Nissan Rogue manuals

Nissan Rogue Service Manual: U1000 CAN COMM circuit

Description

CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excellent error detection ability. Many electronic control units are equipped onto a 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 communicate data but selectively reads required data only

DTC Logic

DTC DETECTION LOGIC

DTC

Display item

Malfunction detected condition

Possible cause

U1000 CAN COMM CIRCUIT EPS control unit is not transmitting/receiving CAN communication signal for 2 seconds or more.
  • CAN communication error
  •  EPS control unit

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.DTC REPRODUCTION PROCEDURE

With CONSULT

  1.  Turn the ignition switch OFF to ON.
  2.  Perform “EPS” self-diagnosis.

Is DTC “U1000” detected? YES >> Proceed to diagnosis procedure. Refer to STC-27, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

Proceed to LAN-17, "Trouble Diagnosis Flow Chart".

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