100%
Stock ECU being replaced
KV8-D-11 Knock 1 +
Ignition power 2 (IGP2)
Ignition power 1 (IGP1)
GND
GND
KV8-D-4 Crank index sensor +
GND
GND
KV8-A-11 Lambda 2 heater −
KV8-B-10 Aux 1
KV8-B-29 Ignition 4
KV8-B-28 Ignition 3
KV8-B-27 Ignition 2
KV8-B-26 Ignition 1
KV8-C-27 Digital in 1
KV8-D-6 Sync sensor +
5V ref
5V ref
0V sensor
0V sensor
KV8-A-18 Lambda 1 Nernst cell (Vs)
KV8-C-3 Analog in 2
KV8-C-2 Analog in 1
KV8-A-25 Lambda 1 pump cell (Ip)
OEM-A
Stock ECU being replaced
1Knock sensor (KS)
2Ignition power 2 (IGP2)
3Ignition power 1 (IGP1)
4Power ground 2 (PG2)
5Power ground 1 (PG1)
7Crank position sensor (CKP)
8Logic ground 2 (LG2)
9Logic ground 1 (LG1)
10A/F sensor heater control (AFSHTC)
12Idle air control valve (IACV)
13Ignition coil 4 (IGPLS4)
14Ignition coil 3 (IGPLS3)
15Ignition coil 2 (IGPLS2)
16Ignition coil 1 (IGPLS1)
18Neutral position switch (NC)
19Camshaft position A (CMP A)
20Sensor 5V supply 2 (VCC2)
21Sensor 5V supply 1 (VCC1)
23Sensor ground 2 (SG2)
24Sensor ground 1 (SG1)
28A/F sensor - (AFS-, wideband Vs)
29Throttle position sensor (TPS)
30Manifold absolute pressure (MAP)
31A/F sensor + (AFS+, wideband Ip)
KV8-B-12 Aux 3
KV8-B-4 Injection 4
KV8-B-3 Injection 3
KV8-B-2 Injection 2
KV8-B-1 Injection 1
KV8-B-11 Aux 2
KV8-C-5 Analog in 4
KV8-C-28 Digital in 2
KV8-C-29 Digital in 3
KV8-C-7 Analog in 6
KV8-C-6 Analog in 5
KV8-B-13 Aux 4
KV8-B-5 Injection 5
OEM-B
Stock ECU being replaced
1VTC oil control solenoid (+)
2Injector 4 (INJ4)
3Injector 3 (INJ3)
4Injector 2 (INJ2)
5Injector 1 (INJ1)
6VTEC solenoid (VTS)
8Coolant temp sensor (ECT)
10Alternator L signal (ALTL)
11VTEC oil pressure switch (VTPSW)
13Alternator FR signal (ALTF)
17Intake air temp sensor (IAT)
18Alternator control (ALTC)
21Evap canister purge valve (PCS)
KV8-B-7 Injection 7
GND
0V sensor
KV8-D-9 EFI relay output (low side, 200 mA)
KV8-B-17 Aux 8
KV8-D-15 Ignition switch input
KV8-B-14 Aux 5
KV8-C-8 Analog in 7
KV8-C-9 Analog in 8
KV8-C-30 Digital in 4
KV8-B-15 Aux 6
KV8-B-16 Aux 7
KV8-B-6 Injection 6
KV8-C-4 Analog in 3
KV8-A-10 Lambda 1 heater −
KV8-C-31 Digital in 5
KV8-B-8 Injection 8
OEM-E
Stock ECU being replaced
3Reverse lockout solenoid (RVS, Type-S)
4Logic ground 3 (LG3)
5Sensor ground 3 (SG3)
8Main relay control (MRLY)
9A/F sensor heater relay control (AFSHTCR)
10Ignition switch signal (IG1)
12Radiator fan control (FANC)
14Fuel tank pressure sensor (FTP)
15Electrical load detector (ELD)
16Power steering pressure switch (PSPSW)
17Immobilizer fuel pump relay (IMO FPR)
18A/C clutch relay (ACC)
19Evap vent shut valve (VSV)
20Secondary heated O2 sensor (SHO2S)
21Secondary O2 heater control (SO2SHTC)
22Brake switch (BKSW)
31Malfunction indicator lamp (MIL)
KV8
KV8-A
KV8
10Lambda 1 heater −
11Lambda 2 heater −
18Lambda 1 Nernst cell (Vs)
25Lambda 1 pump cell (Ip)
OEM-E-21 Secondary O2 heater control (SO2SHTC)
OEM-A-10 A/F sensor heater control (AFSHTC)
OEM-A-28 A/F sensor - (AFS-, wideband Vs)
OEM-A-31 A/F sensor + (AFS+, wideband Ip)
KV8-B
KV8
1Injection 1
2Injection 2
3Injection 3
4Injection 4
5Injection 5
6Injection 6
7Injection 7
8Injection 8
9ECU ground
10Aux 1
11Aux 2
12Aux 3
13Aux 4
14Aux 5
15Aux 6
16Aux 7
17Aux 8
26Ignition 1
27Ignition 2
28Ignition 3
29Ignition 4
34ECU ground
OEM-B-5 Injector 1 (INJ1)
OEM-B-4 Injector 2 (INJ2)
OEM-B-3 Injector 3 (INJ3)
OEM-B-2 Injector 4 (INJ4)
OEM-B-21 Evap canister purge valve (PCS)
OEM-E-19 Evap vent shut valve (VSV)
OEM-E-3 Reverse lockout solenoid (RVS, Type-S)
OEM-E-31 Malfunction indicator lamp (MIL)
GND
OEM-A-12 Idle air control valve (IACV)
OEM-B-6 VTEC solenoid (VTS)
OEM-B-1 VTC oil control solenoid (+)
OEM-B-18 Alternator control (ALTC)
OEM-E-12 Radiator fan control (FANC)
OEM-E-17 Immobilizer fuel pump relay (IMO FPR)
OEM-E-18 A/C clutch relay (ACC)
OEM-E-9 A/F sensor heater relay control (AFSHTCR)
OEM-A-16 Ignition coil 1 (IGPLS1)
OEM-A-15 Ignition coil 2 (IGPLS2)
OEM-A-14 Ignition coil 3 (IGPLS3)
OEM-A-13 Ignition coil 4 (IGPLS4)
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
9Analog in 8
17Analog sensor 0V reference
25Analog sensor 0V reference
26ECU ground
27Digital in 1
28Digital in 2
29Digital in 3
30Digital in 4
31Digital in 5
GND
OEM-A-30 Manifold absolute pressure (MAP)
OEM-A-29 Throttle position sensor (TPS)
OEM-E-20 Secondary heated O2 sensor (SHO2S)
OEM-B-8 Coolant temp sensor (ECT)
OEM-B-17 Intake air temp sensor (IAT)
OEM-B-13 Alternator FR signal (ALTF)
OEM-E-14 Fuel tank pressure sensor (FTP)
OEM-E-15 Electrical load detector (ELD)
0V sensor
0V sensor
GND
OEM-A-18 Neutral position switch (NC)
OEM-B-10 Alternator L signal (ALTL)
OEM-B-11 VTEC oil pressure switch (VTPSW)
OEM-E-16 Power steering pressure switch (PSPSW)
OEM-E-22 Brake switch (BKSW)
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 +
15Ignition switch input
20Aux 9–12 14V supply
21Sensor supply Vref1 5.0V
22Sensor supply Vref2 5.0V
ECU 14V supply
Aux 13–16 14V supply
OEM-A-7 Crank position sensor (CKP)
SP-0V · 3 pins
OEM-A-19 Camshaft position A (CMP A)
SP-0V · 3 pins
OEM-E-8 Main relay control (MRLY)
OEM-A-1 Knock sensor (KS)
OEM-E-10 Ignition switch signal (IG1)
Aux 9–12 14V supply
5V ref
5V ref
SP-GND · 10 pins
SP-14V · 6 pins
SP-0V · 8 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.