Nissan Murano: Door & Lock :: Dtc/circuit Diagnosis / U1010 Control Unit(can)

Nissan Murano (Z52) 2015-2024 Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Door & Lock :: Dtc/circuit Diagnosis / U1010 Control Unit(can)

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen items (Trouble diagnosis content)	DTC detecting condition
U1010–49	CONTROL UNIT(CAN) [Control unit (CAN)]	Diagnosis condition	All times
		Signal (terminal)	–
		Threshold	Automatic back door control module detected internal CAN communication circuit malfunction
		Diagnosis delay time	2 seconds or more

POSSIBLE CAUSE

Automatic back door control module

FAIL-SAFE

Inhibit automatic back door system all function

DTC Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

Ignition switch OFF.
Ignition switch ON and wait for 2 seconds or more.
Select “Self Diagnostic Result” mode of “AUTO BACK DOOR”.

Is DTC “U1010-49” displayed?

YES>>

Refer to DTC Diagnosis Procedure.

NO>>

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

NO>>

Confirmation after repair: Inspection End.

Diagnosis Procedure

REPLACE AUTOMATIC BACK DOOR CONTROL MODULE

When DTC “U1010-49” is detected, replace automatic back door control module.

Replace automatic back door control module. Refer to Removal and Installation.

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...

B2401 Ign Open

DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detecting condition B2401–86 IGN OPEN (Ignition open) Diagnosis condition All times Signal (terminal) Ignition switch ON signal (CAN communication) Threshold When all of the following conditions are satisfied CAN communication is normal Automatic back door control module receives wake up signal via CAN communication with BCM Automatic back door control module cannot detect ignition switch ON signal via CAN communication with IPDM E/R Diagnosis delay time – B2401–87 IGN OPEN (Ignition open) Diagnosis condition All times Signal (terminal) CAN communication Threshold When automatic back door control module can not communicate CAN communication signal Diagnosis delay time 2 seconds POSSIBLE CAUSE CAN communication system BCM IPDM E/R Automatic back door control module FAIL-SAFEInhibit automatic back door system auto open/close function DTC Confirmation Procedure PERFORM DTC CONFIRMATION PROCEDURE CONSULT Ignition switch ON...

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