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Home >> Infiniti >> 2017 >> QX80 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 170 (Driver Assistance System (ADAS Control Unit) (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC U1000: Can Communication Circuit No Signal Transmitted Or Received >> Description >> Can Communication

Can Communication

WARNING: This page is about a different car, the 2016 Infiniti QX80. However, it is still accessible from the selected car via links, so may be relevant.

CAN (Controller Area Network) is a serial communication line for real time applications. It is an on - vehicle multiplex communication line with high data communication speed and excellent error detection ability. Modern vehicle is equipped with many electronic control units, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN-H, CAN-L) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads the required data only.

CAN communication signal chart. Refer to CAN COMMUNICATION SIGNAL CHART .

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