100%
Stock ECU being replaced
ECU power +14V (main relay)
ME221-C1-67 Stepper 1 / A1
ME221-C1-7 DIG_IN 2
ME221-C1-73 LOW SIDE 1
ME221-C1-68 Stepper 2 / A2
ME221-C1-70 Stepper 3 / B1
ME221-C1-12 LOW SIDE 2
ME221-C1-74 LOW SIDE 3
ME221-C1-16 LSU HEATER -VE
OEM-1
Stock ECU being replaced
BECU power +14V (main relay)
EMalfunction indicator lamp (MIL)
FBrake switch
ICondenser fan relay
OAlternator control
QCharge lamp
RCooling fan relay
SA/C clutch relay
UFront O2 heater
ME221-C1-57 ANA TEMP 2
ME221-C1-17 ANA VOLT 3
ME221-C1-6 DIG_IN 1
ME221-C1-86 ANA TEMP 1
ME221-C1-53 KNOCK 1 SIGNAL
ME221-C1-22 CAM A VR+
5V ref
ME221-C1-80 CRANK VR+
ME221-C1-79 TACHOMETER
ME221-C1-26 ANA VOLT 1
ME221-C1-71 Stepper 4 / B2
OEM-2
Stock ECU being replaced
BIntake air temperature (IAT)
CFront O2 signal
DVehicle speed
ECoolant temperature (ECT)
FKnock sensor
HCam position (CMP)
I+5V sensor supply
JCrank position (CKP)
KTachometer output
LMass air flow (MAF)
MEGR valve
GND
GND
GND
ME221-C1-56 ANA VOLT 2
0V sensor
ME221-C1-32 COIL 1
ME221-C1-31 COIL 2
ME221-C1-18 ANA VOLT 4
ISC valve +14V feed
ME221-C1-44 LOW SIDE 4
ME221-C1-39 LOW SIDE 6
ME221-C1-69 LOW SIDE 5
ME221-C1-63 INJECTOR 1
ME221-C1-4 INJECTOR 2
ME221-C1-33 INJECTOR 3
ME221-C1-3 INJECTOR 4
OEM-3
Stock ECU being replaced
APower ground
BPower ground
CPower ground
EThrottle position (TPS)
FSignal ground
GIgnition 1 (coils 1+4, wasted spark)
HIgnition 2 (coils 2+3, wasted spark)
JRear O2 signal
MISC valve +14V feed
NFuel pump relay
OISC valve low side
VRear O2 heater
WInjector 1
XInjector 2
YInjector 3
ZInjector 4
ME221
ME221-C1
ME221
3INJECTOR 4
4INJECTOR 2
6DIG_IN 1
7DIG_IN 2
10GROUND CHASSIS
12LOW SIDE 2
14VBAT IGNITION
16LSU HEATER -VE
17ANA VOLT 3
18ANA VOLT 4
22CAM A VR+
26ANA VOLT 1
31COIL 2
32COIL 1
33INJECTOR 3
39LOW SIDE 6
44LOW SIDE 4
455V REF
52SENSORS GROUND
53KNOCK 1 SIGNAL
56ANA VOLT 2
57ANA TEMP 2
61GROUND
63INJECTOR 1
64VBAT
67Stepper 1 / A1
68Stepper 2 / A2
69LOW SIDE 5
70Stepper 3 / B1
71Stepper 4 / B2
73LOW SIDE 1
74LOW SIDE 3
79TACHOMETER
80CRANK VR+
84Sensor Ground
86ANA TEMP 1
89GROUND
90GROUND
OEM-3-Z Injector 4
OEM-3-X Injector 2
OEM-2-D Vehicle speed
OEM-1-F Brake switch
GND
OEM-1-R Cooling fan relay
VBAT IGNITION
OEM-1-U Front O2 heater
OEM-2-C Front O2 signal
OEM-3-J Rear O2 signal
OEM-2-H Cam position (CMP)
OEM-2-L Mass air flow (MAF)
OEM-3-H Ignition 2 (coils 2+3, wasted spark)
OEM-3-G Ignition 1 (coils 1+4, wasted spark)
OEM-3-Y Injector 3
OEM-3-O ISC valve low side
OEM-3-N Fuel pump relay
5V ref
0V sensor
OEM-2-F Knock sensor
OEM-3-E Throttle position (TPS)
OEM-2-B Intake air temperature (IAT)
GND
OEM-3-W Injector 1
VBAT
OEM-1-E Malfunction indicator lamp (MIL)
OEM-1-O Alternator control
OEM-3-V Rear O2 heater
OEM-1-Q Charge lamp
OEM-2-M EGR valve
OEM-1-I Condenser fan relay
OEM-1-S A/C clutch relay
OEM-2-K Tachometer output
OEM-2-J Crank position (CKP)
0V sensor
OEM-2-E Coolant temperature (ECT)
GND
GND
SP-14V · 5 pins
SP-GND · 8 pins
SP-0V · 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.