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
M150-C-20 Peak Hold Injector 2
M150-C-24 Low Side Injector 2
M150-B-9 Low Side Injector 3
M150-C-21 Peak Hold Injector 3
GND
M150-D-2 Universal Digital Input 2
M150-C-3 Low Side Ignition 1
M150-C-4 Low Side Ignition 2
M150-C-5 Low Side Ignition 3
M150-B-25 Peak Hold Injector 12
M150-B-15 Low Side Injector 4
M150-B-8 Low Side Injector 5
M150-B-14 Low Side Injector 6
M150-C-22 Peak Hold Injector 4
GND
0V sensor
M150-D-1 Universal Digital Input 1
M150-D-21 Analogue Voltage Input 7
M150-D-11 Universal Digital Input 6
M150-D-13 Knock Input 2
M150-D-7 Knock Input 1
GND
OEM-B74
Stock ECU being replaced
1Injector 3 (#30)
2Injector 4 (#40)
3Injector 5 (#50)
4Injector 6 (#60)
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)
31Power ground (E02)
5V ref
M150-C-29 Peak Hold Injector 7
M150-C-19 Peak Hold Injector 1
M150-C-23 Low Side Injector 1
M150-D-22 Analogue Voltage Input 8
M150-C-14 Analogue Voltage Input 1
M150-D-20 Analogue Voltage Input 6
M150-A-11 Lambda Narrow Input 1
M150-D-3 Analogue Temperature Input 1
M150-C-15 Analogue Voltage Input 2
M150-C-17 Analogue Voltage Input 4
GND
0V sensor
0V sensor
M150-A-17 Digital Input 4
M150-A-16 Digital Input 3
M150-D-4 Analogue Temperature Input 2
M150-C-16 Analogue Voltage Input 3
M150-C-25 Analogue Voltage Input 5
OEM-B75
Stock ECU being replaced
2Sensor power (VC)
4O2 sensor heater (HT)
5Injector 1 (#10)
6Injector 2 (#20)
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)
M150-C-30 Peak Hold Injector 8
M150-B-22 Peak Hold Injector 9
M150-B-23 Peak Hold Injector 10
M150-B-3 Universal Digital Input 8
M150-D-10 Universal Digital Input 5
M150-B-24 Peak Hold Injector 11
M150-D-14 Universal Digital Input 7
M150-D-9 Universal Digital Input 4
M150-D-5 Analogue Temperature Input 3
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)
10OD direct-clutch speed (NCO-)
11No.2 speed sensor return (SP2-)
17A/T oil temperature (OIL)
M150-B-10 Analogue Voltage Input 9
M150-B-16 Analogue Voltage Input 12
M150-A-3 Analogue Voltage Input 15
M150-A-4 Analogue Voltage Input 16
M150-A-5 Analogue Voltage Input 17
M150-C-27 Peak Hold Injector 5
M150-B-11 Analogue Voltage Input 10
M150-B-12 Analogue Voltage Input 11
M150-B-4 Universal Digital Input 9
M150-B-5 Universal Digital Input 10
M150-B-17 Analogue Voltage Input 13
M150-D-8 Universal Digital Input 3
M150-B-18 Analogue Voltage Input 14
M150-B-6 Universal Digital Input 11
OEM-B77
Stock ECU being replaced
1A/C request (AC)
2Starter signal (STA)
4A/T shift up (SFTU)
5Diagnostic/timing check (TC)
6Stop light switch (STP)
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)
21ABS active (ABS)
25No.1 speed sensor (SPD)
26Electrical load sense (ELS)
27Road speed (RSPD)
Battery constant (BATT)
M150-B-7 Universal Digital Input 12
ETCS-i power (+BM)
EFI main relay power (+B2)
M150-C-28 Peak Hold Injector 6
EFI main relay power (+B)
0V sensor
OEM-B78
Stock ECU being replaced
1Battery constant (BATT)
4Fuel pump diagnostic (DI)
7ETCS-i power (+BM)
8EFI main relay power (+B2)
10EFI main relay control (M-REL)
16EFI main relay power (+B)
22Switch ground (EC)
M150-A-23 Digital Input 1
M150-A-15 Digital Input 2
OEM-B79
Stock ECU being replaced
7Front right wheel speed (FRO)
8Front left wheel speed (FLO)
M150
M150-A
M150
3Analogue Voltage Input 15
4Analogue Voltage Input 16
5Analogue Voltage Input 17
10Sensor 5.0V C1
11Lambda Narrow Input 1
15Digital Input 2
16Digital Input 3
17Digital Input 4
23Digital Input 1
24Battery Negative 3
25Battery Negative 4
26Sensor 0V C1
27Sensor 0V C2
32Battery Negative 5
33Sensor 0V B1
34Sensor 0V A1
OEM-B77-4 A/T shift up (SFTU)
OEM-B77-5 Diagnostic/timing check (TC)
OEM-B77-6 Stop light switch (STP)
5V ref
OEM-B75-12 O2 sensor (OX)
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-B79-7 Front right wheel speed (FRO)
GND
GND
0V sensor
0V sensor
GND
0V sensor
0V sensor
M150-B
M150
3Universal Digital Input 8
4Universal Digital Input 9
5Universal Digital Input 10
6Universal Digital Input 11
7Universal Digital Input 12
8Low Side Injector 5
9Low Side Injector 3
10Analogue Voltage Input 9
11Analogue Voltage Input 10
12Analogue Voltage Input 11
13Battery Positive
14Low Side Injector 6
15Low Side Injector 4
16Analogue Voltage Input 12
17Analogue Voltage Input 13
18Analogue Voltage Input 14
19Battery Positive
22Peak Hold Injector 9
23Peak Hold Injector 10
24Peak Hold Injector 11
25Peak Hold Injector 12
OEM-B76-4 OD direct-clutch speed (NCO+)
OEM-B77-18 Rear right wheel speed (RRO)
OEM-B77-19 Rear left wheel speed (RLO)
OEM-B77-27 Road speed (RSPD)
OEM-B78-4 Fuel pump diagnostic (DI)
OEM-B74-18 VVT-i OCV + (OCV+)
OEM-B74-3 Injector 5 (#50)
OEM-B77-1 A/C request (AC)
OEM-B77-14 A/T shift down (SFTD)
OEM-B77-16 A/T reverse indicator (R)
Battery Positive
OEM-B74-19 ETCS-i clutch - (CL-)
OEM-B74-17 VVT-i OCV - (OCV-)
OEM-B77-2 Starter signal (STA)
OEM-B77-21 ABS active (ABS)
OEM-B77-26 Electrical load sense (ELS)
Battery Positive
OEM-B76-2 A/T shift solenoid 2 (S2)
OEM-B76-3 A/T shift solenoid 3 (S3)
OEM-B76-6 A/T shift solenoid 4 (S4)
OEM-B74-15 Wastegate VSV (PMC)
M150-C
M150
3Low Side Ignition 1
4Low Side Ignition 2
5Low Side Ignition 3
10Battery Negative 1
11Battery Negative 2
14Analogue Voltage Input 1
15Analogue Voltage Input 2
16Analogue Voltage Input 3
17Analogue Voltage Input 4
19Peak Hold Injector 1
20Peak Hold Injector 2
21Peak Hold Injector 3
22Peak Hold Injector 4
23Low Side Injector 1
24Low Side Injector 2
25Analogue Voltage Input 5
26Battery Positive
27Peak Hold Injector 5
28Peak Hold Injector 6
29Peak Hold Injector 7
30Peak Hold Injector 8
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
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-B75-5 Injector 1 (#10)
OEM-B74-1 Injector 3 (#30)
OEM-B74-4 Injector 6 (#60)
OEM-B74-20 ETCS-i clutch + (CL+)
OEM-B75-6 Injector 2 (#20)
OEM-B74-2 Injector 4 (#40)
OEM-B75-24 Throttle position 2 (VTA2)
Battery Positive
OEM-B77-13 A/C clutch relay (ACMG)
OEM-B78-10 EFI main relay control (M-REL)
OEM-B75-4 O2 sensor heater (HT)
OEM-B76-1 A/T shift solenoid 1 (S1)
M150-D
M150
1Universal Digital Input 1
2Universal Digital Input 2
3Analogue Temperature Input 1
4Analogue Temperature Input 2
5Analogue Temperature Input 3
7Knock Input 1
8Universal Digital Input 3
9Universal Digital Input 4
10Universal Digital Input 5
11Universal Digital Input 6
12Battery Backup
13Knock Input 2
14Universal Digital Input 7
15Sensor 0V A
16Sensor 0V B
20Analogue Voltage Input 6
21Analogue Voltage Input 7
22Analogue Voltage Input 8
OEM-B74-23 Crank position (NE+)
OEM-B74-10 Cam position (G2)
OEM-B75-14 Coolant temperature (THW)
OEM-B75-22 Intake air temperature (THA)
OEM-B76-17 A/T oil temperature (OIL)
OEM-B74-28 Knock sensor 1 (KNK1, front)
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)
Battery Backup
OEM-B74-27 Knock sensor 2 (KNK2, rear)
OEM-B76-10 OD direct-clutch speed (NCO-)
0V sensor
0V sensor
OEM-B75-10 Mass air flow (VG)
OEM-B74-24 Neutral/park switch (NSW)
OEM-B75-8 Main oil pressure switch (MOPS)
SP-GND · 10 pins
SP-0V · 11 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.
87 / 87 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
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