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

Nissan Murano (Z52) 2015-2024 Service Manual / Electrical & Power Control / Body Control System :: Bcm / Dtc/circuit Diagnosis / U1000 Can Comm Circuit

DTC Description

Description

CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-Nissan Murano vehicle multiplex communication line with high data communication speed and excellent error detection ability. Modern Nissan Murano 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. 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 communication circuit)
Diagnosis condition When ignition switch ON.
Signal (terminal)
Threshold
Diagnosis delay time 2 seconds or more

POSSIBLE CAUSE

CAN communication system

FAIL-SAFE

DTC Diagnosis Procedure

SELF DIAGNOSTIC RESULT

CONSULT

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

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

  3. Check DTC.

Is DTC detected?

YES>>

Refer to Trouble Diagnosis Flow Chart.

NO>>

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

NO>>

Confirmation after repair: Inspection End.

    Dtc/circuit Diagnosis

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