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:
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
C1B55-00
RADAR BLOCKAGE
(Radar blockage)
Diagnosis condition
When ignition switch is ON.
Signal (terminal)
–
Threshold
Side radar is blocked
Diagnosis delay time
–
NOTE:
DTC “C1B55-00” may be detected under the following conditions except for possible cause...
Component Function Check
CHECK OPTICAL SENSOR SIGNAL
CONSULT
Ignition switch ON.
Select “OPTI SEN (DTCT)” in “Data Monitor” mode of “BCM(HEAD LAMP)”.
Turn lighting switch AUTO.
With the optical sensor illuminating, check the monitor status...