Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: U2154-87 Can Comm Err (miu)

Nissan Rogue (T33) 2021-Present Service Manual / Body Interior :: Automatic Drive Positioner / Dtc/circuit Diagnosis :: U2154-87 Can Comm Err (miu)

DTC Description

CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-Nissan Ariya vehicle multiplex communication line with high data communication speed and excellent error detection ability. Modern Nissan Ariya vehicle is equipped with many electronic control unit, 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-High line, CAN-Low line) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only.

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content) 		DTC detection condition
U2154-87

CAN comm err (MIU)

[Controller area network communication error (Multimedia interface unit)] 		Diagnosis condition When ignition switch is ON
Signal (terminal) CAN communication signal
Threshold When driver seat control unit cannot communicate CAN communication signal
Diagnosis delay time 2 seconds or more

POSSIBLE CAUSE

CAN communication system

FAIL-SAFE

—

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON and wait for 2 seconds or more.

  2. Check “Self diagnosis result” mode of “DRIVER SEAT”.

Is DTC detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO-1>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO-2>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

CHECK CAN COMMUNICATION SYSTEM

Perform trouble diagnosis for CAN communication system. Refer to Trouble Diagnosis Flow Chart.

>>

Inspection End.

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