100%
Stock ECU being replaced
SL4-A-1 Injection channel 1
SL4-B-3 EFI relay output (low side, 200 mA)
SL4-A-14 Auxiliary output 5
SL4-A-2 Injection channel 2
SL4-A-13 Auxiliary output 4
SL4-A-18 Auxiliary output 9
SL4-A-3 Injection channel 3
SL4-A-19 Auxiliary output 10
SL4-A-4 Injection channel 4
SL4-A-15 Auxiliary output 6
SL4-A-16 Auxiliary output 7
ISC valve +14V feed
SL4-A-12 Auxiliary output 3
OEM-2
Stock ECU being replaced
AInjector 1
BCooling fan relay
CCondenser fan relay
DInjector 2
EEGR valve
FEGR valve
GInjector 3
HEGR valve
JInjector 4
KA/C clutch relay
MFuel pump relay
PISC valve +14V feed
QISC valve low side
GND
GND
SL4-A-26 Ignition channel 1
SL4-A-17 Auxiliary output 8
SL4-A-27 Ignition channel 2
SL4-A-10 Auxiliary output 1
SL4-A-11 Auxiliary output 2
SL4-A-21 Digital input 2
SL4-A-20 Digital input 1
SL4-B-7 Sync sensor +
SL4-B-5 Crank index sensor +
OEM-3
Stock ECU being replaced
APower ground
BPower ground
FIgnition 1 (coils 1+4, wasted spark)
HMain relay
IIgnition 2 (coils 2+3, wasted spark)
JFront O2 heater
PRear O2 heater
SImmobiliser
TVehicle speed
VCam position (CMP)
YCrank position (CKP)
GND
SL4-B-13 Analog input 3
SL4-B-20 Analog input 7 (switchable 1k pull-up)
ECU power +14V (main relay)
SL4-A-22 Digital input 3
SL4-A-23 Digital input 4
SL4-A-24 Digital input 5
SL4-A-25 Digital input 6
SL4-B-21 Analog input 8 (switchable 1k pull-up)
SL4-B-22 Analog input 9 (switchable 1k pull-up)
5V ref
SL4-B-16 Knock 1 +
SL4-B-19 Analog input 6
0V sensor
SL4-B-15 Analog input 5
SL4-B-12 Analog input 2
SL4-B-14 Analog input 4
SL4-B-11 Analog input 1
OEM-4
Stock ECU being replaced
APower ground
AARear O2 signal
ADFuel level
AFECU power +14V (main relay)
BBrake switch
CPower steering pressure switch
FA/C request
HNeutral switch
IClutch switch
JVTCS vacuum switch
L+5V sensor supply
MKnock sensor
NIntake air temperature (IAT)
OSignal ground
PCoolant temperature (ECT)
VThrottle position (TPS)
WFront O2 signal
XMass air flow (MAF)
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-2-A Injector 1
OEM-2-D Injector 2
OEM-2-G Injector 3
OEM-2-J Injector 4
5–8 no data
OEM-3-J Front O2 heater
OEM-3-P Rear O2 heater
OEM-2-Q ISC valve low side
OEM-2-E EGR valve
OEM-2-C Condenser fan relay
OEM-2-K A/C clutch relay
OEM-2-M Fuel pump relay
OEM-3-H Main relay
OEM-2-F EGR valve
OEM-2-H EGR valve
OEM-3-T Vehicle speed
OEM-3-S Immobiliser
OEM-4-B Brake switch
OEM-4-C Power steering pressure switch
OEM-4-F A/C request
OEM-4-H Neutral switch
OEM-3-F Ignition 1 (coils 1+4, wasted spark)
OEM-3-I 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-2-B Cooling fan relay
OEM-3-Y Crank position (CKP)
OEM-4-O Signal ground (via SP-0V)
OEM-3-V Cam position (CMP)
OEM-4-O Signal ground (via SP-0V)
0V sensor
OEM-4-X Mass air flow (MAF)
OEM-4-V Throttle position (TPS)
OEM-4-AA Rear O2 signal
OEM-4-W Front O2 signal
OEM-4-P Coolant temperature (ECT)
OEM-4-M Knock sensor
GND
OEM-4-N Intake air temperature (IAT)
OEM-4-AD Fuel level
OEM-4-I Clutch switch
OEM-4-J VTCS vacuum switch
GND
29–30 no data
SP-14V · 5 pins
SP-GND · 6 pins
SP-0V · 5 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.