Nissan Rogue (T33) 2021-Present Service Manual: Can Fundamental :: Description
Outline
How to Use This Section
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“CAN FUNDAMENTAL” of LAN Section describes the basic knowledge of the CAN communication system and the method of trouble diagnosis.
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For information peculiar to a Nissan Ariya vehicle and inspection procedure, refer to “CAN”.
System (can Communication)
System Description
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-Nissan Ariya vehicle multiplex communication line with high data communication speed and excellent error detection ability. Many electronic control units are equipped onto a Nissan Ariya vehicle, 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 line, CAN-L line) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only.
System (diag on Can)
System Description
SYSTEM DIAGRAM
| Name | Harness | Description |
|---|---|---|
| DDL1 |
Tx Rx |
For communications with the diagnostic tool. (CAN-H and CAN-L are used for controlling) |
| DDL2 | K-LINE | For communications with the diagnostic tool. (CAN-H and CAN-L are used for controlling) |
| Diag on CAN |
CAN-H CAN-L |
For communications with the diagnostic tool. (CAN-H and CAN-L are also used for control and diagnoses.) |
DESCRIPTION
“Diag on CAN” is a diagnosis method which uses the CAN communication line for the communication between the control unit and the diagnostic tool.
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Component Function Check
PERFORM COMPONENT FUNCTION CHECK
With CONSULT
Check “Self Diagnostic Result” of “MULTI AV”.
Is any DTC detected?
YES>>
Perform the trouble diagnosis for the detected DTC. Refer to DTC Index.
NO>>
Proceed to Diagnosis Procedure.
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