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
P8-C1-37 Injector 1
P8-C1-41 Fuel Pump Relay
P8-C1-5 Aux Out 2
P8-C1-18 Injector 2
P8-C1-16 Injector 8
P8-C1-54 Injector 3
P8-C1-36 Injector 4
P8-C1-43 Aux Out 3
L no data
P8-C1-42 Cam Phase Valve/Aux Out 4
P8-C1-23 Turbo ALS Valve
ISC valve +14V feed
P8-C1-53 Injector 7
OEM-2
Stock ECU being replaced
AInjector 1
BCooling fan relay
CCondenser fan relay
DInjector 2
EEGR valve
GInjector 3
JInjector 4
KA/C clutch relay
L no data
MFuel pump relay
OFuel pump relay (non-immobiliser)
PISC valve +14V feed
QISC valve low side
GND
GND
E no data
P8-C1-1 Coil 1
G no data
P8-C1-21 Turbo Pressure Valve
P8-C1-38 Coil 2
P8-C1-17 Injector 5
L no data
N no data
P8-C1-24 Tacho
P8-C1-35 Injector 6
R no data
P8-C1-13 Map2/ALS/Ana1 On/Off
P8-C1-11 Undriven Wheel (must)
P8-C1-27 Cam Sensor
W–X no data
P8-C1-8 Crank Sensor
Z no data
OEM-3
Stock ECU being replaced
APower ground
BPower ground
E no data
FIgnition 1 (coils 1+4, wasted spark)
G no data
HMain relay
IIgnition 2 (coils 2+3, wasted spark)
JFront O2 heater
L no data
N no data
OTachometer output
PRear O2 heater
R no data
SImmobiliser
TVehicle speed
VCam position (CMP)
W–X no data
YCrank position (CKP)
Z no data
GND
P8-C1-14 Traction Wet/Dry
P8-C1-31 Launch Button
RLY1-R-OUT Relay contact output (switched +12 V to load)
RLY2-R-OUT Relay contact output (switched +12 V to load)
P8-C1-32 Traction On/Off
G no data
P8-C1-33 Shift Cut
P8-C1-29 Left Driven Wheel
P8-C1-50 Undriven Wheel (optional)
K no data
5V ref
P8-C1-44 Analogue Input 3
0V sensor
P8-C1-26 Water Temp
Q no data
P8-C1-45 Air Temp
U no data
P8-C1-48 Throttle Wiper
P8-C1-7 Analogue Input 2 Or Log Switch
P8-C1-25 Analogue Input 1
Y no data
P8-C1-12 Lambda Signal
AB no data
P8-C1-30 Map
ECU power +14V (main relay)
OEM-4
Stock ECU being replaced
APower ground
BBrake switch
CPower steering pressure switch
DBoost control solenoid (turbo)
EBoost control solenoid (turbo)
FA/C request
G no data
HNeutral switch
IClutch switch
JVTCS vacuum switch
K no data
L+5V sensor supply
NIntake air temperature (IAT)
OSignal ground
PCoolant temperature (ECT)
Q no data
RIntake air temperature 2 (IAT2, turbo)
U no data
VThrottle position (TPS)
WFront O2 signal
XMass air flow (MAF)
Y no data
AARear O2 signal
AB no data
AEBARO/MAP sensor (turbo boost pressure)
AFECU power +14V (main relay)
P8
P8-C1
P8
1Coil 1
4Idle Valve
5Aux Out 2
6Shift Light
7Analogue Input 2 Or Log Switch
8Crank Sensor
105 Volts
11Undriven Wheel (must)
12Lambda Signal
13Map2/ALS/Ana1 On/Off
14Traction Wet/Dry
15Power Ground
16Injector 8
17Injector 5
18Injector 2
1912 Volts
21Turbo Pressure Valve
23Turbo ALS Valve
24Tacho
25Analogue Input 1
26Water Temp
27Cam Sensor
29Left Driven Wheel
30Map
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
44Analogue Input 3
45Air Temp
46Signal Ground
47Signal Ground
48Throttle Wiper
49Lambda Earth
50Undriven Wheel (optional)
51Signal Ground
53Injector 7
54Injector 3
55Power Ground
OEM-3-F Ignition 1 (coils 1+4, wasted spark)
RLY1-R-COIL- Relay coil negative (ECU low-side driver)
OEM-2-C Condenser fan relay
RLY2-R-COIL- Relay coil negative (ECU low-side driver)
OEM-4-W Front O2 signal
OEM-3-Y Crank position (CKP)
5V ref
OEM-3-T Vehicle speed
OEM-4-AA Rear O2 signal
OEM-3-S Immobiliser
OEM-4-B Brake switch
GND
OEM-2-E EGR valve
OEM-3-J Front O2 heater
OEM-2-D Injector 2
12 Volts
OEM-3-H Main relay
OEM-2-O Fuel pump relay (non-immobiliser)
OEM-3-O Tachometer output
OEM-4-X Mass air flow (MAF)
OEM-4-P Coolant temperature (ECT)
OEM-3-V Cam position (CMP)
OEM-4-I Clutch switch
OEM-4-AE BARO/MAP sensor (turbo boost pressure)
OEM-4-C Power steering pressure switch
OEM-4-F A/C request
OEM-4-H Neutral switch
GND
OEM-3-P Rear O2 heater
OEM-2-J Injector 4
OEM-2-A Injector 1
OEM-3-I Ignition 2 (coils 2+3, wasted spark)
OEM-2-B Cooling fan relay
OEM-2-M Fuel pump relay
OEM-2-K A/C clutch relay
OEM-4-N Intake air temperature (IAT)
OEM-4-R Intake air temperature 2 (IAT2, turbo)
0V sensor
0V sensor
OEM-4-V Throttle position (TPS)
0V sensor
OEM-4-J VTCS vacuum switch
0V sensor
OEM-2-Q ISC valve low side
OEM-2-G Injector 3
GND
RLY1
RLY1-R
RLY1
INRelay contact input (switched +12 V)
OUTRelay contact output (switched +12 V to load)
COIL+Relay coil positive (switched +12 V)
COIL-Relay coil negative (ECU low-side driver)
SP-14V · 5 pins
OEM-4-D Boost control solenoid (turbo)
Relay coil positive (switched +12 V)
P8-C1-4 Idle Valve
RLY2
RLY2-R
RLY2
INRelay contact input (switched +12 V)
OUTRelay contact output (switched +12 V to load)
COIL+Relay coil positive (switched +12 V)
COIL-Relay coil negative (ECU low-side driver)
SP-14V · 5 pins
OEM-4-E Boost control solenoid (turbo)
Relay coil positive (switched +12 V)
P8-C1-6 Shift Light
SP-GND · 7 pins
SP-0V · 6 pins
SP-14V · 8 pins
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Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.