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

ECU power +14V (main relay)

P8-C1-13 Map2/ALS/Ana1 On/Off

P8-C1-6 Shift Light

P8-C1-1 Coil 1

P8-C1-38 Coil 2

P8-C1-41 Fuel Pump Relay

P8-C1-21 Turbo Pressure Valve

P8-C1-11 Undriven Wheel (must)

P8-C1-14 Traction Wet/Dry

P8-C1-31 Launch Button

P8-C1-32 Traction On/Off

P8-C1-5 Aux Out 2

P8-C1-33 Shift Cut

OEM-1

Stock ECU being replaced

BECU power +14V (main relay)

CStart signal

EMalfunction indicator lamp (MIL)

GIgnition 1 (coils 1+4, wasted spark)

HIgnition 2 (coils 2+3, wasted spark)

JA/C relay

LCoolant fan relay

MVehicle speed

OStop light switch

PPower steering pressure switch

QA/C request

RCooling fan relay

VNeutral/clutch switch

GND

0V sensor

P8-C1-8 Crank Sensor

0V sensor

P8-C1-27 Cam Sensor

P8-C1-24 Tacho

5V ref

P8-C1-23 Turbo ALS Valve

P8-C1-48 Throttle Wiper

P8-C1-12 Lambda Signal

P8-C1-25 Analogue Input 1

P8-C1-45 Air Temp

P8-C1-26 Water Temp

P8-C1-17 Injector 5

P8-C1-43 Aux Out 3

P8-C1-42 Cam Phase Valve/Aux Out 4

P8-C1-37 Injector 1

P8-C1-18 Injector 2

P8-C1-4 Idle Valve

P8-C1-35 Injector 6

P8-C1-54 Injector 3

P8-C1-36 Injector 4

OEM-2

Stock ECU being replaced

APower ground

BPower ground

CSensor ground (E2)

DSensor ground (E2)

ECrank position (CAS NE)

FMAF ground

GCam position (CAS G)

ITachometer output

K+5V sensor supply

LRear defroster relay

MThrottle position (TPS)

NO2 sensor

OMass air flow (MAF)

PIntake air temperature (IAT)

QCoolant temperature (ECT)

RPRC solenoid (fuel pressure regulator)

SCondenser fan relay

TFuel pump relay

UInjector 1

VInjector 2

WISC solenoid

XEvap purge solenoid

YInjector 3

ZInjector 4

P8-C1

1Coil 1

4Idle Valve

5Aux Out 2

6Shift Light

8Crank Sensor

105 Volts

11Undriven Wheel (must)

12Lambda Signal

13Map2/ALS/Ana1 On/Off

14Traction Wet/Dry

15Power Ground

17Injector 5

18Injector 2

1912 Volts

21Turbo Pressure Valve

23Turbo ALS Valve

24Tacho

25Analogue Input 1

26Water Temp

27Cam Sensor

31Launch Button

32Traction On/Off

33Shift Cut

34Power Ground

35Injector 6

36Injector 4

37Injector 1

38Coil 2

41Fuel Pump Relay

42Cam Phase Valve/Aux Out 4

43Aux Out 3

45Air Temp

46Signal Ground

47Signal Ground

48Throttle Wiper

49Lambda Earth

51Signal Ground

54Injector 3

55Power Ground

OEM-1-G Ignition 1 (coils 1+4, wasted spark)

OEM-2-W ISC solenoid

OEM-1-R Cooling fan relay

OEM-1-E Malfunction indicator lamp (MIL)

OEM-2-E Crank position (CAS NE)

5V ref

OEM-1-M Vehicle speed

OEM-2-N O2 sensor

OEM-1-C Start signal

OEM-1-O Stop light switch

GND

OEM-2-R PRC solenoid (fuel pressure regulator)

OEM-2-V Injector 2

12 Volts

OEM-1-L Coolant fan relay

OEM-2-L Rear defroster relay

OEM-2-I Tachometer output

OEM-2-O Mass air flow (MAF)

OEM-2-Q Coolant temperature (ECT)

OEM-2-G Cam position (CAS G)

OEM-1-P Power steering pressure switch

OEM-1-Q A/C request

OEM-1-V Neutral/clutch switch

GND

OEM-2-X Evap purge solenoid

OEM-2-Z Injector 4

OEM-2-U Injector 1

OEM-1-H Ignition 2 (coils 2+3, wasted spark)

OEM-1-J A/C relay

OEM-2-T Fuel pump relay

OEM-2-S Condenser fan relay

OEM-2-P Intake air temperature (IAT)

0V sensor

OEM-2-M Throttle position (TPS)

0V sensor

OEM-2-Y Injector 3

GND

SP-14V · 3 pins

SP-GND · 6 pins

SP-0V · 8 pins