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
MAXXECURACE-C1-K1 INJ 1
MAXXECURACE-C1-B4 GPO 1
MAXXECURACE-C1-C4 GPO 2
MAXXECURACE-C1-K2 INJ 2
MAXXECURACE-C1-A4 GPO 8/TACHO
MAXXECURACE-C1-M3 INJ 5
MAXXECURACE-C1-M1 INJ 3
MAXXECURACE-C1-L3 INJ 6
MAXXECURACE-C1-L2 INJ 7
MAXXECURACE-C1-M2 INJ 4
MAXXECURACE-C1-D4 GPO 3
MAXXECURACE-C1-E4 GPO 4
MAXXECURACE-C1-L1 INJ 8
ISC valve +14V feed
MAXXECURACE-C1-C1 GPO 7
MAXXECURACE-C2-H2 MOTOR 1-
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
GND
MAXXECURACE-C2-H4 MOTOR 1+
MAXXECURACE-C1-A2 IGN 1
MAXXECURACE-C1-A1 GPO 5
MAXXECURACE-C1-A3 IGN 2
MAXXECURACE-C1-D1 WBO2 Heater-
MAXXECURACE-C2-H1 MOTOR 2+
MAXXECURACE-C1-B1 GPO 6
MAXXECURACE-C1-K4 DIN/VR 2
MAXXECURACE-C1-K3 DIN/VR 1
MAXXECURACE-C2-H3 MOTOR 2-
MAXXECURACE-C1-H4 HOME
MAXXECURACE-C1-H3 TRIGGER
OEM-3
Stock ECU being replaced
APower ground
BPower ground
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
MAXXECURACE-C2-G3 AIN 5 (0-5V)
MAXXECURACE-C2-F1 AIN 7 (0-5V)
MAXXECURACE-C1-J4 AIN 4 (0-5V)
ECU power +14V (main relay)
MAXXECURACE-C2-F3 DIN/VR 4
MAXXECURACE-C2-F4 DIN/VR 5
MAXXECURACE-C2-F2 AIN 8 (0-5V)
5V ref
MAXXECURACE-C2-E2 Knock 1
MAXXECURACE-C1-J2 AIN 2 (temperature)
0V sensor
MAXXECURACE-C1-J1 AIN 1 (temperature)
MAXXECURACE-C1-G2 TPS/AIN
MAXXECURACE-C2-E4 AIN 6 (0-5V)
MAXXECURACE-C1-J3 AIN 3 (0-5V)
OEM-4
Stock ECU being replaced
APower ground
AARear O2 signal
ADFuel level
AEPressure sensor (Mazda: EGR boost sensor)
AFECU power +14V (main relay)
BBrake switch
CPower steering pressure switch
FA/C request
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)
MAXXECURACE
MAXXECURACE-C1
MAXXECURACE
A1GPO 5
A2IGN 1
A3IGN 2
A4GPO 8/TACHO
B1GPO 6
B4GPO 1
C1GPO 7
C4GPO 2
D1WBO2 Heater-
D4GPO 3
E4GPO 4
G1+5V sensor supply
G2TPS/AIN
H1Sensor GND
H2Trigger GND
H3TRIGGER
H4HOME
J1AIN 1 (temperature)
J2AIN 2 (temperature)
J3AIN 3 (0-5V)
J4AIN 4 (0-5V)
K1INJ 1
K2INJ 2
K3DIN/VR 1
K4DIN/VR 2
L1INJ 8
L2INJ 7
L3INJ 6
L4Engine GND
M1INJ 3
M2INJ 4
M3INJ 5
M4+12V ECU power supply
OEM-3-H Main relay
OEM-3-F Ignition 1 (coils 1+4, wasted spark)
OEM-3-I Ignition 2 (coils 2+3, wasted spark)
OEM-2-E EGR valve
OEM-3-P Rear O2 heater
OEM-2-B Cooling fan relay
OEM-2-Q ISC valve low side
OEM-2-C Condenser fan relay
OEM-3-J Front O2 heater
OEM-2-K A/C clutch relay
OEM-2-M Fuel pump relay
5V ref
OEM-4-V Throttle position (TPS)
0V sensor
0V sensor
OEM-3-Y Crank position (CKP)
OEM-3-V Cam position (CMP)
OEM-4-P Coolant temperature (ECT)
OEM-4-N Intake air temperature (IAT)
OEM-4-X Mass air flow (MAF)
OEM-4-AE Pressure sensor (Mazda: EGR boost sensor)
OEM-2-A Injector 1
OEM-2-D Injector 2
OEM-3-T Vehicle speed
OEM-3-S Immobiliser
OEM-2-N VTCS solenoid (intake butterflies)
OEM-2-I EGR valve
OEM-2-H EGR valve
GND
OEM-2-G Injector 3
OEM-2-J Injector 4
OEM-2-F EGR valve
+12V ECU power supply
MAXXECURACE-C2
MAXXECURACE
E2Knock 1
E4AIN 6 (0-5V)
F1AIN 7 (0-5V)
F2AIN 8 (0-5V)
F3DIN/VR 4
F4DIN/VR 5
G3AIN 5 (0-5V)
G4ENGINE GROUND
H1MOTOR 2+
H2MOTOR 1-
H3MOTOR 2-
H4MOTOR 1+
OEM-4-M Knock sensor
OEM-4-W Front O2 signal
OEM-4-AD Fuel level
OEM-4-F A/C request
OEM-4-B Brake switch
OEM-4-C Power steering pressure switch
OEM-4-AA Rear O2 signal
GND
OEM-3-M Alternator control
OEM-2-R Malfunction indicator lamp (MIL)
OEM-3-U Charge lamp
OEM-3-E Charcoal canister purge
SP-0V · 4 pins
SP-14V · 4 pins
SP-GND · 6 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.
51 / 51 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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