Nissan Murano: Dtc/circuit Diagnosis / U1000 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 independently). In CAN communication, control units are connected with two communication lines (CAN-High, CAN-Low), allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Signal Chart. Refer to CAN Communication Signal Chart.
DTC DETECTION LOGIC
| DTC No. |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | |
|---|---|---|---|
| U1000 |
CAN COMM CIRCUIT (CAN COMM CIRCUIT) |
Diagnosis condition | When ignition switch is ON |
| Signal (terminal) | — | ||
| Threshold | — | ||
| Diagnosis delay time | — | ||
POSSIBLE CAUSE
CAN communication system
FAIL-SAFE
The following functions are stopped
-
When communication of steering angle sensor signal is not normal:
-
Predicted course line is not displayed.
-
MOD (Moving Object Detection) function is stopped.
-
-
When communication of Nissan Murano vehicle signal, wheel speed sensor signal, and shift signal is not normal:
-
Predicted course line is not displayed.
-
MOD (Moving Object Detection) function is stopped.
-
-
When communication of sonar control unit is not normal:
-
Sonar indicator displayed in red.
-
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
-
Ignition switch ON.
-
Select “Self Diagnostic Result” mode of “AVM”.
-
Check DTC.
Is DTC U1000 detected?
YES>>Proceed to DTC Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Intermittent Incident.
NO>>Confirmation after repair: Inspection End.
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
-
Ignition switch ON.
-
Erase DTC.
-
Select “Self Diagnostic Result” mode of “AVM”.
-
Check DTC.
Is DTC U1000 detected?
YES>>Refer to Trouble Diagnosis Flow Chart.
NO>>Refer to Intermittent Incident.
U0428 Steering Angle Sensor
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
U0428
ST ANGLE SENSOR CALIBRATION
(Steering angle sensor calibration)
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
—
Diagnosis delay time
—
POSSIBLE CAUSE
Neutral position adjustment of steering angle sensor is not complete
Steering angle sensor
FAIL-SAFE
Predicted course line is not displayed
MOD (Moving Object Detection) function is stopped
DTC Confirmation Procedure
CHECK DTC PRIORITY
If DTC U0428 is displayed with DTC U1232, first perform the diagnosis for DTC U1232...
U1010 Control Unit(can)
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
U1010
CONTROL UNIT(CAN)
[Control unit(CAN)]
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
—
Diagnosis delay time
—
POSSIBLE CAUSEAround view monitor control unitFAIL-SAFE—
DTC Confirmation Procedure
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
Ignition switch ON...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: Differential Assembly
Exploded View Stud bolt Connector bracket Reamer bolt Electric controlled coupling assembly Wave spring Drive pinion oil seal Drive pinion lock nut Pinion front bearing Gear carrier Collapsible spacer Drive pinion adjusting shim Pinion rear bearing Drive pinion Drive gear Differential case Side bearing Side bearing adjusting shim Side oil seal Rear cover Stud bolt Gasket Drain plug Filler plug Pinion mate thrust washer Pinion mate gear Side gear thrust washer Side gear Pinion mate shaft Lock pin Oil seal lip Screw hole : N·m (kg-m, in-lb) : N·m (kg-m, ft-lb) : Always replace after every disassembly...
Nissan Murano (Z52) 2015-2024 Service Manual: P2100 Throttle Control Motor Relay
DTC Description DTC DETECTION LOGIC ECM detects that the voltage of power source for throttle control motor is excessively low. ECM detects that the throttle control motor relay is stuck ON. DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition P2100 ETC MOT PWR-B1 (Throttle actuator “A” control motor circuit/open) Diagnosis condition Start engine and let it idle Signal (terminal) Throttle control motor circuit Threshold ECM detects that the voltage of power source for throttle control motor is excessively low Diagnosis delay time — P2103 ETC MOT PWR-B1 (Throttle actuator “A” control motor circuit high) Diagnosis condition Ignition switch ON Signal (terminal) Throttle control motor circuit Threshold ECM detects that the throttle control motor relay is stuck ON Diagnosis delay time — POSSIBLE CAUSEDTC P2100 Harness or connectors (Throttle control motor relay circuit is open) Throttle control motor relay DTC P2103 Harness or connectors (Throttle control motor relay circuit is shorted) Throttle control motor relay FAIL-SAFE Engine operating condition in fail-safe mode Fail safe mode Nissan Murano Vehicle behavior Throttle control motor relay ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx...
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Luggage hooks
When securing items using luggage hooks located on the back of the seat or side finisher do not apply a load over more than 6.5 lbs. (29 N) to a single hook.
The luggage hooks that are located on the floor should have loads less than 110 lbs. (490 N) to a single hook.
