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
SPEEDUINO-A-16 Proto area 3 (fuel pump)
DBW output-stage supply (P_DKSM+)
GND
GND
GND
ECU main power (terminal 87 via main relay)
GND
OEM-X60001
Stock ECU being replaced
1Injector relay control
2DBW output-stage supply (P_DKSM+)
4Power ground
5Power ground
6Power ground
8ECU main power (terminal 87 via main relay)
9DBW output-stage return (P_DKSM-)
SPEEDUINO-A-35 Boost
SPEEDUINO-A-38 VVT
SPEEDUINO-A-37 PWM idle
SPEEDUINO-A-21 O2 sensor
SPEEDUINO-A-15 Proto area 2 (fan)
OEM-X60002
Stock ECU being replaced
1O2 sensor heater, front 1 (pre-cat)
2O2 sensor heater, front 2 (pre-cat)
12O2 sensor heater, rear 2 (post-cat)
14O2 sensor signal, rear 2 (post-cat)
23Main relay control
SPEEDUINO-A-25 Crank input / VR1+
MAF supply
Throttle (EDK/ITB) supply
SPEEDUINO-A-2 Injector 2
SPEEDUINO-A-5 Injector 4
SPEEDUINO-A-2 Injector 2
SPEEDUINO-A-1 Injector 1
SPEEDUINO-A-1 Injector 1
0V sensor
SPEEDUINO-A-18 Proto area 5 (clutch)
SPEEDUINO-A-3 Injector 3
SPEEDUINO-A-20 Inlet air temp (IAT)
SPEEDUINO-A-19 Coolant temp (CLT)
SPEEDUINO-A-26 VR2-
SPEEDUINO-A-24 Cam input / VR2+
SPEEDUINO-A-22 TPS input
0V sensor
0V sensor
0V sensor
0V sensor
0V sensor
SPEEDUINO-A-14 Proto area 1 (flex fuel)
OEM-X60003
Stock ECU being replaced
3Crankshaft position
4MAF supply
5Throttle (EDK/ITB) supply
6Injector cylinder 2
7Injector cylinder 4
8Injector cylinder 6
11Injector cylinder 5
13Injector cylinder 1
15Throttle ground
16Oil pressure switch
26Injector cylinder 3
27Intake air temperature (IAT)
28Engine coolant temperature (ECT)
29Intake camshaft position
30Exhaust camshaft position
32Throttle position sensor 1
35ECT ground
36Intake camshaft ground
37Crankshaft ground
45Oil temperature ground
49Exhaust camshaft ground
50Oil level switch
0V sensor
5V ref
SPEEDUINO-A-36 Idle 2 (3-wire idle)
0V sensor
5V ref
OEM-X60004
Stock ECU being replaced
7Pedal ground 1
9Pedal +5V supply 1
10Fuel pump relay control
12Pedal ground 2
14Pedal +5V supply 2
SPEEDUINO-A-33 Ignition 3
GND
SPEEDUINO-A-7 Ignition 1
SPEEDUINO-A-34 Ignition 2
SPEEDUINO-A-8 Ignition 4
OEM-X60005
Stock ECU being replaced
4Ignition coil 3
5Ignition ground
6Ignition coil 1
7Ignition coil 2
8Ignition coil 4
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
SPEEDUINO-PWR-12V Main power (+12 V switched)
Relay coil positive (ignition-switched +12V)
SP-GND · 7 pins
SPEEDUINO
SPEEDUINO-A
SPEEDUINO
1Injector 1
2Injector 2
3Injector 3
5Injector 4
7Ignition 1
8Ignition 4
9Ground
10Ground
12Ground
135V
14Proto area 1 (flex fuel)
15Proto area 2 (fan)
16Proto area 3 (fuel pump)
18Proto area 5 (clutch)
19Coolant temp (CLT)
20Inlet air temp (IAT)
21O2 sensor
22TPS input
23Ground
24Cam input / VR2+
25Crank input / VR1+
26VR2-
33Ignition 3
34Ignition 2
35Boost
36Idle 2 (3-wire idle)
37PWM idle
38VVT
Injector cylinder 5 · 2 pins
Injector cylinder 6 · 2 pins
OEM-X60003-26 Injector cylinder 3
OEM-X60003-7 Injector cylinder 4
OEM-X60005-6 Ignition coil 1
OEM-X60005-8 Ignition coil 4
GND
GND
0V sensor
5V ref
OEM-X60003-50 Oil level switch
OEM-X60002-23 Main relay control
OEM-X60001-1 Injector relay control
OEM-X60003-16 Oil pressure switch
OEM-X60003-28 Engine coolant temperature (ECT)
OEM-X60003-27 Intake air temperature (IAT)
OEM-X60002-14 O2 sensor signal, rear 2 (post-cat)
OEM-X60003-32 Throttle position sensor 1
0V sensor
OEM-X60003-30 Exhaust camshaft position
OEM-X60003-3 Crankshaft position
OEM-X60003-29 Intake camshaft position
OEM-X60005-4 Ignition coil 3
OEM-X60005-7 Ignition coil 2
OEM-X60002-1 O2 sensor heater, front 1 (pre-cat)
OEM-X60004-10 Fuel pump relay control
OEM-X60002-12 O2 sensor heater, rear 2 (post-cat)
OEM-X60002-2 O2 sensor heater, front 2 (pre-cat)
SPEEDUINO-PWR
SPEEDUINO
12VMain power (+12 V switched)
Main power (+12 V switched)
◯New feed: NEW-BATT
◯New feed: NEW-KEYON
SP-14V · 5 pins
SP-GND · 9 pins
SP-0V · 11 pins
SP-5V1 · 4 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.
53 / 53 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 | |
|---|---|---|---|---|---|---|---|---|---|
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — | |||||||||
| — |