Nissan Murano: Dtc/circuit Diagnosis / U0101 Can Comm Circuit
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. Many electronic control units are equipped onto a Nissan Murano vehicle, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only.
DTC DETECTION LOGIC
When ECM is not transmitting or receiving CAN communication signal of OBD (emission-related diagnosis) with TCM for 2 seconds or more.
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | |
| U0101 |
LOST COMM (TCM) (Lost Communication with TCM) |
Diagnosis condition | Ignition switch ON |
| Signal (terminal) | CAN communication signal | ||
| Threshold | ECM is not transmitting or receiving CAN communication signal of OBD (emission-related diagnosis) with TCM. | ||
| Diagnosis delay time | 2 seconds or more | ||
POSSIBLE CAUSE
-
CAN communication line between TCM and ECM
-
CAN communication line open or shorted
FAIL-SAFE
| Engine operating condition in fail-safe mode | ||
|---|---|---|
| Fail safe mode | Nissan Murano Vehicle behavior | |
| CAN communication line | ECM operates active grille shutter to fully-open position. | |
PERFORM DTC CONFIRMATION PROCEDURE
-
Turn ignition switch ON and wait at least 3 seconds.
-
Check DTC.
Is DTC detected?
YES>>Proceed to Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>Confirmation after repair: INSPECTION END
Perform the trouble diagnosis for CAN communication system. Refer to Trouble Diagnosis Flow .
C053c Wheel Speed Sensor
DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
C053C
Wheel speed sensor
(Wheel speed sensor generic range/performance)
Diagnosis condition
Engine running
Signal
Nissan Murano Vehicle speed signal
Threshold
Wheel sensor signal is invalid...
U0284 Active Grille Shutter
DTC Description
DTC DETECTION LOGICWhen ECM cannot receive the engine communication signal from active grille shutter. DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
U0284
LOST COMM (A/GRLL SHTTR MDL A)
(Lost communication with active grille air shutter module A)
Diagnosis condition
Ignition switch ON
Signal (terminal)
Engine communication signal
Threshold
ECM cannot receive the engine communication signal from active grille shutter
Diagnosis delay time
—
POSSIBLE CAUSE
Harness and connectors (Engine communication line is open or circuit shorted...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: Automatic Back Door Control Module
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. CONSULT MONITOR ITEM Monitor Item Condition Value/Status SPINDLE SENSOR LH Back door: Moving 0 – 65535 SPINDLE LH SPEED Back door: Moving 0 – 6553...
Nissan Murano (Z52) 2015-2024 Owners Manual: Battery saver system
The battery saver system automatically turns off the following lights after a period of time when the ignition switch is placed in the OFF position and the doors are closed: Headlights, when the headlight switch is in the or position Interior lights, when left in the ON position After the headlights automatically turn off with the headlight switch in the or position, the headlights will illuminate again if the headlight switch is moved to the OFF position and then turned to the or position...
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Driver and passenger supplemental knee air bag
Driver’s side
The knee air bag is located in the knee bolster, on the driver’s and passenger’s side. All of the information, cautions and warnings in this manual apply and must be followed. The knee air bag is designed to inflate in higher severity frontal collisions, although it may inflate if the forces in another type of collision are similar to those of a higher severity frontal impact. It may not inflate in certain collisions.
Passenger’s side
