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-C1-37 LOW SIDE RELAY 11
GND
GND
GND
ECU main power (terminal 87 via main relay)
Voltage supply (injector / fuse carrier)
OEM-X60001
Stock ECU being replaced
1Injector/unloader relay control (terminal 15)
4Power ground
5Power ground
6Power ground
8ECU main power (terminal 87 via main relay)
9Voltage supply (injector / fuse carrier)
ME221-C1-16 LSU HEATER -VE
ME221-C1-74 LOW SIDE 3
ME221-C1-73 LOW SIDE 1
ME221-C1-12 LOW SIDE 2
0V sensor
0V sensor
0V sensor
ME221-C1-42 LOW SIDE RELAY 12
0V sensor
OEM-X60002
Stock ECU being replaced
1O2 sensor heater, bank 1 pre-cat
7O2 sensor heater, bank 1 post-cat
13O2 sensor heater, bank 2 pre-cat
19O2 sensor heater, bank 2 post-cat
20O2 sensor ground, bank 1 pre-cat
21O2 sensor ground, bank 2 pre-cat
22O2 sensor ground, bank 1 post-cat
23Main relay control
24O2 sensor ground, bank 2 post-cat
ME221-C1-26 ANA VOLT 1
ME221-C1-22 CAM A VR+
ME221-C1-23 CAM A VR-
5V ref
ME221-C1-81 CRANK VR+
ME221-C1-18 ANA VOLT 4
0V sensor
0V sensor
0V sensor
ME221-C1-56 ANA VOLT 2
0V sensor
0V sensor
ME221-C1-57 ANA TEMP 2
0V sensor
ME221-C1-86 ANA TEMP 1
0V sensor
0V sensor
ME221-C1-53 KNOCK 1 SIGNAL
ME221-C1-63 INJECTOR 1
ME221-C1-4 INJECTOR 2
ME221-C1-33 INJECTOR 3
ME221-C1-3 INJECTOR 4
ME221-C1-63 INJECTOR 1
ME221-C1-4 INJECTOR 2
ME221-C1-44 LOW SIDE 4
ME221-C1-69 LOW SIDE 5
ME221-C1-39 LOW SIDE 6
ME221-C1-67 Stepper 1 / A1
ME221-C1-68 Stepper 2 / A2
ME221-C1-70 Stepper 3 / B1
ME221-C1-71 Stepper 4 / B2
OEM-X60003
Stock ECU being replaced
1Mass air flow (MAF) signal
2Exhaust camshaft position
5Intake camshaft position
7Throttle body +5V supply
8Crankshaft position
10Throttle position sensor 2
15Exhaust camshaft ground
17MAF ground
18Intake camshaft ground
19Throttle position sensor 1
20Throttle ground
21Crankshaft ground
22Intake air temperature (IAT)
23IAT ground
24Engine coolant temperature (ECT)
25ECT ground
28Oil temperature ground
29Knock sensor, cylinders 1-3 (A)
33Injector cylinder 1
34Injector cylinder 2
35Injector cylinder 3
36Injector cylinder 4
37Injector cylinder 5
38Injector cylinder 6
40VANOS intake solenoid
41VANOS exhaust solenoid
42Evap purge valve
43Throttle motor drive 1 (H-bridge)
44Throttle motor drive 2 (H-bridge)
46Idle speed control, close
47Idle speed control, open
0V sensor
ME221-C1-17 ANA VOLT 3
5V ref
ME221-C1-72 LOW SIDE RELAY 13
0V sensor
5V ref
OEM-X60004
Stock ECU being replaced
7Pedal ground 1
8Pedal position signal 1
9Pedal +5V supply 1
10Fuel pump relay control
12Pedal ground 2
14Pedal +5V supply 2
ME221-C1-2 COIL 3
ME221-C1-31 COIL 2
ME221-C1-32 COIL 1
GND
ME221-C1-1 COIL 4
OEM-X60005
Stock ECU being replaced
1Ignition coil 3
2Ignition coil 2
3Ignition coil 1
5Ignition ground
9Ignition coil 4
ME221
ME221-C1
ME221
1COIL 4
2COIL 3
3INJECTOR 4
4INJECTOR 2
10GROUND CHASSIS
12LOW SIDE 2
15IGN +12V
16LSU HEATER -VE
17ANA VOLT 3
18ANA VOLT 4
22CAM A VR+
23CAM A VR-
26ANA VOLT 1
31COIL 2
32COIL 1
33INJECTOR 3
37LOW SIDE RELAY 11
39LOW SIDE 6
42LOW SIDE RELAY 12
44LOW SIDE 4
455V REF
52SENSORS GROUND
53KNOCK 1 SIGNAL
56ANA VOLT 2
57ANA TEMP 2
61GROUND
63INJECTOR 1
64VBAT
67Stepper 1 / A1
68Stepper 2 / A2
69LOW SIDE 5
70Stepper 3 / B1
71Stepper 4 / B2
72LOW SIDE RELAY 13
73LOW SIDE 1
74LOW SIDE 3
81CRANK VR+
84Sensor Ground
86ANA TEMP 1
89GROUND
90GROUND
OEM-X60005-9 Ignition coil 4
OEM-X60005-1 Ignition coil 3
OEM-X60003-36 Injector cylinder 4
INJECTOR 2 · 2 pins
GND
OEM-X60002-19 O2 sensor heater, bank 2 post-cat
IGN +12V
OEM-X60002-1 O2 sensor heater, bank 1 pre-cat
OEM-X60004-8 Pedal position signal 1
OEM-X60003-10 Throttle position sensor 2
OEM-X60003-2 Exhaust camshaft position
OEM-X60003-5 Intake camshaft position
OEM-X60003-1 Mass air flow (MAF) signal
OEM-X60005-2 Ignition coil 2
OEM-X60005-3 Ignition coil 1
OEM-X60003-35 Injector cylinder 3
OEM-X60001-1 Injector/unloader relay control (terminal 15)
OEM-X60003-42 Evap purge valve
OEM-X60002-23 Main relay control
OEM-X60003-40 VANOS intake solenoid
5V ref
0V sensor
OEM-X60003-29 Knock sensor, cylinders 1-3 (A)
OEM-X60003-19 Throttle position sensor 1
OEM-X60003-22 Intake air temperature (IAT)
GND
Injector cylinder 1 · 2 pins
VBAT
OEM-X60003-43 Throttle motor drive 1 (H-bridge)
OEM-X60003-44 Throttle motor drive 2 (H-bridge)
OEM-X60003-41 VANOS exhaust solenoid
OEM-X60003-46 Idle speed control, close
OEM-X60003-47 Idle speed control, open
OEM-X60004-10 Fuel pump relay control
OEM-X60002-13 O2 sensor heater, bank 2 pre-cat
OEM-X60002-7 O2 sensor heater, bank 1 post-cat
OEM-X60003-8 Crankshaft position
0V sensor
OEM-X60003-24 Engine coolant temperature (ECT)
GND
GND
SP-14V · 5 pins
SP-GND · 9 pins
SP-0V · 17 pins
SP-5V1 · 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.
66 / 66 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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