Nissan Murano: Dtc/circuit Diagnosis / U1a04 Vin Unfinished
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. |
| Signal (terminal) |
— |
| Threshold |
Nissan Murano Vehicle identification number is not written |
| Diagnosis delay time |
1 second or more |
POSSIBLE CAUSE
FAIL-SAFE
Telematics system does not function
DTC Confirmation Procedure
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
-
Ignition switch ON.
-
Erase DTC.
-
Select “Self Diagnostic Result” mode of “TELEMATICS”.
-
Check DTC.
Is DTC U1A04 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 WRITING VIN DATA TO TCU
Perform writing VIN data to TCU. Refer to Description.
Was the writing of VIN data completed?
YES>>
GO TO 2.
NO>>
Replace TCU. Refer to Removal and Installation.
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
Perform DTC confirmation procedure again. Refer to DTC Description.
Is DTC U1A04 detected again?
YES>>
Replace TCU. Refer to Removal and Installation.
NO>>
Inspection End.
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...
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
U1A05
USB COMM
(USB comm)
Diagnosis condition
When ignition switch is ON...
Other information:
System Description
SYSTEM DIAGRAMINPUT SIGNAL AND OUTPUT SIGNALIt transmits/receives each signal from the following AWD control unit via CAN communication line: Component parts Function
ABS actuator and electric unit (control unit)
Transmits the following signals via CAN communication to AWD control unit:
Nissan Murano Vehicle speed signal
Stop lamp switch signal (brake signal)
Yaw rate sensor signal
Side G sensor signal
Decel G sensor signal
ECM
Transmits the following signals via CAN communication to AWD control unit:
Accelerator pedal position signal
Engine speed signal
TCM
Transmits the following signals via CAN communication to AWD control unit:
Input shaft revolutional signal
CVT ratio signal
Combination meter
Transmits conditions of parking brake switch signal via CAN communication to AWD control unit...
Exploded View
1.
Seat belt height adjuster bolt cover
2.
Seat belt height adjuster (RH)
3.
Seat belt retractor (RH)
4.
Seat belt buckle (RH)
5.
Seat belt buckle (LH)
6.
Seat belt retractor (LH)
7.
Seat belt height adjuster (LH)
8...