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
U1232
ST ANGLE SEN CALIB
(Steering angle sensor calibration)
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
—
Diagnosis delay time
—
POSSIBLE CAUSE
Neutral position adjustment of the steering angle sensor is incomplete
Steering angle sensor
FAIL-SAFEPredictive course line is not displayed
DTC Confirmation Procedure
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
Ignition switch ON...
Removal and Installation
REMOVALRemove the evaporator assembly from the heating and cooling unit. Refer to Removal and Installation.
Remove the intake sensor (1) from the evaporator (2).
NOTE:
Mark the position of the intake sensor for installation...