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)
MAXXECUGEN2R-MX1-23 Digital/VR 3 SIGNAL +
MAXXECUGEN2R-MX1-7 GP out 3 (GND)
MAXXECUGEN2R-MX1-1 Ignition 1
MAXXECUGEN2R-MX1-2 Ignition 2
MAXXECUGEN2R-MX1-5 GP out 1 (GND)
MAXXECUGEN2R-MX1-24 Digital/VR 4 SIGNAL +
MAXXECUGEN2R-MX4-3 Digital/VR 5 SIGNAL +
MAXXECUGEN2R-MX4-6 Digital/VR 6 SIGNAL +
MAXXECUGEN2R-MX1-6 GP out 2 (GND)
MAXXECUGEN2R-MX4-9 Digital/VR 7 SIGNAL +
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
NWide-open throttle switch
PPower steering pressure switch
QA/C request
RA/C extra cooling fan relay
VNeutral/clutch switch
GND
GND
0V sensor
0V sensor
MAXXECUGEN2R-MX1-10 Digital/VR 1 SIGNAL +
F no data
MAXXECUGEN2R-MX1-18 Digital/VR 2 SIGNAL +
MAXXECUGEN2R-MX2-3 GP out 6 (GND)
5V ref
MAXXECUGEN2R-MX4-28 Digital/VR 8 SIGNAL +
MAXXECUGEN2R-MX1-28 AIN 3
MAXXECUGEN2R-MX1-29 AIN 4
MAXXECUGEN2R-MX1-27 AIN 2
MAXXECUGEN2R-MX1-30 AIN 5
MAXXECUGEN2R-MX1-26 AIN 1
MAXXECUGEN2R-MX1-31 INJECTOR 1
MAXXECUGEN2R-MX1-32 INJECTOR 2
MAXXECUGEN2R-MX1-8 GP out 4 (GND)
MAXXECUGEN2R-MX1-17 GP out 5 (GND)
MAXXECUGEN2R-MX1-33 INJECTOR 3
MAXXECUGEN2R-MX1-34 INJECTOR 4
OEM-2
Stock ECU being replaced
APower ground
BPower ground
CSensor ground (E2)
DSensor ground (E2)
ECrank position (CAS NE)
F no data
GCam position (CAS G)
ITachometer output
K+5V sensor supply
LIdle switch (TPS)
MTPS signal (A/T)
NO2 sensor
OAir flow meter (AFM)
PIntake air temperature (IAT)
QCoolant temperature (ECT)
UInjector 1 & 3 (batch)
VInjector 2 & 4 (batch)
WIdle speed control (ISC) valve
XPurge solenoid valve
YInjector 3 (California sequential)
ZInjector 4 (California sequential)
MAXXECUGEN2R
MAXXECUGEN2R-MX1
MAXXECUGEN2R
1Ignition 1
2Ignition 2
5GP out 1 (GND)
6GP out 2 (GND)
7GP out 3 (GND)
8GP out 4 (GND)
9Engine gnd
10Digital/VR 1 SIGNAL +
12Digital/VR 1 POWER SUPPLY
14SENSOR GND
17GP out 5 (GND)
18Digital/VR 2 SIGNAL +
23Digital/VR 3 SIGNAL +
24Digital/VR 4 SIGNAL +
2512V supply 1
26AIN 1
27AIN 2
28AIN 3
29AIN 4
30AIN 5
31INJECTOR 1
32INJECTOR 2
33INJECTOR 3
34INJECTOR 4
OEM-1-G Ignition 1 (coils 1+4, wasted spark)
OEM-1-H Ignition 2 (coils 2+3, wasted spark)
OEM-1-J A/C relay
OEM-1-R A/C extra cooling fan relay
OEM-1-E Malfunction indicator lamp (MIL)
OEM-2-W Idle speed control (ISC) valve
GND
OEM-2-E Crank position (CAS NE)
5V ref
0V sensor
OEM-2-X Purge solenoid valve
OEM-2-G Cam position (CAS G)
OEM-1-C Start signal
OEM-1-N Wide-open throttle switch
12V supply 1
OEM-2-Q Coolant temperature (ECT)
OEM-2-O Air flow meter (AFM)
OEM-2-M TPS signal (A/T)
OEM-2-N O2 sensor
OEM-2-P Intake air temperature (IAT)
OEM-2-U Injector 1 & 3 (batch)
OEM-2-V Injector 2 & 4 (batch)
OEM-2-Y Injector 3 (California sequential)
OEM-2-Z Injector 4 (California sequential)
MAXXECUGEN2R-MX2
MAXXECUGEN2R
3GP out 6 (GND)
9Engine gnd
2512V supply 2
OEM-2-I Tachometer output
GND
12V supply 2
MAXXECUGEN2R-MX3
MAXXECUGEN2R
9Engine gnd
GND
MAXXECUGEN2R-MX4
MAXXECUGEN2R
3Digital/VR 5 SIGNAL +
6Digital/VR 6 SIGNAL +
9Digital/VR 7 SIGNAL +
28Digital/VR 8 SIGNAL +
OEM-1-P Power steering pressure switch
OEM-1-Q A/C request
OEM-1-V Neutral/clutch switch
OEM-2-L Idle switch (TPS)
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.
37 / 37 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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