Pinswap: ECU harness builder

100%

Stock ECU being replaced

KV8-B-11 Aux 2

KV8-B-5 Injection 5

KV8-B-6 Injection 6

KV8-B-7 Injection 7

5 no data

KV8-B-8 Injection 8

7–8 no data

KV8-C-27 Digital in 1

11 no data

KV8-B-12 Aux 3

14 no data

KV8-D-9 EFI relay output (low side, 200 mA)

KV8-B-14 Aux 5

KV8-B-15 Aux 6

KV8-B-13 Aux 4

KV8-B-16 Aux 7

22 no data

KV8-C-4 Analog in 3

KV8-C-29 Digital in 3

KV8-C-30 Digital in 4

KV8-C-31 Digital in 5

KV8-B-17 Aux 8

KV8-C-9 Analog in 8

KV8-C-10 Analog in 9

31 no data

KV8-C-32 Digital in 6

OEM-A

Stock ECU being replaced

1Coolant temp gauge drive

2Air control valve solenoid

3Evap bypass solenoid

4Evap canister vent shut valve

5 no data

6Evap canister purge valve

7–8 no data

9Vehicle speed sensor

11 no data

12Immobilizer indicator light

14 no data

15Fuel pump relay (USDM)

16Fuel pump relay (JDM)

17A/C clutch relay

18Check engine light (MIL)

20Radiator fan relay

22 no data

23Secondary O2 sensor

24Starter switch signal

26Power steering load detect

27A/C switch (request)

28Air pump relay

29Fuel tank pressure sensor

30Electrical load detector

31 no data

32Brake switch

Power source 1 (main relay)

GND

KV8-B-2 Injection 2

KV8-B-3 Injection 3

KV8-B-4 Injection 4

6–8 no data

Power source 2 (main relay)

GND

KV8-B-1 Injection 1

KV8-B-18 Aux 9

13–19 no data

GND

KV8-B-10 Aux 1

24–25 no data

OEM-B

Stock ECU being replaced

1Power source 1 (main relay)

2Power ground 1

3Injector 2

4Injector 3

5Injector 4

6–8 no data

9Power source 2 (main relay)

10Power ground 2

11Injector 1

12VTEC solenoid

13–19 no data

20Ground

22Ground

23Idle air control valve

24–25 no data

KV8-A-10 Lambda 1 heater −

KV8-B-19 Aux 10

KV8-B-26 Ignition 1

KV8-C-28 Digital in 2

6 no data

0V sensor

KV8-D-4 Crank index sensor +

KV8-D-5 Crank index sensor −

KV8-C-33 Digital in 7

KV8-A-11 Lambda 2 heater −

KV8-B-27 Ignition 2

KV8-B-28 Ignition 3

KV8-B-29 Ignition 4

KV8-C-5 Analog in 4

KV8-C-6 Analog in 5

KV8-C-2 Analog in 1

0V sensor

5V ref

KV8-D-6 Sync sensor +

KV8-D-7 Sync sensor −

23 no data

KV8-C-11 Analog in 10

KV8-C-8 Analog in 7

KV8-C-7 Analog in 6

KV8-C-3 Analog in 2

5V ref

0V sensor

OEM-C

Stock ECU being replaced

1Primary O2 heater

2Alternator control

4Ignition coil 1

5Alternator FR signal

6 no data

7Sensor ground 1

8Crank sensor + (CKP+)

9Crank sensor − (CKP−)

10VTEC pressure switch

11Secondary O2 heater control

12Ignition coil 2

13Ignition coil 3

14Ignition coil 4

15Secondary O2 sensor

16Primary O2 sensor

17MAP sensor

18Sensor ground 2

19Sensor 5V supply 1 (MAP)

20Cam (TDC1) sensor +

21Cam (TDC1) sensor −

23 no data

24Air pump electric current sensor

25Intake air temp sensor

26Coolant temp sensor

27Throttle position sensor

28Sensor 5V supply 2

30Cam (TDC2) sensor −

31Timing ground

1–16 no data

OEM-D

Stock ECU being replaced

1–16 no data

KV8

KV8-A

KV8

10Lambda 1 heater −

11Lambda 2 heater −

OEM-C-1 Primary O2 heater

OEM-C-11 Secondary O2 heater control

KV8-B

KV8

1Injection 1

2Injection 2

3Injection 3

4Injection 4

5Injection 5

6Injection 6

7Injection 7

8Injection 8

9ECU ground

10Aux 1

11Aux 2

12Aux 3

13Aux 4

14Aux 5

15Aux 6

16Aux 7

17Aux 8

18Aux 9

19Aux 10

26Ignition 1

27Ignition 2

28Ignition 3

29Ignition 4

34ECU ground

OEM-B-11 Injector 1

OEM-B-3 Injector 2

OEM-B-4 Injector 3

OEM-B-5 Injector 4

OEM-A-2 Air control valve solenoid

OEM-A-3 Evap bypass solenoid

OEM-A-4 Evap canister vent shut valve

OEM-A-6 Evap canister purge valve

GND

OEM-B-23 Idle air control valve

OEM-A-1 Coolant temp gauge drive

OEM-A-12 Immobilizer indicator light

OEM-A-18 Check engine light (MIL)

OEM-A-16 Fuel pump relay (JDM)

OEM-A-17 A/C clutch relay

OEM-A-20 Radiator fan relay

OEM-A-28 Air pump relay

OEM-B-12 VTEC solenoid

OEM-C-2 Alternator control

OEM-C-4 Ignition coil 1

OEM-C-12 Ignition coil 2

OEM-C-13 Ignition coil 3

OEM-C-14 Ignition coil 4

GND

KV8-C

KV8

1ECU ground

2Analog in 1

3Analog in 2

4Analog in 3

5Analog in 4

6Analog in 5

7Analog in 6

8Analog in 7

9Analog in 8

10Analog in 9

11Analog in 10

17Analog sensor 0V reference

25Analog sensor 0V reference

26ECU ground

27Digital in 1

28Digital in 2

29Digital in 3

30Digital in 4

31Digital in 5

32Digital in 6

33Digital in 7

GND

OEM-C-17 MAP sensor

OEM-C-27 Throttle position sensor

OEM-A-23 Secondary O2 sensor

OEM-C-15 Secondary O2 sensor

OEM-C-16 Primary O2 sensor

OEM-C-26 Coolant temp sensor

OEM-C-25 Intake air temp sensor

OEM-A-29 Fuel tank pressure sensor

OEM-A-30 Electrical load detector

OEM-C-24 Air pump electric current sensor

0V sensor

GND

OEM-A-9 Vehicle speed sensor

OEM-C-5 Alternator FR signal

OEM-A-24 Starter switch signal

OEM-A-26 Power steering load detect

OEM-A-27 A/C switch (request)

OEM-A-32 Brake switch

OEM-C-10 VTEC pressure switch

KV8-D

KV8

1ECU 14V supply

2Aux 13–16 14V supply

4Crank index sensor +

5Crank index sensor −

6Sync sensor +

7Sync sensor −

9EFI relay output (low side, 200 mA)

20Aux 9–12 14V supply

21Sensor supply Vref1 5.0V

22Sensor supply Vref2 5.0V

ECU 14V supply

Aux 13–16 14V supply

OEM-C-8 Crank sensor + (CKP+)

OEM-C-9 Crank sensor − (CKP−)

OEM-C-20 Cam (TDC1) sensor +

OEM-C-21 Cam (TDC1) sensor −

OEM-A-15 Fuel pump relay (USDM)

Aux 9–12 14V supply

5V ref

SP-GND · 9 pins

SP-14V · 6 pins

SP-0V · 7 pins