Nissan Murano: Dtc/circuit Diagnosis / U0300 Can Communication Data
DTC DETECTION LOGIC
When the ignition switch is ON, the data length transmitted from each control unit is shorter than the specified length and the status continues for 2 seconds or more.
| DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | |
| U0300 |
CAN COMM DATA (Internal Control Module Software Incompatibility) |
Diagnosis condition | When the ignition switch is ON |
| Signal | CAN communication data | ||
| Threshold | The data length transmitted from each control unit is shorter than the specified length and the status | ||
| Diagnosis delay time | Continues for 2 seconds or more | ||
POSSIBLE CAUSE
Control unit other than TCM
FAIL-SAFE
-
Selector shock is large
-
Start is slow
-
Acceleration is slow
-
Lock-up is not performed
PREPARATION BEFORE WORK
If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.
>>
GO TO 2.
CHECK DTC DETECTION
With CONSULT
-
Start the engine and wait for 5 seconds or more.
-
Check the DTC.
Is “U0300” detected?
YES>>Go to Diagnosis Procedure.
NO-1>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO-2>>Confirmation after repair: INSPECTION END
CONTROL UNIT CHECK
Check the number of control units replaced before “U0300” is detected.
Is one control unit replaced?
YES>>The specification of the control unit replaced may be incorrect. Check the part number and the specification.
NO>>GO TO 2.
CONTROL UNIT CHECK
With CONSULT
-
Remove one of the control unit replaced.
-
Assemble the old control unit before replacement.
-
Turn ignition switch ON, and wait for 2 seconds or more.
-
Select “Self Diagnostic Results” in “TRANSMISSION”.
Is “U0300”detected?
YES>>Turn OFF the ignition switch and check other control units in the same manner.
NO>>The specification of the control unit removed may be incorrect. Check the part number and the specification.
U0122 Lost Communication (vdc)
DTC Description
DTC DETECTION LOGIC DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
U0122
LOST COMM (BRAKE C/U)
(Lost Communication With Nissan Murano Vehicle Dynamics Control Module)
Diagnosis condition
When the ignition switch is ON
Signal
CAN communication signal
Threshold
TCM is unable to receive the CAN communications signal from ABS actuator and electric unit (control unit)
Diagnosis delay time
Continuously for 2 seconds or more
POSSIBLE CAUSE
ABS actuator and electric unit (control unit)
Harness or connector (CAN communication line is open or shorted)
FAIL-SAFENot changed from normal drivingDTC CONFIRMATION PROCEDURECHECK DTC PRIORITY
WhenDTC U0122 is displayed together with DTC U0300, diagnose first the DTC U0300...
U1000 Can Comm Circuit
DTC 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 malfunction detection ability...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: B2602 Shift Position
DTC Description DTC DETECTION LOGICNOTE: If DTC B2602 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to DTC Description. If DTC B2602 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010...
Nissan Murano (Z52) 2015-2024 Service Manual: U1232 Steering Angle Sensor
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...
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LATCH (Lower Anchors and Tethers for CHildren) system
LATCH system lower anchor locations - bench seat
Your vehicle is equipped with special anchor points that are used with LATCH system compatible child restraints. This system may also be referred to as the ISOFIX or ISOFIX compatible system. With this system, you do not have to use a vehicle seat belt to secure the child restraint unless the combined weight of the child and child restraint exceeds 65 lbs. (29.5 kg). If the combined weight of the child and child restraint is greater than 65 lbs. (29.5 kg), use the vehicle’s seat belt (not the lower anchors) to install the child restraint. Be sure to follow the child restraint manufacturer’s instructions for installation.
