Nissan Murano: Dtc/circuit Diagnosis / U1a03 Sim Card
DTC Description
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen terms
(Trouble diagnosis content) | DTC detection condition |
| U1A03 |
SIM CARD
(SIM card) |
Diagnosis condition |
When ignition switch is ON. |
| Signal (terminal) |
— |
| Threshold |
— |
| Diagnosis delay time |
1 second or more |
POSSIBLE CAUSE
TCU
FAIL-SAFE
DTC Confirmation Procedure
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
-
Ignition switch ON.
-
Erase DTC.
-
Select “Self Diagnostic Result” mode of “TELEMATICS”.
-
Check DTC.
Is DTC U1A03 detected?
YES>>
Proceed to DTC Diagnosis Procedure.
NO>>
To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>
Confirmation after repair: Inspection End.
Diagnosis Procedure
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
CONSULT
-
Ignition switch ON.
-
Erase DTC.
-
Select “Self Diagnostic Result” mode of “TELEMATICS”.
-
Check DTC.
Is DTC U1A03 detected?
YES>>
Replace TCU. Refer to Removal and Installation.
NO>>
Inspection End.
DTC Description
DESCRIPTIONCAN (Controller Area Network) is a serial communication line for real-time application. 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 terms
(Trouble diagnosis content) DTC detection condition
U1A04
VIN UNFINISHED
(VIN unfinished)
Diagnosis condition
When ignition switch is ON...
Other information:
Inspection
FLUID LEAKAGE
Check transaxle surrounding area (oil seal and plug etc.) for fluid leakage.
If transaxle appears to have oil seepage or a leak, follow the steps below to assist in a correct diagnosis.
Thoroughly clean off the area of the suspected leak...
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen items
(Trouble diagnosis content) DTC detection condition
C1A34–64
COMMAND ERROR
(Command error)
Diagnosis condition
When MAIN switch of ICC system is ON
When driving the Nissan Murano vehicle
Signal (terminal)
CAN communication signal
Threshold
If an error occurs in the command signal that ADAS control unit transmits to ECM via CAN communication
Diagnosis delay time
1 second or less
POSSIBLE CAUSEADAS control unitFAIL-SAFEThe following systems are canceled:
Vehicle-to-vehicle distance control mode
Conventional (fixed speed) cruise control mode
Automatic Emergency Braking (AEB)
Automatic Emergency Braking (AEB) with pedestrian detection
Intelligent Forward Collision Warning (I-FCW)
Confirmation Procedure
CHECK DTC PRIORITY
If DTC “C1A34–64” is displayed with DTC “U1000–01”, first diagnose the DTC “U1000–01”...
Categories

The autolight system allows the headlights
to turn on and off automatically. The autolight
system can:
Turn on the headlights, front parking,
tail, license plate and instrument panel
lights automatically when it is dark.
Turn off all the lights (except daylight
running lights) when it is light.
Keep all the lights on for a period of time
after you place the ignition switch in the
OFF position and all doors are closed.
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