100%

Stock ECU being replaced

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

KV8-B-15 Aux 6

KV8-B-5 Injection 5

KV8-B-6 Injection 6

KV8-B-4 Injection 4

GND

KV8-B-10 Aux 1

KV8-B-11 Aux 2

KV8-C-4 Analog in 3

GND

KV8-D-4 Crank index sensor +

KV8-D-6 Sync sensor +

KV8-B-29 Ignition 4

KV8-B-31 Ignition 6

KV8-B-30 Ignition 5

KV8-B-14 Aux 5

0V sensor

KV8-B-16 Aux 7

KV8-B-3 Injection 3

KV8-B-2 Injection 2

KV8-B-1 Injection 1

GND

KV8-B-17 Aux 8

KV8-A-10 Lambda 1 heater −

0V sensor

KV8-C-2 Analog in 1

KV8-C-27 Digital in 1

0V sensor

KV8-D-13 Shield (crank/cam/knock) (via SP-SHD)

KV8-B-12 Aux 3

KV8-B-26 Ignition 1

KV8-B-27 Ignition 2

KV8-B-28 Ignition 3

ECU power (+14V from main relay)

GND

KV8-D-15 Ignition switch input

5V ref

KV8-D-17 Knock 2 +

KV8-D-11 Knock 1 +

0V sensor

KV8-C-3 Analog in 2

KV8-C-6 Analog in 5

KV8-C-5 Analog in 4

OEM-X

Stock ECU being replaced

1Fuel pump relay control

2Idle speed control valve (close winding)

3Injector cylinder 5

4Injector cylinder 6

5Injector cylinder 4

6Ground (injector output stages)

7VANOS intake camshaft solenoid

8Check engine light (MIL)

13O2 sensor signal

15Ground

16Crank position sensor (+)

17Camshaft position sensor (Hall)

23Ignition coil cylinder 4

24Ignition coil cylinder 6

25Ignition coil cylinder 5

27Main relay control

28Ground (electronics + sensor shielding)

29Idle speed control valve (open winding)

31Injector cylinder 3

32Injector cylinder 2

33Injector cylinder 1

34Ground (output stages)

36Evap purge solenoid

38O2 sensor heater relay control

40O2 sensor signal ground

41Mass air flow (MAF) signal

42Vehicle speed signal

43Crank position sensor (-)

44Sensor ground (IAT/ECT/TPS)

45Shield ground

47Tachometer output

50Ignition coil cylinder 1

51Ignition coil cylinder 2

52Ignition coil cylinder 3

54ECU power (+14V from main relay)

55Ground (ignition)

56Ignition switch (terminal 15)

59+5V sensor supply

69Knock sensor cylinders 4-6

70Knock sensor cylinders 1-3

71Knock sensor ground/shield

73Throttle position (TPS)

77Intake air temperature (IAT)

78Engine coolant temperature (ECT)

KV8

KV8-A

KV8

10Lambda 1 heater −

OEM-X-38 O2 sensor heater relay control

KV8-B

KV8

1Injection 1

2Injection 2

3Injection 3

4Injection 4

5Injection 5

6Injection 6

9ECU ground

10Aux 1

11Aux 2

12Aux 3

14Aux 5

15Aux 6

16Aux 7

17Aux 8

26Ignition 1

27Ignition 2

28Ignition 3

29Ignition 4

30Ignition 5

31Ignition 6

34ECU ground

OEM-X-33 Injector cylinder 1

OEM-X-32 Injector cylinder 2

OEM-X-31 Injector cylinder 3

OEM-X-5 Injector cylinder 4

OEM-X-3 Injector cylinder 5

OEM-X-4 Injector cylinder 6

GND

OEM-X-7 VANOS intake camshaft solenoid

OEM-X-8 Check engine light (MIL)

OEM-X-47 Tachometer output

OEM-X-27 Main relay control

OEM-X-2 Idle speed control valve (close winding)

OEM-X-29 Idle speed control valve (open winding)

OEM-X-36 Evap purge solenoid

OEM-X-50 Ignition coil cylinder 1

OEM-X-51 Ignition coil cylinder 2

OEM-X-52 Ignition coil cylinder 3

OEM-X-23 Ignition coil cylinder 4

OEM-X-25 Ignition coil cylinder 5

OEM-X-24 Ignition coil cylinder 6

GND

KV8-C

KV8

1ECU ground

2Analog in 1

3Analog in 2

4Analog in 3

5Analog in 4

6Analog in 5

17Analog sensor 0V reference

25Analog sensor 0V reference

26ECU ground

27Digital in 1

GND

OEM-X-41 Mass air flow (MAF) signal

OEM-X-73 Throttle position (TPS)

OEM-X-13 O2 sensor signal

OEM-X-78 Engine coolant temperature (ECT)

OEM-X-77 Intake air temperature (IAT)

0V sensor

GND

OEM-X-42 Vehicle speed signal

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)

11Knock 1 +

13Shield (crank/cam/knock)

15Ignition switch input

17Knock 2 +

20Aux 9–12 14V supply

21Sensor supply Vref1 5.0V

ECU 14V supply

Aux 13–16 14V supply

OEM-X-16 Crank position sensor (+)

SP-0V · 5 pins

OEM-X-17 Camshaft position sensor (Hall)

SP-0V · 5 pins

OEM-X-1 Fuel pump relay control

OEM-X-70 Knock sensor cylinders 1-3

OEM-X-45 Shield ground (via SP-SHD)

OEM-X-56 Ignition switch (terminal 15)

OEM-X-69 Knock sensor cylinders 4-6

Aux 9–12 14V supply

5V ref

SP-GND · 9 pins

SP-0V · 10 pins

SP-SHD · 3 pins

SP-14V · 5 pins