Pinswap: ECU harness builder

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Stock ECU being replaced

KV8-B-1 Injection 1

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

KV8-B-14 Aux 5

KV8-B-2 Injection 2

KV8-B-11 Aux 2

KV8-B-12 Aux 3

KV8-B-3 Injection 3

KV8-B-13 Aux 4

KV8-B-5 Injection 5

KV8-B-4 Injection 4

KV8-B-15 Aux 6

KV8-B-16 Aux 7

KV8-B-6 Injection 6

ISC valve +14V feed

KV8-B-10 Aux 1

KV8-B-7 Injection 7

OEM-2

Stock ECU being replaced

AInjector 1

BCooling fan relay

CCondenser fan relay

DInjector 2

EEGR valve

FEGR valve

GInjector 3

HEGR valve

IEGR valve

JInjector 4

KA/C clutch relay

MFuel pump relay

NVTCS solenoid (intake butterflies)

PISC valve +14V feed

QISC valve low side

RMalfunction indicator lamp (MIL)

GND

KV8-B-8 Injection 8

KV8-B-18 Aux 9

KV8-B-26 Ignition 1

KV8-B-17 Aux 8

KV8-B-27 Ignition 2

KV8-A-10 Lambda 1 heater −

KV8-B-19 Aux 10

KV8-A-11 Lambda 2 heater −

KV8-C-28 Digital in 2

KV8-C-27 Digital in 1

KV8-B-20 Aux 11

KV8-D-6 Sync sensor +

KV8-D-4 Crank index sensor +

OEM-3

Stock ECU being replaced

APower ground

BPower ground

DEGR boost solenoid

ECharcoal canister purge

FIgnition 1 (coils 1+4, wasted spark)

HMain relay

IIgnition 2 (coils 2+3, wasted spark)

JFront O2 heater

MAlternator control

PRear O2 heater

SImmobiliser

TVehicle speed

UCharge lamp

VCam position (CMP)

YCrank position (CKP)

GND

KV8-C-4 Analog in 3

KV8-C-8 Analog in 7

ECU power +14V (main relay)

KV8-C-29 Digital in 3

KV8-C-30 Digital in 4

KV8-B-21 Aux 12

KV8-C-31 Digital in 5

KV8-C-32 Digital in 6

KV8-C-33 Digital in 7

KV8-C-34 Digital in 8

5V ref

KV8-D-11 Knock 1 +

KV8-C-7 Analog in 6

0V sensor

KV8-C-6 Analog in 5

KV8-C-3 Analog in 2

KV8-C-5 Analog in 4

KV8-C-2 Analog in 1

OEM-4

Stock ECU being replaced

APower ground

AARear O2 signal

ADFuel level

AFECU power +14V (main relay)

BBrake switch

CPower steering pressure switch

DVVT oil-control solenoid

FA/C request

HNeutral switch

IClutch switch

JVTCS vacuum switch

L+5V sensor supply

MKnock sensor

NIntake air temperature (IAT)

OSignal ground

PCoolant temperature (ECT)

VThrottle position (TPS)

WFront O2 signal

XMass air flow (MAF)

KV8

KV8-A

KV8

10Lambda 1 heater −

11Lambda 2 heater −

OEM-3-J Front O2 heater

OEM-3-P Rear O2 heater

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

18Aux 9

19Aux 10

20Aux 11

21Aux 12

26Ignition 1

27Ignition 2

34ECU ground

OEM-2-A Injector 1

OEM-2-D Injector 2

OEM-2-G Injector 3

OEM-2-J Injector 4

OEM-2-I EGR valve

OEM-2-N VTCS solenoid (intake butterflies)

OEM-2-R Malfunction indicator lamp (MIL)

OEM-3-D EGR boost solenoid

GND

OEM-2-Q ISC valve low side

OEM-2-E EGR valve

OEM-2-F EGR valve

OEM-2-H EGR valve

OEM-2-C Condenser fan relay

OEM-2-K A/C clutch relay

OEM-2-M Fuel pump relay

OEM-3-H Main relay

OEM-3-E Charcoal canister purge

OEM-3-M Alternator control

OEM-3-U Charge lamp

OEM-4-D VVT oil-control solenoid

OEM-3-F Ignition 1 (coils 1+4, wasted spark)

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

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

17Analog sensor 0V reference

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-4-X Mass air flow (MAF)

OEM-4-V Throttle position (TPS)

OEM-4-AA Rear O2 signal

OEM-4-W Front O2 signal

OEM-4-P Coolant temperature (ECT)

OEM-4-N Intake air temperature (IAT)

OEM-4-AD Fuel level

0V sensor

GND

OEM-3-T Vehicle speed

OEM-3-S Immobiliser

OEM-4-B Brake switch

OEM-4-C Power steering pressure switch

OEM-4-F A/C request

OEM-4-H Neutral switch

OEM-4-I Clutch switch

OEM-4-J VTCS vacuum switch

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 +

20Aux 9–12 14V supply

21Sensor supply Vref1 5.0V

ECU 14V supply

Aux 13–16 14V supply

OEM-3-Y Crank position (CKP)

OEM-4-O Signal ground (via SP-0V)

OEM-3-V Cam position (CMP)

OEM-4-O Signal ground (via SP-0V)

OEM-2-B Cooling fan relay

OEM-4-M Knock sensor

Aux 9–12 14V supply

5V ref

SP-GND · 8 pins

SP-14V · 6 pins

SP-0V · 6 pins