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
PROTEUS-Black35-3 Injector 1
PROTEUS-Black35-20 Lowside 10
PROTEUS-Black35-9 Lowside 11
PROTEUS-Black35-15 Injector 2
PROTEUS-Black35-6 Injector 6
PROTEUS-Black35-7 Injector 7
PROTEUS-Black35-4 Injector 3
PROTEUS-Black35-19 Injector 8
PROTEUS-Black35-8 Injector 9
PROTEUS-Black35-16 Injector 4
PROTEUS-Black35-21 Lowside 12
L no data
PROTEUS-Black35-10 Lowside 13
PROTEUS-Black23-7 ETB 1 positive
PROTEUS-Black35-12 Lowside 15
ISC valve +14V feed
PROTEUS-Black35-5 Injector 5
PROTEUS-Black23-15 ETB 2 positive
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
L no data
MFuel pump relay
NVTCS solenoid (intake butterflies)
OFuel pump relay (non-immobiliser)
PISC valve +14V feed
QISC valve low side
RMalfunction indicator lamp (MIL)
GND
GND
PROTEUS-Black23-8 ETB 2 negative
E no data
PROTEUS-Black35-35 Ignition 1
G no data
PROTEUS-Black35-11 Lowside 14
PROTEUS-Black35-34 Ignition 2
PROTEUS-Black35-23 Lowside 16
L no data
N no data
PROTEUS-Black23-6 ETB 1 negative
R no data
PROTEUS-Black23-10 Digital 1
PROTEUS-Black23-2 Digital 3
PROTEUS-Black23-1 Digital 2
W–X no data
PROTEUS-Black23-5 VR 1 positive
Z no data
OEM-3
Stock ECU being replaced
APower ground
BPower ground
CPurge solenoid valve
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
PRear O2 heater
R no data
SImmobiliser
TVehicle speed
VCam position (CMP)
W–X no data
YCrank position (CKP)
Z no data
GND
PROTEUS-Black23-3 Digital 4
PROTEUS-Black23-9 Digital 5
VVT oil-control solenoid +12V feed
PROTEUS-Black23-11 Digital 6
G no data
PROTEUS-White35-16 Analog Volt 7
PROTEUS-White35-27 Analog Volt 8
PROTEUS-White35-17 Analog Volt 9
K no data
5V ref
PROTEUS-White35-34 Knock 1
PROTEUS-White35-30 Intake air temp (IAT)
0V sensor
PROTEUS-White35-20 Coolant temp (CLT)
Q no data
PROTEUS-Black23-18 Ignition switch in
U no data
PROTEUS-White35-14 Analog Volt 3
PROTEUS-White35-15 Analog Volt 5
PROTEUS-White35-13 Analog Volt 1
Y no data
PROTEUS-White35-25 Analog Volt 4
AB no data
PROTEUS-White35-26 Analog Volt 6
PROTEUS-White35-24 Analog Volt 2
ECU power +14V (main relay)
OEM-4
Stock ECU being replaced
APower ground
BBrake switch
CPower steering pressure switch
DVVT oil-control solenoid +12V feed
FA/C request
G no data
HNeutral switch
IClutch switch
JVTCS vacuum switch
K no data
L+5V sensor supply
MKnock sensor
NIntake air temperature (IAT)
OSignal ground
PCoolant temperature (ECT)
Q no data
SIgnition switch (IG1) sense
U no data
VThrottle position (TPS)
WFront O2 signal
XMass air flow (MAF)
Y no data
AARear O2 signal
AB no data
ADFuel level
AEPressure sensor (Mazda: EGR boost sensor)
AFECU power +14V (main relay)
PROTEUS
PROTEUS-Black23
PROTEUS
1Digital 2
2Digital 3
3Digital 4
5VR 1 positive
6ETB 1 negative
7ETB 1 positive
8ETB 2 negative
9Digital 5
10Digital 1
11Digital 6
13VR 1 negative
14Power ground
15ETB 2 positive
18Ignition switch in
19Power ground
20Power ground
23Main relay feed
OEM-3-V Cam position (CMP)
OEM-3-T Vehicle speed
OEM-4-B Brake switch
OEM-3-Y Crank position (CKP)
OEM-3-P Rear O2 heater
OEM-2-N VTCS solenoid (intake butterflies)
OEM-3-C Purge solenoid valve
OEM-4-C Power steering pressure switch
OEM-3-S Immobiliser
OEM-4-F A/C request
OEM-4-O Signal ground (via SP-0V)
GND
OEM-2-R Malfunction indicator lamp (MIL)
OEM-4-S Ignition switch (IG1) sense
GND
GND
Main relay feed
PROTEUS-Black35
PROTEUS
3Injector 1
4Injector 3
5Injector 5
6Injector 6
7Injector 7
8Injector 9
9Lowside 11
10Lowside 13
11Lowside 14
12Lowside 15
15Injector 2
16Injector 4
17Power ground
18Power ground
19Injector 8
20Lowside 10
21Lowside 12
23Lowside 16
24Power ground
34Ignition 2
35Ignition 1
OEM-2-A Injector 1
OEM-2-G Injector 3
OEM-2-Q ISC valve low side
OEM-2-E EGR valve
OEM-2-F EGR valve
OEM-2-I EGR valve
OEM-2-C Condenser fan relay
OEM-2-M Fuel pump relay
OEM-3-H Main relay
OEM-2-O Fuel pump relay (non-immobiliser)
OEM-2-D Injector 2
OEM-2-J Injector 4
GND
GND
OEM-2-H EGR valve
OEM-2-B Cooling fan relay
OEM-2-K A/C clutch relay
OEM-3-J Front O2 heater
GND
OEM-3-I Ignition 2 (coils 2+3, wasted spark)
OEM-3-F Ignition 1 (coils 1+4, wasted spark)
PROTEUS-White35
PROTEUS
1Sensor ground
2Sensor ground
3Sensor ground
4Sensor ground
5Sensor ground
6Sensor ground
7Sensor ground
8Sensor ground
105V supply #2
13Analog Volt 1
14Analog Volt 3
15Analog Volt 5
16Analog Volt 7
17Analog Volt 9
20Coolant temp (CLT)
23Sensor ground
24Analog Volt 2
25Analog Volt 4
26Analog Volt 6
27Analog Volt 8
29Sensor ground
30Intake air temp (IAT)
34Knock 1
0V sensor
0V sensor
0V sensor
0V sensor
0V sensor
0V sensor
0V sensor
0V sensor
5V ref
OEM-4-X Mass air flow (MAF)
OEM-4-V Throttle position (TPS)
OEM-4-W Front O2 signal
OEM-4-H Neutral switch
OEM-4-J VTCS vacuum switch
OEM-4-P Coolant temperature (ECT)
0V sensor
OEM-4-AE Pressure sensor (Mazda: EGR boost sensor)
OEM-4-AA Rear O2 signal
OEM-4-AD Fuel level
OEM-4-I Clutch switch
0V sensor
OEM-4-N Intake air temperature (IAT)
OEM-4-M Knock sensor
SP-GND · 10 pins
SP-14V · 5 pins
SP-0V · 13 pins
Press enter or space to select a node. You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.
Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.
68 / 68 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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