Not confident with automotive wiring? Have a professional harness builder or tuner do it, or check your work before first power-up. A wiring mistake can damage the ECU, the engine or the car, or start a fire.
100%
Stock ECU being replaced
KV16-B-3 Injection Channel 3
KV16-B-4 Injection Channel 4
KV16-B-5 Injection Channel 5
KV16-B-6 Injection Channel 6
KV16-B-8 Injection Channel 8
GND
KV16-D-6 Sync Sensor +
KV16-B-26 Ignition Channel 1
KV16-B-27 Ignition Channel 2
KV16-B-28 Ignition Channel 3
KV16-B-7 Injection Channel 7
KV16-B-14 Auxiliary Output 5
KV16-B-15 Auxiliary Output 6
KV16-B-16 Auxiliary Output 7
KV16-B-17 Auxiliary Output 8
GND
0V sensor
KV16-D-4 Crank Index Sensor +
KV16-C-12 Analog Input Channel 11
KV16-C-30 Digital Input 4
KV16-D-17 Knock 2 +
KV16-D-11 Knock 1 +
KV16-D-13 Shield (Crank/Cam/ Knock) (via SP-SHD)
GND
OEM-B74
Stock ECU being replaced
1Injector 3 (#30)
2Injector 4 (#40)
3Injector 5 (#50)
4Injector 6 (#60)
5Intake air bypass VSV (VSV1)
9ETCS-i ground (ME01)
10Cam position (G2)
11Ignition 1 (IGT, cyl 1&6)
12Ignition 2 (IGT2, cyl 5&2)
13Ignition 3 (IGT3, cyl 3&4)
15Wastegate VSV (PMC)
17VVT-i OCV - (OCV-)
18VVT-i OCV + (OCV+)
19ETCS-i clutch - (CL-)
20ETCS-i clutch + (CL+)
21Power ground (E01)
22Crank/cam sensor return (NE-)
23Crank position (NE+)
24Neutral/park switch (NSW)
25Igniter verification (IGF)
27Knock sensor 2 (KNK2, rear)
28Knock sensor 1 (KNK1, front)
30ETCS-i motor shield (GEO1)
31Power ground (E02)
5V ref
KV16-A-1 Injection Channel 9
KV16-A-10 Lambda 1 Heater -
KV16-B-1 Injection Channel 1
KV16-B-2 Injection Channel 2
KV16-A-2 Injection Channel 10
KV16-C-13 Analog Input Channel 12
KV16-C-2 Analog Input Channel 1
KV16-C-8 Analog Input Channel 7
KV16-C-9 Analog Input Channel 8
KV16-C-7 Analog Input Channel 6
KV16-C-3 Analog Input Channel 2
KV16-C-5 Analog Input Channel 4
GND
0V sensor
0V sensor
KV16-C-23 Digital Input 14
KV16-C-22 Digital Input 13
KV16-C-10 Analog Input Channel 9
KV16-C-4 Analog Input Channel 3
KV16-C-6 Analog Input Channel 5
OEM-B75
Stock ECU being replaced
2Sensor power (VC)
3Exhaust gas control VSV (VSV2)
4O2 sensor heater (HT)
5Injector 1 (#10)
6Injector 2 (#20)
7EVAP purge VSV (PRG)
8Main oil pressure switch (MOPS)
9Manifold pressure (PIM)
10Mass air flow (VG)
12O2 sensor (OX)
14Coolant temperature (THW)
15Accelerator pedal 1 (VPA)
16Accelerator pedal 2 (VPA2)
17Power ground (E1)
18Sensor ground (E2)
19MAF ground (EVG)
20A/T 2nd-gear indicator (2)
21A/T 1st-gear indicator (L)
22Intake air temperature (THA)
23Throttle position 1 (VTA)
24Throttle position 2 (VTA2)
KV16-B-11 Auxiliary Output 2
KV16-B-12 Auxiliary Output 3
KV16-B-13 Auxiliary Output 4
KV16-C-32 Digital Input 6
KV16-C-29 Digital Input 3
KV16-A-11 Lambda 2 Heater -
KV16-A-12 Injection Channel 16
KV16-C-31 Digital Input 5
KV16-C-28 Digital Input 2
KV16-A-3 Injection Channel 11
KV16-A-4 Injection Channel 12
KV16-A-5 Injection Channel 13
KV16-A-6 Injection Channel 14
KV16-A-7 Injection Channel 15
KV16-C-11 Analog Input Channel 10
OEM-B76
Stock ECU being replaced
1A/T shift solenoid 1 (S1)
2A/T shift solenoid 2 (S2)
3A/T shift solenoid 3 (S3)
4OD direct-clutch speed (NCO+)
5No.2 speed sensor (SP2+)
6A/T shift solenoid 4 (S4)
7A/T lock-up solenoid + (SLU+)
10OD direct-clutch speed (NCO-)
11No.2 speed sensor return (SP2-)
12Exhaust bypass VSV (VSV3)
13A/T lock-up solenoid - (SLU-)
14A/T accumulator solenoid - (SLN-)
15A/T line-pressure solenoid - (SLT-)
16Fuel pressure-up VSV (FPU)
17A/T oil temperature (OIL)
KV16-C-14 Analog Input Channel 13
KV16-C-24 Analog Input Channel 16
KV16-D-9 EFI Relay Output (Low Side 200mA)
KV16-C-15 Analog Input Channel 14
KV16-C-16 Analog Input Channel 15
KV16-C-33 Digital Input 7
KV16-C-34 Digital Input 8
KV16-C-27 Digital Input 1
KV16-C-18 Digital Input 9
OEM-B77
Stock ECU being replaced
1A/C request (AC)
2Starter signal (STA)
13A/C clutch relay (ACMG)
14A/T shift down (SFTD)
16A/T reverse indicator (R)
18Rear right wheel speed (RRO)
19Rear left wheel speed (RLO)
25No.1 speed sensor (SPD)
27Road speed (RSPD)
KV16-C-19 Digital Input 10
ETCS-i power (+BM)
EFI main relay power (+B2)
KV16-D-15 Ignition Switch Input
KV16-B-10 Auxiliary Output 1
EFI main relay power (+B)
0V sensor
OEM-B78
Stock ECU being replaced
4Fuel pump diagnostic (DI)
7ETCS-i power (+BM)
8EFI main relay power (+B2)
9Ignition switch (IGSW)
10EFI main relay control (M-REL)
16EFI main relay power (+B)
22Switch ground (EC)
KV16-C-20 Digital Input 11
KV16-C-21 Digital Input 12
OEM-B79
Stock ECU being replaced
7Front right wheel speed (FRO)
8Front left wheel speed (FLO)
KV16
KV16-A
KV16
1Injection Channel 9
2Injection Channel 10
3Injection Channel 11
4Injection Channel 12
5Injection Channel 13
6Injection Channel 14
7Injection Channel 15
10Lambda 1 Heater -
11Lambda 2 Heater -
12Injection Channel 16
13ECU Ground
19ECU Ground
OEM-B75-3 Exhaust gas control VSV (VSV2)
OEM-B75-7 EVAP purge VSV (PRG)
OEM-B76-12 Exhaust bypass VSV (VSV3)
OEM-B76-13 A/T lock-up solenoid - (SLU-)
OEM-B76-14 A/T accumulator solenoid - (SLN-)
OEM-B76-15 A/T line-pressure solenoid - (SLT-)
OEM-B76-16 Fuel pressure-up VSV (FPU)
OEM-B75-4 O2 sensor heater (HT)
OEM-B76-6 A/T shift solenoid 4 (S4)
OEM-B76-7 A/T lock-up solenoid + (SLU+)
GND
GND
KV16-B
KV16
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
26Ignition Channel 1
27Ignition Channel 2
28Ignition Channel 3
34ECU Ground
OEM-B75-5 Injector 1 (#10)
OEM-B75-6 Injector 2 (#20)
OEM-B74-1 Injector 3 (#30)
OEM-B74-2 Injector 4 (#40)
OEM-B74-3 Injector 5 (#50)
OEM-B74-4 Injector 6 (#60)
OEM-B74-15 Wastegate VSV (PMC)
OEM-B74-5 Intake air bypass VSV (VSV1)
GND
OEM-B78-10 EFI main relay control (M-REL)
OEM-B76-1 A/T shift solenoid 1 (S1)
OEM-B76-2 A/T shift solenoid 2 (S2)
OEM-B76-3 A/T shift solenoid 3 (S3)
OEM-B74-17 VVT-i OCV - (OCV-)
OEM-B74-18 VVT-i OCV + (OCV+)
OEM-B74-19 ETCS-i clutch - (CL-)
OEM-B74-20 ETCS-i clutch + (CL+)
OEM-B74-11 Ignition 1 (IGT, cyl 1&6)
OEM-B74-12 Ignition 2 (IGT2, cyl 5&2)
OEM-B74-13 Ignition 3 (IGT3, cyl 3&4)
GND
KV16-C
KV16
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
10Analog Input Channel 9
11Analog Input Channel 10
12Analog Input Channel 11
13Analog Input Channel 12
14Analog Input Channel 13
15Analog Input Channel 14
16Analog Input Channel 15
17Analog Sensor 0V Reference
18Digital Input 9
19Digital Input 10
20Digital Input 11
21Digital Input 12
22Digital Input 13
23Digital Input 14
24Analog Input Channel 16
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-B75-9 Manifold pressure (PIM)
OEM-B75-15 Accelerator pedal 1 (VPA)
OEM-B75-23 Throttle position 1 (VTA)
OEM-B75-16 Accelerator pedal 2 (VPA2)
OEM-B75-24 Throttle position 2 (VTA2)
OEM-B75-14 Coolant temperature (THW)
OEM-B75-10 Mass air flow (VG)
OEM-B75-12 O2 sensor (OX)
OEM-B75-22 Intake air temperature (THA)
OEM-B76-17 A/T oil temperature (OIL)
OEM-B74-24 Neutral/park switch (NSW)
OEM-B75-8 Main oil pressure switch (MOPS)
OEM-B77-1 A/C request (AC)
OEM-B77-14 A/T shift down (SFTD)
OEM-B77-16 A/T reverse indicator (R)
0V sensor
OEM-B77-27 Road speed (RSPD)
OEM-B78-4 Fuel pump diagnostic (DI)
OEM-B79-7 Front right wheel speed (FRO)
OEM-B79-8 Front left wheel speed (FLO)
OEM-B75-21 A/T 1st-gear indicator (L)
OEM-B75-20 A/T 2nd-gear indicator (2)
OEM-B77-2 Starter signal (STA)
0V sensor
GND
OEM-B77-25 No.1 speed sensor (SPD)
OEM-B76-11 No.2 speed sensor return (SP2-)
OEM-B76-5 No.2 speed sensor (SP2+)
OEM-B74-25 Igniter verification (IGF)
OEM-B76-10 OD direct-clutch speed (NCO-)
OEM-B76-4 OD direct-clutch speed (NCO+)
OEM-B77-18 Rear right wheel speed (RRO)
OEM-B77-19 Rear left wheel speed (RLO)
KV16-D
KV16
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 +
13Shield (Crank/Cam/ Knock)
15Ignition Switch Input
17Knock 2 +
20Auxiliary Output 9-12 14V Supply
21Sensor Supply Vref1: 5.0V
ECU 14V Supply
Auxiliary Output 13-16 14V Supply
OEM-B74-23 Crank position (NE+)
SP-0V · 4 pins
OEM-B74-10 Cam position (G2)
SP-0V · 4 pins
OEM-B77-13 A/C clutch relay (ACMG)
OEM-B74-28 Knock sensor 1 (KNK1, front)
OEM-B74-30 ETCS-i motor shield (GEO1) (via SP-SHD)
OEM-B78-9 Ignition switch (IGSW)
OEM-B74-27 Knock sensor 2 (KNK2, rear)
Auxiliary Output 9-12 14V Supply
5V ref
SP-GND · 11 pins
SP-SHD · 3 pins
SP-0V · 9 pins
SP-14V · 7 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.
92 / 92 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
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