Nissan Murano: Door & Lock :: Dtc/circuit Diagnosis / U1000 Can Comm Circuit

DTC 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

POSSIBLE CAUSE

CAN communication system

FAIL-SAFE

Inhibit automatic back door system all function

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

1. Ignition switch OFF.

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

3. Select “Self Diagnostic Result” mode of “AUTO BACK DOOR”.

Is DTC “U1000-01” displayed?

Refer to DTC Diagnosis Procedure.

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

Confirmation after repair: Inspection End.

PERFORM SELF DIAGNOSTIC

CONSULT

1. Ignition switch OFF.

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

3. Select “Self Diagnostic Result” mode of “AUTO BACK DOOR”.

Is DTC “U1000-01” displayed?

Refer to Trouble Diagnosis Flow Chart.

Refer to Intermittent Incident.