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
M170-A-43 Low Side Injector 1
M170-A-33 Peak Hold Injector 1
M170-A-50 Peak Hold Injector 2
GND
OEM-A
Stock ECU being replaced
11Injectors 2 & 6 (No.20)
12Injectors 1 & 4 (No.10)
25Injectors 3 & 5 (No.30)
26Power ground (E01/E02)
M170-A-28 Analogue Temperature Input 1
M170-A-18 Analogue Voltage Input 2
0V sensor
M170-A-26 Analogue Voltage Input 1
OEM-B
Stock ECU being replaced
4Coolant temp (THW)
6Primary O2 sensor (OX1)
9Sensor ground (E1)
11Throttle position sensor (VTA)
M170-A-49 Universal Digital Input 1
M170-A-38 Analogue Temperature Input 2
M170-A-51 Low Side Injector 2
M170-A-29 Knock Input 1
M170-A-56 Universal Digital Input 2
M170-A-46 Universal Digital Input 3
M170-A-45 Universal Digital Input 4
EFI main relay power (+B)
EFI main relay power (second feed) (+B1)
M170-A-52 Universal Digital Input 5
OEM-D
Stock ECU being replaced
2Karman-vortex AFM signal (KS)
3Intake air temp (THA)
4EFI main relay control (M-REL)
5Knock sensor 1 (KNK1)
9Vehicle speed sensor (SPD)
10A/C compressor request (A/C)
11Starter signal (STA)
12EFI main relay power (+B)
13EFI main relay power (second feed) (+B1)
22Neutral start switch (NSW)
M170
M170-A
M170
11Sensor 0V A
14Battery Negative 1
15Battery Negative 2
18Analogue Voltage Input 2
19Battery Negative 3
20Battery Negative 4
21Battery Negative 5
23Battery Positive
26Analogue Voltage Input 1
27Sensor 0V B
28Analogue Temperature Input 1
29Knock Input 1
32Battery Positive
33Peak Hold Injector 1
38Analogue Temperature Input 2
41Battery Positive
43Low Side Injector 1
45Universal Digital Input 4
46Universal Digital Input 3
49Universal Digital Input 1
50Peak Hold Injector 2
51Low Side Injector 2
52Universal Digital Input 5
56Universal Digital Input 2
0V sensor
GND
GND
OEM-B-6 Primary O2 sensor (OX1)
GND
GND
GND
Battery Positive
OEM-B-11 Throttle position sensor (VTA)
0V sensor
OEM-B-4 Coolant temp (THW)
OEM-D-5 Knock sensor 1 (KNK1)
Battery Positive
OEM-A-12 Injectors 1 & 4 (No.10)
OEM-D-3 Intake air temp (THA)
Battery Positive
OEM-A-11 Injectors 2 & 6 (No.20)
OEM-D-11 Starter signal (STA)
OEM-D-10 A/C compressor request (A/C)
OEM-D-2 Karman-vortex AFM signal (KS)
OEM-A-25 Injectors 3 & 5 (No.30)
OEM-D-4 EFI main relay control (M-REL)
OEM-D-22 Neutral start switch (NSW)
OEM-D-9 Vehicle speed sensor (SPD)
MAIN
MAIN-R
MAIN
INRelay contact input (battery + via main fuse)
OUTRelay contact output (switched +12V bus)
COIL+Relay coil positive (ignition-switched +12V)
COIL-Relay coil negative (ECU low-side driver)
NEW-BATT
Battery Positive · 3 pins
Relay coil positive (ignition-switched +12V)
SP-GND · 6 pins
SP-0V · 4 pins
SP-GND · 8 pins
SP-14V · 3 pins
◯New feed: NEW-BATT
◯New feed: NEW-KEYON
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.
31 / 31 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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