Nissan X-Trail 32. Manual — part 1918
SN-128
< SYSTEM DESCRIPTION >
[WITH PARK ASSIST]
SYSTEM
SONAR SYSTEM : Circuit Diagram
INFOID:0000000010736633
SONAR SYSTEM : Fail-Safe (Sonar Control Unit)
INFOID:0000000010828198
The sonar control unit controls as follows if it detects a malfunction in the sonar sensor:
• Obstacle detection function is stopped.
• Alarm display is displayed on the information display of combination meter.
• Parking Assist in parallel mode is stopped.
INFORMATION DISPLAY (COMBINATION METER)
INFORMATION DISPLAY (COMBINATION METER) : Parking Sensor Error
INFOID:0000000010792891
DESIGN/PURPOSE
This warning is displayed when an error occurs in the sonar system.
JSNIA7371GB
Symbol
Message
—
Parking Sensor Error: See Owner
′
s Manual.
SN
SYSTEM
SN-129
< SYSTEM DESCRIPTION >
[WITH PARK ASSIST]
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SYNCHRONIZATION WITH MASTER WARNING LAMP
Synchronization is applied. Refer to
MWI-47, "WARNING LAMPS/INDICATOR LAMPS : Master Warning
.
SYSTEM DIAGRAM
NOTE:
*: For DTCs that parking sensor error turns ON, Refer to
SIGNAL PATH
• Sonar control unit transmits parking sensor error signal to the ON/OFF state of the combination meter via
CAN communication when detecting DTC.
• Combination meter turns ON parking sensor error when receiving parking sensor error signal.
NOTE:
*: For DTCs that parking sensor error turns ON, Refer to
WARNING OPERATING CONDITION
When all of the following conditions are satisfied:
• Ignition switch ON
• DTC is detected.
WARNING CANCEL CONDITION
When any of the following conditions is satisfied:
• The ignition switch is in a position other than ON.
• DTC is deleted.
JSNIA5828GB
SN-130
< SYSTEM DESCRIPTION >
[WITH PARK ASSIST]
SYSTEM
TIMING CHART
JSNIA5900GB
SN
DIAGNOSIS SYSTEM (SONAR CONTROL UNIT)
SN-131
< SYSTEM DESCRIPTION >
[WITH PARK ASSIST]
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DIAGNOSIS SYSTEM (SONAR CONTROL UNIT)
CONSULT Function
INFOID:0000000010736636
APPLICATION ITEMS
CONSULT can display each diagnostic item using the diagnostic test modes shown as follows:
ECU IDENTIFICATION
Displays the part number of the sonar control unit.
SELF-DIAGNOSTIC RESULTS
For details, refer to
.
Freeze Frame Data (FFD)
The following vehicle status is recorded when DTC is detected and is displayed on CONSULT.
DATA MONITOR
NOTE:
The following table includes information (items) inapplicable to this vehicle. For information (items) applicable
to this vehicle, refer to CONSULT display items.
Test mode
Function
Ecu Identification
Sonar control unit part number can be read.
Self Diagnostic Results
Sonar control unit checks the conditions and displays memorized error.
Data Monitor
Sonar control unit input/output data in real time.
Active Test
Gives a drive signal to a load to check the operation.
Work support
Changes setting of each function.
Configuration
• Read and save the vehicle specification.
• Write the vehicle specification when replacing sonar control unit.
Item name
Display content
ODO/TRIP
METER
(km)
Total driving distance (odometer value) upon DTC detection is displayed.
IGN counter
(0
∼
39)
Numerical value is displayed indicating the number of times that ignition switch is turned ON after the DTC is
detected.
• When “0”is displayed, it indicates that the system is presently malfunctioning.
• When any numerical number other than “0” is displayed, it indicates that system malfunction in the past is de-
tected, but the system is presently normal.
NOTE:
Each time when ignition switch turns OFF
→
ON, numerical number increases from 1
→
2
→
3...38
→
39. When
number of times exceeds 39, numeric display does not increase and 39 is displayed until self-diagnosis is
erased.
Monitor Item
Display/
UNIT
Description
VEHICLE SPEED
km/h
Value of vehicle speed signal.
SONAR C/U POWER
SUPPLY
V
Value of battery voltage (Ignition signal)
SENSOR VOLTAGE
V
Value of sensor voltage
DETECTION MODE
MODE1/
MODE2
NOTE:
This item is displayed, but cannot be monitored.
SW OPRT AFTER IGN
ON
Yes/No
Temporary/permanent OFF operation by the user after turning ON the ignition switch.
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