Nissan Juke Service and Repair Manual : U1000 can comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-board multiplex communication line with high data communication speed and excellent error detection ability. A modern vehicle is equipped with many ECUs, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, 2 control units are connected with 2 communication lines (CAN-L-line and CAN-H-line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
Refer to LAN-31, "CAN COMMUNICATION SYSTEM : CAN Communication Signal Chart" for details of the communication signal.
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.PERFORM SELF-DIAGNOSIS
1. Turn the ignition switch ON and hold it for 2 seconds or more.
2. Using CONSULT-III, check the ”self diagnosis result“ of ”MULTI DISPLAY“.
Is CAN communication system displayed? YES >> Refer to LAN-17, "Trouble Diagnosis Flow Chart".
NO >> Refer to GI-42, "Intermittent Incident".
U1010 control unit (can)
Description
Initial diagnosis of multi display unit
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.REPLACE THE MULTI DISPLAY UNIT
If DTC U1010 is detected, replace the multi display unit. ...
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