Can Communication Control Circuit

WARNING: This page is about a different car, the 2008 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: CAN Communication Control Circuit Diagram

Courtesy of NISSAN MOTOR CO., U.S.A.

COMPONENTS DESCRIPTION

Component

System description

CAN controller

It controls CAN communication signal transmission and reception, error detection, etc.

Transceiver IC

It converts digital signal into CAN communication signal, and CAN communication signal into digital signal.

Noise filter

It eliminates noise of CAN communication signal.

Termination circuit⁽¹⁾
(Resistance of approx. 120 Ω)

It produces potential difference.

⁽¹⁾	These are the only control units wired with both ends of CAN communication system.