100%
Injection 1 · 2 pins
Injection 2 · 2 pins
Injector low side · 2 pins
Injection 4 · 2 pins
Igniter trigger · 2 pins
Igniter trigger · 2 pins
Ignition 3 · 2 pins
Ignition 4 · 2 pins
CKP signal · 2 pins
TPS sensor ground · 11 pins
Sync sensor + · 2 pins
TPS sensor ground · 11 pins
Digital in 1 · 2 pins
TPS sensor ground · 11 pins
TPS signal · 2 pins
TPS 5V supply · 3 pins
TPS sensor ground · 11 pins
MAP signal · 2 pins
TPS 5V supply · 3 pins
TPS sensor ground · 11 pins
Analog in 3 · 2 pins
TPS sensor ground · 11 pins
ECT signal · 2 pins
TPS sensor ground · 11 pins
Knock 1 + · 2 pins
TPS sensor ground · 11 pins
VTC solenoid + · 2 pins
Aux 10 · 2 pins
VTEC solenoid low side · 2 pins
IACV low side · 2 pins
Digital in 2 · 2 pins
TPS sensor ground · 11 pins
BHD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Aftermarket ECU
KV8-A
Aftermarket ECU
Injection 1 · 2 pins
Injection 2 · 2 pins
Injector low side · 2 pins
Injection 4 · 2 pins
GND
VTEC solenoid low side · 2 pins
IACV low side · 2 pins
VTC solenoid + · 2 pins
Aux 10 · 2 pins
Igniter trigger · 2 pins
Igniter trigger · 2 pins
Ignition 3 · 2 pins
Ignition 4 · 2 pins
GND
KV8-B
Aftermarket ECU
1Injection 1
2Injection 2
3Injection 3
4Injection 4
9ECU ground
10Aux 1
11Aux 2
18Aux 9
19Aux 10
26Ignition 1
27Ignition 2
28Ignition 3
29Ignition 4
34ECU ground
GND
TPS signal · 2 pins
MAP signal · 2 pins
Analog in 3 · 2 pins
ECT signal · 2 pins
0V sensor
GND
Digital in 1 · 2 pins
Digital in 2 · 2 pins
KV8-C
Aftermarket ECU
1ECU ground
2Analog in 1
3Analog in 2
4Analog in 3
5Analog in 4
17Analog sensor 0V reference
26ECU ground
27Digital in 1
28Digital in 2
ECU 14V supply
CKP signal · 2 pins
Sync sensor + · 2 pins
RELAY-R-COIL- Relay coil negative (ECU low-side driver)
Knock 1 + · 2 pins
RELAY-R-COIL+ Relay coil positive (ignition-switched +12V) (via IGN)
Aux 9–12 14V supply
5V ref
KV8-D
Aftermarket ECU
1ECU 14V supply
4Crank index sensor +
6Sync sensor +
9EFI relay output (low side, 200 mA)
11Knock 1 +
15Ignition switch input
20Aux 9–12 14V supply
21Sensor supply Vref1 5.0V
Car battery
BATT-P
Car battery
-Battery negative / chassis ground
+Battery positive
GND
RELAY-R-IN Relay contact input (battery + via main fuse)
CKP
CKP
CKP
12VCKP +12V
GNDCKP sensor ground
SIGCKP signal
CKP +12V
0V sensor
CKP signal · 2 pins
CMPA
CMPA
CMPA
12VCMP +12V
GNDCMP sensor ground
SIGCMP signal
CMP +12V
0V sensor
Sync sensor + · 2 pins
CMPB
CMPB
CMPB
12VCMP +12V
GNDCMP sensor ground
SIGCMP signal
CMP +12V
0V sensor
Digital in 1 · 2 pins
COIL1
COIL1
COIL1
12VCoil +12V
GNDCoil ground
TRGIgniter trigger
Coil +12V
GND
Igniter trigger · 2 pins
COIL2
COIL2
COIL2
12VCoil +12V
GNDCoil ground
TRGIgniter trigger
Coil +12V
GND
Igniter trigger · 2 pins
COIL3
COIL3
COIL3
12VCoil +12V
GNDCoil ground
TRGIgniter trigger
Coil +12V
GND
Ignition 3 · 2 pins
COIL4
COIL4
COIL4
12VCoil +12V
GNDCoil ground
TRGIgniter trigger
Coil +12V
GND
Ignition 4 · 2 pins
ECT
ECT
ECT
GNDECT sensor ground
SIGECT signal
0V sensor
ECT signal · 2 pins
IACV
IACV
IACV
12VIACV +12V
SIGIACV low side
IACV +12V
IACV low side · 2 pins
IAT
IAT
IAT
GNDIAT sensor ground
SIGIAT signal
0V sensor
Analog in 3 · 2 pins
INJ1
INJ1
INJ1
12VInjector +12V (main relay)
SIGInjector low side
Injector +12V (main relay)
Injection 1 · 2 pins
INJ2
INJ2
INJ2
12VInjector +12V (main relay)
SIGInjector low side
Injector +12V (main relay)
Injection 2 · 2 pins
INJ3
INJ3
INJ3
12VInjector +12V (main relay)
SIGInjector low side
Injector +12V (main relay)
Injector low side · 2 pins
INJ4
INJ4
INJ4
12VInjector +12V (main relay)
SIGInjector low side
Injector +12V (main relay)
Injection 4 · 2 pins
KNOCK
KNOCK
KNOCK
GNDKnock shield/return
SIGKnock signal
0V sensor
Knock 1 + · 2 pins
LAF
LAF
LAF
MAP
MAP
MAP
GNDMAP sensor ground
SIGMAP signal
VCCMAP 5V supply
0V sensor
MAP signal · 2 pins
MAP 5V supply
O2
O2
O2
Engine-bay main relay
RELAY-R
Engine-bay main relay
COIL-Relay coil negative (ECU low-side driver)
COIL+Relay coil positive (ignition-switched +12V)
INRelay contact input (battery + via main fuse)
OUTRelay contact output (switched +12V bus)
KV8-D-9 EFI relay output (low side, 200 mA)
Relay coil positive (ignition-switched +12V)
BATT-P-+ Battery positive
SP-12V · 15 pins
TPS
TPS
TPS
GNDTPS sensor ground
SIGTPS signal
VCCTPS 5V supply
0V sensor
TPS signal · 2 pins
TPS 5V supply
VTC
VTC
VTC
AVTC solenoid +
BVTC solenoid -
VTC solenoid + · 2 pins
Aux 10 · 2 pins
VTEC
VTEC
VTEC
12VVTEC solenoid +12V
SIGVTEC solenoid low side
VTEC solenoid +12V
VTEC solenoid low side · 2 pins
VTPSW
VTPSW
VTPSW
GNDSwitch ground
SIGVTEC pressure switch
0V sensor
Digital in 2 · 2 pins
SP-GND · 10 pins
SP-12V · 17 pins
IGN · 3 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.