K-Line
G no data
G5VOODOONEO4-B-B19 Digital Input 6
G5VOODOONEO4-B-B16 ADIO 4
G5VOODOONEO4-B-B23 ADIO 5
K no data
5V ref
G5VOODOONEO4-B-B9 Knock 1
G5VOODOONEO4-A-A16 Analogue Temp 2
0V sensor
G5VOODOONEO4-A-A15 Analogue Temp 1
Q no data
G5VOODOONEO4-A-A6 Ignition Switch
U no data
G5VOODOONEO4-A-A22 Analogue Volt 2
G5VOODOONEO4-A-A33 Analogue Volt 3
G5VOODOONEO4-A-A14 ADIO 1
Y no data
G5VOODOONEO4-B-B33 ADIO 2
AB no data
G5VOODOONEO4-B-B15 ADIO 3
G5VOODOONEO4-A-A17 Analogue Volt 1
ECU power +14V (main relay)
OEM-4
Stock ECU being replaced
APower ground
BBrake switch
CPower steering pressure switch
DVVT oil-control solenoid +12V feed
FA/C request
G no data
HNeutral switch
IClutch switch
JVTCS vacuum switch
K no data
L+5V sensor supply
MKnock sensor
NIntake air temperature (IAT)
OSignal ground
PCoolant temperature (ECT)
Q no data
SIgnition switch (IG1) sense
U no data
VThrottle position (TPS)
WFront O2 signal
XMass air flow (MAF)
Y no data
AARear O2 signal
AB no data
ADFuel level
AEPressure sensor (Mazda: EGR boost sensor)
AFECU power +14V (main relay)
G5VOODOONEO4
G5VOODOONEO4-A
G5VOODOONEO4
A1Injection 4
A2Injection 3
A3Injection 2
A4Injection 1
A5+14V
A6Ignition Switch
A8Trigger 1
A9Trigger 2
A12Ignition 2
A13Ignition 1
A14ADIO 1
A15Analogue Temp 1
A16Analogue Temp 2
A17Analogue Volt 1
A18Aux 3 / H-Bridge 1
A19Aux 7 / Digital Input 7
A20Aux 2
A21Aux 1
A22Analogue Volt 2
A23Digital Input 3
A24Sensor Ground
A25Ground
A26Aux 4 / H-Bridge 1
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-2-J Injector 4
OEM-2-G Injector 3
OEM-2-D Injector 2
OEM-2-A Injector 1
+14V
OEM-4-S Ignition switch (IG1) sense
OEM-3-Y Crank position (CKP)
OEM-3-V Cam position (CMP)
OEM-3-I Ignition 2 (coils 2+3, wasted spark)
OEM-3-F Ignition 1 (coils 1+4, wasted spark)
OEM-4-X Mass air flow (MAF)
OEM-4-P Coolant temperature (ECT)
OEM-4-N Intake air temperature (IAT)
OEM-4-AE Pressure sensor (Mazda: EGR boost sensor)
OEM-2-N VTCS solenoid (intake butterflies)
OEM-2-K A/C clutch relay
OEM-2-C Condenser fan relay
OEM-2-B Cooling fan relay
OEM-4-V Throttle position (TPS)
OEM-4-B Brake switch
0V sensor
GND
OEM-2-R Malfunction indicator lamp (MIL)
OEM-2-O Fuel pump relay (non-immobiliser)
OEM-3-H Main relay
OEM-2-M Fuel pump relay
OEM-3-T Vehicle speed
OEM-3-S Immobiliser
5V ref
OEM-4-W Front O2 signal
GND
G5VOODOONEO4-B
G5VOODOONEO4
B1Injection 8
B2Injection 7
B3Injection 6
B4Injection 5
B5+14V E-Throttle
B9Knock 1
B10Heat
B15ADIO 3
B16ADIO 4
B18Aux 5 / H-Bridge 2
B19Digital Input 6
B20Digital Input 5 / K-Line
B21Digital Input 4
B22Sensor Ground
B23ADIO 5
B25Ground
B26Aux 6 / H-Bridge 2
B29Aux 12
B30Aux 11
B33ADIO 2
B34Ground
OEM-2-I EGR valve
OEM-2-H EGR valve
OEM-2-F EGR valve
OEM-2-E EGR valve
+14V E-Throttle
OEM-4-M Knock sensor
OEM-3-J Front O2 heater
OEM-4-AD Fuel level
OEM-4-I Clutch switch
OEM-3-C Purge solenoid valve
OEM-4-H Neutral switch
OEM-4-F A/C request
OEM-4-C Power steering pressure switch
0V sensor
OEM-4-J VTCS vacuum switch
GND
OEM-3-K EVAP leak detection pump
OEM-2-Q ISC valve low side
OEM-3-P Rear O2 heater
OEM-4-AA Rear O2 signal
GND
SP-GND · 8 pins
SP-14V · 6 pins
SP-0V · 4 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.