100%
Stock ECU being replaced
ECU power +14V (main relay)
MICROSQUIRT-A-31 OPTO-
MICROSQUIRT-A-11 SPK B (IGN2)
MICROSQUIRT-A-12 SPK A (IGN 1)
MICROSQUIRT-A-8 FP (pump)
MICROSQUIRT-A-30 OPTO+
MICROSQUIRT-A-6 FLEX
MICROSQUIRT-A-29 SPAREADC
MICROSQUIRT-A-16 ALED
OEM-1
Stock ECU being replaced
BECU power +14V (main relay)
CStart signal
GIgnition 1 (coils 1+4, wasted spark)
HIgnition 2 (coils 2+3, wasted spark)
JA/C relay
MVehicle speed
PPower steering pressure switch
QA/C request
RCooling fan relay
GND
GND
GND
GND
MICROSQUIRT-A-32 VR1+
0V sensor
MICROSQUIRT-A-4 VR2+
MICROSQUIRT-A-35 TACHO
5V ref
MICROSQUIRT-A-27 TPS
MICROSQUIRT-A-34 O2
MICROSQUIRT-A-5 SPAREADC2 (MAF)
MICROSQUIRT-A-26 MAT
MICROSQUIRT-A-25 CLT
MICROSQUIRT-A-17 WLED
MICROSQUIRT-A-7 FIDLE
MICROSQUIRT-A-9 INJ 1
MICROSQUIRT-A-10 INJ 2
OEM-2
Stock ECU being replaced
APower ground
BPower ground
CPower ground
DPower ground
ECrank position (CAS NE)
FMAF ground
GCam position (CAS G)
ITachometer output
K+5V sensor supply
MThrottle position (TPS)
NO2 sensor
OMass air flow (MAF)
PIntake air temperature (IAT)
QCoolant temperature (ECT)
SCondenser fan relay
TFuel pump relay
UInjector 1
VInjector 2
MICROSQUIRT
MICROSQUIRT-A
MICROSQUIRT
1+12V In
4VR2+
5SPAREADC2 (MAF)
6FLEX
7FIDLE
8FP (pump)
9INJ 1
10INJ 2
11SPK B (IGN2)
12SPK A (IGN 1)
16ALED
17WLED
18Sensor Ground
19Serial Ground
20Sensor Ground
22POWER GROUND
23POWER GROUND
25CLT
26MAT
27TPS
28TPS VREF (5V)
29SPAREADC
30OPTO+
31OPTO-
32VR1+
34O2
35TACHO
+12V In
OEM-2-G Cam position (CAS G)
OEM-2-O Mass air flow (MAF)
OEM-1-P Power steering pressure switch
OEM-2-T Fuel pump relay
OEM-1-J A/C relay
OEM-2-U Injector 1
OEM-2-V Injector 2
OEM-1-G Ignition 1 (coils 1+4, wasted spark)
OEM-1-H Ignition 2 (coils 2+3, wasted spark)
OEM-1-R Cooling fan relay
OEM-2-S Condenser fan relay
0V sensor
0V sensor
0V sensor
GND
GND
OEM-2-Q Coolant temperature (ECT)
OEM-2-P Intake air temperature (IAT)
OEM-2-M Throttle position (TPS)
5V ref
OEM-1-Q A/C request
OEM-1-M Vehicle speed
OEM-1-C Start signal
OEM-2-E Crank position (CAS NE)
OEM-2-N O2 sensor
OEM-2-I Tachometer output
SP-14V · 3 pins
SP-0V · 5 pins
SP-GND · 7 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.