100%
Stock ECU being replaced
KV8-C-29 Digital in 3
KV8-C-30 Digital in 4
KV8-B-18 Aux 9
KV8-B-19 Aux 10
OEM-5
Stock ECU being replaced
F2Front VTEC pressure switch
F4Rear VTEC pressure switch
F5Front VTEC solenoid valve
F7Rear VTEC solenoid valve
KV8-B-1 Injection 1
KV8-B-4 Injection 4
KV8-B-2 Injection 2
KV8-B-5 Injection 5
KV8-B-3 Injection 3
KV8-B-6 Injection 6
KV8-B-16 Aux 7
KV8-D-9 EFI relay output (low side, 200 mA)
KV8-B-13 Aux 4
KV8-A-10 Lambda 1 heater −
KV8-B-17 Aux 8
KV8-A-11 Lambda 2 heater −
KV8-B-10 Aux 1
KV8-B-11 Aux 2
KV8-B-14 Aux 5
KV8-B-15 Aux 6
KV8-B-12 Aux 3
KV8-B-26 Ignition 1
KV8-B-27 Ignition 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
KV8-B-31 Ignition 6
KV8-B-30 Ignition 5
KV8-B-29 Ignition 4
KV8-C-31 Digital in 5
KV8-B-28 Ignition 3
0V sensor
KV8-D-6 Sync sensor +
0V sensor
0V sensor
KV8-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)
KV8-C-27 Digital in 1
KV8-C-33 Digital in 7
KV8-C-34 Digital in 8
KV8-C-18 Digital in 9
KV8-C-19 Digital in 10
KV8-C-32 Digital in 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)
KV8-D-17 Knock 2 +
KV8-D-11 Knock 1 +
KV8-C-20 Digital in 11
KV8-C-28 Digital in 2
KV8-C-3 Analog in 2
KV8-C-8 Analog in 7
KV8-C-6 Analog in 5
KV8-C-4 Analog in 3
KV8-C-7 Analog in 6
KV8-C-5 Analog in 4
KV8-C-2 Analog in 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)
KV8
KV8-A
KV8
10Lambda 1 heater −
11Lambda 2 heater −
OEM-A-10 Front O2 sensor heater (HTCNTF)
OEM-A-12 Rear O2 sensor heater (HTCNTR)
KV8-B
KV8
1Injection 1
2Injection 2
3Injection 3
4Injection 4
5Injection 5
6Injection 6
9ECU ground
10Aux 1
11Aux 2
12Aux 3
13Aux 4
14Aux 5
15Aux 6
16Aux 7
17Aux 8
18Aux 9
19Aux 10
26Ignition 1
27Ignition 2
28Ignition 3
29Ignition 4
30Ignition 5
31Ignition 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
KV8-C
KV8
1ECU ground
2Analog in 1
3Analog in 2
4Analog in 3
5Analog in 4
6Analog in 5
7Analog in 6
8Analog in 7
17Analog sensor 0V reference
18Digital in 9
19Digital in 10
20Digital in 11
25Analog sensor 0V reference
26ECU ground
27Digital in 1
28Digital in 2
29Digital in 3
30Digital in 4
31Digital in 5
32Digital in 6
33Digital in 7
34Digital in 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)
KV8-D
KV8
1ECU 14V supply
2Aux 13–16 14V supply
4Crank index sensor +
5Crank index sensor −
6Sync sensor +
7Sync sensor −
9EFI relay output (low side, 200 mA)
11Knock 1 +
17Knock 2 +
20Aux 9–12 14V supply
21Sensor supply Vref1 5.0V
ECU 14V supply
Aux 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
Aux 9–12 14V supply
5V ref
SP-GND · 8 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.