WARNING: This page is about a different car, the 2016 Ford Transit Connect. However, it is still accessible from the selected car via links, so may be relevant.

Multiplexing is a method of sending 2 or more signals simultaneously over a single circuit. Multiplexing allows 2 or more electronic modules (nodes) to communicate over a twisted wire pair [data (+) and data (-)] network. The information or messages that can be communicated on these wires consists of commands, status or data. The advantage of using multiplexing is to reduce the weight of the vehicle by reducing the number of redundant components and electrical wiring.

NOTE: The Infotainment Controller Area Network (I-CAN) is connected to the DLC, but the Infotainment Controller Area Network (I-CAN) modules communicate with the diagnostic scan tool over the Medium Speed Controller Area Network (MS-CAN). The IPC is used as a gateway module for the messages to transfer between the diagnostic scan tool and the modules on the Infotainment Controller Area Network (I-CAN).

The vehicle has 3 module communication networks connected to the DLC, located under the instrument panel. The communication networks are:

High Speed Controller Area Network (HS-CAN)
Medium Speed Controller Area Network (MS-CAN)
Infotainment Controller Area Network (I-CAN)

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Communications Network - Overview: Overview

Use the Manual With the Right Hardware

When to See a Mechanic