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
MAXXECUGEN2R-MX1-5 GP out 1 (GND)
MAXXECUGEN2R-MX1-6 GP out 2 (GND)
MAXXECUGEN2R-MX1-24 Digital/VR 4 SIGNAL +
MAXXECUGEN2R-MX1-17 GP out 5 (GND)
MAXXECUGEN2R-MX1-7 GP out 3 (GND)
MAXXECUGEN2R-MX4-3 Digital/VR 5 SIGNAL +
MAXXECUGEN2R-MX4-6 Digital/VR 6 SIGNAL +
MAXXECUGEN2R-MX1-23 Digital/VR 3 SIGNAL +
MAXXECUGEN2R-MX4-9 Digital/VR 7 SIGNAL +
MAXXECUGEN2R-MX1-8 GP out 4 (GND)
OEM-1
Stock ECU being replaced
ACooling fan relay (low-side)
BA/C condenser fan relay
CStarter input (12V while cranking)
ECheck engine light (MIL)
GA/C clutch relay
KA/C pressure switch (A/C request)
LClutch switch
MVehicle speed sensor (VSS)
QBrake switch
UFuel pump relay (low-side)
MAXXECUGEN2R-MX1-26 AIN 1
MAXXECUGEN2R-MX2-4 AIN 6
MAXXECUGEN2R-MX2-5 AIN 7
MAXXECUGEN2R-MX1-27 AIN 2
MAXXECUGEN2R-MX1-28 AIN 3
MAXXECUGEN2R-MX1-29 AIN 4
5V ref
MAXXECUGEN2R-MX2-13 AIN 9
MAXXECUGEN2R-MX2-6 AIN 8
MAXXECUGEN2R-MX4-28 Digital/VR 8 SIGNAL +
MAXXECUGEN2R-MX2-12 GP OUT 7 / WBO2 Sensor 1 H-
MAXXECUGEN2R-MX1-30 AIN 5
0V sensor
MAXXECUGEN2R-MX2-14 AIN 10
OEM-3
Stock ECU being replaced
BMAF sensor input
CFront O2 sensor input
DRear O2 sensor input
FThrottle position (TPS)
GEngine coolant temp (CLT)
HEGR boost sensor
I+5V sensor reference
JEGR valve position sensor
KIntake air temp (IAT)
LIdle switch (closed throttle)
MFront O2 heater control
NEGR boost sensor (2nd channel)
OSensor ground
PPower steering pressure switch
GND
ECU power +12V (main relay)
GND
GND
MAXXECUGEN2R-MX1-10 Digital/VR 1 SIGNAL +
MAXXECUGEN2R-MX1-18 Digital/VR 2 SIGNAL +
0V sensor
MAXXECUGEN2R-MX2-3 GP out 6 (GND)
GND
MAXXECUGEN2R-MX1-1 Ignition 1
MAXXECUGEN2R-MX3-12 GP Out 8 (GND) / WBO2 Sensor 2 H-
MAXXECUGEN2R-MX2-33 INJECTOR 5
MAXXECUGEN2R-MX2-34 INJECTOR 6
MAXXECUGEN2R-MX1-2 Ignition 2
MAXXECUGEN2R-MX3-29 INJECTOR 7
MAXXECUGEN2R-MX1-31 INJECTOR 1
MAXXECUGEN2R-MX1-32 INJECTOR 2
MAXXECUGEN2R-MX1-33 INJECTOR 3
MAXXECUGEN2R-MX1-34 INJECTOR 4
OEM-4
Stock ECU being replaced
AChassis ground
BECU power +12V (main relay)
CChassis ground
DChassis ground
ECrank position (CKP) sensor
GCAS SGC (cam sync)
HCrank pickup timing ground (CKP gnd)
JPRC solenoid (FPR control)
KChassis ground
NIgnition coil trigger (cyl 1&4)
OEGR vent solenoid
PEGR vacuum solenoid
QIdle air control (IAC) valve
RIgnition coil trigger (cyl 2&3)
TEVAP purge solenoid
UInjector 1 (cyl 1)
VInjector 2 (cyl 2)
WInjector 3 (cyl 3)
XInjector 4 (cyl 4)
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-4-N Ignition coil trigger (cyl 1&4)
OEM-4-R Ignition coil trigger (cyl 2&3)
OEM-1-A Cooling fan relay (low-side)
OEM-1-B A/C condenser fan relay
OEM-1-G A/C clutch relay
OEM-1-U Fuel pump relay (low-side)
GND
OEM-4-E Crank position (CKP) sensor
5V ref
0V sensor
OEM-1-E Check engine light (MIL)
OEM-4-G CAS SGC (cam sync)
OEM-1-M Vehicle speed sensor (VSS)
OEM-1-C Starter input (12V while cranking)
12V supply 1
OEM-3-B MAF sensor input
OEM-3-F Throttle position (TPS)
OEM-3-G Engine coolant temp (CLT)
OEM-3-H EGR boost sensor
OEM-3-N EGR boost sensor (2nd channel)
OEM-4-U Injector 1 (cyl 1)
OEM-4-V Injector 2 (cyl 2)
OEM-4-W Injector 3 (cyl 3)
OEM-4-X Injector 4 (cyl 4)
MAXXECUGEN2R-MX2
MAXXECUGEN2R
3GP out 6 (GND)
4AIN 6
5AIN 7
6AIN 8
9Engine gnd
12GP OUT 7 / WBO2 Sensor 1 H-
13AIN 9
14AIN 10
2512V supply 2
33INJECTOR 5
34INJECTOR 6
OEM-4-J PRC solenoid (FPR control)
OEM-3-C Front O2 sensor input
OEM-3-D Rear O2 sensor input
OEM-3-K Intake air temp (IAT)
GND
OEM-3-M Front O2 heater control
OEM-3-J EGR valve position sensor
OEM-3-P Power steering pressure switch
12V supply 2
OEM-4-P EGR vacuum solenoid
OEM-4-Q Idle air control (IAC) valve
MAXXECUGEN2R-MX3
MAXXECUGEN2R
9Engine gnd
12GP Out 8 (GND) / WBO2 Sensor 2 H-
29INJECTOR 7
GND
OEM-4-O EGR vent solenoid
OEM-4-T EVAP purge solenoid
MAXXECUGEN2R-MX4
MAXXECUGEN2R
3Digital/VR 5 SIGNAL +
6Digital/VR 6 SIGNAL +
9Digital/VR 7 SIGNAL +
28Digital/VR 8 SIGNAL +
OEM-1-K A/C pressure switch (A/C request)
OEM-1-L Clutch switch
OEM-1-Q Brake switch
OEM-3-L Idle switch (closed throttle)
SP-0V · 4 pins
SP-14V · 4 pins
SP-GND · 8 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.