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

5V ref

M190-C-10 Universal Digital Input 8

M190-C-40 Universal Digital Input 5

M190-C-18 Universal Digital Input 1

0V sensor

M190-C-36 Analogue Voltage Input 2

M190-C-42 Analogue Voltage Input 1

M190-C-47 Universal Digital Input 6

M190-C-32 Universal Digital Input 2

0V sensor

M190-C-35 Analogue Voltage Input 3

M190-A-7 Lambda Narrow Input 1

M190-C-39 Analogue Temperature Input 2

M190-C-17 Universal Digital Input 7

M190-C-25 Universal Digital Input 3

0V sensor

M190-C-37 Analogue Temperature Input 1

0V sensor

OEM-C84

Stock ECU being replaced

1Sensor supply +5V (VCC)

3OD direct-clutch speed sensor (NCO-)

4No.2 speed sensor (SP2-)

5Crank position (NE)

6Crank sensor return (NE-)

7Throttle position (VTA1)

8Manifold pressure (PIM)

9No.2 speed sensor (SP2+)

10Cam position 1 (G1)

11Cam 1 return (G1-)

12TRAC throttle position (VTA2)

13O2 sensor (OX1)

14Intake air temperature (THA)

15OD direct-clutch speed sensor (NCO+)

16Cam position 2 (G2)

17Cam 2 return (G2-)

20Coolant temperature (THW)

22Sensor ground (E2)

M190-C-22 Universal Digital Input 9

M190-A-2 Low Side Injector 2

M190-B-T Low Side Injector 6

M190-A-25 Low Side Injector 7

M190-A-21 Digital Input 1

M190-C-29 Analogue Voltage Input 5

M190-C-21 Universal Digital Input 10

M190-C-28 Analogue Voltage Input 4

GND

OEM-C85

Stock ECU being replaced

1Slave engine speed (NEO)

2EFI main relay control (M-REL)

3Check-engine lamp (W)

4Fuel pump control (FPC)

5Diagnostic test 1 (TE1)

6Timing retard (TR)

10Fuel pump diagnostic (DI)

14ABS active (MT only)

16Power ground (E1)

M190-C-11 Analogue Voltage Input 6

M190-C-7 Analogue Voltage Input 10

M190-A-41 Analogue Voltage Input 14

M190-B-V Low Side Injector 2

M190-C-19 Universal Digital Input 12

M190-A-14 Digital Input 2

M190-A-10 Low Side Injector 8

M190-A-30 Digital Input 3

M190-A-37 Digital Input 4

M190-C-27 Universal Digital Input 4

M190-C-38 Analogue Temperature Input 3

Battery constant (BATT)

M190-C-12 Analogue Voltage Input 7

M190-C-6 Analogue Voltage Input 8

M190-C-13 Analogue Voltage Input 9

M190-A-13 Analogue Voltage Input 11

EFI main relay power (+B)

EFI main relay power (+B1)

M190-A-35 Analogue Voltage Input 12

M190-A-34 Analogue Voltage Input 13

OEM-C86

Stock ECU being replaced

1Diagnostic test terminal (TT)

2A/T low-gear indicator (L)

3A/T power/normal mode (P)

5A/C clutch relay (ACMG)

6A/T overdrive disable 2 (OD2)

7A/T overdrive disable 1 (OD1)

8Cat temp warning light (EGW)

10A/T 2nd-gear indicator (2)

11Diagnostic test 2 (TE2)

12No.1 speed sensor (SP1)

13Cat temperature sensor (CCO)

14Battery constant (BATT)

17A/T throttle position (L3)

18A/T throttle position (L2)

19A/T throttle position (L1)

20A/C request (A/C)

22EFI main relay power (+B)

23EFI main relay power (+B1)

25Stop light switch (STP)

28Electrical load sense (ELS)

M190-A-1 Low Side Injector 3

M190-C-44 Knock Input 2

M190-C-51 Knock Input 1

M190-A-32 Low Side Injector 10

M190-B-U Low Side Injector 1

M190-A-3 Low Side Injector 1

M190-A-11 Peak Hold Injector 1

M190-B-b Low Side Injector 3

M190-C-20 Universal Digital Input 11

M190-A-27 Analogue Voltage Input 15

M190-A-28 Analogue Voltage Input 16

M190-C-2 Low Side Ignition 3

M190-C-8 Low Side Ignition 2

M190-B-S Low Side Injector 4

M190-A-40 Low Side Injector 6

M190-B-a Low Side Injector 5

M190-A-48 Low Side Injector 5

M190-A-5 Low Side Injector 4

M190-C-16 Low Side Ignition 1

M190-C-1 Low Side Ignition 4

M190-A-47 Low Side Injector 9

GND

M190-C-4 Low Side Ignition 6

M190-C-5 Low Side Ignition 5

M190-A-29 Analogue Voltage Input 17

GND

OEM-C88

Stock ECU being replaced

3O2 heater (HT)

4Knock sensor 2 (KNK2, rear)

5Knock sensor 1 (KNK1, front)

7EVAP purge VSV

8Injector 3 (#30, cyl 2&6)

9Injector 2 (#20, cyl 3&5)

10Injector 1 (#10, cyl 1&4)

11A/T shift solenoid 1 (S1)

12Igniter feedback (IGF)

13Starter signal (STA)

14Neutral/park switch (NSW)

15Ignition 3 (IGT3)

16Ignition 2 (IGT2)

17A/T shift solenoid 2 (S2)

20ISC stepper coil 4 (ISCV4)

21ISC stepper coil 3 (ISCV3)

22ISC stepper coil 2 (ISCV2)

23ISC stepper coil 1 (ISCV1)

24Ignition 1 (IGT1)

26Ignition 4 (IGT4)

27A/T lock-up solenoid (S3)

28Power ground (E11)

29Ignition 6 (IGT6)

30Ignition 5 (IGT5)

31TRAC throttle idle switch (IDL2)

33Power ground (E02)

34Power ground (E01)

M190

M190-A

M190

1Low Side Injector 3

2Low Side Injector 2

3Low Side Injector 1

5Low Side Injector 4

7Lambda Narrow Input 1

10Low Side Injector 8

11Peak Hold Injector 1

13Analogue Voltage Input 11

14Digital Input 2

16Sensor 5.0V C3

18Sensor 0V C1

19Sensor 0V C2

20Sensor 0V C3

21Digital Input 1

25Low Side Injector 7

27Analogue Voltage Input 15

28Analogue Voltage Input 16

29Analogue Voltage Input 17

30Digital Input 3

32Low Side Injector 10

34Analogue Voltage Input 13

35Analogue Voltage Input 12

37Digital Input 4

38Battery Backup

40Low Side Injector 6

41Analogue Voltage Input 14

47Low Side Injector 9

48Low Side Injector 5

OEM-C88-3 O2 heater (HT)

OEM-C85-2 EFI main relay control (M-REL)

OEM-C88-9 Injector 2 (#20, cyl 3&5)

OEM-C88-23 ISC stepper coil 1 (ISCV1)

OEM-C84-13 O2 sensor (OX1)

OEM-C86-8 Cat temp warning light (EGW)

OEM-C88-10 Injector 1 (#10, cyl 1&4)

OEM-C86-20 A/C request (A/C)

OEM-C86-7 A/T overdrive disable 1 (OD1)

5V ref

0V sensor

OEM-C85-5 Diagnostic test 1 (TE1)

OEM-C85-4 Fuel pump control (FPC)

OEM-C88-13 Starter signal (STA)

OEM-C88-14 Neutral/park switch (NSW)

OEM-C88-31 TRAC throttle idle switch (IDL2)

OEM-C86-10 A/T 2nd-gear indicator (2)

OEM-C88-7 EVAP purge VSV

OEM-C86-28 Electrical load sense (ELS)

OEM-C86-25 Stop light switch (STP)

OEM-C86-11 Diagnostic test 2 (TE2)

Battery Backup

OEM-C88-20 ISC stepper coil 4 (ISCV4)

OEM-C86-3 A/T power/normal mode (P)

OEM-C88-27 A/T lock-up solenoid (S3)

OEM-C88-22 ISC stepper coil 2 (ISCV2)

M190-B

M190

aLow Side Injector 5

bLow Side Injector 3

cBattery Negative 6

GBattery Negative 1

HBattery Positive 1

JBattery Positive 2

KBattery Positive 3

LBattery Positive 4

SLow Side Injector 4

TLow Side Injector 6

ULow Side Injector 1

VLow Side Injector 2

WBattery Negative 2

XBattery Negative 3

YBattery Negative 4

ZBattery Negative 5

OEM-C88-21 ISC stepper coil 3 (ISCV3)

OEM-C88-11 A/T shift solenoid 1 (S1)

GND

Battery Positive 1

Battery Positive 2

Battery Positive 3

Battery Positive 4

OEM-C88-17 A/T shift solenoid 2 (S2)

OEM-C85-3 Check-engine lamp (W)

OEM-C88-8 Injector 3 (#30, cyl 2&6)

OEM-C86-5 A/C clutch relay (ACMG)

GND

M190-C

M190

1Low Side Ignition 4

2Low Side Ignition 3

4Low Side Ignition 6

5Low Side Ignition 5

6Analogue Voltage Input 8

7Analogue Voltage Input 10

8Low Side Ignition 2

10Universal Digital Input 8

11Analogue Voltage Input 6

12Analogue Voltage Input 7

13Analogue Voltage Input 9

14Sensor 0V A1

15Sensor 0V A2

16Low Side Ignition 1

17Universal Digital Input 7

18Universal Digital Input 1

19Universal Digital Input 12

20Universal Digital Input 11

21Universal Digital Input 10

22Universal Digital Input 9

23Sensor 0V B1

25Universal Digital Input 3

27Universal Digital Input 4

28Analogue Voltage Input 4

29Analogue Voltage Input 5

30Sensor 0V B2

32Universal Digital Input 2

35Analogue Voltage Input 3

36Analogue Voltage Input 2

37Analogue Temperature Input 1

38Analogue Temperature Input 3

39Analogue Temperature Input 2

40Universal Digital Input 5

42Analogue Voltage Input 1

44Knock Input 2

47Universal Digital Input 6

51Knock Input 1

OEM-C88-26 Ignition 4 (IGT4)

OEM-C88-15 Ignition 3 (IGT3)

OEM-C88-29 Ignition 6 (IGT6)

OEM-C88-30 Ignition 5 (IGT5)

OEM-C86-18 A/T throttle position (L2)

OEM-C86-2 A/T low-gear indicator (L)

OEM-C88-16 Ignition 2 (IGT2)

OEM-C84-3 OD direct-clutch speed sensor (NCO-)

OEM-C86-1 Diagnostic test terminal (TT)

OEM-C86-17 A/T throttle position (L3)

OEM-C86-19 A/T throttle position (L1)

0V sensor

OEM-C88-24 Ignition 1 (IGT1)

OEM-C84-15 OD direct-clutch speed sensor (NCO+)

OEM-C84-5 Crank position (NE)

OEM-C86-6 A/T overdrive disable 2 (OD2)

OEM-C88-12 Igniter feedback (IGF)

OEM-C85-10 Fuel pump diagnostic (DI)

OEM-C85-1 Slave engine speed (NEO)

0V sensor

OEM-C84-16 Cam position 2 (G2)

OEM-C86-12 No.1 speed sensor (SP1)

OEM-C85-14 ABS active (MT only)

OEM-C85-6 Timing retard (TR)

0V sensor

OEM-C84-10 Cam position 1 (G1)

OEM-C84-12 TRAC throttle position (VTA2)

OEM-C84-7 Throttle position (VTA1)

OEM-C84-20 Coolant temperature (THW)

OEM-C86-13 Cat temperature sensor (CCO)

OEM-C84-14 Intake air temperature (THA)

OEM-C84-4 No.2 speed sensor (SP2-)

OEM-C84-8 Manifold pressure (PIM)

OEM-C88-4 Knock sensor 2 (KNK2, rear)

OEM-C84-9 No.2 speed sensor (SP2+)

OEM-C88-5 Knock sensor 1 (KNK1, front)

SP-0V · 12 pins

SP-14V · 7 pins

SP-GND · 11 pins