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
GND
GND
MAIN-R-COIL+ Relay coil positive (ignition-switched +12V)
G5VOODOONEO6-B-B10 Heat
ECM power (J271 relay feed)
G5VOODOONEO6-A-A28 Injection 11 / Digital Input 9
G5VOODOONEO6-B-B3 Injection 6
G5VOODOONEO6-A-A31 Digital Input 2
0V sensor
G5VOODOONEO6-A-A22 Analogue Volt 2
0V sensor
G5VOODOONEO6-A-A33 Analogue Volt 3
0V sensor
G5VOODOONEO6-A-A23 Digital Input 3
G5VOODOONEO6-B-B21 Digital Input 4
G5VOODOONEO6-B-B20 Digital Input 5 / K-Line
G5VOODOONEO6-B-B19 Digital Input 6
G5VOODOONEO6-A-A27 Injection 12 / Digital Input 10
G5VOODOONEO6-B-B24 ADIO 6
G5VOODOONEO6-B-B31 IPE
G5VOODOONEO6-A-A14 ADIO 1
G5VOODOONEO6-A-A30 Digital Input 1
G5VOODOONEO6-B-B28 CAN 2 Low
G5VOODOONEO6-B-B27 CAN 2 High
G5VOODOONEO6-B-B4 Injection 5
G5VOODOONEO6-A-A21 Aux 1
G5VOODOONEO6-A-A20 Aux 2
G5VOODOONEO6-B-B16 ADIO 4
G5VOODOONEO6-B-B23 ADIO 5
G5VOODOONEO6-B-B11 MES
5V ref
5V ref
G5VOODOONEO6-B-B2 Injection 7
G5VOODOONEO6-A-A8 Trigger 1
5V ref
G5VOODOONEO6-B-B33 ADIO 2
G5VOODOONEO6-A-A16 Analogue Temp 2
G5VOODOONEO6-A-A9 Trigger 2
G5VOODOONEO6-A-A1 Injection 4
G5VOODOONEO6-A-A3 Injection 2
0V sensor
0V sensor
G5VOODOONEO6-B-B15 ADIO 3
G5VOODOONEO6-A-A15 Analogue Temp 1
G5VOODOONEO6-A-A10 Ignition 4
G5VOODOONEO6-A-A12 Ignition 2
G5VOODOONEO6-A-A4 Injection 1
G5VOODOONEO6-A-A2 Injection 3
5V ref
5V ref
G5VOODOONEO6-A-A17 Analogue Volt 1
G5VOODOONEO6-A-A13 Ignition 1
G5VOODOONEO6-A-A11 Ignition 3
G5VOODOONEO6-B-B1 Injection 8
G5VOODOONEO6-A-A19 Injection 9 / Digital Input 7
G5VOODOONEO6-B-B9 Knock 1
G5VOODOONEO6-B-B8 Knock 2
0V sensor
G5VOODOONEO6-A-A29 Injection 10 / Digital Input 8
G5VOODOONEO6-A-A18 Aux 3 / H-Bridge 1
G5VOODOONEO6-A-A26 Aux 4 / H-Bridge 1
ECM + coil power (J271 relay feed)
OEM-T121
Stock ECU being replaced
1ECU ground
2ECU ground
3Ignition switch +12V (term 15)
5Wideband lambda heater (Z19)
21ECM power (J271 relay feed)
22Brake vacuum pump (V192)
25V144 Evaporative diagnostic pump (Pin 2)
28Alternator DF terminal (charge warning)
29MAF sensor ground (G70)
33Accelerator pedal position 1 (G79)
34Accelerator pedal position 1 ground (G79)
35Accelerator pedal position 2 (G185)
36Accelerator pedal position 2 ground (G185)
38Cruise control switch (E45)
39Clutch pedal switch (F36)
40A/C signal
41A/C signal
47Check engine light (MIL)
49Power steering pressure switch (F88)
51Wideband lambda pump (G39)
53MAF sensor signal (G70)
54Road speed signal (VSS)
58CAN bus low
60CAN bus high
63Post-cat lambda heater (Z29)
65Fuel pump relay control
66Secondary-air pump relay (J299)
68Post-cat lambda signal (G130)
69Post-cat lambda signal (G130)
70Wideband lambda Nernst signal (G39)
72Accelerator pedal position 1 5V supply (G79)
73Accelerator pedal position 2 5V supply (G185)
80V144 Evap Diagnostic Pump (Pin 1)
82Crank position sensor (G28)
83Throttle position sensor 5V supply (G187/G188)
84Throttle position sensor 1 (G187)
85Intake air temperature (G42)
86Camshaft position sensor (G40)
88Injector 4 (N33)
89Injector 2 (N31)
90Crank position sensor ground (G28)
91Throttle position sensor ground (G187/G188)
92Throttle position sensor 2 (G188)
93Engine coolant temperature (G62)
94Ignition coil 4 (N163)
95Ignition coil 2 (N128)
96Injector 1 (N30)
97Injector 3 (N32)
98Cam + boost sensor 5V supply (G40/G31)
99Knock sensor 5V supply (G61/G66)
101Boost pressure sensor (G31)
102Ignition coil 1 (N127)
103Ignition coil 3 (N158)
104Boost control solenoid (N75)
105Diverter valve (N249)
106Knock sensor 1 (G61)
107Knock sensor 2 (G66)
108Sensor ground
115VVT camshaft adjustment valve (N205)
117Throttle motor G186 (+)
118Throttle motor G186 (−)
121ECM + coil power (J271 relay feed)
G5VOODOONEO6
G5VOODOONEO6-A
G5VOODOONEO6
A1Injection 4
A2Injection 3
A3Injection 2
A4Injection 1
A5+14V
A6Ignition Switch
A8Trigger 1
A9Trigger 2
A10Ignition 4
A11Ignition 3
A12Ignition 2
A13Ignition 1
A14ADIO 1
A15Analogue Temp 1
A16Analogue Temp 2
A17Analogue Volt 1
A18Aux 3 / H-Bridge 1
A19Injection 9 / Digital Input 7
A20Aux 2
A21Aux 1
A22Analogue Volt 2
A23Digital Input 3
A24Sensor Ground
A25Ground
A26Aux 4 / H-Bridge 1
A27Injection 12 / Digital Input 10
A28Injection 11 / Digital Input 9
A29Injection 10 / Digital Input 8
A30Digital Input 1
A31Digital Input 2
A32+5V Out
A33Analogue Volt 3
A34Ground
OEM-T121-88 Injector 4 (N33)
OEM-T121-97 Injector 3 (N32)
OEM-T121-89 Injector 2 (N31)
OEM-T121-96 Injector 1 (N30)
+14V
NEW-KEYON
OEM-T121-82 Crank position sensor (G28)
OEM-T121-86 Camshaft position sensor (G40)
OEM-T121-94 Ignition coil 4 (N163)
OEM-T121-103 Ignition coil 3 (N158)
OEM-T121-95 Ignition coil 2 (N128)
OEM-T121-102 Ignition coil 1 (N127)
OEM-T121-53 MAF sensor signal (G70)
OEM-T121-93 Engine coolant temperature (G62)
OEM-T121-85 Intake air temperature (G42)
OEM-T121-101 Boost pressure sensor (G31)
OEM-T121-117 Throttle motor G186 (+)
OEM-T121-105 Diverter valve (N249)
OEM-T121-66 Secondary-air pump relay (J299)
OEM-T121-65 Fuel pump relay control
OEM-T121-33 Accelerator pedal position 1 (G79)
OEM-T121-38 Cruise control switch (E45)
0V sensor
GND
OEM-T121-118 Throttle motor G186 (−)
OEM-T121-47 Check engine light (MIL)
OEM-T121-22 Brake vacuum pump (V192)
OEM-T121-115 VVT camshaft adjustment valve (N205)
OEM-T121-54 Road speed signal (VSS)
OEM-T121-28 Alternator DF terminal (charge warning)
5V ref
OEM-T121-35 Accelerator pedal position 2 (G185)
GND
G5VOODOONEO6-B
G5VOODOONEO6
B1Injection 8
B2Injection 7
B3Injection 6
B4Injection 5
B5+14V E-Throttle
B8Knock 2
B9Knock 1
B10Heat
B11MES
B15ADIO 3
B16ADIO 4
B19Digital Input 6
B20Digital Input 5 / K-Line
B21Digital Input 4
B22Sensor Ground
B23ADIO 5
B24ADIO 6
B25Ground
B27CAN 2 High
B28CAN 2 Low
B31IPE
B33ADIO 2
B34Ground
OEM-T121-104 Boost control solenoid (N75)
OEM-T121-80 V144 Evap Diagnostic Pump (Pin 1)
OEM-T121-25 V144 Evaporative diagnostic pump (Pin 2)
OEM-T121-63 Post-cat lambda heater (Z29)
+14V E-Throttle
OEM-T121-107 Knock sensor 2 (G66)
OEM-T121-106 Knock sensor 1 (G61)
OEM-T121-5 Wideband lambda heater (Z19)
OEM-T121-70 Wideband lambda Nernst signal (G39)
OEM-T121-92 Throttle position sensor 2 (G188)
OEM-T121-68 Post-cat lambda signal (G130)
OEM-T121-41 A/C signal
OEM-T121-40 A/C signal
OEM-T121-39 Clutch pedal switch (F36)
0V sensor
OEM-T121-69 Post-cat lambda signal (G130)
OEM-T121-49 Power steering pressure switch (F88)
GND
OEM-T121-60 CAN bus high
OEM-T121-58 CAN bus low
OEM-T121-51 Wideband lambda pump (G39)
OEM-T121-84 Throttle position sensor 1 (G187)
GND
MAIN
MAIN-R
MAIN
INRelay contact input (battery + via main fuse)
OUTRelay contact output (switched +12V bus)
COIL+Relay coil positive (ignition-switched +12V)
COIL-Relay coil negative (ECU low-side driver)
NEW-BATT
G5VOODOONEO6-A-A5 +14V
Relay coil positive (ignition-switched +12V)
SP-GND · 6 pins
◯New feed: NEW-KEYON
SP-0V · 9 pins
SP-GND · 8 pins
SP-14V · 4 pins
SP-5V1 · 7 pins
◯New feed: NEW-BATT
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.
74 / 74 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
| Wire | From | To | Signal | Gauge | Colour | Stripe | Ident | Flags | |
|---|---|---|---|---|---|---|---|---|---|
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — |