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
M190-A-11 Peak Hold Injector 1
M190-A-2 Low Side Injector 2
M190-A-12 Peak Hold Injector 2
M190-A-5 Low Side Injector 4
M190-B-b Low Side Injector 3
M190-A-48 Low Side Injector 5
M190-B-S Low Side Injector 4
5V ref
M190-C-36 Analogue Voltage Input 2
M190-C-42 Analogue Voltage Input 1
M190-A-26 Peak Hold Injector 3
5V ref
PCM power feed (VPWR, fused)
0V sensor
M190-C-37 Analogue Temperature Input 1
M190-A-21 Digital Input 1
M190-B-V Low Side Injector 2
5V ref
0V sensor
M190-C-27 Universal Digital Input 4
M190-C-40 Universal Digital Input 5
M190-C-12 Analogue Voltage Input 7
M190-C-6 Analogue Voltage Input 8
M190-B-U Low Side Injector 1
M190-C-39 Analogue Temperature Input 2
M190-A-14 Digital Input 2
0V sensor
0V sensor
M190-C-51 Knock Input 1
0V sensor
M190-C-32 Universal Digital Input 2
M190-C-25 Universal Digital Input 3
M190-A-30 Digital Input 3
M190-A-1 Low Side Injector 3
M190-A-3 Low Side Injector 1
0V sensor
M190-C-44 Knock Input 2
0V sensor
M190-C-18 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
M190-C-35 Analogue Voltage Input 3
M190-C-29 Analogue Voltage Input 5
Pedal 1 5V supply
Pedal 2 5V supply
M190
M190-A
M190
1Low Side Injector 3
2Low Side Injector 2
3Low Side Injector 1
5Low Side Injector 4
8Sensor 5.0V C1
9Sensor 5.0V C2
11Peak Hold Injector 1
12Peak Hold Injector 2
14Digital Input 2
16Sensor 5.0V C3
18Sensor 0V C1
19Sensor 0V C2
20Sensor 0V C3
21Digital Input 1
26Peak Hold Injector 3
30Digital Input 3
48Low Side Injector 5
OEM-C175E-61 Fuel injector driver 7 (INJ 7)
OEM-C175E-2 Fuel injector driver 5 (INJ 5)
OEM-C175E-62 Fuel injector driver 2 (INJ 2)
OEM-C175E-4 Variable camshaft timing valve 2 (VCT2)
5V ref
5V ref
OEM-C175E-1 Fuel injector driver 1 (INJ 1)
OEM-C175E-3 Fuel injector driver 4 (INJ 4)
OEM-C175E-48 Oil pressure switch
5V ref
0V sensor
0V sensor
0V sensor
OEM-C175E-30 Engine oil level switch (EOL)
OEM-C175E-16 Fuel injector driver 8 (INJ 8)
OEM-C175E-57 Oil pressure switch (MTX)
OEM-C175E-6 Variable camshaft timing valve 4 (VCT4)
M190-B
M190
AHalf Bridge Output 1
bLow Side Injector 3
BHalf Bridge Output 2
cBattery Negative 6
GBattery Negative 1
HBattery Positive 1
JBattery Positive 2
KBattery Positive 3
LBattery Positive 4
SLow Side Injector 4
ULow Side Injector 1
VLow Side Injector 2
WBattery Negative 2
XBattery Negative 3
YBattery Negative 4
ZBattery Negative 5
TB-J-M+ Throttle motor +
OEM-C175E-5 Variable camshaft timing valve 1 (VCT1)
TB-J-M- Throttle motor −
GND
GND
Battery Positive 1
Battery Positive 2
Battery Positive 3
Battery Positive 4
OEM-C175E-7 Variable camshaft timing valve 3 (VCT3)
OEM-C175E-46 Fuel injector driver 3 (INJ 3)
OEM-C175E-31 Fuel injector driver 6 (INJ 6)
GND
GND
GND
GND
M190-C
M190
6Analogue Voltage Input 8
11Analogue Voltage Input 6
12Analogue Voltage Input 7
14Sensor 0V A1
15Sensor 0V A2
18Universal Digital Input 1
23Sensor 0V B1
25Universal Digital Input 3
27Universal Digital Input 4
28Analogue Voltage Input 4
29Analogue Voltage Input 5
30Sensor 0V B2
32Universal Digital Input 2
35Analogue Voltage Input 3
36Analogue Voltage Input 2
37Analogue Temperature Input 1
39Analogue Temperature Input 2
40Universal Digital Input 5
42Analogue Voltage Input 1
44Knock Input 2
51Knock Input 1
OEM-C175E-45 Intake port deactivation valve position
TB-J-TPS2 Throttle position 2
OEM-C175E-44 Intake manifold monitor (IMM)
0V sensor
0V sensor
OEM-C175E-70 Crankshaft position (CKP+)
0V sensor
OEM-C175E-56 Camshaft position bank 1 exhaust (CMP1 EX)
OEM-C175E-41 Camshaft position bank 2 (CMP2)
TB-J-TPS1 Throttle position 1
APP-J-SIG2 Pedal position 2
0V sensor
OEM-C175E-55 Camshaft position bank 1 (CMP1)
APP-J-SIG1 Pedal position 1
OEM-C175E-9 Throttle position 2 (TP2-PS)
OEM-C175E-27 Intake air temperature (IAT)
OEM-C175E-47 Cylinder head temperature (CHT)
OEM-C175E-42 Camshaft position bank 2 exhaust (CMP2 EX)
OEM-C175E-10 Throttle position 1 (TP1-NS)
OEM-C175E-68 Knock sensor 2 bank 1 signal (KS2+)
OEM-C175E-53 Knock sensor 1 bank 1 signal (KS1+)
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 2 · 4 pins
Relay coil positive (ignition-switched +12V)
SP-GND · 6 pins
TB
TB-J
TB
M+Throttle motor +
M-Throttle motor −
GNDThrottle sensor ground
TPS1Throttle position 1
TPS2Throttle position 2
VCCThrottle 5V supply
M190-B-A Half Bridge Output 1
M190-B-B Half Bridge Output 2
0V sensor
M190-C-28 Analogue Voltage Input 4
M190-C-11 Analogue Voltage Input 6
Throttle 5V supply
SP-5V1 · 4 pins
SP-14V · 2 pins
SP-5V2 · 5 pins
SP-0V · 18 pins
SP-GND · 8 pins
◯New feed: NEW-BATT
◯New feed: NEW-KEYON
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