Nissan Murano: 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.
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...
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...
Other information:
Diagnosis Procedure
All doors do not lock/unlock using Intelligent Key button.NOTE:
Before starting diagnosis check that vehicle condition is as shown in “Conditions of Nissan Murano vehicle”, and check each symptom.
SYMPTOM TABLE (BOTH INTELLIGENT KEYS HAVE THE SAME SYMPTOMS) Door lock operation (remote keyless entry) Door lock operation (request switch) or back door open operation (opener switch of back door panel) Engine started with ignition switch operation (registered Intelligent Key is within the detection area of inside key antenna) Engine started with ignition switch operation (registered Intelligent Key placed next to ignition switch)
NG
OK
OK
OK
CONDITIONS OF VEHICLE (OPERATING CONDITIONS)Registered Intelligent Key is within the detection area of remote keyless entry receiver...
Component Function Check
CHECK VDC OFF INDICATOR LAMP FUNCTION (1)
Check that VDC OFF indicator lamp in combination meter turns ON for 1 second after ignition switch ON.
CAUTION:
Never start the engine.
Is the inspection result normal?
YES>>
GO TO 2...