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
ECU power (+B2, main relay)
Battery constant (BATT, memory)
GND
M170-A-44 Analogue Voltage Input 8
M170-A-38 Analogue Temperature Input 2
M170-A-53 Universal Digital Input 6
M170-A-13 Universal Digital Input 7
M170-A-22 Universal Digital Input 8
M170-A-31 CAN Bus 1 Low
M170-A-40 CAN Bus 1 High
M170-A-65 Half Bridge Output 4
M170-A-26 Analogue Voltage Input 1
0V sensor
OEM-A33
Stock ECU being replaced
1ECU power (+B2, main relay)
2Battery constant (BATT, memory)
4Power ground (EC)
8A/C pressure sensor (ACP)
12Intake air temperature (THA, in MAF)
14Starter signal (STSW2)
15Clutch switch (CLSW)
16Neutral switch (NSW)
18CAN low (CANL)
19CAN high (CANH)
20Blower relay (HB)
22Mass air flow (VG)
29MAF sensor ground (E2G)
GND
GND
GND
ECU power (+B, main relay)
M170-A-56 Universal Digital Input 2
M170-A-52 Universal Digital Input 5
M170-A-49 Universal Digital Input 1
M170-A-60 Knock Input 2
M170-A-18 Analogue Voltage Input 2
M170-A-35 Analogue Voltage Input 7
M170-A-45 Universal Digital Input 4
M170-A-46 Universal Digital Input 3
0V sensor
M170-A-29 Knock Input 1
5V ref
OEM-A34
Stock ECU being replaced
1Power ground (E03)
2Power ground (E04)
3Power ground (E05)
6ECU power (+B, main relay)
14VVT cam sensor exhaust bank 1 (EV1+)
15VVT cam sensor intake bank 2 (VV2+)
16Crank position (NE+)
17Knock sensor 2 (KNK2)
20Manifold absolute pressure (PIM)
21Heated oxygen sensor (OX1B, rear)
25VVT cam sensor exhaust bank 2 (EV2+)
26VVT cam sensor intake bank 1 (VV1+)
27Crank position return (NE-)
28Knock sensor 1 (KNK1)
34OCV power source (VCV, 5V)
M170-A-59 Half Bridge Output 3
M170-A-62 Peak Hold Injector 8
M170-A-57 Peak Hold Injector 7
M170-A-58 Half Bridge Output 5
5V ref
5V ref
M170-A-12 Analogue Voltage Input 5
0V sensor
0V sensor
M170-A-6 Analogue Voltage Input 3
M170-A-64 Half Bridge Output 6
OEM-A35
Stock ECU being replaced
11Cooling fan relay 3 (FAN1)
12Cooling fan relay 2 (FAN2)
13EFI main relay 1 (SSHUT)
17ETCS relay (MCR)
21Accelerator pedal 5V supply (VCPA)
22Accelerator pedal 5V supply (VCP2)
23Accelerator pedal position (VPA)
29Accelerator pedal ground (EPA)
30Accelerator pedal ground (EPA2)
31Accelerator pedal position 2 (VPA2)
35A/C clutch relay (AC)
M170-A-9 Half Bridge Output 1
M170-A-8 Half Bridge Output 2
GND
GND
M170-A-10 Low Side Ignition 4
M170-A-5 Low Side Ignition 2
M170-A-33 Peak Hold Injector 1
M170-A-24 Peak Hold Injector 5
M170-A-43 Low Side Injector 1
M170-A-36 Analogue Voltage Input 6
5V ref
M170-A-30 Analogue Temperature Input 3
M170-A-1 Low Side Ignition 1
M170-A-50 Peak Hold Injector 2
M170-A-42 Peak Hold Injector 6
M170-A-63 Peak Hold Injector 3
M170-A-51 Low Side Injector 2
M170-A-7 Analogue Voltage Input 4
0V sensor
M170-A-28 Analogue Temperature Input 1
M170-A-4 Low Side Ignition 3
M170-A-66 Peak Hold Injector 4
OEM-A36
Stock ECU being replaced
1Throttle actuator motor - (M-)
2Throttle actuator motor + (M+)
3Power ground (E02)
4Power ground (E01)
8Ignition coil 4 (IGT4)
10Ignition coil 2 (IGT2)
12Injector 1 port (#10)
13Injector 4 port (#40)
14Injector 1 direct (#1)
18Throttle position (VTA1)
19Sensor 5V supply (VC)
20Oil temperature (OT)
21Ignition coil 1 (IGT1)
22Injector 2 port (#20)
23Injector 4 direct (#4)
24Injector 3 direct (#3)
25Injector 2 direct (#2)
28Throttle position 2 (VTA2)
29Sensor ground (E1)
30Engine coolant temperature (THW)
31Ignition coil 3 (IGT3)
32Injector 3 port (#30)
M170
M170-A
M170
1Low Side Ignition 1
4Low Side Ignition 3
5Low Side Ignition 2
6Analogue Voltage Input 3
7Analogue Voltage Input 4
8Half Bridge Output 2
9Half Bridge Output 1
10Low Side Ignition 4
11Sensor 0V A
12Analogue Voltage Input 5
13Universal Digital Input 7
14Battery Negative 1
15Battery Negative 2
16Sensor 5.0V A
18Analogue Voltage Input 2
19Battery Negative 3
20Battery Negative 4
21Battery Negative 5
22Universal Digital Input 8
23Battery Positive
24Peak Hold Injector 5
26Analogue Voltage Input 1
27Sensor 0V B
28Analogue Temperature Input 1
29Knock Input 1
30Analogue Temperature Input 3
31CAN Bus 1 Low
32Battery Positive
33Peak Hold Injector 1
35Analogue Voltage Input 7
36Analogue Voltage Input 6
38Analogue Temperature Input 2
40CAN Bus 1 High
41Battery Positive
42Peak Hold Injector 6
43Low Side Injector 1
44Analogue Voltage Input 8
45Universal Digital Input 4
46Universal Digital Input 3
49Universal Digital Input 1
50Peak Hold Injector 2
51Low Side Injector 2
52Universal Digital Input 5
53Universal Digital Input 6
54Battery Backup
56Universal Digital Input 2
57Peak Hold Injector 7
58Half Bridge Output 5
59Half Bridge Output 3
60Knock Input 2
62Peak Hold Injector 8
63Peak Hold Injector 3
64Half Bridge Output 6
65Half Bridge Output 4
66Peak Hold Injector 4
OEM-A36-21 Ignition coil 1 (IGT1)
OEM-A36-31 Ignition coil 3 (IGT3)
OEM-A36-10 Ignition coil 2 (IGT2)
OEM-A35-31 Accelerator pedal position 2 (VPA2)
OEM-A36-28 Throttle position 2 (VTA2)
OEM-A36-2 Throttle actuator motor + (M+)
OEM-A36-1 Throttle actuator motor - (M-)
OEM-A36-8 Ignition coil 4 (IGT4)
0V sensor
OEM-A35-23 Accelerator pedal position (VPA)
OEM-A33-15 Clutch switch (CLSW)
GND
GND
5V ref
OEM-A34-20 Manifold absolute pressure (PIM)
GND
GND
GND
OEM-A33-16 Neutral switch (NSW)
Battery Positive
OEM-A36-13 Injector 4 port (#40)
OEM-A33-22 Mass air flow (VG)
0V sensor
OEM-A36-30 Engine coolant temperature (THW)
OEM-A34-28 Knock sensor 1 (KNK1)
OEM-A36-20 Oil temperature (OT)
OEM-A33-18 CAN low (CANL)
Battery Positive
OEM-A36-12 Injector 1 port (#10)
OEM-A34-21 Heated oxygen sensor (OX1B, rear)
OEM-A36-18 Throttle position (VTA1)
OEM-A33-12 Intake air temperature (THA, in MAF)
OEM-A33-19 CAN high (CANH)
Battery Positive
OEM-A36-23 Injector 4 direct (#4)
OEM-A36-14 Injector 1 direct (#1)
OEM-A33-8 A/C pressure sensor (ACP)
OEM-A34-25 VVT cam sensor exhaust bank 2 (EV2+)
OEM-A34-26 VVT cam sensor intake bank 1 (VV1+)
OEM-A34-16 Crank position (NE+)
OEM-A36-22 Injector 2 port (#20)
OEM-A36-25 Injector 2 direct (#2)
OEM-A34-15 VVT cam sensor intake bank 2 (VV2+)
OEM-A33-14 Starter signal (STSW2)
Battery Backup
OEM-A34-14 VVT cam sensor exhaust bank 1 (EV1+)
OEM-A35-13 EFI main relay 1 (SSHUT)
OEM-A35-17 ETCS relay (MCR)
OEM-A35-11 Cooling fan relay 3 (FAN1)
OEM-A34-17 Knock sensor 2 (KNK2)
OEM-A35-12 Cooling fan relay 2 (FAN2)
OEM-A36-24 Injector 3 direct (#3)
OEM-A35-35 A/C clutch relay (AC)
OEM-A33-20 Blower relay (HB)
OEM-A36-32 Injector 3 port (#30)
SP-14V · 6 pins
SP-GND · 12 pins
SP-0V · 8 pins
SP-5V1 · 6 pins
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