Its control NISSAN TEANA 2014 Service Manual

DAS
THE SYSTEM OPERATES EVEN WHEN USING TURN SIGNAL
DAS-139
< SYMPTOM DIAGNOSIS > [LDW]
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THE SYSTEM OPERATES EVEN WH EN USING TURN SIGNAL
DescriptionINFOID:0000000009464789
The warning of Lane Departure Warning (LDW) is activated during the use of a turn signal.
NOTE:
For the operational conditions of Lane Departure Warning (LDW), refer to DAS-77, "System Description"
.
Diagnosis ProcedureINFOID:0000000009464790
1.CHECK TURN SIGNAL OPERATION
Check that both right and left turn signals are operational.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace malfunctioning parts. Refer to DAS-137, "Symptom Table"
.
2.CHECK SELF-DIAGNOSIS RESULTS
1. Perform “All DTC Reading” with CONSULT.
2. Check if the DTC is detected in self-diagnosis results of “AVM” Refer to DAS-89, "DTC Index"
.
Is any DTC detected?
YES >> Perform diagnosis on the detected DTC and re pair or replace the malfunctioning parts.
NO >> Replace ITS control unit. Refer to DAS-68, "Removal and Installation"
.
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DAS-140
< SYMPTOM DIAGNOSIS >[LDW]
LDW SYSTEM SETTINGS CANNOT BE T
URNED ON/OFF IN VEHICLE INFOR-
MATION DISPLAY
LDW SYSTEM SETTINGS CANNOT BE TURNED ON/OFF IN VEHICLE IN-
FORMATION DISPLAY
DescriptionINFOID:0000000009464791
• LDW system setting is not selectable on the navigation screen.
• NOTE:
When the ignition switch is in ACC posit ion, LDW system setting cannot be changed.
- “Lane Departure Warning” is not indicated on the navigation screen.
- The switching between ON and OFF cannot be per formed by operating the navigation system.
- The item of “Lane Departure Warning” on the navigation screen is not active.
• After turning ON the ignition switch or starting t he engine, LDW setting of the navigation system cannot be
selected for several tens of sec onds under the following conditions:
- After replacing AV control unit.
- After erasing connection histor y of the navigation system.
- After erasing self-diagnosis results of AV control unit.
• The LDW or LDP system setting differs from the one set at the previous driving.
NOTE:
Turn OFF the ignition switch and wait for 5 seconds or more.
Diagnosis ProcedureINFOID:0000000009464792
1.CHECK LDW SYSTEM SETTING
1. Start the engine.
2. Check that the LDW system settings is selectable on the navigation screen.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.PERFORM THE SELF-DIAGNOSIS
1. Perform “All DTC Reading” with CONSULT.
2. Check if the DTC is detected in self-diagnosis re sults of “AVM”, “MULTI AV” and “METER/M&A”. Refer to
the following.
-AVM: DAS-89, "DTC Index"
- MULTI AV (with BOSE): AV-328, "DTC Index"
- MULTI AV (without BOSE): AV-231, "DTC Index"
- METER/M&A: MWI-27, "DTC Index"
Is any DTC detected?
YES >> Repair or replace malfunctioning parts.
NO >> Inspection End.
3.CHECK DATA MONITOR OF ITS CONTROL UNIT
Check that “LDW SELECT” operates normally in “DATA MONITOR” of “AVM” with CONSULT.
Is the inspection result normal?
YES >> Refer to DAS-83, "CONSULT Function (AVM)".
NO >> GO TO 4.
4.CHECK MULTIFUNCTION SWITCH
Operate the multifunction switch to check that the audio, navigation system, and air conditioner operate prop-
erly.
Is the inspection result normal?
YES >> Replace the ITS control unit. Refer to DAS-68, "Removal and Installation".
NO >> Repair or replace malfunctioning parts.
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DAS
NORMAL OPERATING CONDITIONDAS-141
< SYMPTOM DIAGNOSIS > [LDW]
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NORMAL OPERATING CONDITION
DescriptionINFOID:0000000009464793
PRECAUTIONS FOR LANE DEPARTURE WARNING (LDW)
• LDW system is only a warning devic e to inform the driver of a potential unintended lane departure. It will not
steer the vehicle or prevent loss of c ontrol. It is the driver’s responsibility to stay alert, drive safely, keep the
vehicle in the traveling lane, and be in control of the vehicle at all times.
• LDW system will not operate at s peeds below approximately 70 km/h (45 MPH) or if it cannot detect lane
markers.
• Excessive noise will interfere with the warning chime sound, and the chime may not be heard.
• LDW system may not function proper ly under the following conditions:
- On roads where there are multiple parallel lane marker s; lane markers that are faded or not painted clearly;
yellow painted lane markers; non-standard lane markers; or lane markers covered with water, dirt or snow,
etc.
- On roads where the discontinued lane markers are still detectable.
- On roads where there are sharp curves.
- On roads where there are sharply contrasting objects, such as shadows, snow, water, wheel ruts, seams or
lines remaining after road repairs. (The LDW syst em could detect these items as lane markers.)
- On roads where the traveling lane merges or separates.
- When the vehicle's traveling direction does not align with the lane marker.
- When traveling close to other vehicle in front of the vehicle, which obstructs the lane camera unit detection
range.
- When rain, snow or dirt adheres to the windshield in front of the lane camera unit.
- When a sudden change in brightness occurs. (For exampl e, when the vehicle enters or exits a tunnel or
under a bridge.)
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DAS-150
< SYSTEM DESCRIPTION >[BSW]
COMPONENT PARTS
Component Description
INFOID:0000000009464806
1. Combination meter 2. Vehicle information display 3. BCM (view with combination meter re- moved)
4. Blind spot warning indicator RH 5. Blind spot warning indicator LH 6. TCM
7. ECM 8. Warning systems switch 9. Warning systems ON indicator
10. Rear view camera washer control unit 11. Rear view camera air pump motor 12. Rear view camera
13. AV control unit (center display) (with navi- gation system and bose audio system)
Audio unit (center display) (with display
audio system and bose audio system) 14. ITS control unit
(view with center console removed) 15. Steering angle sensor
(view with steeri ng wheel removed)
16. Washer fluid level switch (view with front fascia removed)
Component Description
ITS control unit • Being connected with rear view camera via ITS communication, receives vehicle detection signal
and transmits Blind Spot Warning indicator signal and Blind Spot Warning indicator dimmer sig-
nal to the rear view camera
• Being connected with lane camera unit via ITS communication, receives detected lane condition
signal
• Receives steering angle sensor signal from steering angle sensor via CAN communication
• Judges a Blind Spot Warning indicator ON/OFF state and an approach state to the lane marker,
based on each signal.
• Activates the warning buzzer and warning systems ON indicator
• Transmits Blind Spot Warning ON indicator signal to combination meter via CAN communication
Blind Spot Warning indicator LH/
RH Receives Blind Spot Warning indicator operation signal from rear view camera and turns OFF, turns
ON or blinks
Warning systems switch Inputs the switch signal to ITS control unit
Warning systems ON indicator
(On the warning systems switch) Indicates BSW system status
Rear view camera • Detects the lane marker by the built-in camera
• Transmits detected lane condition signal to ITS control unit
ABS actuator and electric unit
(control unit) • Transmits vehicle speed signal to ITS control unit via CAN communication
• Transmits yaw rate signal/side G sensor signal to ITS control unit via CAN communication
Buzzer (combination meter) Receives buzzer signal from ITS control unit and sounds buzzer.
Combination meter • Turns the Blind Spot Warning indicator ON/OFF according to the signals from the ITS control unit
via CAN communication
• Receives Blind Spot Warning ON indicator signal via CAN communication.
Steering angle sensor Transmits steering angle sensor signal to ITS control unit via CAN communication
BCM • Transmits turn signal indicator to ITS control unit via CAN communication
• Transmits dimmer signal to ITS control unit via CAN communication
ECM Transmits engine speed signal to ITS control unit via CAN communication
TCM Transmits the output shaft speed signal, input speed signal, current gear position signal and shift
position signal to ITS control unit via CAN communication
AV c o n t r o l u n i t
(with navigation system and bose
audio system) Receives the various systems and camera signals via CAN communication and routes them to the
center display
Audio unit
(with display audio system and
bose audio system) Receives the various systems and camera signals and routes them to the center display
Center display Displays the various system screen signals according to the priority level received via CAN com-
munication
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DAS
COMPONENT PARTSDAS-151
< SYSTEM DESCRIPTION > [BSW]
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Rear view camera washer control
unit Controls the air pump to drive air to the rear camera lens according to the signals received from
the ITS control unit
Rear view camera air pump motor Drives air to the rear camera lens according to the signals received from the pump control unit Component Description
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

DAS-152
< SYSTEM DESCRIPTION >[BSW]
SYSTEM
SYSTEM
System DescriptionINFOID:0000000009464807
SYSTEM DIAGRAM
CONTROL UNIT INPUT/OUTPUT SIGNAL ITEM
Control unit receives signals via CAN communication. It al
so detects vehicle conditions that are necessary for
BSW control.
Input Signal Item
Output Signal Item
AWOIA0038GB
Transmit unit Signal name Description
ECM CAN Communication Engine status signal Receive engine status
BCM CAN communication Door open status signal Receive door open status
Light status signal Receive light status
ABS actuator
and electric unit
(control unit) CAN communication Wheel speed signal Receive wheel speed
TCM CAN communication Shift selector position signal Receive shift selector position
Combination
meter CAN communication Moving Object Detection ON/
OFF signal Receive the ON/OFF status for Moving Object Detection
function
Rear view cam-
era NTSC Video signal
Receive Rear View Camera
image from camera for Mov-
ing Object Detection function in ITS controller
Reception unit Signal name Description
Combination
meter CAN communication Buzzer request Transmits a buzzer request signal when the moving
object is detected
Display CAN communication Visual signal request Transmits a visual signal request from ITS Controller
to display Rear View while the shift selector is in R (re-
verse)
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DAS
SYSTEM
DAS-153
< SYSTEM DESCRIPTION >[BSW]
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FUNCTION DESCRIPTION
• The BSW system can help alert the driver of ot her vehicles in adjacent lanes when changing lanes.
• The BSW system uses rear view camera near the rear bumper to detect vehicles in an adjacent lane.
• The rear view camera can detect vehicles on either si de of vehicle within the detection zone shown as illus-
trated.
• This detection zone starts from the back of the v ehicle and extends approximately 3.0 m (10 ft) behind the
rear bumper, and approximately 13.0 m (10 ft) sideways.
• The BSW system operates above approximately 32 km/h (20 MPH).
• If the rear view camera detects vehicles in the detec tion zone, the Blind Spot Warning indicator illuminates.
• If the driver then activates the turn signal, a buzzer will sound twice and the Blind Spot Warning indicator will blink.
NOTE:
A buzzer sounds if the rear view camera has already detected vehicles when the driver activates the turn
signal. If a vehicle comes into the detection zone after t he driver activates the turn signal, then only the Blind
Spot Warning indicator blinks and no buzzer sounds.
BSW SYSTEM OPERATION DESCRIPTION
• Control unit enables BSW system.
• The control unit turns on the BSW system w hen the warning systems switch is turned ON.
• Rear view camera detects a vehicle in the adjacent l ane, and transmits the vehicle detection signal to control
unit.
• Control unit starts the control as follows, based on a vehicle detection signal, turn signal and dimmer signal transmitted from BCM via CAN communication:
- Blind Spot Warning indicator signal and Blind Spot Warning indicator dimmer signal transmission to rear view camera.
- Buzzer signal transmission to warning buzzer.
• Rear view camera transmits an indicator operation signal to the Blind Spot Warning indicator according to
Blind Spot Warning indicator signal and Blind Spot Warning indicator dimmer signal.
Operation Condition of BSW System
JSOIA0257GB
JSOIA0258GB
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DAS-154
< SYSTEM DESCRIPTION >[BSW]
SYSTEM
control unit performs the control when the following conditions are satisfied:
• When the warning systems switch is turned ON
*.
• When the vehicle drives at 32 km/h (20 MPH) or more in the forward direction.
NOTE:
*: When the BSW system setting on the v ehicle information display screen is ON.
• After the operating conditions of warning are satisf ied, the warning continues until the vehicle speed is
reduced below approximately 29 km/h (18 MPH)
• The BSW system may not function properly, depending on the situation.
BULB CHECK ACTION AND FAIL-SAFE INDICATION
*: Blinking cycle when there is a rear view camera blockage condition or lane camera unit high tempera-
ture condition
NOTE:
Time shown in the figure is approximate.
Fail-safe (ITS Control Unit)INFOID:0000000009464808
If a malfunction occurs in each system, ITS control uni t cancels each control, and turns ON the warning lamp
or indicator lamp.
Vehicle condition/Driver ′s operation Blind Spot Warning/
Blind Spot Intervention indicator Warning systems
ON indicator Indication on the combination meter
When DTC is detected OFF ON OFF
→ Orange
Temporary disabled status OFF ON BSW light (white) will blink
When rear view camera needs cleaning OFF ON Unavailable: Clean Rear Camera
When the warning systems switch is
pressed
(When the settings of LDW system and
BSW system on the vehicle information
screen are “OFF”) OFF Blink —
ALOIA0172GB
JSOIA0358GB
System Warning lamp/Indicator lamp Description
Blind Spot Warning (BSW) Blind Spot Warning lamp Cancel
Lane Departure Warning (LDW) Lane Departure Warning indicator Cancel
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

DAS-158
< SYSTEM DESCRIPTION >[BSW]
DIAGNOSIS SYSTEM (ITS CONTROL UNIT)
DIAGNOSIS SYSTEM (ITS CONTROL UNIT)
CONSULT Function (AVM)INFOID:0000000009951646
CAUTION:
After disconnecting the CONSULT vehicle interface (VI) from the data link connector, the ignition must
be cycled OFF → ON (for at least 5 seconds) → OFF. If this step is not performed, the BCM may not go
to ”sleep mode”, potentially causing a di scharged battery and no-start condition.
APPLICATION ITEMS
CONSULT performs the following functions via CAN communication using ITS control unit.
SELF DIAGNOSTIC RESULT
Refer to DAS-164, "DTC Index".
DATA MONITOR
Diagnosis mode Description
Self Diagnostic Result Displays the name of a malfunctioning system stored in the ITS control unit
Data Monitor Displays ITS control unit input/output data in real time
Work support Displays causes of automatic system cancellation occurred during system control
Active Test Enables an operational check of a load by transmitting a driving signal from the ITS control unit to
the load
ECU identification Displays ITS control unit part number
Configuration The vehicle specification can be written when replacing the ITS control unit
Monitored item [Unit] Description
ST ANGLE SENSOR SIGNAL
[On/Off] Indicates [On/Off] status as judged from ITS control unit (Angle sensor transmits angle signal
through CAN communication)
REVERSE SIGNAL
[On/Off] Indicates [On/Off] status as judged from ITS control unit (TCM transmits reverse signal
through CAN communication)
VEHICLE SPEED SIGNAL
[On/Off] Indicates vehicle speed
calculated from ITS control unit through CAN communication [ABS ac-
tuator and electric unit (control unit) transmits vehicle speed signal (wheel speed) through
CAN communication]
CAMERA SWITCH SIGNAL
[On/Off] Indicates [On/Off] status of camera switch signal as judged from ITS control unit
CAMERA OFF SIGNAL
[On/Off] Indicates [On/Off] status of camera OFF signal as judged from ITS control unit
ST ANGLE SENSOR TYPE
[Absolute/Not] Indicates whether steering angle sensor type is absolute or not (ON means “controlling”)
STEERING GEAR RATIO TYPE
[Type 0/1] Indicates the type of the steering gear ratio (type 1 or 2)
STEERING POSITION
[LHD/RHD] Indicates the steering position (LHD or RHD)
REAR CAMERA IMAGE SIGNAL
[OK/Not] Indicates the status of the rear camera image as read from ITS control unit through dedicated
ITS communication lines
WASH SW
[ON/OFF] Indicates the state of the wash switch indicator output
R-CAMERA COMM STATUS
[OK/Not] Indicates the status of the rear camera communication status as read from ITS control unit
through dedicated ITS communication lines
R-CAMERA COMM LINE
[OK/Not] Indicates the condition of the rear camera communication line whether transmitting properly
through dedicated ITS communication lines
PUMP COMM STATUS
[OK/NG] Indicates the state of the communication signal from pump control unit
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DAS
DIAGNOSIS SYSTEM (ITS CONTROL UNIT)DAS-159
< SYSTEM DESCRIPTION > [BSW]
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WORK SUPPORT
ACTIVE TEST
CAUTION:
• Never perform “Active Test” while driving the vehicle.
• The “Active Test” cannot be performed when th e following systems warning indicators are illumi-
nated:
- Lane Departure Warning indicator
- Blind Spot Warning indicator
• Place the shift selector to P (park) position, and then perform the test.
BSW ON INDICATOR
ILL
[On/Off] Indicates [On/Off] status of the illumination signal
ITS SW 1
[On/Off] Indicates the state of the warning system switch as seen by the ITS control unit
ITS SW 1 IND
[On/Off] Indicates the state of the warning system switch indicator output
TURN SIGNAL
[Left/N/Right] Indicates [Left/N/Right] status of the turn signal output
ITS SW 2
[ON/OFF/No setting] Indicates the state of the warning system secondary switch as seen by the ITS control unit
ITS SW 2 IND
[ON/OFF/No setting] Indicates the state of the warning system secondary switch indicator output
Monitored item
[Unit] Description
Work support items Description
PREDICTIVE COURSE LINE
DISPLAY Setting whether predictive guide line displays or not
INITIALIZE CAMERA IMAGE
CALIBRATION Start the initialization process of the rear camera
STEERING ANGLE SENSOR
ADJUSTMENT Execute register neutral point of steering angle sensor
CALIBRATING CAMERA IM-
AGE (REAR CAMERA) Displays the various values of the rear camera during the calibration process
REAR WIDE-VIEW FIXED
GUIDE LINE CORRECTION Adjustment the position of fixed guide line on rear wide view
REAR CAMERA ITS Displays and sets camera image calibration values
CAUSE OF LDW CANCEL Displays the information about reason of LDW cancellation
CAUSE OF BSW CANCEL Displays the information about reason of BSW cancellation
Te s t i t e m D e s c r i p t i o n
WASH ACTIVE ON
Activates the washer to clean the lens of rear camera
OFF
LED LH INDICATOR ON
Flashes the left side LED light for ITS system
OFF
LED RH INDICATOR ON
Flashes the right side LED light for ITS system
OFF
AIR ACTIVE ON
Activates the air pump to clean the lens of rear camera
OFF
AIR & WASH ACTIVE ON
Activates the air pump and washer to clean the lens of rear camera
OFF
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM