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)

ELITE1500-A-13 12V ignition input

ELITE1500-A-1 DPO 2

ELITE1500-A-3 IGN 1

ELITE1500-A-4 IGN 2

ELITE1500-A-25 DPO 6 (ECR out)

ELITE1500-B-8 SPI 1

ELITE1500-B-9 SPI 2

ELITE1500-B-10 SPI 3

ELITE1500-B-7 SPI 4

ELITE1500-A-2 AVI 4

ELITE1500-A-18 DPO 1

ELITE1500-B-20 AVI 5

ELITE1500-B-12 AVI 6 (O2 Input 1)

ELITE1500-A-15 AVI 9 (MAP)

OEM-1

Stock ECU being replaced

BECU power +14V (main relay)

CIgnition on (+12V)

EMalfunction indicator lamp (MIL)

GIgnition 1 (coils 1+4, wasted spark)

HIgnition 2 (coils 2+3, wasted spark)

JA/C relay

KDiagnostic mode switch (TEN)

NWide-open throttle switch

OStop light switch

PPower steering pressure switch

QA/C thermo switch

RA/C extra cooling fan relay

SHeater control switch (A/C request)

UTail fuse / TNS (parking lamp +12V)

VNeutral/clutch switch

GND

0V sensor

ELITE1500-B-1 Crank (Trigger) (+)

F no data

ELITE1500-B-2 Cam (Home) (+)

ELITE1500-A-24 DPO 5 (fuel pump trigger)

5V ref

ELITE1500-A-14 AVI 10 (TPS)

ELITE1500-A-16 AVI 2

ELITE1500-A-17 AVI 3

ELITE1500-B-13 AVI 1 (O2 Input 2)

ELITE1500-B-3 AVI 7 (Air Temp)

ELITE1500-B-4 AVI 8 (Coolant Temp)

ELITE1500-A-19 INJ 1

ELITE1500-A-20 INJ 2

ELITE1500-A-23 DPO 3

ELITE1500-B-19 DPO 4

ELITE1500-A-21 INJ 3

ELITE1500-A-22 INJ 4

OEM-2

Stock ECU being replaced

APower ground

BPower ground

CSensor ground (E2)

DSensor ground (E2)

ECrank position (CAS NE)

F no data

GCam position (CAS G)

ITachometer output

K+5V sensor supply

LIdle switch (TPS)

MTPS signal (A/T)

NO2 sensor

OAir flow meter (AFM)

PIntake air temperature (IAT)

QCoolant temperature (ECT)

UInjector 1 & 3 (batch)

VInjector 2 & 4 (batch)

WIdle speed control (ISC) valve

XPurge solenoid valve

YInjector 3 (California sequential)

ZInjector 4 (California sequential)

ELITE1500

ELITE1500-A

ELITE1500

1DPO 2

2AVI 4

3IGN 1

4IGN 2

9+5V DC

10Battery ground

11Battery ground

1312V ignition input

14AVI 10 (TPS)

15AVI 9 (MAP)

16AVI 2

17AVI 3

18DPO 1

19INJ 1

20INJ 2

21INJ 3

22INJ 4

23DPO 3

24DPO 5 (fuel pump trigger)

25DPO 6 (ECR out)

26ECU injector power input

OEM-1-E Malfunction indicator lamp (MIL)

OEM-1-Q A/C thermo switch

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

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

5V ref

GND

OEM-1-C Ignition on (+12V)

OEM-2-L Idle switch (TPS)

OEM-1-V Neutral/clutch switch

OEM-2-M TPS signal (A/T)

OEM-2-N O2 sensor

OEM-1-R A/C extra cooling fan relay

OEM-2-U Injector 1 & 3 (batch)

OEM-2-V Injector 2 & 4 (batch)

OEM-2-Y Injector 3 (California sequential)

OEM-2-Z Injector 4 (California sequential)

OEM-2-W Idle speed control (ISC) valve

OEM-2-I Tachometer output

OEM-1-J A/C relay

ECU injector power input

ELITE1500-B

ELITE1500

1Crank (Trigger) (+)

2Cam (Home) (+)

3AVI 7 (Air Temp)

4AVI 8 (Coolant Temp)

5Crank (Trigger) (−)

6Cam (Home) (−)

7SPI 4

8SPI 1

9SPI 2

10SPI 3

11+13.8V ECU supply

12AVI 6 (O2 Input 1)

13AVI 1 (O2 Input 2)

14Signal ground

15Signal ground

16Signal ground

19DPO 4

20AVI 5

OEM-2-E Crank position (CAS NE)

OEM-2-G Cam position (CAS G)

OEM-2-P Intake air temperature (IAT)

OEM-2-Q Coolant temperature (ECT)

SP-0V · 2 pins

OEM-1-P Power steering pressure switch

OEM-1-K Diagnostic mode switch (TEN)

OEM-1-N Wide-open throttle switch

OEM-1-O Stop light switch

+13.8V ECU supply

OEM-1-U Tail fuse / TNS (parking lamp +12V)

OEM-2-O Air flow meter (AFM)

0V sensor

OEM-2-X Purge solenoid valve

OEM-1-S Heater control switch (A/C request)

SP-GND · 5 pins

SP-14V · 4 pins

SP-0V · 8 pins