Pinswap: ECU harness builder

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Stock ECU being replaced

KV8-B-16 Aux 7

KV8-B-8 Injection 8

KV8-B-7 Injection 7

KV8-B-6 Injection 6

5 no data

KV8-B-17 Aux 8

7–8 no data

KV8-C-27 Digital in 1

11 no data

14 no data

KV8-B-11 Aux 2

KV8-B-13 Aux 4

KV8-B-15 Aux 6

KV8-B-14 Aux 5

KV8-B-12 Aux 3

22 no data

KV8-C-31 Digital in 5

KV8-C-32 Digital in 6

KV8-C-30 Digital in 4

KV8-B-5 Injection 5

KV8-C-9 Analog in 8

KV8-C-8 Analog in 7

31 no data

KV8-C-29 Digital in 3

S2K-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

14 no data

15Fuel pump relay (USDM)

17A/C clutch relay

18Check engine light (MIL)

19Tacho output

20Radiator fan relay

22 no data

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)

KV8-B-1 Injection 1

KV8-B-18 Aux 9

13–19 no data

KV8-B-10 Aux 1

24–25 no data

S2K-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)

11Injector 1

12VTEC solenoid

13–19 no data

23Idle air control valve

24–25 no data

KV8-B-20 Aux 11

KV8-B-21 Aux 12

KV8-B-26 Ignition 1

6 no data

0V sensor

KV8-D-4 Crank index sensor +

KV8-D-5 Crank index sensor −

KV8-C-28 Digital in 2

KV8-B-27 Ignition 2

KV8-B-28 Ignition 3

KV8-B-29 Ignition 4

KV8-C-5 Analog in 4

KV8-C-4 Analog in 3

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-7 Analog in 6

KV8-C-6 Analog in 5

KV8-C-3 Analog in 2

5V ref

S2K-C

Stock ECU being replaced

1Primary O2 heater

2Alternator control

4Ignition coil 1

6 no data

7Sensor ground 1

8Crank sensor + (CKP+)

9Crank sensor − (CKP−)

10VTEC pressure switch

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

25Intake air temp sensor

26Coolant temp sensor

27Throttle position sensor

28Sensor 5V supply 2

1–16 no data

S2K-D

Stock ECU being replaced

1–16 no data

KV8

KV8-A

KV8

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

20Aux 11

21Aux 12

26Ignition 1

27Ignition 2

28Ignition 3

29Ignition 4

34ECU ground

S2K-B-11 Injector 1

S2K-B-3 Injector 2

S2K-B-4 Injector 3

S2K-B-5 Injector 4

S2K-A-28 Air pump relay

S2K-A-4 Evap canister vent shut valve

S2K-A-3 Evap bypass solenoid

S2K-A-2 Air control valve solenoid

GND

S2K-B-23 Idle air control valve

S2K-A-15 Fuel pump relay (USDM)

S2K-A-20 Radiator fan relay

S2K-A-17 A/C clutch relay

S2K-A-19 Tacho output

S2K-A-18 Check engine light (MIL)

S2K-A-1 Coolant temp gauge drive

S2K-A-6 Evap canister purge valve

S2K-B-12 VTEC solenoid

S2K-C-1 Primary O2 heater

S2K-C-2 Alternator control

S2K-C-4 Ignition coil 1

S2K-C-12 Ignition coil 2

S2K-C-13 Ignition coil 3

S2K-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

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

GND

S2K-C-17 MAP sensor

S2K-C-27 Throttle position sensor

S2K-C-16 Primary O2 sensor

S2K-C-15 Secondary O2 sensor

S2K-C-26 Coolant temp sensor

S2K-C-25 Intake air temp sensor

S2K-A-30 Electrical load detector

S2K-A-29 Fuel tank pressure sensor

0V sensor

GND

S2K-A-9 Vehicle speed sensor

S2K-C-10 VTEC pressure switch

S2K-A-32 Brake switch

S2K-A-27 A/C switch (request)

S2K-A-24 Starter switch signal

S2K-A-26 Power steering load detect

KV8-D

KV8

1ECU 14V supply

4Crank index sensor +

5Crank index sensor −

6Sync sensor +

7Sync sensor −

15Ignition switch input

20Aux 9–12 14V supply

21Sensor supply Vref1 5.0V

22Sensor supply Vref2 5.0V

ECU 14V supply

S2K-C-8 Crank sensor + (CKP+)

S2K-C-9 Crank sensor − (CKP−)

S2K-C-20 Cam (TDC1) sensor +

S2K-C-21 Cam (TDC1) sensor −

SP-14V · 2 pins

Aux 9–12 14V supply

5V ref

SP-GND · 6 pins

SP-14V · 6 pins

SP-0V · 5 pins