100%
Stock ECU being replaced
ECU power +14V (main relay)
SL4-A-12 Auxiliary output 3
SL4-A-21 Digital input 2
SL4-A-22 Digital input 3
SL4-B-3 EFI relay output (low side, 200 mA)
SL4-A-13 Auxiliary output 4
SL4-A-23 Digital input 4
SL4-A-18 Auxiliary output 9
SL4-A-14 Auxiliary output 5
SL4-A-15 Auxiliary output 6
SL4-A-17 Auxiliary output 8
SL4-A-24 Digital input 5
OEM-1
Stock ECU being replaced
BECU power +14V (main relay)
EMalfunction indicator lamp (MIL)
FBrake switch
GPower steering pressure switch
ICondenser fan relay
OAlternator control
PA/C request
QCharge lamp
RCooling fan relay
SA/C clutch relay
UFront O2 heater
VNeutral switch
SL4-B-20 Analog input 7 (switchable 1k pull-up)
SL4-B-19 Analog input 6
SL4-B-13 Analog input 3
SL4-A-20 Digital input 1
SL4-B-15 Analog input 5
SL4-B-16 Knock 1 +
SL4-B-7 Sync sensor +
5V ref
SL4-B-5 Crank index sensor +
SL4-B-11 Analog input 1
SL4-A-19 Auxiliary output 10
OEM-2
Stock ECU being replaced
AFuel tank pressure
BIntake air temperature (IAT)
CFront O2 signal
DVehicle speed
ECoolant temperature (ECT)
FKnock sensor
HCam position (CMP)
I+5V sensor supply
JCrank position (CKP)
LMass air flow (MAF)
MEGR valve
GND
GND
GND
SL4-B-12 Analog input 2
0V sensor
SL4-A-26 Ignition channel 1
SL4-A-27 Ignition channel 2
SL4-A-25 Digital input 6
SL4-B-14 Analog input 4
SL4-B-21 Analog input 8 (switchable 1k pull-up)
ISC valve +14V feed
SL4-A-16 Auxiliary output 7
SL4-A-11 Auxiliary output 2
SL4-B-22 Analog input 9 (switchable 1k pull-up)
SL4-A-10 Auxiliary output 1
SL4-A-1 Injection channel 1
SL4-A-2 Injection channel 2
SL4-A-3 Injection channel 3
SL4-A-4 Injection channel 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)
IClutch switch
JRear O2 signal
KFuel level
MISC valve +14V feed
NFuel pump relay
OISC valve low side
SEGR boost sensor
VRear O2 heater
WInjector 1
XInjector 2
YInjector 3
ZInjector 4
SL4
SL4-A
SL4
1Injection channel 1
2Injection channel 2
3Injection channel 3
4Injection channel 4
5–8 no data
10Auxiliary output 1
11Auxiliary output 2
12Auxiliary output 3
13Auxiliary output 4
14Auxiliary output 5
15Auxiliary output 6
16Auxiliary output 7
17Auxiliary output 8
18Auxiliary output 9
19Auxiliary output 10
20Digital input 1
21Digital input 2
22Digital input 3
23Digital input 4
24Digital input 5
25Digital input 6
26Ignition channel 1
27Ignition channel 2
30–33 no data
34Aux 9–10 14V supply
OEM-3-W Injector 1
OEM-3-X Injector 2
OEM-3-Y Injector 3
OEM-3-Z Injector 4
5–8 no data
OEM-3-V Rear O2 heater
OEM-3-O ISC valve low side
OEM-1-E Malfunction indicator lamp (MIL)
OEM-1-O Alternator control
OEM-1-R Cooling fan relay
OEM-1-S A/C clutch relay
OEM-3-N Fuel pump relay
OEM-1-U Front O2 heater
OEM-1-Q Charge lamp
OEM-2-M EGR valve
OEM-2-D Vehicle speed
OEM-1-F Brake switch
OEM-1-G Power steering pressure switch
OEM-1-P A/C request
OEM-1-V Neutral switch
OEM-3-I Clutch switch
OEM-3-G Ignition 1 (coils 1+4, wasted spark)
OEM-3-H Ignition 2 (coils 2+3, wasted spark)
30–33 no data
Aux 9–10 14V supply
SL4-B
SL4
1ECU 14V supply
2Sensor supply Vref1 5.0V
3EFI relay output (low side, 200 mA)
5Crank index sensor +
6Crank index sensor −
7Sync sensor +
8Sync sensor −
10Analog sensor 0V reference
11Analog input 1
12Analog input 2
13Analog input 3
14Analog input 4
15Analog input 5
16Knock 1 +
18ECU ground
19Analog input 6
20Analog input 7 (switchable 1k pull-up)
21Analog input 8 (switchable 1k pull-up)
22Analog input 9 (switchable 1k pull-up)
26ECU ground
29–30 no data
ECU 14V supply
5V ref
OEM-1-I Condenser fan relay
OEM-2-J Crank position (CKP)
OEM-3-F Signal ground (via SP-0V)
OEM-2-H Cam position (CMP)
OEM-3-F Signal ground (via SP-0V)
0V sensor
OEM-2-L Mass air flow (MAF)
OEM-3-E Throttle position (TPS)
OEM-2-C Front O2 signal
OEM-3-J Rear O2 signal
OEM-2-E Coolant temperature (ECT)
OEM-2-F Knock sensor
GND
OEM-2-B Intake air temperature (IAT)
OEM-2-A Fuel tank pressure
OEM-3-K Fuel level
OEM-3-S EGR boost sensor
GND
29–30 no data
SP-14V · 5 pins
SP-0V · 5 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.