2011 INFINITI QX56 Factory Service Manual

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Page 1361 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS-396
< SYMPTOM DIAGNOSIS >[LDW & LDP]
LDW & LDP SYSTEM SYMPTOMS
LDP system is not activated.
(LDW system is functioning nor-
mally)Indicator lamp is not turned
ON
⇔ OFF when operating
dynamic

Page 1362 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS
LANE DEPARTURE WARNING LAMP DOES NOT TURNED ONDAS-397
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LANE DEPARTURE WARNING LAMP DOES NOT TURNED ON
DescriptionINFOID:00000000062

Page 1363 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS-398
< SYMPTOM DIAGNOSIS >[LDW & LDP]
LDP ON INDICATOR LAMP
DOES NOT TURNED ON
LDP ON INDICATOR LAMP DOES NOT TURNED ON
DescriptionINFOID:0000000006223836
The LDP ON indicator lamp in the combina

Page 1364 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS
THE SYSTEM OPERATES EVEN WHEN USING TURN SIGNAL
DAS-399
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THE SYSTEM OPERATES EVEN WH EN USING TURN SIGNAL
DescriptionINFOID:00000000

Page 1365 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS-400
< SYMPTOM DIAGNOSIS >[LDW & LDP]
LDP SYSTEM SETTINGS CANNOT BE TURNED ON/OFF ON THE NAVIGATION
SCREEN
LDP SYSTEM SETTINGS CANNOT BE TU RNED ON/OFF ON THE NAVI-
GATION SCREEN
DescriptionINFOI

DAS-400
< SYMPTOM DIAGNOSIS >[LDW & LDP]
LDP SYSTEM SETTINGS CANNOT BE TURNED ON/OFF ON THE NAVIGATION
SCREEN
LDP SYSTEM SETTINGS CANNOT BE TU RNED ON/OFF ON THE NAVI-
GATION SCREEN
DescriptionINFOID:0000000006223840
LDP system setting is not selectable on the navigation screen. NOTE:
When the ignition switch is in ACC posit ion, LDP system settings cannot be changed.
- “Lane Departure Prevention” 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 Prevention” on the navigation screen is not active.
After turning ON the ignition switch or starting the engine, LDP settings 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.
The 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:0000000006223841
1.CHECK LDP SYSTEM SETTING
1. Start the engine.
2. Check that the LDP 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-III.
2. Check if the DTC is detected in self-diagnosis results of “ICC/ADAS”, “MULTI AV” and “METER/M&A”.
Refer to the following.
- ICC/ADAS: DAS-310, "
DTC Index"
- MULTI AV: AV-57, "DTC Index"
- METER/M&A: MWI-43, "DTC Index"
Is any DTC detected?
YES >> Repair or replace malfunctioning parts.
NO >> INSPECTION END
3.CHECK DATA MONITOR OF ADAS CONTROL UNIT
Check that “LDP SELECT” operates normally in “D ATA MONITOR” of “ICC/ADAS” with CONSULT-III.
Is the inspection result normal?
YES >> Refer to AV-28, "On Board Diagnosis Function".
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 ADAS control unit. Refer to DAS-63, "Removal and Installation".
NO >> Repair or replace malfunctioning parts.
Revision: 2010 May2011 QX56

Page 1366 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS
NORMAL OPERATING CONDITIONDAS-401
< SYMPTOM DIAGNOSIS > [LDW & LDP]
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NORMAL OPERATING CONDITION
DescriptionINFOID:0000000006223842
PRECAUTIONS FOR LANE DEPARTURE WARN

DAS
NORMAL OPERATING CONDITIONDAS-401
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NORMAL OPERATING CONDITION
DescriptionINFOID:0000000006223842
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 properly 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 the headlights are not bright due to dirt on the lens or if the aiming is not adjusted properly.
- When strong light enters the lane camera unit. (For example, the light directly shines on the front of the vehi-
cle at sunrise or sunset.)
- When a sudden change in brightness occurs. (For exampl e, when the vehicle enters or exits a tunnel or
under a bridge.)
PRECAUTIONS FOR LANE DEPARTURE PREVENTION (LDP)
LDP system will not steer the vehicle or prevent loss of control. It is the driver’s responsibility to stay alert,
drive safely, keep the vehicle in the traveling lane, and be in control of vehicle at all times.
LDP system is primarily intended for use on well-devel oped freeways or highways. It may not detect the lane
markers in certain roads, weather or driving conditions.
Using the LDP system under some conditions of road, lane marker or weather, or when driver change lanes
without using the turn signal could lead to an unexpect ed system operation. In such conditions, driver needs
to correct the vehicle's direction with dr iver's steering operation to avoid accidents.
When the LDP system is operating, avoid excessive or sudden steering maneuvers. Otherwise, driver could
lose control of the vehicle.
The LDP system will not operate at speeds below approximat ely 70 km/h (45 MPH) or if it cannot detect lane
markers.
The LDP system may not function properly under the following conditions, and do not use the LDP system:
- During bad weather (rain, fog, snow, wind, etc.).
- When driving on slippery roads, such as on ice or snow, etc.
- When driving on winding or uneven roads.
- When there is a lane closure due to road repairs.
- When driving in a makeshift lane.
- When driving on roads where the lane width is too narrow.
- When driving with a tire that is not within normal tire c onditions (for example, tire wear, low tire pressure,
installation of spare tire, tire chains, non-standard wheels).
- When the vehicle is equipped with non-origi nal brake parts or suspension parts.
Excessive noise will interfere with the warning chime sound, and the chime may not be heard.
The functions of the LDP system (warning and brake control assist) may or may not operate properly 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 discontinued lane markers are still detectable.
- On roads where there are sharp curves.
Revision: 2010 May2011 QX56

Page 1367 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS-402
< SYMPTOM DIAGNOSIS >[LDW & LDP]
NORMAL OPERATING CONDITION
- On roads where there are sharply c
ontrasting objects, such as shadows, snow, water, wheel ruts, seams or
lines remaining after r

Page 1368 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS
LANE CAMERA UNITDAS-403
< REMOVAL AND INSTALLATION > [LDW & LDP]
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REMOVAL AND INSTALLATION
LANE CAMERA UNIT
Removal and InstallationINFOID:0000000006223843
REMOVAL
1.

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