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)
MAXXECUSPORT-C1-K4 DIN 2
MAXXECUSPORT-C1-M3 INJ 5
MAXXECUSPORT-C1-A2 IGN 1
MAXXECUSPORT-C1-A3 IGN 2
MAXXECUSPORT-C1-B4 GPO 1
MAXXECUSPORT-C1-B1 GPO 5
MAXXECUSPORT-C1-K3 DIN 1
MAXXECUSPORT-C1-C1 AIN 5 (0-5V)
MAXXECUSPORT-C1-D2 AIN 6 (0-5V)
MAXXECUSPORT-C1-D3 AIN 7 (0-5V)
MAXXECUSPORT-C1-C4 GPO 2
MAXXECUSPORT-C1-E4 AIN 8 (0-5V)
OEM-1
Stock ECU being replaced
BECU power +14V (main relay)
CStart signal
EMalfunction indicator lamp (MIL)
GIgnition 1 (coils 1+4, wasted spark)
HIgnition 2 (coils 2+3, wasted spark)
JA/C relay
LCoolant fan relay
MVehicle speed
OStop light switch
PPower steering pressure switch
QA/C request
RCooling fan relay
VNeutral/clutch switch
GND
GND
0V sensor
0V sensor
MAXXECUSPORT-C1-H3 TRIGGER
0V sensor
MAXXECUSPORT-C1-H4 HOME
5V ref
MAXXECUSPORT-C1-A4 GPO 8/TACHO
MAXXECUSPORT-C1-G2 TPS/AIN
MAXXECUSPORT-C1-J4 AIN 4 (0-5V)
MAXXECUSPORT-C1-J3 AIN 3 (0-5V)
MAXXECUSPORT-C1-F2 IAT
MAXXECUSPORT-C1-F1 CLT
MAXXECUSPORT-C1-L3 INJ 6
MAXXECUSPORT-C1-D4 GPO 3
MAXXECUSPORT-C1-A1 GPO 4
MAXXECUSPORT-C1-K1 INJ 1
MAXXECUSPORT-C1-K2 INJ 2
MAXXECUSPORT-C1-D1 WBO2 Heater-
MAXXECUSPORT-C1-M1 INJ 3
MAXXECUSPORT-C1-M2 INJ 4
OEM-2
Stock ECU being replaced
APower ground
BPower ground
CSensor ground (E2)
DSensor ground (E2)
ECrank position (CAS NE)
FMAF ground
GCam position (CAS G)
K+5V sensor supply
LRear defroster relay
MThrottle position (TPS)
NO2 sensor
OMass air flow (MAF)
PIntake air temperature (IAT)
QCoolant temperature (ECT)
RPRC solenoid (fuel pressure regulator)
SCondenser fan relay
TFuel pump relay
UInjector 1
VInjector 2
WISC solenoid
YInjector 3
ZInjector 4
MAXXECUSPORT
MAXXECUSPORT-C1
MAXXECUSPORT
A1GPO 4
A2IGN 1
A3IGN 2
A4GPO 8/TACHO
B1GPO 5
B4GPO 1
C1AIN 5 (0-5V)
C4GPO 2
D1WBO2 Heater-
D2AIN 6 (0-5V)
D3AIN 7 (0-5V)
D4GPO 3
E4AIN 8 (0-5V)
F1CLT
F2IAT
G1+5V sensor supply
G2TPS/AIN
H1Sensor GND
H2Trigger GND
H3TRIGGER
H4HOME
J3AIN 3 (0-5V)
J4AIN 4 (0-5V)
K1INJ 1
K2INJ 2
K3DIN 1
K4DIN 2
L3INJ 6
L4Engine GND
M1INJ 3
M2INJ 4
M3INJ 5
M4+12V ECU power supply
OEM-2-T Fuel pump relay
OEM-1-G Ignition 1 (coils 1+4, wasted spark)
OEM-1-H Ignition 2 (coils 2+3, wasted spark)
OEM-2-L Rear defroster relay
OEM-1-L Coolant fan relay
OEM-1-J A/C relay
OEM-1-O Stop light switch
OEM-1-R Cooling fan relay
OEM-2-W ISC solenoid
OEM-1-P Power steering pressure switch
OEM-1-Q A/C request
OEM-2-S Condenser fan relay
OEM-1-V Neutral/clutch switch
OEM-2-Q Coolant temperature (ECT)
OEM-2-P Intake air temperature (IAT)
5V ref
OEM-2-M Throttle position (TPS)
0V sensor
0V sensor
OEM-2-E Crank position (CAS NE)
OEM-2-G Cam position (CAS G)
OEM-2-O Mass air flow (MAF)
OEM-2-N O2 sensor
OEM-2-U Injector 1
OEM-2-V Injector 2
OEM-1-M Vehicle speed
OEM-1-C Start signal
OEM-2-R PRC solenoid (fuel pressure regulator)
GND
OEM-2-Y Injector 3
OEM-2-Z Injector 4
OEM-1-E Malfunction indicator lamp (MIL)
+12V ECU power supply
SP-14V · 3 pins
SP-0V · 6 pins
SP-GND · 4 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.
39 / 39 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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