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
ETCS power (TBP, throttle bypass)
KV12-C-8 Analog Input Channel 7
KV12-A-10 Lambda 1 Heater -
KV12-A-11 Lambda 2 Heater -
OEM-E2
Stock ECU being replaced
13ETCS power (TBP, throttle bypass)
24O2 right rear (OXR2)
25O2 heater right rear (HTR2)
26O2 heater left rear (HTL2)
KV12-B-10 Auxiliary Output 1
KV12-B-7 Injection Channel 7
KV12-B-8 Injection Channel 8
ETCS main relay (+BM)
EFI main relay (+B2)
KV12-D-15 Ignition Switch Input
KV12-D-9 EFI Relay Output (Low Side 200mA)
EFI main relay (+B)
OEM-E3
Stock ECU being replaced
4Fuel pump relay (FPR)
5Fuel pump control (FC)
6Check-engine lamp (W)
7ETCS main relay (+BM)
8EFI main relay (+B2)
9Ignition switch (IGSW)
10EFI main relay control (MREL)
16EFI main relay (+B)
KV12-C-30 Digital Input 4
KV12-C-31 Digital Input 5
KV12-C-32 Digital Input 6
KV12-C-9 Analog Input Channel 8
KV12-B-11 Auxiliary Output 2
KV12-C-13 Analog Input Channel 12
OEM-E4
Stock ECU being replaced
2Starter signal (STA)
5Diagnostic/timing check (TC)
6Stop light switch (STP)
8O2 left rear (OXL2)
13A/C clutch relay (ACMG)
18EVAP vapor pressure (PTNK)
KV12-C-28 Digital Input 2
KV12-C-27 Digital Input 1
KV12-A-1 Injection Channel 9
OEM-E5
Stock ECU being replaced
5Vehicle speed sensor (SP2+)
11Vehicle speed sensor (SP2-)
12Canister close valve (CCV)
5V ref
KV12-B-12 Auxiliary Output 3
KV12-B-13 Auxiliary Output 4
KV12-B-1 Injection Channel 1
KV12-B-2 Injection Channel 2
KV12-A-2 Injection Channel 10
KV12-C-7 Analog Input Channel 6
KV12-C-10 Analog Input Channel 9
KV12-C-11 Analog Input Channel 10
KV12-C-6 Analog Input Channel 5
KV12-C-2 Analog Input Channel 1
KV12-C-4 Analog Input Channel 3
GND
0V sensor
0V sensor
KV12-C-12 Analog Input Channel 11
KV12-C-3 Analog Input Channel 2
KV12-C-5 Analog Input Channel 4
OEM-E6
Stock ECU being replaced
2Sensor supply +5V (VC)
3O2 heater right front (HTR)
4O2 heater left front (HTL)
5Injector 1 (#10)
6Injector 2 (#20)
7EVAP purge VSV (PRG)
10Mass air flow (VG)
11O2 right front (OXR1)
12O2 left front (OXL1)
14Coolant temperature (THW)
15Accelerator pedal 1 (VPA)
16Accelerator pedal 2 (VPA2)
17Power ground (E1)
18Sensor ground (E2)
19MAF ground (EVG)
22Intake air temperature (THA)
23Throttle position 1 (VTA)
24Throttle position 2 (VTA2)
KV12-B-3 Injection Channel 3
KV12-B-4 Injection Channel 4
KV12-B-5 Injection Channel 5
KV12-B-6 Injection Channel 6
KV12-A-3 Injection Channel 11
KV12-D-6 Sync Sensor +
KV12-B-26 Ignition Channel 1
KV12-B-27 Ignition Channel 2
KV12-B-28 Ignition Channel 3
KV12-B-14 Auxiliary Output 5
KV12-B-15 Auxiliary Output 6
KV12-B-16 Auxiliary Output 7
KV12-B-17 Auxiliary Output 8
GND
0V sensor
KV12-D-4 Crank Index Sensor +
KV12-C-29 Digital Input 3
KV12-D-17 Knock 2 +
KV12-D-11 Knock 1 +
OEM-E7
Stock ECU being replaced
1Injector 3 (#30)
2Injector 4 (#40)
3Injector 5 (#50)
4Injector 6 (#60)
5ACIS intake VSV
10Cam position (G2)
11Ignition 1 (IGT)
12Ignition 2 (IGT2)
13Ignition 3 (IGT3)
17VVT-i OCV - (OCV-)
18VVT-i OCV + (OCV+)
19ETCS throttle clutch - (CL-)
20ETCS throttle clutch + (CL+)
21Power ground (E01)
22Crank position return (NE-)
23Crank position (NE)
25Igniter feedback (IGF)
27Knock sensor 2 (KNK2)
28Knock sensor 1 (KNK1)
KV12
KV12-A
KV12
1Injection Channel 9
2Injection Channel 10
3Injection Channel 11
10Lambda 1 Heater -
11Lambda 2 Heater -
19ECU Ground
OEM-E5-12 Canister close valve (CCV)
OEM-E6-7 EVAP purge VSV (PRG)
OEM-E7-5 ACIS intake VSV
OEM-E2-25 O2 heater right rear (HTR2)
OEM-E2-26 O2 heater left rear (HTL2)
GND
KV12-B
KV12
1Injection Channel 1
2Injection Channel 2
3Injection Channel 3
4Injection Channel 4
5Injection Channel 5
6Injection Channel 6
7Injection Channel 7
8Injection Channel 8
9ECU Ground
10Auxiliary Output 1
11Auxiliary Output 2
12Auxiliary Output 3
13Auxiliary Output 4
14Auxiliary Output 5
15Auxiliary Output 6
16Auxiliary Output 7
17Auxiliary Output 8
26Ignition Channel 1
27Ignition Channel 2
28Ignition Channel 3
34ECU Ground
OEM-E6-5 Injector 1 (#10)
OEM-E6-6 Injector 2 (#20)
OEM-E7-1 Injector 3 (#30)
OEM-E7-2 Injector 4 (#40)
OEM-E7-3 Injector 5 (#50)
OEM-E7-4 Injector 6 (#60)
OEM-E3-5 Fuel pump control (FC)
OEM-E3-6 Check-engine lamp (W)
GND
OEM-E3-4 Fuel pump relay (FPR)
OEM-E4-13 A/C clutch relay (ACMG)
OEM-E6-3 O2 heater right front (HTR)
OEM-E6-4 O2 heater left front (HTL)
OEM-E7-17 VVT-i OCV - (OCV-)
OEM-E7-18 VVT-i OCV + (OCV+)
OEM-E7-19 ETCS throttle clutch - (CL-)
OEM-E7-20 ETCS throttle clutch + (CL+)
OEM-E7-11 Ignition 1 (IGT)
OEM-E7-12 Ignition 2 (IGT2)
OEM-E7-13 Ignition 3 (IGT3)
GND
KV12-C
KV12
1ECU Ground
2Analog Input Channel 1
3Analog Input Channel 2
4Analog Input Channel 3
5Analog Input Channel 4
6Analog Input Channel 5
7Analog Input Channel 6
8Analog Input Channel 7
9Analog Input Channel 8
10Analog Input Channel 9
11Analog Input Channel 10
12Analog Input Channel 11
13Analog Input Channel 12
17Analog Sensor 0V Reference
25Analog Sensor 0V Reference
26ECU Ground
27Digital Input 1
28Digital Input 2
29Digital Input 3
30Digital Input 4
31Digital Input 5
32Digital Input 6
GND
OEM-E6-15 Accelerator pedal 1 (VPA)
OEM-E6-23 Throttle position 1 (VTA)
OEM-E6-16 Accelerator pedal 2 (VPA2)
OEM-E6-24 Throttle position 2 (VTA2)
OEM-E6-14 Coolant temperature (THW)
OEM-E6-10 Mass air flow (VG)
OEM-E2-24 O2 right rear (OXR2)
OEM-E4-8 O2 left rear (OXL2)
OEM-E6-11 O2 right front (OXR1)
OEM-E6-12 O2 left front (OXL1)
OEM-E6-22 Intake air temperature (THA)
OEM-E4-18 EVAP vapor pressure (PTNK)
0V sensor
0V sensor
GND
OEM-E5-11 Vehicle speed sensor (SP2-)
OEM-E5-5 Vehicle speed sensor (SP2+)
OEM-E7-25 Igniter feedback (IGF)
OEM-E4-2 Starter signal (STA)
OEM-E4-5 Diagnostic/timing check (TC)
OEM-E4-6 Stop light switch (STP)
KV12-D
KV12
1ECU 14V Supply
2Auxiliary Output 13-16 14V Supply
4Crank Index Sensor +
5Crank Index Sensor -
6Sync Sensor +
7Sync Sensor -
9EFI Relay Output (Low Side 200mA)
11Knock 1 +
15Ignition Switch Input
17Knock 2 +
20Auxiliary Output 9-12 14V Supply
21Sensor Supply Vref1: 5.0V
ECU 14V Supply
Auxiliary Output 13-16 14V Supply
OEM-E7-23 Crank position (NE)
SP-0V · 3 pins
OEM-E7-10 Cam position (G2)
SP-0V · 3 pins
OEM-E3-10 EFI main relay control (MREL)
OEM-E7-28 Knock sensor 1 (KNK1)
OEM-E3-9 Ignition switch (IGSW)
OEM-E7-27 Knock sensor 2 (KNK2)
Auxiliary Output 9-12 14V Supply
5V ref
SP-14V · 8 pins
SP-GND · 8 pins
SP-0V · 8 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.
70 / 70 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 | |
|---|---|---|---|---|---|---|---|---|---|
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — |