Nissan Murano: Dtc/circuit Diagnosis / U1000 Can Comm Circuit

Nissan Murano (Z52) 2015-2024 Service Manual / Driver Information & Multimedia / Audio, Visual & Navigation System :: Intelligent Around View Monitor with Display Audio System / Dtc/circuit Diagnosis / U1000 Can Comm Circuit

DTC Description

DESCRIPTION

CAN (Controller Area Network) is a serial communication line for real-time application. It is an on-Nissan Murano vehicle multiplex communication line with high data communication speed and excellent error detection ability. Many electronic control units are equipped onto a Nissan Murano vehicle, and each control unit shares information and links with other control units during operation (not independently). In CAN communication, control units are connected with two communication lines (CAN-High, CAN-Low), allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only.

CAN Communication Signal Chart. Refer to CAN Communication Signal Chart.

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content)
DTC detection condition
U1000

CAN COMM CIRCUIT

(CAN COMM CIRCUIT)
Diagnosis condition When ignition switch is ON
Signal (terminal)
Threshold
Diagnosis delay time

POSSIBLE CAUSE

CAN communication system

FAIL-SAFE

The following functions are stopped

  • When communication of steering angle sensor signal is not normal:

    1. Predicted course line is not displayed.

    2. MOD (Moving Object Detection) function is stopped.

  • When communication of Nissan Murano vehicle signal, wheel speed sensor signal, and shift signal is not normal:

    1. Predicted course line is not displayed.

    2. MOD (Moving Object Detection) function is stopped.

  • When communication of sonar control unit is not normal:

    • Sonar indicator displayed in red.

DTC Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Select “Self Diagnostic Result” mode of “AVM”.

  3. Check DTC.

Is DTC U1000 detected?

YES>>

Proceed to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

Diagnosis Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Erase DTC.

  3. Select “Self Diagnostic Result” mode of “AVM”.

  4. Check DTC.

Is DTC U1000 detected?

YES>>

Refer to Trouble Diagnosis Flow Chart.

NO>>

Refer to Intermittent Incident.

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