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
ME221-C1-63 INJECTOR 1
ME221-C1-63 INJECTOR 1
ME221-C1-3 INJECTOR 4
ME221-C1-12 LOW SIDE 2
ME221-C1-73 LOW SIDE 1
ME221-C1-44 LOW SIDE 4
ME221-C1-74 LOW SIDE 3
5V ref
ME221-C1-56 ANA VOLT 2
ME221-C1-26 ANA VOLT 1
ME221-C1-3 INJECTOR 4
5V ref
PCM power feed (VPWR, fused)
ME221-C1-20 LSU VM
0V sensor
ME221-C1-86 ANA TEMP 1
ME221-C1-6 DIG_IN 1
ME221-C1-4 INJECTOR 2
5V ref
ME221-C1-50 LSU IP
0V sensor
ME221-C1-33 INJECTOR 3
ME221-C1-57 ANA TEMP 2
ME221-C1-7 DIG_IN 2
0V sensor
ME221-C1-19 LSU UN
0V sensor
ME221-C1-53 KNOCK 1 SIGNAL
0V sensor
ME221-C1-22 CAM A VR+
ME221-C1-23 CAM A VR-
ME221-C1-33 INJECTOR 3
ME221-C1-4 INJECTOR 2
0V sensor
0V sensor
ME221-C1-80 CRANK VR+
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)
20Universal HEGO 1st reference (UREF-11)
23Electronic throttle control return (ETCRTN)
27Intake air temperature (IAT)
30Engine oil level switch (EOL)
31Fuel injector driver 6 (INJ 6)
34Voltage reference engine (VREF)
35Universal HEGO 1st pump current (UO2SIP-11)
40VR sensor return (VRSRTN)
46Fuel injector driver 3 (INJ 3)
47Cylinder head temperature (CHT)
48Oil pressure switch
49Signal return engine #2
50Universal HEGO 1st sense (UO2SN-11)
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)
61Fuel injector driver 7 (INJ 7)
62Fuel injector driver 2 (INJ 2)
67Knock sensor 2 bank 1 return (KS2−)
69Crankshaft position return (CKP−)
70Crankshaft position (CKP+)
APP
APP-J
APP
GND1Pedal 1 low ref
GND2Pedal 2 low ref
SIG1Pedal position 1
VCC1Pedal 1 5V supply
VCC2Pedal 2 5V supply
0V sensor
0V sensor
ME221-C1-17 ANA VOLT 3
Pedal 1 5V supply
Pedal 2 5V supply
ME221
ME221-C1
ME221
3INJECTOR 4
4INJECTOR 2
6DIG_IN 1
7DIG_IN 2
10GROUND CHASSIS
12LOW SIDE 2
15IGN +12V
17ANA VOLT 3
18ANA VOLT 4
19LSU UN
20LSU VM
22CAM A VR+
23CAM A VR-
26ANA VOLT 1
33INJECTOR 3
44LOW SIDE 4
455V REF
465V REF
50LSU IP
52SENSORS GROUND
53KNOCK 1 SIGNAL
56ANA VOLT 2
57ANA TEMP 2
61GROUND
63INJECTOR 1
64VBAT
67Stepper 1 / A1
68Stepper 2 / A2
73LOW SIDE 1
74LOW SIDE 3
765V REF
80CRANK VR+
84Sensor Ground
86ANA TEMP 1
89GROUND
90GROUND
Fuel injector driver 8 (INJ 8) · 2 pins
Fuel injector driver 2 (INJ 2) · 2 pins
OEM-C175E-30 Engine oil level switch (EOL)
OEM-C175E-48 Oil pressure switch
GND
OEM-C175E-4 Variable camshaft timing valve 2 (VCT2)
IGN +12V
APP-J-SIG1 Pedal position 1
TB-J-TPS1 Throttle position 1
OEM-C175E-50 Universal HEGO 1st sense (UO2SN-11)
OEM-C175E-20 Universal HEGO 1st reference (UREF-11)
OEM-C175E-55 Camshaft position bank 1 (CMP1)
OEM-C175E-56 Camshaft position bank 1 exhaust (CMP1 EX)
OEM-C175E-10 Throttle position 1 (TP1-NS)
Fuel injector driver 3 (INJ 3) · 2 pins
OEM-C175E-6 Variable camshaft timing valve 4 (VCT4)
5V ref
5V ref
OEM-C175E-35 Universal HEGO 1st pump current (UO2SIP-11)
0V sensor
OEM-C175E-53 Knock sensor 1 bank 1 signal (KS1+)
OEM-C175E-9 Throttle position 2 (TP2-PS)
OEM-C175E-47 Cylinder head temperature (CHT)
GND
INJECTOR 1 · 2 pins
VBAT
TB-J-M+ Throttle motor +
TB-J-M- Throttle motor −
OEM-C175E-5 Variable camshaft timing valve 1 (VCT1)
OEM-C175E-7 Variable camshaft timing valve 3 (VCT3)
5V ref
OEM-C175E-70 Crankshaft position (CKP+)
0V sensor
OEM-C175E-27 Intake air temperature (IAT)
GND
GND
TB
TB-J
TB
M+Throttle motor +
M-Throttle motor −
GNDThrottle sensor ground
TPS1Throttle position 1
VCCThrottle 5V supply
ME221-C1-67 Stepper 1 / A1
ME221-C1-68 Stepper 2 / A2
0V sensor
ME221-C1-18 ANA VOLT 4
Throttle 5V supply
SP-5V1 · 4 pins
SP-5V2 · 5 pins
SP-14V · 4 pins
SP-0V · 13 pins
SP-GND · 5 pins
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.
56 / 56 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
| Wire | From | To | Signal | Gauge | Colour | Stripe | Ident | Flags | |
|---|---|---|---|---|---|---|---|---|---|
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — |