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
ME442-C1-33 INJECTOR 3
ME442-C1-3 INJECTOR 4
ME442-C1-28 INJECTOR 5
ME442-C1-58 INJECTOR 6
ME442-C1-75 LOW SIDE RELAY 16
GND
ME442-C1-22 CAM A VR+
ME442-C1-32 COIL 1
ME442-C1-31 COIL 2
ME442-C1-2 COIL 3
ME442-C1-13 LOW SIDE RELAY 15
ME442-C1-73 LOW SIDE 1
ME442-C1-12 LOW SIDE 2
ME442-C1-74 LOW SIDE 3
ME442-C1-44 LOW SIDE 4
GND
0V sensor
ME442-C1-80 CRANK VR+
ME442-C1-5 DIG_IN 4
ME442-C1-54 KNOCK 2 SIGNAL
ME442-C1-53 KNOCK 1 SIGNAL
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+)
25Igniter verification (IGF)
27Knock sensor 2 (KNK2, rear)
28Knock sensor 1 (KNK1, front)
31Power ground (E02)
5V ref
ME442-C1-40 LOW SIDE RELAY 17
ME442-C1-16 LSU HEATER -VE
ME442-C1-63 INJECTOR 1
ME442-C1-4 INJECTOR 2
ME442-C1-9 LOW SIDE RELAY 18
ME442-C1-26 ANA VOLT 1
ME442-C1-78 ANA VOLT 6
ME442-C1-48 ANA VOLT 7
ME442-C1-86 ANA TEMP 1
ME442-C1-56 ANA VOLT 2
ME442-C1-18 ANA VOLT 4
GND
0V sensor
0V sensor
ME442-C1-57 ANA TEMP 2
ME442-C1-17 ANA VOLT 3
ME442-C1-87 ANA VOLT 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)
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)
22Intake air temperature (THA)
23Throttle position 1 (VTA)
24Throttle position 2 (VTA2)
ME442-C1-37 LOW SIDE RELAY 11
ME442-C1-42 LOW SIDE RELAY 12
ME442-C1-72 LOW SIDE RELAY 13
ME442-C1-34 DIG_IN 6
ME442-C1-8 DIG_IN 3
ME442-C1-43 LOW SIDE RELAY 14
ME442-C1-62 DIG_IN 5
ME442-C1-7 DIG_IN 2
ME442-C1-88 INJECTOR 7
ME442-C1-27 INJECTOR 8
ME442-C1-77 ANA TEMP 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-)
12Exhaust bypass VSV (VSV3)
13A/T lock-up solenoid - (SLU-)
17A/T oil temperature (OIL)
ME442-C1-69 LOW SIDE 5
ME442-C1-79 TACHOMETER
ME442-C1-6 DIG_IN 1
OEM-B77
Stock ECU being replaced
13A/C clutch relay (ACMG)
20Tachometer output (TACH)
25No.1 speed sensor (SPD)
ETCS-i power (+BM)
EFI main relay power (+B2)
ME442-C1-39 LOW SIDE 6
EFI main relay power (+B)
0V sensor
OEM-B78
Stock ECU being replaced
7ETCS-i power (+BM)
8EFI main relay power (+B2)
10EFI main relay control (M-REL)
16EFI main relay power (+B)
22Switch ground (EC)
OEM-B79
Stock ECU being replaced
ME442
ME442-C1
ME442
2COIL 3
3INJECTOR 4
4INJECTOR 2
5DIG_IN 4
6DIG_IN 1
7DIG_IN 2
8DIG_IN 3
9LOW SIDE RELAY 18
10GROUND CHASSIS
12LOW SIDE 2
13LOW SIDE RELAY 15
15IGN +12V
16LSU HEATER -VE
17ANA VOLT 3
18ANA VOLT 4
22CAM A VR+
26ANA VOLT 1
27INJECTOR 8
28INJECTOR 5
31COIL 2
32COIL 1
33INJECTOR 3
34DIG_IN 6
37LOW SIDE RELAY 11
39LOW SIDE 6
40LOW SIDE RELAY 17
42LOW SIDE RELAY 12
43LOW SIDE RELAY 14
44LOW SIDE 4
455V REF
48ANA VOLT 7
52SENSORS GROUND
53KNOCK 1 SIGNAL
54KNOCK 2 SIGNAL
56ANA VOLT 2
57ANA TEMP 2
58INJECTOR 6
61GROUND
62DIG_IN 5
63INJECTOR 1
64VBAT
69LOW SIDE 5
72LOW SIDE RELAY 13
73LOW SIDE 1
74LOW SIDE 3
75LOW SIDE RELAY 16
77ANA TEMP 3
78ANA VOLT 6
79TACHOMETER
80CRANK VR+
84Sensor Ground
86ANA TEMP 1
87ANA VOLT 5
88INJECTOR 7
89GROUND
90GROUND
OEM-B74-13 Ignition 3 (IGT3, cyl 3&4)
OEM-B74-2 Injector 4 (#40)
OEM-B75-6 Injector 2 (#20)
OEM-B74-25 Igniter verification (IGF)
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-B75-7 EVAP purge VSV (PRG)
GND
OEM-B74-18 VVT-i OCV + (OCV+)
OEM-B74-15 Wastegate VSV (PMC)
IGN +12V
OEM-B75-4 O2 sensor heater (HT)
OEM-B75-23 Throttle position 1 (VTA)
OEM-B75-16 Accelerator pedal 2 (VPA2)
OEM-B74-10 Cam position (G2)
OEM-B75-9 Manifold pressure (PIM)
OEM-B76-13 A/T lock-up solenoid - (SLU-)
OEM-B74-3 Injector 5 (#50)
OEM-B74-12 Ignition 2 (IGT2, cyl 5&2)
OEM-B74-11 Ignition 1 (IGT, cyl 1&6)
OEM-B74-1 Injector 3 (#30)
OEM-B76-4 OD direct-clutch speed (NCO+)
OEM-B76-1 A/T shift solenoid 1 (S1)
OEM-B78-10 EFI main relay control (M-REL)
OEM-B75-3 Exhaust gas control VSV (VSV2)
OEM-B76-2 A/T shift solenoid 2 (S2)
OEM-B76-6 A/T shift solenoid 4 (S4)
OEM-B74-20 ETCS-i clutch + (CL+)
5V ref
OEM-B75-12 O2 sensor (OX)
0V sensor
OEM-B74-28 Knock sensor 1 (KNK1, front)
OEM-B74-27 Knock sensor 2 (KNK2, rear)
OEM-B75-15 Accelerator pedal 1 (VPA)
OEM-B75-22 Intake air temperature (THA)
OEM-B74-4 Injector 6 (#60)
GND
OEM-B76-10 OD direct-clutch speed (NCO-)
OEM-B75-5 Injector 1 (#10)
VBAT
OEM-B77-13 A/C clutch relay (ACMG)
OEM-B76-3 A/T shift solenoid 3 (S3)
OEM-B74-17 VVT-i OCV - (OCV-)
OEM-B74-19 ETCS-i clutch - (CL-)
OEM-B74-5 Intake air bypass VSV (VSV1)
OEM-B76-17 A/T oil temperature (OIL)
OEM-B75-10 Mass air flow (VG)
OEM-B77-20 Tachometer output (TACH)
OEM-B74-23 Crank position (NE+)
0V sensor
OEM-B75-14 Coolant temperature (THW)
OEM-B75-24 Throttle position 2 (VTA2)
OEM-B76-12 Exhaust bypass VSV (VSV3)
GND
GND
SP-GND · 9 pins
SP-0V · 7 pins
SP-14V · 6 pins
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