Installation

A0 installation and OBD2 pinout.

The Macchina A0 was designed with a convenient under-the-dash form factor that plugs directly into the OBD2 port of any modern car.

Plug it in under your dash. That's it.

A0 plugs directly into the OBD2 port of the modern car. Any car built after 1996 has an OBD2 port near the steering wheel, under the dash.

REPLACE WITH A0 IMAGE

A0 OBD2 connector pinout

The OBD2 connector is a 16 pin connector that provides power and a data connection. The image below shows the pin orientation of this 16 pin connector.

M2 shown, but same connector as A0

This following table describes the functionality of each pin. Please note that A0 only supports a single channel of CAN (CAN0), the rest of the pins are provided for general reference.

A0 OBD2 pins

Pin

Schematic name

function

1

Not connected

-

2

Not connected

-

3

Not connected

-

4

CHASSIS

CHASSIS GND

5

GND

Digital GND

6

HSC_BUS+

CAN0 HIGH

7

Not connected

-

8

Not connected

-

9

Not connected

-

10

Not connected

-

11

Not connected

-

12

Not connected

-

13

Not connected

-

14

HSC_BUS-

CAN0 LOW

15

Not connected

-

16

VIN

+12V INPUT