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

KV8-C-29 Digital in 3

GND

0V sensor

KV8-B-10 Aux 1

KV8-B-15 Aux 6

KV8-B-6 Injection 6

KV8-B-5 Injection 5

KV8-B-4 Injection 4

KV8-B-3 Injection 3

KV8-B-2 Injection 2

KV8-B-1 Injection 1

KV8-C-28 Digital in 2

KV8-C-8 Analog in 7

KV8-D-6 Sync sensor +

KV8-D-4 Crank index sensor +

KV8-D-19 Analog output 0–5V

KV8-B-12 Aux 3

KV8-B-11 Aux 2

KV8-B-17 Aux 8

KV8-B-16 Aux 7

KV8-B-7 Injection 7

5V ref

KV8-C-3 Analog in 2

KV8-C-4 Analog in 3

KV8-C-9 Analog in 8

KV8-C-5 Analog in 4

KV8-C-6 Analog in 5

KV8-D-17 Knock 2 +

KV8-D-11 Knock 1 +

KV8-B-26 Ignition 1

KV8-C-31 Digital in 5

KV8-C-2 Analog in 1

KV8-C-15 Analog in 14

0V sensor

GND

KV8-B-8 Injection 8

KV8-C-16 Analog in 15

KV8-C-24 Analog in 16

GND

OEM-E9

Stock ECU being replaced

3No.2 speed sensor return (SP2-)

4Power ground (E11)

7Distributor ground (G-)

9A/T shift solenoid 2 (S2)

10A/T shift solenoid 1 (S1)

15Injector 6 (#60, rear)

16Injector 5 (#50)

17Injector 4 (#40)

18Injector 3 (#30)

19Injector 2 (#20)

20Injector 1 (#10, front)

23No.2 speed sensor (SP2+)

24A/T oil temperature (OIL)

26Cam position 1 (G1)

27Crank position (NE)

29Voltage feedback 1 (VF1)

32ISC stepper coil 4 (ISC4)

33ISC stepper coil 3 (ISC3)

34ISC stepper coil 2 (ISC2)

35ISC stepper coil 1 (ISC1)

39ACIS intake VSV

41Sensor supply +5V (VCC)

43Throttle position (VTA1)

44Coolant temperature (THW)

45Intake air temperature (THA)

47O2 sensor 2 (OX2, rear bank)

48O2 sensor 1 (OX1, front bank)

49Knock sensor 2 (KNK2, rear)

50Knock sensor 1 (KNK1, front)

57Igniter trigger (IGT)

58Igniter verification (IGF)

62Manifold pressure (PIM)

64TPS idle switch (IDL1)

65Sensor ground (E2)

69Power ground (E1)

74EVAP purge VSV

76Neutral/park switch (NSW)

77Starter signal (STA)

79Power ground (E02)

80Power ground (E01)

KV8-D-15 Ignition switch input

KV8-C-27 Digital in 1

KV8-C-11 Analog in 10

KV8-C-14 Analog in 13

KV8-A-10 Lambda 1 heater −

KV8-A-11 Lambda 2 heater −

KV8-C-19 Digital in 10

KV8-C-20 Digital in 11

KV8-C-32 Digital in 6

KV8-C-21 Digital in 12

KV8-C-22 Digital in 13

KV8-C-23 Digital in 14

KV8-C-34 Digital in 8

KV8-C-33 Digital in 7

KV8-C-30 Digital in 4

KV8-B-13 Aux 4

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

KV8-B-14 Aux 5

KV8-C-10 Analog in 9

KV8-C-18 Digital in 9

KV8-C-7 Analog in 6

EFI main relay power (+B)

EFI main relay power (+B1)

KV8-C-12 Analog in 11

KV8-C-13 Analog in 12

OEM-E10

Stock ECU being replaced

1Ignition switch (IGSW)

2No.1 speed sensor (SP1)

3A/T kickdown switch (KD)

4Stop light switch (STP)

5Cat-temp warning light (EGW)

6Check-engine light (W)

9A/T 2nd-gear indicator (2)

10A/T low-gear indicator (L)

12A/T overdrive disable 1 (OD1)

15Electrical load sense (ELS)

17Diagnostic test terminal (TT)

18A/T manual mode select (M)

19Diagnostic test 2 (TE2)

20Diagnostic test 1 (TE1)

21Fuel pump diagnostic (DI)

22Fuel pump control (FPC)

23A/C clutch relay (ACMG)

24EFI main relay control (M-REL)

25A/T manual indicator (MI)

28A/T overdrive disable 2 (OD2)

29Cat temperature sensor (CCO)

31EFI main relay power (+B)

32EFI main relay power (+B1)

34A/C request (A/C)

35Power steering switch (PS)

KV8

KV8-A

KV8

10Lambda 1 heater −

11Lambda 2 heater −

OEM-E10-5 Cat-temp warning light (EGW)

OEM-E10-6 Check-engine light (W)

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

26Ignition 1

34ECU ground

OEM-E9-20 Injector 1 (#10, front)

OEM-E9-19 Injector 2 (#20)

OEM-E9-18 Injector 3 (#30)

OEM-E9-17 Injector 4 (#40)

OEM-E9-16 Injector 5 (#50)

OEM-E9-15 Injector 6 (#60, rear)

OEM-E9-39 ACIS intake VSV

OEM-E9-74 EVAP purge VSV

GND

OEM-E9-9 A/T shift solenoid 2 (S2)

OEM-E9-33 ISC stepper coil 3 (ISC3)

OEM-E9-32 ISC stepper coil 4 (ISC4)

OEM-E10-22 Fuel pump control (FPC)

OEM-E10-24 EFI main relay control (M-REL)

OEM-E9-10 A/T shift solenoid 1 (S1)

OEM-E9-35 ISC stepper coil 1 (ISC1)

OEM-E9-34 ISC stepper coil 2 (ISC2)

OEM-E9-57 Igniter trigger (IGT)

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

12Analog in 11

13Analog in 12

14Analog in 13

15Analog in 14

16Analog in 15

17Analog sensor 0V reference

18Digital in 9

19Digital in 10

20Digital in 11

21Digital in 12

22Digital in 13

23Digital in 14

24Analog in 16

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

34Digital in 8

GND

OEM-E9-62 Manifold pressure (PIM)

OEM-E9-43 Throttle position (VTA1)

OEM-E9-44 Coolant temperature (THW)

OEM-E9-47 O2 sensor 2 (OX2, rear bank)

OEM-E9-48 O2 sensor 1 (OX1, front bank)

OEM-E10-29 Cat temperature sensor (CCO)

OEM-E9-24 A/T oil temperature (OIL)

OEM-E9-45 Intake air temperature (THA)

OEM-E10-25 A/T manual indicator (MI)

OEM-E10-3 A/T kickdown switch (KD)

OEM-E10-34 A/C request (A/C)

OEM-E10-35 Power steering switch (PS)

OEM-E10-4 Stop light switch (STP)

OEM-E9-64 TPS idle switch (IDL1)

OEM-E9-76 Neutral/park switch (NSW)

0V sensor

OEM-E10-28 A/T overdrive disable 2 (OD2)

OEM-E10-9 A/T 2nd-gear indicator (2)

OEM-E10-10 A/T low-gear indicator (L)

OEM-E10-15 Electrical load sense (ELS)

OEM-E10-17 Diagnostic test terminal (TT)

OEM-E10-18 A/T manual mode select (M)

OEM-E9-77 Starter signal (STA)

0V sensor

GND

OEM-E10-2 No.1 speed sensor (SP1)

OEM-E9-23 No.2 speed sensor (SP2+)

OEM-E9-3 No.2 speed sensor return (SP2-)

OEM-E10-21 Fuel pump diagnostic (DI)

OEM-E9-58 Igniter verification (IGF)

OEM-E10-12 A/T overdrive disable 1 (OD1)

OEM-E10-20 Diagnostic test 1 (TE1)

OEM-E10-19 Diagnostic test 2 (TE2)

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 +

15Ignition switch input

17Knock 2 +

19Analog output 0–5V

20Aux 9–12 14V supply

21Sensor supply Vref1 5.0V

ECU 14V supply

Aux 13–16 14V supply

OEM-E9-27 Crank position (NE)

SP-0V · 2 pins

OEM-E9-26 Cam position 1 (G1)

SP-0V · 2 pins

OEM-E10-23 A/C clutch relay (ACMG)

OEM-E9-50 Knock sensor 1 (KNK1, front)

OEM-E10-1 Ignition switch (IGSW)

OEM-E9-49 Knock sensor 2 (KNK2, rear)

OEM-E9-29 Voltage feedback 1 (VF1)

Aux 9–12 14V supply

5V ref

SP-GND · 9 pins

SP-0V · 7 pins

SP-14V · 6 pins