Nissan Murano: System / Diag on Can
System Description
SYSTEM DIAGRAM

| Name | Harness | Description |
| DDL1 |
Tx
Rx |
For communications with the diagnostic tool. (CAN-H and CAN-L are used for controlling) |
| DDL2 |
K-LINE |
For communications with the diagnostic tool. (CAN-H and CAN-L are used for controlling) |
| Diag on CAN |
CAN-H
CAN-L |
For communications with the diagnostic tool. (CAN-H and CAN-L are also used for control and diagnoses.) |
DESCRIPTION
“Diag on CAN” is a diagnosis method which uses the CAN communication line for the communication between the control unit and the diagnostic tool.
System Description
CAN (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...
Component Description
Component Description
Main line
CAN communication line between splices
Branch line
CAN communication line between splice and a control unit
Splice
A point connecting a branch line with a main line
Termination circuit
Circuit connected across the CAN communication system...
Other information:
Values on the Diagnosis Tool
NOTE:
The following table includes information (items) inapplicable to this Nissan Murano vehicle: For information (items) applicable to this vehicle, refer to CONSULT display items.
Monitor item Data monitor
Condition Display value
BATTERY VOLT
Engine running
Battery voltage (V)
STEERING ANGLE
The steering wheel is not steered...
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
B1305–04
Control unit internal error
(Audio unit internal fault)
[—]
Diagnosis condition
When ignition switch is ON.
Signal (terminal)
–
Threshold
Internal fault
Diagnosis delay time
30 seconds or more
POSSIBLE CAUSEAudio unit internal faultFAIL-SAFEAudio unit internal error
DTC Confirmation Procedure
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
Ignition switch ON...