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-33 Peak Hold Injector 1
M170-A-63 Peak Hold Injector 3
M170-A-51 Low Side Injector 2
M170-A-62 Peak Hold Injector 8
M170-A-57 Peak Hold Injector 7
5V ref
M170-A-18 Analogue Voltage Input 2
M170-A-26 Analogue Voltage Input 1
M170-A-42 Peak Hold Injector 6
5V ref
PCM power feed (VPWR, fused)
0V sensor
M170-A-28 Analogue Temperature Input 1
M170-A-53 Universal Digital Input 6
M170-A-66 Peak Hold Injector 4
5V ref
0V sensor
M170-A-45 Universal Digital Input 4
M170-A-52 Universal Digital Input 5
M170-A-35 Analogue Voltage Input 7
M170-A-44 Analogue Voltage Input 8
M170-A-50 Peak Hold Injector 2
M170-A-38 Analogue Temperature Input 2
M170-A-13 Universal Digital Input 7
0V sensor
0V sensor
M170-A-29 Knock Input 1
0V sensor
M170-A-56 Universal Digital Input 2
M170-A-46 Universal Digital Input 3
M170-A-22 Universal Digital Input 8
M170-A-24 Peak Hold Injector 5
M170-A-43 Low Side Injector 1
0V sensor
M170-A-60 Knock Input 2
0V sensor
M170-A-49 Universal Digital Input 1
OEM-C175E
Stock ECU being replaced
1Fuel injector driver 1 (INJ 1)
2Fuel injector driver 5 (INJ 5)
3Fuel injector driver 4 (INJ 4)
4Variable camshaft timing valve 2 (VCT2)
5Variable camshaft timing valve 1 (VCT1)
8Electronic throttle control reference (ETCREF)
9Throttle position 2 (TP2-PS)
10Throttle position 1 (TP1-NS)
16Fuel injector driver 8 (INJ 8)
17Buffered power supply sensors (VBPWR)
18PCM power feed (VPWR, fused)
23Electronic throttle control return (ETCRTN)
27Intake air temperature (IAT)
30Engine oil level switch (EOL)
31Fuel injector driver 6 (INJ 6)
34Voltage reference engine (VREF)
40VR sensor return (VRSRTN)
41Camshaft position bank 2 (CMP2)
42Camshaft position bank 2 exhaust (CMP2 EX)
44Intake manifold monitor (IMM)
45Intake port deactivation valve position
46Fuel injector driver 3 (INJ 3)
47Cylinder head temperature (CHT)
48Oil pressure switch
49Signal return engine #2
52Knock sensor 1 bank 1 return (KS1−)
53Knock sensor 1 bank 1 signal (KS1+)
54VR sensor return (VRSRTN)
55Camshaft position bank 1 (CMP1)
56Camshaft position bank 1 exhaust (CMP1 EX)
57Oil pressure switch (MTX)
61Fuel injector driver 7 (INJ 7)
62Fuel injector driver 2 (INJ 2)
67Knock sensor 2 bank 1 return (KS2−)
68Knock sensor 2 bank 1 signal (KS2+)
69Crankshaft position return (CKP−)
70Crankshaft position (CKP+)
APP
APP-J
APP
GND1Pedal 1 low ref
GND2Pedal 2 low ref
SIG1Pedal position 1
SIG2Pedal position 2
VCC1Pedal 1 5V supply
VCC2Pedal 2 5V supply
0V sensor
0V sensor
M170-A-6 Analogue Voltage Input 3
M170-A-12 Analogue Voltage Input 5
Pedal 1 5V supply
Pedal 2 5V supply
M170
M170-A
M170
6Analogue Voltage Input 3
7Analogue Voltage Input 4
8Half Bridge Output 2
9Half Bridge Output 1
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
32Battery Positive
33Peak Hold Injector 1
34Sensor 5.0V B
35Analogue Voltage Input 7
36Analogue Voltage Input 6
38Analogue Temperature Input 2
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
56Universal Digital Input 2
57Peak Hold Injector 7
60Knock Input 2
62Peak Hold Injector 8
63Peak Hold Injector 3
66Peak Hold Injector 4
APP-J-SIG1 Pedal position 1
TB-J-TPS1 Throttle position 1
TB-J-M- Throttle motor −
TB-J-M+ Throttle motor +
0V sensor
APP-J-SIG2 Pedal position 2
OEM-C175E-48 Oil pressure switch
GND
GND
5V ref
OEM-C175E-9 Throttle position 2 (TP2-PS)
GND
GND
GND
OEM-C175E-57 Oil pressure switch (MTX)
Battery Positive
OEM-C175E-61 Fuel injector driver 7 (INJ 7)
OEM-C175E-10 Throttle position 1 (TP1-NS)
0V sensor
OEM-C175E-27 Intake air temperature (IAT)
OEM-C175E-53 Knock sensor 1 bank 1 signal (KS1+)
Battery Positive
OEM-C175E-1 Fuel injector driver 1 (INJ 1)
5V ref
OEM-C175E-44 Intake manifold monitor (IMM)
TB-J-TPS2 Throttle position 2
OEM-C175E-47 Cylinder head temperature (CHT)
Battery Positive
OEM-C175E-16 Fuel injector driver 8 (INJ 8)
OEM-C175E-62 Fuel injector driver 2 (INJ 2)
OEM-C175E-45 Intake port deactivation valve position
OEM-C175E-41 Camshaft position bank 2 (CMP2)
OEM-C175E-56 Camshaft position bank 1 exhaust (CMP1 EX)
OEM-C175E-70 Crankshaft position (CKP+)
OEM-C175E-46 Fuel injector driver 3 (INJ 3)
OEM-C175E-3 Fuel injector driver 4 (INJ 4)
OEM-C175E-42 Camshaft position bank 2 exhaust (CMP2 EX)
OEM-C175E-30 Engine oil level switch (EOL)
OEM-C175E-55 Camshaft position bank 1 (CMP1)
OEM-C175E-5 Variable camshaft timing valve 1 (VCT1)
OEM-C175E-68 Knock sensor 2 bank 1 signal (KS2+)
OEM-C175E-4 Variable camshaft timing valve 2 (VCT2)
OEM-C175E-2 Fuel injector driver 5 (INJ 5)
OEM-C175E-31 Fuel injector driver 6 (INJ 6)
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
Relay contact output (switched +12V bus) · 3 pins
Relay coil positive (ignition-switched +12V)
SP-GND · 5 pins
TB
TB-J
TB
M+Throttle motor +
M-Throttle motor −
GNDThrottle sensor ground
TPS1Throttle position 1
TPS2Throttle position 2
VCCThrottle 5V supply
M170-A-9 Half Bridge Output 1
M170-A-8 Half Bridge Output 2
0V sensor
M170-A-7 Analogue Voltage Input 4
M170-A-36 Analogue Voltage Input 6
Throttle 5V supply
SP-14V · 2 pins
SP-5V2 · 5 pins
SP-0V · 13 pins
SP-5V1 · 5 pins
SP-GND · 7 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.