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.
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Stock ECU being replaced
M150-C-19 Peak Hold Injector 1
M150-B-9 Low Side Injector 3
M150-C-24 Low Side Injector 2
M150-B-14 Low Side Injector 6
M150-B-8 Low Side Injector 5
M150-C-28 Peak Hold Injector 6
M150-C-27 Peak Hold Injector 5
5V ref
M150-C-15 Analogue Voltage Input 2
M150-C-14 Analogue Voltage Input 1
M150-C-22 Peak Hold Injector 4
5V ref
PCM power feed (VPWR, fused)
0V sensor
M150-D-3 Analogue Temperature Input 1
M150-A-23 Digital Input 1
M150-C-21 Peak Hold Injector 3
5V ref
0V sensor
M150-D-9 Universal Digital Input 4
M150-D-10 Universal Digital Input 5
M150-D-21 Analogue Voltage Input 7
M150-D-22 Analogue Voltage Input 8
M150-C-20 Peak Hold Injector 2
M150-D-4 Analogue Temperature Input 2
M150-A-15 Digital Input 2
0V sensor
0V sensor
M150-D-7 Knock Input 1
0V sensor
M150-D-2 Universal Digital Input 2
M150-D-8 Universal Digital Input 3
M150-A-16 Digital Input 3
M150-B-15 Low Side Injector 4
M150-C-23 Low Side Injector 1
0V sensor
M150-D-13 Knock Input 2
0V sensor
M150-D-1 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)
6Variable camshaft timing valve 4 (VCT4)
7Variable camshaft timing valve 3 (VCT3)
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
M150-C-16 Analogue Voltage Input 3
M150-C-25 Analogue Voltage Input 5
Pedal 1 5V supply
Pedal 2 5V supply
M150
M150-A
M150
10Sensor 5.0V C1
15Digital Input 2
16Digital Input 3
18Sensor 5.0V C2
19Sensor 5.0V B2
23Digital Input 1
24Battery Negative 3
25Battery Negative 4
26Sensor 0V C1
27Sensor 0V C2
32Battery Negative 5
33Sensor 0V B1
34Sensor 0V A1
5V ref
OEM-C175E-48 Oil pressure switch
OEM-C175E-57 Oil pressure switch (MTX)
5V ref
5V ref
OEM-C175E-30 Engine oil level switch (EOL)
GND
GND
0V sensor
0V sensor
GND
0V sensor
0V sensor
M150-B
M150
8Low Side Injector 5
9Low Side Injector 3
13Battery Positive
14Low Side Injector 6
15Low Side Injector 4
19Battery Positive
OEM-C175E-5 Variable camshaft timing valve 1 (VCT1)
OEM-C175E-2 Fuel injector driver 5 (INJ 5)
Battery Positive
OEM-C175E-4 Variable camshaft timing valve 2 (VCT2)
OEM-C175E-61 Fuel injector driver 7 (INJ 7)
Battery Positive
M150-C
M150
1Half Bridge Output 2
10Battery Negative 1
11Battery Negative 2
14Analogue Voltage Input 1
15Analogue Voltage Input 2
16Analogue Voltage Input 3
17Analogue Voltage Input 4
18Half Bridge Output 1
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
TB-J-M- Throttle motor −
GND
GND
OEM-C175E-10 Throttle position 1 (TP1-NS)
OEM-C175E-9 Throttle position 2 (TP2-PS)
APP-J-SIG1 Pedal position 1
TB-J-TPS1 Throttle position 1
TB-J-M+ Throttle motor +
OEM-C175E-1 Fuel injector driver 1 (INJ 1)
OEM-C175E-46 Fuel injector driver 3 (INJ 3)
OEM-C175E-31 Fuel injector driver 6 (INJ 6)
OEM-C175E-16 Fuel injector driver 8 (INJ 8)
OEM-C175E-62 Fuel injector driver 2 (INJ 2)
OEM-C175E-3 Fuel injector driver 4 (INJ 4)
APP-J-SIG2 Pedal position 2
Battery Positive
OEM-C175E-7 Variable camshaft timing valve 3 (VCT3)
OEM-C175E-6 Variable camshaft timing valve 4 (VCT4)
M150-D
M150
1Universal Digital Input 1
2Universal Digital Input 2
3Analogue Temperature Input 1
4Analogue Temperature Input 2
7Knock Input 1
8Universal Digital Input 3
9Universal Digital Input 4
10Universal Digital Input 5
13Knock Input 2
15Sensor 0V A
16Sensor 0V B
20Analogue Voltage Input 6
21Analogue Voltage Input 7
22Analogue Voltage Input 8
OEM-C175E-70 Crankshaft position (CKP+)
OEM-C175E-55 Camshaft position bank 1 (CMP1)
OEM-C175E-27 Intake air temperature (IAT)
OEM-C175E-47 Cylinder head temperature (CHT)
OEM-C175E-53 Knock sensor 1 bank 1 signal (KS1+)
OEM-C175E-56 Camshaft position bank 1 exhaust (CMP1 EX)
OEM-C175E-41 Camshaft position bank 2 (CMP2)
OEM-C175E-42 Camshaft position bank 2 exhaust (CMP2 EX)
OEM-C175E-68 Knock sensor 2 bank 1 signal (KS2+)
0V sensor
0V sensor
TB-J-TPS2 Throttle position 2
OEM-C175E-44 Intake manifold monitor (IMM)
OEM-C175E-45 Intake port deactivation valve position
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 · 5 pins
TB
TB-J
TB
M+Throttle motor +
M-Throttle motor −
GNDThrottle sensor ground
TPS1Throttle position 1
TPS2Throttle position 2
VCCThrottle 5V supply
M150-C-18 Half Bridge Output 1
M150-C-1 Half Bridge Output 2
0V sensor
M150-C-17 Analogue Voltage Input 4
M150-D-20 Analogue Voltage Input 6
Throttle 5V supply
SP-5V1 · 4 pins
SP-14V · 2 pins
SP-5V2 · 5 pins
SP-0V · 17 pins
SP-GND · 7 pins
◯New feed: NEW-BATT
◯New feed: NEW-KEYON
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