Nissan Murano: Srs Air Bag Control System :: Dtc/circuit Diagnosis / U1000 Can Comm Circuit

Nissan Murano (Z52) 2015-2024 Service Manual / Restraints / Srs Air Bag Control System :: Dtc/circuit Diagnosis / U1000 Can Comm Circuit

DTC Description

DESCRIPTION

CAN (Controller Area Network) is a serial communication system for real-time application. It is an on-Nissan Murano vehicle multiplex communication system with high data communication speed and excellent error detection ability. Many electronic control units are equipped into Nissan Murano vehicles, and each control unit shares information and links with other control units during operation. With CAN communication, control units are connected with two communication lines (CAN-High line, CAN-Low line), allowing a high rate of information transmission with less wiring. Each control unit transmits and receives data but selectively reads required data only. Refer to CAN Communication Signal Chart.

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content)
DTC detecting condition
U1000-01 CAN COMM CIRCUIT Diagnosis condition When ignition switch is ON.
Signal (terminal)
Threshold
Diagnosis delay time

POSSIBLE CAUSE

CAN communication system

FAIL-SAFE

DTC Confirmation Procedure

PERFORM SELF DIAGNOSTIC RESULT

CONSULT

  1. Ignition switch ON and wait for 7 seconds or more.

  2. Select “Self Diagnostic Result” mode of “AIR BAG”.

  3. Check if any DTC is displayed in the “Self Diagnostic Result”.

Is DTC detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO>>

Refer to Intermittent Incident.

Diagnosis Procedure

CHECK CAN COMMUNICATION SYSTEM

Check CAN communication system. Refer to Trouble Diagnosis Flow Chart.

>>

Inspection End.

    Srs Air Bag Control System :: Dtc/circuit Diagnosis

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