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.

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Stock ECU being replaced

ECU power (+B2, main relay)

Battery constant (BATT, memory)

M150-D-11 Universal Digital Input 6

GND

M150-D-14 Universal Digital Input 7

M150-D-21 Analogue Voltage Input 7

M150-D-4 Analogue Temperature Input 2

M150-A-23 Digital Input 1

M150-A-15 Digital Input 2

M150-A-16 Digital Input 3

M150-A-17 Digital Input 4

M150-D-18 CAN Bus 1 Low

M150-D-17 CAN Bus 1 High

M150-C-28 Peak Hold Injector 6

M150-C-14 Analogue Voltage Input 1

0V sensor

OEM-A33

Stock ECU being replaced

1ECU power (+B2, main relay)

2Battery constant (BATT, memory)

3Stop light switch (ST1-)

4Power ground (EC)

7Stop light switch (STP)

8A/C pressure sensor (ACP)

12Intake air temperature (THA, in MAF)

14Starter signal (STSW2)

15Clutch switch (CLSW)

16Neutral switch (NSW)

17Starter signal (STSW2)

18CAN low (CANL)

19CAN high (CANH)

20Blower relay (HB)

22Mass air flow (VG)

29MAF sensor ground (E2G)

GND

M150-C-31 Half Bridge Output 3

ECU power (+B, main relay)

M150-B-11 Analogue Voltage Input 10

M150-D-22 Analogue Voltage Input 8

M150-B-20 Half Bridge Output 7

M150-D-2 Universal Digital Input 2

M150-D-10 Universal Digital Input 5

M150-D-1 Universal Digital Input 1

M150-D-13 Knock Input 2

M150-C-15 Analogue Voltage Input 2

M150-A-11 Lambda Narrow Input 1

M150-D-9 Universal Digital Input 4

M150-D-8 Universal Digital Input 3

0V sensor

M150-D-7 Knock Input 1

M150-B-10 Analogue Voltage Input 9

M150-B-21 Half Bridge Output 8

5V ref

OEM-A34

Stock ECU being replaced

1Power ground (E03)

2Power ground (E04)

3Power ground (E05)

5A/F ratio sensor heater (HA1A)

6ECU power (+B, main relay)

9Fuel pressure sensor (PR)

11DI injector confirmation (IJF1)

13High-pressure fuel pump spill valve (FPF)

14VVT cam sensor exhaust bank 1 (EV1+)

15VVT cam sensor intake bank 2 (VV2+)

16Crank position (NE+)

17Knock sensor 2 (KNK2)

20Manifold absolute pressure (PIM)

21Heated oxygen sensor (OX1B, rear)

25VVT cam sensor exhaust bank 2 (EV2+)

26VVT cam sensor intake bank 1 (VV1+)

27Crank position return (NE-)

28Knock sensor 1 (KNK1)

31DI injector confirmation (IJF2)

32High-pressure fuel pump spill valve (FPD)

34OCV power source (VCV, 5V)

M150-B-1 Half Bridge Output 9

M150-B-22 Peak Hold Injector 9

M150-B-23 Peak Hold Injector 10

M150-B-12 Analogue Voltage Input 11

M150-C-27 Peak Hold Injector 5

M150-B-14 Low Side Injector 6

M150-B-8 Low Side Injector 5

M150-C-29 Peak Hold Injector 7

M150-B-2 Half Bridge Output 10

M150-B-16 Analogue Voltage Input 12

5V ref

M150-C-25 Analogue Voltage Input 5

M150-B-3 Universal Digital Input 8

0V sensor

M150-C-16 Analogue Voltage Input 3

M150-C-30 Peak Hold Injector 8

OEM-A35

Stock ECU being replaced

1Canister vent valve (VPMP)

5Injector relay (IREL)

7ETCS relay (+BM)

10Fuel pump control monitor (DI)

11Cooling fan relay 3 (FAN1)

12Cooling fan relay 2 (FAN2)

13EFI main relay 1 (SSHUT)

17ETCS relay (MCR)

19Fuel pump control (FPC)

20Canister pressure sensor (PPMP)

21Accelerator pedal 5V supply (VCPA)

22Accelerator pedal 5V supply (VCP2)

23Accelerator pedal position (VPA)

26Starter signal (STA)

29Accelerator pedal ground (EPA)

30Accelerator pedal ground (EPA2)

31Accelerator pedal position 2 (VPA2)

35A/C clutch relay (AC)

M150-C-18 Half Bridge Output 1

M150-C-1 Half Bridge Output 2

GND

M150-C-34 Half Bridge Output 6

M150-C-32 Half Bridge Output 4

M150-B-25 Peak Hold Injector 12

M150-C-6 Low Side Ignition 4

M150-C-4 Low Side Ignition 2

M150-C-19 Peak Hold Injector 1

M150-B-15 Low Side Injector 4

M150-C-23 Low Side Injector 1

M150-C-33 Half Bridge Output 5

M150-B-24 Peak Hold Injector 11

M150-D-20 Analogue Voltage Input 6

5V ref

M150-D-5 Analogue Temperature Input 3

M150-C-3 Low Side Ignition 1

M150-C-20 Peak Hold Injector 2

M150-C-22 Peak Hold Injector 4

M150-B-9 Low Side Injector 3

M150-C-24 Low Side Injector 2

M150-C-17 Analogue Voltage Input 4

0V sensor

M150-D-3 Analogue Temperature Input 1

M150-C-5 Low Side Ignition 3

M150-C-21 Peak Hold Injector 3

OEM-A36

Stock ECU being replaced

1Throttle actuator motor - (M-)

2Throttle actuator motor + (M+)

3Power ground (E02)

4Power ground (E01)

5OCV exhaust bank 2 (OE2)

6Heated oxygen sensor heater (HT1B)

7OCV exhaust bank 1 (OE1)

8Ignition coil 4 (IGT4)

10Ignition coil 2 (IGT2)

12Injector 1 port (#10)

13Injector 4 port (#40)

14Injector 1 direct (#1)

16OCV intake bank 2 (OC2)

17OCV intake bank 1 (OC1)

18Throttle position (VTA1)

19Sensor 5V supply (VC)

20Oil temperature (OT)

21Ignition coil 1 (IGT1)

22Injector 2 port (#20)

23Injector 4 direct (#4)

24Injector 3 direct (#3)

25Injector 2 direct (#2)

28Throttle position 2 (VTA2)

29Sensor ground (E1)

30Engine coolant temperature (THW)

31Ignition coil 3 (IGT3)

32Injector 3 port (#30)

M150

M150-A

M150

10Sensor 5.0V C1

11Lambda Narrow Input 1

15Digital Input 2

16Digital Input 3

17Digital Input 4

23Digital Input 1

24Battery Negative 3

25Battery Negative 4

26Sensor 0V C1

27Sensor 0V C2

32Battery Negative 5

33Sensor 0V B1

34Sensor 0V A1

5V ref

OEM-A34-21 Heated oxygen sensor (OX1B, rear)

OEM-A33-15 Clutch switch (CLSW)

OEM-A33-16 Neutral switch (NSW)

OEM-A33-17 Starter signal (STSW2)

OEM-A33-14 Starter signal (STSW2)

GND

0V sensor

GND

0V sensor

M150-B

M150

1Half Bridge Output 9

2Half Bridge Output 10

3Universal Digital Input 8

8Low Side Injector 5

9Low Side Injector 3

10Analogue Voltage Input 9

11Analogue Voltage Input 10

12Analogue Voltage Input 11

13Battery Positive

14Low Side Injector 6

15Low Side Injector 4

16Analogue Voltage Input 12

19Battery Positive

20Half Bridge Output 7

21Half Bridge Output 8

22Peak Hold Injector 9

23Peak Hold Injector 10

24Peak Hold Injector 11

25Peak Hold Injector 12

OEM-A35-1 Canister vent valve (VPMP)

OEM-A35-19 Fuel pump control (FPC)

OEM-A35-26 Starter signal (STA)

OEM-A35-13 EFI main relay 1 (SSHUT)

OEM-A36-24 Injector 3 direct (#3)

OEM-A34-31 DI injector confirmation (IJF2)

OEM-A34-9 Fuel pressure sensor (PR)

OEM-A35-10 Fuel pump control monitor (DI)

Battery Positive

OEM-A35-12 Cooling fan relay 2 (FAN2)

OEM-A36-13 Injector 4 port (#40)

OEM-A35-20 Canister pressure sensor (PPMP)

Battery Positive

OEM-A34-13 High-pressure fuel pump spill valve (FPF)

OEM-A34-32 High-pressure fuel pump spill valve (FPD)

OEM-A35-5 Injector relay (IREL)

OEM-A35-7 ETCS relay (+BM)

OEM-A36-17 OCV intake bank 1 (OC1)

OEM-A36-7 OCV exhaust bank 1 (OE1)

M150-C

M150

1Half Bridge Output 2

3Low Side Ignition 1

4Low Side Ignition 2

5Low Side Ignition 3

6Low Side Ignition 4

10Battery Negative 1

11Battery Negative 2

14Analogue Voltage Input 1

15Analogue Voltage Input 2

16Analogue Voltage Input 3

17Analogue Voltage Input 4

18Half Bridge Output 1

19Peak Hold Injector 1

20Peak Hold Injector 2

21Peak Hold Injector 3

22Peak Hold Injector 4

23Low Side Injector 1

24Low Side Injector 2

25Analogue Voltage Input 5

26Battery Positive

27Peak Hold Injector 5

28Peak Hold Injector 6

29Peak Hold Injector 7

30Peak Hold Injector 8

31Half Bridge Output 3

32Half Bridge Output 4

33Half Bridge Output 5

34Half Bridge Output 6

OEM-A36-2 Throttle actuator motor + (M+)

OEM-A36-21 Ignition coil 1 (IGT1)

OEM-A36-10 Ignition coil 2 (IGT2)

OEM-A36-31 Ignition coil 3 (IGT3)

OEM-A36-8 Ignition coil 4 (IGT4)

GND

OEM-A33-22 Mass air flow (VG)

OEM-A34-20 Manifold absolute pressure (PIM)

OEM-A35-31 Accelerator pedal position 2 (VPA2)

OEM-A36-28 Throttle position 2 (VTA2)

OEM-A36-1 Throttle actuator motor - (M-)

OEM-A36-12 Injector 1 port (#10)

OEM-A36-22 Injector 2 port (#20)

OEM-A36-32 Injector 3 port (#30)

OEM-A36-23 Injector 4 direct (#4)

OEM-A36-14 Injector 1 direct (#1)

OEM-A36-25 Injector 2 direct (#2)

OEM-A35-23 Accelerator pedal position (VPA)

Battery Positive

OEM-A35-11 Cooling fan relay 3 (FAN1)

OEM-A33-20 Blower relay (HB)

OEM-A35-17 ETCS relay (MCR)

OEM-A35-35 A/C clutch relay (AC)

OEM-A34-5 A/F ratio sensor heater (HA1A)

OEM-A36-6 Heated oxygen sensor heater (HT1B)

OEM-A36-16 OCV intake bank 2 (OC2)

OEM-A36-5 OCV exhaust bank 2 (OE2)

M150-D

M150

1Universal Digital Input 1

2Universal Digital Input 2

3Analogue Temperature Input 1

4Analogue Temperature Input 2

5Analogue Temperature Input 3

7Knock Input 1

8Universal Digital Input 3

9Universal Digital Input 4

10Universal Digital Input 5

11Universal Digital Input 6

12Battery Backup

13Knock Input 2

14Universal Digital Input 7

15Sensor 0V A

16Sensor 0V B

17CAN Bus 1 High

18CAN Bus 1 Low

20Analogue Voltage Input 6

21Analogue Voltage Input 7

22Analogue Voltage Input 8

OEM-A34-16 Crank position (NE+)

OEM-A34-14 VVT cam sensor exhaust bank 1 (EV1+)

OEM-A36-30 Engine coolant temperature (THW)

OEM-A33-12 Intake air temperature (THA, in MAF)

OEM-A36-20 Oil temperature (OT)

OEM-A34-28 Knock sensor 1 (KNK1)

OEM-A34-26 VVT cam sensor intake bank 1 (VV1+)

OEM-A34-25 VVT cam sensor exhaust bank 2 (EV2+)

OEM-A34-15 VVT cam sensor intake bank 2 (VV2+)

OEM-A33-3 Stop light switch (ST1-)

Battery Backup

OEM-A34-17 Knock sensor 2 (KNK2)

OEM-A33-7 Stop light switch (STP)

0V sensor

OEM-A33-19 CAN high (CANH)

OEM-A33-18 CAN low (CANL)

OEM-A36-18 Throttle position (VTA1)

OEM-A33-8 A/C pressure sensor (ACP)

OEM-A34-11 DI injector confirmation (IJF1)

SP-14V · 6 pins

SP-GND · 12 pins

SP-0V · 12 pins

SP-5V1 · 6 pins