100%
Stock ECU being replaced
KV12-B-16 Auxiliary Output 7
KV12-B-8 Injection Channel 8
KV12-B-7 Injection Channel 7
KV12-B-6 Injection Channel 6
5 no data
KV12-B-17 Auxiliary Output 8
7–8 no data
KV12-C-27 Digital Input 1
11 no data
14 no data
KV12-B-11 Auxiliary Output 2
KV12-B-13 Auxiliary Output 4
KV12-B-15 Auxiliary Output 6
KV12-B-14 Auxiliary Output 5
KV12-B-12 Auxiliary Output 3
22 no data
KV12-C-31 Digital Input 5
KV12-C-32 Digital Input 6
KV12-C-30 Digital Input 4
KV12-B-5 Injection Channel 5
KV12-C-9 Analog Input Channel 8
KV12-C-8 Analog Input Channel 7
31 no data
KV12-C-29 Digital Input 3
S2K-A
Stock ECU being replaced
1Coolant temp gauge drive
2Air control valve solenoid
3Evap bypass solenoid
4Evap canister vent shut valve
5 no data
6Evap canister purge valve
7–8 no data
9Vehicle speed sensor
11 no data
14 no data
15Fuel pump relay (USDM)
17A/C clutch relay
18Check engine light (MIL)
19Tacho output
20Radiator fan relay
22 no data
24Starter switch signal
26Power steering load detect
27A/C switch (request)
28Air pump relay
29Fuel tank pressure sensor
30Electrical load detector
31 no data
32Brake switch
Power source 1 (main relay)
GND
KV12-B-2 Injection Channel 2
KV12-B-3 Injection Channel 3
KV12-B-4 Injection Channel 4
6–8 no data
Power source 2 (main relay)
KV12-B-1 Injection Channel 1
KV12-B-18 Auxiliary Output 9
13–19 no data
KV12-B-10 Auxiliary Output 1
24–25 no data
S2K-B
Stock ECU being replaced
1Power source 1 (main relay)
2Power ground 1
3Injector 2
4Injector 3
5Injector 4
6–8 no data
9Power source 2 (main relay)
11Injector 1
12VTEC solenoid
13–19 no data
23Idle air control valve
24–25 no data
KV12-B-20 Auxiliary Output 11
KV12-B-21 Auxiliary Output 12
KV12-B-26 Ignition Channel 1
6 no data
0V sensor
KV12-D-4 Crank Index Sensor +
KV12-D-5 Crank Index Sensor -
KV12-C-28 Digital Input 2
KV12-B-27 Ignition Channel 2
KV12-B-28 Ignition Channel 3
KV12-B-29 Ignition Channel 4
KV12-C-5 Analog Input Channel 4
KV12-C-4 Analog Input Channel 3
KV12-C-2 Analog Input Channel 1
0V sensor
5V ref
KV12-D-6 Sync Sensor +
KV12-D-7 Sync Sensor -
23 no data
KV12-C-7 Analog Input Channel 6
KV12-C-6 Analog Input Channel 5
KV12-C-3 Analog Input Channel 2
5V ref
S2K-C
Stock ECU being replaced
1Primary O2 heater
2Alternator control
4Ignition coil 1
6 no data
7Sensor ground 1
8Crank sensor + (CKP+)
9Crank sensor − (CKP−)
10VTEC pressure switch
12Ignition coil 2
13Ignition coil 3
14Ignition coil 4
15Secondary O2 sensor
16Primary O2 sensor
17MAP sensor
18Sensor ground 2
19Sensor 5V supply 1 (MAP)
20Cam (TDC1) sensor +
21Cam (TDC1) sensor −
23 no data
25Intake air temp sensor
26Coolant temp sensor
27Throttle position sensor
28Sensor 5V supply 2
1–16 no data
S2K-D
Stock ECU being replaced
1–16 no data
KV12
KV12-A
KV12
KV12-B
KV12
1Injection Channel 1
2Injection Channel 2
3Injection Channel 3
4Injection Channel 4
5Injection Channel 5
6Injection Channel 6
7Injection Channel 7
8Injection Channel 8
9ECU Ground
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
20Auxiliary Output 11
21Auxiliary Output 12
26Ignition Channel 1
27Ignition Channel 2
28Ignition Channel 3
29Ignition Channel 4
34ECU Ground
S2K-B-11 Injector 1
S2K-B-3 Injector 2
S2K-B-4 Injector 3
S2K-B-5 Injector 4
S2K-A-28 Air pump relay
S2K-A-4 Evap canister vent shut valve
S2K-A-3 Evap bypass solenoid
S2K-A-2 Air control valve solenoid
GND
S2K-B-23 Idle air control valve
S2K-A-15 Fuel pump relay (USDM)
S2K-A-20 Radiator fan relay
S2K-A-17 A/C clutch relay
S2K-A-19 Tacho output
S2K-A-18 Check engine light (MIL)
S2K-A-1 Coolant temp gauge drive
S2K-A-6 Evap canister purge valve
S2K-B-12 VTEC solenoid
S2K-C-1 Primary O2 heater
S2K-C-2 Alternator control
S2K-C-4 Ignition coil 1
S2K-C-12 Ignition coil 2
S2K-C-13 Ignition coil 3
S2K-C-14 Ignition coil 4
GND
KV12-C
KV12
1ECU Ground
2Analog Input Channel 1
3Analog Input Channel 2
4Analog Input Channel 3
5Analog Input Channel 4
6Analog Input Channel 5
7Analog Input Channel 6
8Analog Input Channel 7
9Analog Input Channel 8
17Analog Sensor 0V Reference
25Analog Sensor 0V Reference
26ECU Ground
27Digital Input 1
28Digital Input 2
29Digital Input 3
30Digital Input 4
31Digital Input 5
32Digital Input 6
GND
S2K-C-17 MAP sensor
S2K-C-27 Throttle position sensor
S2K-C-16 Primary O2 sensor
S2K-C-15 Secondary O2 sensor
S2K-C-26 Coolant temp sensor
S2K-C-25 Intake air temp sensor
S2K-A-30 Electrical load detector
S2K-A-29 Fuel tank pressure sensor
0V sensor
0V sensor
GND
S2K-A-9 Vehicle speed sensor
S2K-C-10 VTEC pressure switch
S2K-A-32 Brake switch
S2K-A-27 A/C switch (request)
S2K-A-24 Starter switch signal
S2K-A-26 Power steering load detect
KV12-D
KV12
1ECU 14V Supply
4Crank Index Sensor +
5Crank Index Sensor -
6Sync Sensor +
7Sync Sensor -
15Ignition Switch Input
20Auxiliary Output 9-12 14V Supply
21Sensor Supply Vref1: 5.0V
22Sensor Supply Vref2: 5.0V
ECU 14V Supply
S2K-C-8 Crank sensor + (CKP+)
S2K-C-9 Crank sensor − (CKP−)
S2K-C-20 Cam (TDC1) sensor +
S2K-C-21 Cam (TDC1) sensor −
SP-14V · 2 pins
Auxiliary Output 9-12 14V Supply
5V ref
5V ref
SP-GND · 7 pins
SP-14V · 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.