Nissan Murano: Dtc/circuit Diagnosis / U1300 Av Communication Circuit
DTC Description
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen terms
(Trouble diagnosis content) | DTC detection condition |
| U1300–01 |
AV communication circuit
(AV communication circuit) |
Diagnosis condition |
When ignition switch is ON. |
| Signal (terminal) |
— |
| Threshold |
— |
| Diagnosis delay time |
— |
POSSIBLE CAUSE
-
AV communication circuit
-
Audio unit
-
Combination meter
FAIL-SAFE
AV communication is inoperative
Confirmation Procedure
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
-
Ignition switch ON.
-
Ignition switch OFF and wait at least 30 seconds.
-
Ignition switch ON and wait at least 30 seconds or more.
-
Select “Self Diagnostic Result” mode of “MULTI AV”.
-
Check DTC.
Is DTC U1300 detected?
YES>>
Proceed to DTC Diagnosis Procedure.
NO>>
To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>
Confirmation after repair: Inspection End.
DTC Diagnosis Procedure
CHECK SELF DIAGNOSTIC RESULT
Check if any DTC other than “U1300” is detected in “Self diagnostic result” of “MULTI AV”.
Is any DTC detected?
YES>>
Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to DTC Index.
NO>>
Replace audio unit. Refer to Removal and Installation.
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...
Diagnosis Procedure
CHECK FUSE
Check that the following fuses are not blown:
Terminal No. Signal name Fuse No. Capacity
7
ACC power supply
7
10 A
17
Ignition power supply
29
10 A
19
Battery power supply
15
20 A
Are the fuses blown?
YES>>
Replace the blown fuse after repairing the affected circuit...
Other information:
Values on the Diagnosis Tool
CAUTION:
The display shows the control unit calculation data, so a normal value might be displayed even in the event the output circuit (harness) is open or short-circuited.
Monitor item Display content Data monitor
Condition Reference value in normal operation
FR LH SENSOR
Wheel speed
0 [km/h, mph]
Nissan Murano Vehicle stopped
Nearly matches the speed meter display (± 10% or less)
Nissan Murano Vehicle running
(Note 1)
FR RH SENSOR
Wheel speed
0 [km/h, mph]
Nissan Murano Vehicle stopped
Nearly matches the speed meter display (± 10% or less)
Nissan Murano Vehicle running
(Note 1)
RR LH SENSOR
Wheel speed
0 [km/h, mph]
Nissan Murano Vehicle stopped
Nearly matches the speed meter display (± 10% or less)
Nissan Murano Vehicle running
(Note 1)
RR RH SENSOR
Wheel speed
0 [km/h, mph]
Nissan Murano Vehicle stopped
Nearly matches the speed meter display (± 10% or less)
Nissan Murano Vehicle running
(Note 1)
DECEL G-SEN
Longitudinal acceleration detected by decel G sensor
Nissan Murano Vehicle stopped
Approx...
WARNING
Listed below are the system limitations for the ICC system. Failure to
operate the vehicle in accordance with these system limitations could result in
serious injury or death.
The ICC system is primarily intended for use on straight, dry,
open roads with light traffic...