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
SHADOW8-B-2 Injector cylinder 1
SHADOW8-B-6 Injector cylinder 5
SHADOW8-B-5 Injector cylinder 4
SHADOW8-B-11 Aux output 2
SHADOW8-B-10 Aux output 1
SHADOW8-B-13 Aux output 4
SHADOW8-B-12 Aux output 3
5V ref
SHADOW8-A-11 Analog voltage 2
SHADOW8-A-10 Analog voltage 1
SHADOW8-B-9 Injector cylinder 8
5V ref
PCM power feed (VPWR, fused)
0V sensor
SHADOW8-A-12 Analog voltage 3
SHADOW8-A-26 Digital input 1
SHADOW8-B-7 Injector cylinder 6
5V ref
SHADOW8-A-8 Shield (via SP-SHD)
0V sensor
SHADOW8-A-21 Analog voltage 9 (switchable 1k pull-up)
SHADOW8-A-22 Analog voltage 10 (switchable 1k pull-up)
SHADOW8-B-4 Injector cylinder 3
SHADOW8-A-13 Analog voltage 4
SHADOW8-A-27 Digital input 2
0V sensor
0V sensor
SHADOW8-A-16 Knock 1 +
0V sensor
SHADOW8-A-6 Sync position sensor
SHADOW8-A-28 Digital input 3
SHADOW8-B-8 Injector cylinder 7
SHADOW8-B-3 Injector cylinder 2
0V sensor
SHADOW8-A-24 Knock 2 +
0V sensor
SHADOW8-A-5 Crank position sensor
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)
39Crankshaft sensor shield/drain
40VR sensor return (VRSRTN)
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)
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
SHADOW8-A-14 Analog voltage 5
SHADOW8-A-19 Analog voltage 7 (switchable 1k pull-up)
Pedal 1 5V supply
Pedal 2 5V supply
SHADOW8
SHADOW8-A
SHADOW8
1ECU supply
35.0V sensor supply
40V analog reference
5Crank position sensor
6Sync position sensor
7Trigger ground
8Shield
9Ground 1
10Analog voltage 1
11Analog voltage 2
12Analog voltage 3
13Analog voltage 4
14Analog voltage 5
16Knock 1 +
18Analog voltage 6
19Analog voltage 7 (switchable 1k pull-up)
20Analog voltage 8 (switchable 1k pull-up)
21Analog voltage 9 (switchable 1k pull-up)
22Analog voltage 10 (switchable 1k pull-up)
24Knock 2 +
26Digital input 1
27Digital input 2
28Digital input 3
34Ground 2
ECU supply
5V ref
0V sensor
OEM-C175E-70 Crankshaft position (CKP+)
OEM-C175E-55 Camshaft position bank 1 (CMP1)
0V sensor
OEM-C175E-39 Crankshaft sensor shield/drain (via SP-SHD)
GND
OEM-C175E-10 Throttle position 1 (TP1-NS)
OEM-C175E-9 Throttle position 2 (TP2-PS)
OEM-C175E-27 Intake air temperature (IAT)
OEM-C175E-47 Cylinder head temperature (CHT)
APP-J-SIG1 Pedal position 1
OEM-C175E-53 Knock sensor 1 bank 1 signal (KS1+)
TB-J-TPS1 Throttle position 1
APP-J-SIG2 Pedal position 2
TB-J-TPS2 Throttle position 2
OEM-C175E-44 Intake manifold monitor (IMM)
OEM-C175E-45 Intake port deactivation valve position
OEM-C175E-68 Knock sensor 2 bank 1 signal (KS2+)
OEM-C175E-30 Engine oil level switch (EOL)
OEM-C175E-48 Oil pressure switch
OEM-C175E-57 Oil pressure switch (MTX)
GND
SHADOW8-B
SHADOW8
1Battery constant (HOT) supply
2Injector cylinder 1
3Injector cylinder 2
4Injector cylinder 3
5Injector cylinder 4
6Injector cylinder 5
7Injector cylinder 6
8Injector cylinder 7
9Injector cylinder 8
10Aux output 1
11Aux output 2
12Aux output 3
13Aux output 4
21Digital input 10 / ignition switch
22Aux output 9
23Aux output 10
26Aux 9–12 power supply
Battery constant (HOT) supply
OEM-C175E-1 Fuel injector driver 1 (INJ 1)
OEM-C175E-62 Fuel injector driver 2 (INJ 2)
OEM-C175E-46 Fuel injector driver 3 (INJ 3)
OEM-C175E-3 Fuel injector driver 4 (INJ 4)
OEM-C175E-2 Fuel injector driver 5 (INJ 5)
OEM-C175E-31 Fuel injector driver 6 (INJ 6)
OEM-C175E-61 Fuel injector driver 7 (INJ 7)
OEM-C175E-16 Fuel injector driver 8 (INJ 8)
OEM-C175E-5 Variable camshaft timing valve 1 (VCT1)
OEM-C175E-4 Variable camshaft timing valve 2 (VCT2)
OEM-C175E-7 Variable camshaft timing valve 3 (VCT3)
OEM-C175E-6 Variable camshaft timing valve 4 (VCT4)
NEW-KEYON
TB-J-M+ Throttle motor +
TB-J-M- Throttle motor −
Aux 9–12 power supply
TB
TB-J
TB
M+Throttle motor +
M-Throttle motor −
GNDThrottle sensor ground
TPS1Throttle position 1
TPS2Throttle position 2
VCCThrottle 5V supply
SHADOW8-B-22 Aux output 9
SHADOW8-B-23 Aux output 10
0V sensor
SHADOW8-A-18 Analog voltage 6
SHADOW8-A-20 Analog voltage 8 (switchable 1k pull-up)
Throttle 5V supply
SP-5V1 · 8 pins
SP-SHD · 3 pins
SP-0V · 13 pins
SP-14V · 4 pins
SP-GND · 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.