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
KV12-A-10 Lambda 1 Heater -
KV12-A-11 Lambda 2 Heater -
KV12-C-29 Digital Input 3
KV12-C-8 Analog Input Channel 7
KV12-B-14 Auxiliary Output 5
KV12-C-9 Analog Input Channel 8
KV12-B-11 Auxiliary Output 2
OEM-E11
Stock ECU being replaced
7O2 sensor heater (bank unconfirmed)
8O2 sensor heater (bank unconfirmed)
17Starter signal (STA)
18O2 sensor signal (bank unconfirmed)
19VVT oil-control valve RH (OCR+)
27O2 sensor signal (bank unconfirmed)
28VVT oil-control valve RH (OCR−)
KV12-B-12 Auxiliary Output 3
OEM-E12
Stock ECU being replaced
12Throttle magnetic clutch + (CL+)
5V ref
KV12-B-17 Auxiliary Output 8
KV12-B-10 Auxiliary Output 1
KV12-B-1 Injection Channel 1
KV12-B-2 Injection Channel 2
KV12-B-13 Auxiliary Output 4
KV12-C-6 Analog Input Channel 5
KV12-C-2 Analog Input Channel 1
KV12-C-10 Analog Input Channel 9
KV12-C-11 Analog Input Channel 10
KV12-C-3 Analog Input Channel 2
KV12-C-7 Analog Input Channel 6
GND
0V sensor
0V sensor
KV12-C-5 Analog Input Channel 4
KV12-C-4 Analog Input Channel 3
KV12-C-12 Analog Input Channel 11
OEM-E13
Stock ECU being replaced
2+5V sensor reference (VC)
3O2 sensor heater (bank unconfirmed)
4O2 sensor heater (bank unconfirmed)
5Injector 1 (cyl 1)
6Injector 2 (cyl 2)
8Throttle magnetic clutch − (CL−)
9Accelerator pedal position 2 (VPA2)
10MAF signal (VG)
11O2 sensor signal (bank unconfirmed)
12O2 sensor signal (bank unconfirmed)
13Throttle position sensor 1 (VTA)
14Engine coolant temp (THW)
17ECU ground (E1)
18Sensor ground (E2)
19MAF ground (EVG)
20Throttle position sensor 2 (VTA2)
21Accelerator pedal position 1 (VPA)
22Intake air temp (THA)
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-B-7 Injection Channel 7
KV12-B-8 Injection Channel 8
KV12-B-19 Auxiliary Output 10
KV12-B-18 Auxiliary Output 9
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-29 Ignition Channel 4
KV12-B-30 Ignition Channel 5
KV12-B-31 Ignition Channel 6
KV12-D-17 Knock 2 +
KV12-D-11 Knock 1 +
KV12-A-1 Injection Channel 9
KV12-B-15 Auxiliary Output 6
GND
KV12-D-5 Crank Index Sensor -
KV12-D-4 Crank Index Sensor +
KV12-B-32 Ignition Channel 7
KV12-B-33 Ignition Channel 8
KV12-C-27 Digital Input 1
KV12-C-28 Digital Input 2
KV12-A-2 Injection Channel 10
OEM-E14
Stock ECU being replaced
1Injector 3 (cyl 3)
2Injector 4 (cyl 4)
3Injector 5 (cyl 5)
4Injector 6 (cyl 6)
5Injector 7 (cyl 7)
6Injector 8 (cyl 8)
7Throttle motor − (M−)
8Throttle motor + (M+)
10Camshaft position sensor (G2)
11Ignition coil 1 (IGT1)
12Ignition coil 2 (IGT2)
13Ignition coil 3 (IGT3)
14Ignition coil 4 (IGT4)
15Ignition coil 5 (IGT5)
16Ignition coil 6 (IGT6)
17Knock sensor RH (KNKR)
18Knock sensor LH (KNKL)
19VVT oil-control valve LH (OCV−)
20VVT oil-control valve LH (OCV+)
21Power/injector ground (E01)
22Crank position sensor (NE−)
23Crank position sensor (NE+)
25Ignition coil 7 (IGT7)
26Ignition coil 8 (IGT8)
27Ignition confirmation 1 (IGF1)
28Ignition confirmation 2 (IGF2)
29ACIS induction VSV
KV12-B-16 Auxiliary Output 7
KV12-A-3 Injection Channel 11
ECM power feed (+BM)
ECM power (EFI relay +B1)
KV12-D-15 Ignition Switch Input
KV12-D-9 EFI Relay Output (Low Side 200mA)
ECM power (EFI relay +B)
OEM-E15
Stock ECU being replaced
5Fuel pump relay control (FC)
6Check engine light (W)
7ECM power feed (+BM)
8ECM power (EFI relay +B1)
9Ignition switch (+12V)
10EFI main relay control (MREL)
16ECM power (EFI relay +B)
KV12
KV12-A
KV12
1Injection Channel 9
2Injection Channel 10
3Injection Channel 11
10Lambda 1 Heater -
11Lambda 2 Heater -
19ECU Ground
OEM-E14-19 VVT oil-control valve LH (OCV−)
OEM-E14-29 ACIS induction VSV
OEM-E15-6 Check engine light (W)
OEM-E11-7 O2 sensor heater (bank unconfirmed)
OEM-E11-8 O2 sensor heater (bank unconfirmed)
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
18Auxiliary Output 9
19Auxiliary Output 10
26Ignition Channel 1
27Ignition Channel 2
28Ignition Channel 3
29Ignition Channel 4
30Ignition Channel 5
31Ignition Channel 6
32Ignition Channel 7
33Ignition Channel 8
34ECU Ground
OEM-E13-5 Injector 1 (cyl 1)
OEM-E13-6 Injector 2 (cyl 2)
OEM-E14-1 Injector 3 (cyl 3)
OEM-E14-2 Injector 4 (cyl 4)
OEM-E14-3 Injector 5 (cyl 5)
OEM-E14-4 Injector 6 (cyl 6)
OEM-E14-5 Injector 7 (cyl 7)
OEM-E14-6 Injector 8 (cyl 8)
GND
OEM-E13-4 O2 sensor heater (bank unconfirmed)
OEM-E11-28 VVT oil-control valve RH (OCR−)
OEM-E12-12 Throttle magnetic clutch + (CL+)
OEM-E13-8 Throttle magnetic clutch − (CL−)
OEM-E11-19 VVT oil-control valve RH (OCR+)
OEM-E14-20 VVT oil-control valve LH (OCV+)
OEM-E15-5 Fuel pump relay control (FC)
OEM-E13-3 O2 sensor heater (bank unconfirmed)
OEM-E14-8 Throttle motor + (M+)
OEM-E14-7 Throttle motor − (M−)
OEM-E14-11 Ignition coil 1 (IGT1)
OEM-E14-12 Ignition coil 2 (IGT2)
OEM-E14-13 Ignition coil 3 (IGT3)
OEM-E14-14 Ignition coil 4 (IGT4)
OEM-E14-15 Ignition coil 5 (IGT5)
OEM-E14-16 Ignition coil 6 (IGT6)
OEM-E14-25 Ignition coil 7 (IGT7)
OEM-E14-26 Ignition coil 8 (IGT8)
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
17Analog Sensor 0V Reference
25Analog Sensor 0V Reference
26ECU Ground
27Digital Input 1
28Digital Input 2
29Digital Input 3
GND
OEM-E13-10 MAF signal (VG)
OEM-E13-13 Throttle position sensor 1 (VTA)
OEM-E13-21 Accelerator pedal position 1 (VPA)
OEM-E13-20 Throttle position sensor 2 (VTA2)
OEM-E13-9 Accelerator pedal position 2 (VPA2)
OEM-E13-14 Engine coolant temp (THW)
OEM-E11-18 O2 sensor signal (bank unconfirmed)
OEM-E11-27 O2 sensor signal (bank unconfirmed)
OEM-E13-11 O2 sensor signal (bank unconfirmed)
OEM-E13-12 O2 sensor signal (bank unconfirmed)
OEM-E13-22 Intake air temp (THA)
0V sensor
0V sensor
GND
OEM-E14-27 Ignition confirmation 1 (IGF1)
OEM-E14-28 Ignition confirmation 2 (IGF2)
OEM-E11-17 Starter signal (STA)
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-E14-23 Crank position sensor (NE+)
OEM-E14-22 Crank position sensor (NE−)
OEM-E14-10 Camshaft position sensor (G2)
SP-0V · 2 pins
OEM-E15-10 EFI main relay control (MREL)
OEM-E14-18 Knock sensor LH (KNKL)
OEM-E15-9 Ignition switch (+12V)
OEM-E14-17 Knock sensor RH (KNKR)
Auxiliary Output 9-12 14V Supply
5V ref
SP-GND · 8 pins
SP-0V · 6 pins
SP-14V · 7 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.
71 / 71 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
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