100%
Stock ECU being replaced
KV12-C-29 Digital Input 3
KV12-C-30 Digital Input 4
KV12-B-18 Auxiliary Output 9
KV12-B-19 Auxiliary Output 10
OEM-5
Stock ECU being replaced
F2Front VTEC pressure switch
F4Rear VTEC pressure switch
F5Front VTEC solenoid valve
F7Rear VTEC solenoid valve
KV12-B-1 Injection Channel 1
KV12-B-4 Injection Channel 4
KV12-B-2 Injection Channel 2
KV12-B-5 Injection Channel 5
KV12-B-3 Injection Channel 3
KV12-B-6 Injection Channel 6
KV12-B-16 Auxiliary Output 7
KV12-D-9 EFI Relay Output (Low Side 200mA)
KV12-B-13 Auxiliary Output 4
KV12-A-10 Lambda 1 Heater -
KV12-B-17 Auxiliary Output 8
KV12-A-11 Lambda 2 Heater -
KV12-B-10 Auxiliary Output 1
KV12-B-11 Auxiliary Output 2
KV12-B-14 Auxiliary Output 5
KV12-B-15 Auxiliary Output 6
KV12-B-12 Auxiliary Output 3
KV12-B-26 Ignition Channel 1
KV12-B-27 Ignition Channel 2
GND
GND
ECU power (IGP1)
0V sensor
OEM-A
Stock ECU being replaced
1Injector 1
2Injector 4
3Injector 2
4Injector 5
5Injector 3
6Injector 6
7Main relay
8Fuel pump relay 2 (FLR2)
9Idle air control valve (IACV)
10Front O2 sensor heater (HTCNTF)
11EGR control solenoid
12Rear O2 sensor heater (HTCNTR)
13Check engine light (WARN)
14Chamber volume control solenoid (BPS)
15A/C clutch relay (ACC)
18Radiator fan control (FANCNTR)
20EVAP purge cut-off solenoid (PGS)
21Ignition coil 1
22Ignition coil 2
23Power ground (PG1)
24Power ground (PG2)
25ECU power (IGP1)
26Sensor ground (LG1)
GND
KV12-B-31 Ignition Channel 6
KV12-B-30 Ignition Channel 5
KV12-B-29 Ignition Channel 4
KV12-C-31 Digital Input 5
KV12-B-28 Ignition Channel 3
0V sensor
KV12-D-6 Sync Sensor +
0V sensor
0V sensor
KV12-D-4 Crank Index Sensor +
0V sensor
OEM-B
Stock ECU being replaced
2Chassis ground (LG2)
3Ignition coil 6
4Ignition coil 5
6Ignition coil 4
7Neutral switch (M/T) / gear position (A/T)
8Ignition coil 3
10CYL 2M — CYP sensor 2 return
11CYL 1P — CYP sensor 1 signal
12CYL 1M — CYP sensor 1 return
14CRNK 2M — TDC sensor return
15CRNK 1P — crank sensor signal
16CRNK 1M — crank sensor return
ECU power (IGP2)
KV12-C-27 Digital Input 1
KV12-C-33 Digital Input 7
KV12-C-34 Digital Input 8
KV12-C-18 Digital Input 9
KV12-C-19 Digital Input 10
KV12-C-32 Digital Input 6
OEM-C
Stock ECU being replaced
1ECU power (IGP2)
2Vehicle speed sensor (VSS)
3A/C switch (ACS)
5A/C pressure switch (PDSW)
7Clutch switch (M/T)
9Service check connector (SCS)
11Starter switch (STS)
KV12-D-17 Knock 2 +
KV12-D-11 Knock 1 +
KV12-C-20 Digital Input 11
KV12-C-28 Digital Input 2
KV12-C-3 Analog Input Channel 2
KV12-C-8 Analog Input Channel 7
KV12-C-6 Analog Input Channel 5
KV12-C-4 Analog Input Channel 3
KV12-C-7 Analog Input Channel 6
KV12-C-5 Analog Input Channel 4
KV12-C-2 Analog Input Channel 1
5V ref
5V ref
5V ref
0V sensor
0V sensor
OEM-D
Stock ECU being replaced
3Knock sensor — rear
4Knock sensor — front
8Ignition timing adjuster (IGADJ)
9Alternator FR signal
11Throttle position sensor (TPS)
12EGR lift sensor (EGRL)
13Engine coolant temperature (ECT)
14Primary O2 sensor
15Intake air temperature (IAT)
16Secondary O2 sensor
17MAP sensor
18+5V sensor supply (VCC)
19+5V sensor supply (VCC)
20+5V sensor supply (VCC)
21Sensor ground (SG)
22Sensor ground (SG)
KV12
KV12-A
KV12
10Lambda 1 Heater -
11Lambda 2 Heater -
19ECU Ground
OEM-A-10 Front O2 sensor heater (HTCNTF)
OEM-A-12 Rear O2 sensor heater (HTCNTR)
GND
KV12-B
KV12
1Injection Channel 1
2Injection Channel 2
3Injection Channel 3
4Injection Channel 4
5Injection Channel 5
6Injection Channel 6
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
19Auxiliary Output 10
26Ignition Channel 1
27Ignition Channel 2
28Ignition Channel 3
29Ignition Channel 4
30Ignition Channel 5
31Ignition Channel 6
34ECU Ground
OEM-A-1 Injector 1
OEM-A-3 Injector 2
OEM-A-5 Injector 3
OEM-A-2 Injector 4
OEM-A-4 Injector 5
OEM-A-6 Injector 6
GND
OEM-A-13 Check engine light (WARN)
OEM-A-14 Chamber volume control solenoid (BPS)
OEM-A-20 EVAP purge cut-off solenoid (PGS)
OEM-A-9 Idle air control valve (IACV)
OEM-A-15 A/C clutch relay (ACC)
OEM-A-18 Radiator fan control (FANCNTR)
OEM-A-7 Main relay
OEM-A-11 EGR control solenoid
OEM-5-F5 Front VTEC solenoid valve
OEM-5-F7 Rear VTEC solenoid valve
OEM-A-21 Ignition coil 1
OEM-A-22 Ignition coil 2
OEM-B-8 Ignition coil 3
OEM-B-6 Ignition coil 4
OEM-B-4 Ignition coil 5
OEM-B-3 Ignition coil 6
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
17Analog Sensor 0V Reference
18Digital Input 9
19Digital Input 10
20Digital Input 11
25Analog Sensor 0V Reference
26ECU Ground
27Digital Input 1
28Digital Input 2
29Digital Input 3
30Digital Input 4
31Digital Input 5
32Digital Input 6
33Digital Input 7
34Digital Input 8
GND
OEM-D-17 MAP sensor
OEM-D-11 Throttle position sensor (TPS)
OEM-D-14 Primary O2 sensor
OEM-D-16 Secondary O2 sensor
OEM-D-13 Engine coolant temperature (ECT)
OEM-D-15 Intake air temperature (IAT)
OEM-D-12 EGR lift sensor (EGRL)
0V sensor
OEM-C-7 Clutch switch (M/T)
OEM-C-9 Service check connector (SCS)
OEM-D-8 Ignition timing adjuster (IGADJ)
0V sensor
GND
OEM-C-2 Vehicle speed sensor (VSS)
OEM-D-9 Alternator FR signal
OEM-5-F2 Front VTEC pressure switch
OEM-5-F4 Rear VTEC pressure switch
OEM-B-7 Neutral switch (M/T) / gear position (A/T)
OEM-C-11 Starter switch (STS)
OEM-C-3 A/C switch (ACS)
OEM-C-5 A/C pressure switch (PDSW)
KV12-D
KV12
1ECU 14V Supply
2Auxiliary Output 13-16 14V Supply
4Crank Index Sensor +
5Crank Index Sensor -
6Sync Sensor +
7Sync Sensor -
9EFI Relay Output (Low Side 200mA)
11Knock 1 +
17Knock 2 +
20Auxiliary Output 9-12 14V Supply
21Sensor Supply Vref1: 5.0V
ECU 14V Supply
Auxiliary Output 13-16 14V Supply
OEM-B-15 CRNK 1P — crank sensor signal
SP-0V · 7 pins
OEM-B-11 CYL 1P — CYP sensor 1 signal
SP-0V · 7 pins
OEM-A-8 Fuel pump relay 2 (FLR2)
OEM-D-4 Knock sensor — front
OEM-D-3 Knock sensor — rear
Auxiliary Output 9-12 14V Supply
5V ref
SP-GND · 9 pins
SP-0V · 12 pins
SP-14V · 6 pins
SP-5V1 · 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.
75 / 75 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
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