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
GND
0V sensor
SPEEDUINO-A-38 VVT
SPEEDUINO-A-36 Idle 2 (3-wire idle)
SPEEDUINO-A-2 Injector 2
SPEEDUINO-A-1 Injector 1
SPEEDUINO-A-5 Injector 4
SPEEDUINO-A-3 Injector 3
SPEEDUINO-A-2 Injector 2
SPEEDUINO-A-1 Injector 1
SPEEDUINO-A-18 Proto area 5 (clutch)
SPEEDUINO-A-26 VR2-
SPEEDUINO-A-24 Cam input / VR2+
SPEEDUINO-A-25 Crank input / VR1+
SPEEDUINO-A-37 PWM idle
SPEEDUINO-A-35 Boost
5V ref
SPEEDUINO-A-22 TPS input
SPEEDUINO-A-19 Coolant temp (CLT)
SPEEDUINO-A-21 O2 sensor
SPEEDUINO-A-7 Ignition 1
SPEEDUINO-A-11 MAP sensor (0-5V)
0V sensor
GND
GND
GND
OEM-E9
Stock ECU being replaced
4Power ground (E11)
7Distributor ground (G-)
9A/T shift solenoid 2 (S2)
10A/T shift solenoid 1 (S1)
15Injector 6 (#60, rear)
16Injector 5 (#50)
17Injector 4 (#40)
18Injector 3 (#30)
19Injector 2 (#20)
20Injector 1 (#10, front)
23No.2 speed sensor (SP2+)
25Cam position 2 (G2)
26Cam position 1 (G1)
27Crank position (NE)
34ISC stepper coil 2 (ISC2)
35ISC stepper coil 1 (ISC1)
41Sensor supply +5V (VCC)
43Throttle position (VTA1)
44Coolant temperature (THW)
47O2 sensor 2 (OX2, rear bank)
57Igniter trigger (IGT)
62Manifold pressure (PIM)
65Sensor ground (E2)
69Power ground (E1)
79Power ground (E02)
80Power ground (E01)
SPEEDUINO-A-14 Proto area 1 (flex fuel)
SPEEDUINO-A-16 Proto area 3 (fuel pump)
SPEEDUINO-A-15 Proto area 2 (fan)
SPEEDUINO-A-20 Inlet air temp (IAT)
OEM-E10
Stock ECU being replaced
2No.1 speed sensor (SP1)
23A/C clutch relay (ACMG)
24EFI main relay control (M-REL)
29Cat temperature sensor (CCO)
SPEEDUINO
SPEEDUINO-A
SPEEDUINO
1Injector 1
2Injector 2
3Injector 3
5Injector 4
7Ignition 1
9Ground
10Ground
11MAP sensor (0-5V)
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-
35Boost
36Idle 2 (3-wire idle)
37PWM idle
38VVT
Injector 1 · 2 pins
Injector 6 (#60, rear) · 2 pins
OEM-E9-18 Injector 3 (#30)
OEM-E9-17 Injector 4 (#40)
OEM-E9-57 Igniter trigger (IGT)
GND
GND
OEM-E9-62 Manifold pressure (PIM)
0V sensor
5V ref
OEM-E10-2 No.1 speed sensor (SP1)
OEM-E10-24 EFI main relay control (M-REL)
OEM-E10-23 A/C clutch relay (ACMG)
OEM-E9-23 No.2 speed sensor (SP2+)
OEM-E9-44 Coolant temperature (THW)
OEM-E10-29 Cat temperature sensor (CCO)
OEM-E9-47 O2 sensor 2 (OX2, rear bank)
OEM-E9-43 Throttle position (VTA1)
0V sensor
OEM-E9-26 Cam position 1 (G1)
OEM-E9-27 Crank position (NE)
OEM-E9-25 Cam position 2 (G2)
OEM-E9-35 ISC stepper coil 1 (ISC1)
OEM-E9-10 A/T shift solenoid 1 (S1)
OEM-E9-34 ISC stepper coil 2 (ISC2)
OEM-E9-9 A/T shift solenoid 2 (S2)
SP-0V · 5 pins
SP-GND · 7 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.
34 / 34 connections
Columns ▾
Lengths need a layout. Add bundles in Layout.
Not set yet: signal, colour, stripe, ident.
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