light INFINITI QX56 2011 Factory Manual PDF

DAS-210
< SYMPTOM DIAGNOSIS >[DCA]
NORMAL OPERATING CONDITION
NORMAL OPERATING CONDITION
DescriptionINFOID:0000000006223665
PRECAUTIONS FOR DISTANCE CONTROL ASSIST (DCA) SYSTEM
 If the vehicle ahead comes to a stop, the vehicle deceler
ates to a standstill within the limitations of the sys-
tem. The system will cancel once it judges that the vehi cle has come to a standstill with a warning chime. To
prevent the vehicle from moving, t he driver must depress the brake pedal.
 The DCA system will not apply brake control while the driver is depressing the accelerator pedal.
 This system is only an aid to assist the driver and is not a collision warning or avoidance device. It is the
driver's responsibility to stay alert, drive safe ly and be in control of the vehicle at all times.
 This system will not adapt automatically to road condi tions. Do not use the system on roads with sharp
curves, or on icy roads, in heavy rain or in fog.
 The distance sensor will not detect under most conditions.
- Stationary and slow moving vehicles
- Pedestrians or objects in the roadway
- Oncoming vehicles in the same lane
- Motorcycles traveling offset in the travel lane
 As there is a performance limit to the distance contro l function, never rely solely on the DCA system. This
system does not correct careless, inat tentive or absent-minded driving, or overcome poor visibility in rain,
fog, or other bad weather. Decelerate the vehi cle speed by depressing the brake pedal, depending on the
distance to the vehicle ahead and the surrounding circumstances in order to maintain a safe distance
between vehicles.
 The system may not detect the vehicle in front of own v ehicle in certain road or weather conditions. To avoid
accidents, never use the DCA system under the following conditions.
- On roads with sharp curves
- On slippery road surfaces such as on ice or snow, etc.
- On off-road surfaces such as on sand or rock, etc.
- During bad weather (rain, fog, snow, etc.)
- When strong light (for example, at sunrise or sunset) is directly shining on the front of the vehicle
- When rain, snow or dirt adhere to the system sensor
- On steep downhill roads (frequent braking may result in overheating the brakes)
- On repeated uphill and downhill roads
- When towing a trailer or other vehicle
 In some road or traffic conditions, a vehicle or objec t can unexpectedly come into the sensor detection zone
and cause automatic braking. Driver may need to control the distance from other vehicles using the acceler-
ator pedal. Always stay alert and avoid using the DCA system when it is not recommended in this section.
 The following are some conditions in which the sensor cannot detect the signals.
- When the reflector of the vehicle ahead is positioned high on the vehicle (trailer, etc.)
- When the reflector on the vehicle ahead is missing, damaged or covered
- When the reflector of the vehicle ahead is covered with dirt, snow and road spray
- When the snow or road spray from traveling vehicles reduces the sensor's visibility
- When dense exhaust or other smoke (black smoke) fr om vehicles reduces the sensor's visibility
- When excessively heavy baggage is loaded in the rear seat or the luggage room of own vehicle
 The DCA system is designed to autom atically check the sensor's operation. When the sensor is covered
with dirt or is obstructed, the system will automatically be canceled. If the sensor is covered with ice, a trans-
parent or translucent vinyl bag, etc., the DCA syste m may not detect them. In these instances, the DCA sys-
tem may not be able to decelerate the vehicle properly. Be sure to check and clean the sensor regularly.
 The DCA system is designed to help assist the driver to maintain a following distance from the vehicle
ahead. The system will decelerate as necessary and if the vehicle ahead comes to a stop, the vehicle decel-
erates to standstill. However, the DCA system can only apply up to 25% of the vehicles total braking power.
If a vehicle moves into the traveling lane ahead or if a vehicle traveling ahead rapidly decelerates, the dis-
tance between vehicles may become closer because t he DCA system cannot decelerate the vehicle quickly
enough. If this occurs, the DCA system will sound a warn ing chime and blink the system display to notify the
driver to take necessary action.
 The DCA system does not control vehicle speed or warn when driver approach stationary and slow moving
vehicles. Driver must pay attention to vehicle operat ion to maintain proper distance from vehicles ahead.
Revision: 2010 May2011 QX56

DAS-216
< SYSTEM DESCRIPTION >[FCW]
COMPONENT PARTS
SYSTEM DESCRIPTION
COMPONENT PARTS
Component Parts LocationINFOID:0000000006223671
Component DescriptionINFOID:0000000006223672
1. Information display, IBA OFF indica-
tor lamp, buzzer
(On the combination meter) 2. ABS actuator and electric unit (con-
trol unit)
Refer to BRC-10, "
Component Parts
Location"
3. ICC sensor
Refer to CCS-9, "
Component Parts
Location"
4. Warning systems switch 5. Warning systems ON indicator 6. ADAS control unit
Refer to DAS-13, "
Component Parts
Location"
A. Instrument lower panel (LH)
JSOIA0366ZZ
Component Description
ADAS control unit  ADAS control unit turns ON warning systems ON indicator
 ADAS control unit transmits a buzzer output signal to combination meter via CAN commu-
nication
ICC sensor  ICC sensor detects light reflected from a vehicle ahead by irradiating laser forward and cal-
culates a distance from the vehicle ahead and a relative speed, based on the detected sig-
nal
 ICC sensor transmits the presence/absence of a vehicle ahead and a distance from the ve- hicle ahead to the ADAS control unit via CAN communication
ABS actuator and electric unit
(control unit) ABS actuator and electric unit (c
ontrol unit) transmits the vehicle speed signal (wheel speed),
to ADAS control unit via CAN communication
Warning systems switch Inputs the warning systems switch signal to ADAS control unit.
Revision: 2010 May2011 QX56

DAS
SYSTEM
DAS-219
< SYSTEM DESCRIPTION >[FCW]
C
D
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F
G H
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K L
M B
N P A
 The FCW system will function when own vehicle is dr iven at speeds of approximately 15 km/h (10 MPH) and
above.
NOTE:
The FCW system shares the di agnosis function with ICC system.
FUNCTION DESCRIPTION
The distance from the vehicle ahead and a relative speed are calculated by using the ICC sensor and an ICC
sensor signal is transmitted to t he ADAS control unit via ITS communi cation. When judging the necessity of
warning according to the received vehicle ahead detection signal, the ADAS control unit transmits a buzzer
output signal and meter display signal to the combination meter via CAN communication.
FCW Operating Condition
 Warning systems ON indicator: ON
 Vehicle speed: Approximately 15 km/h (10 MPH) and above.
Fail-safe Indication
FCW INITIAL STATE CHANGE
CAUTION:
Never change FCW initial state “ON” ⇒ “OFF” without the con sent of the customer.
FCW initial state can be changed.
 FCW initial ON* - FCW function is automatically turned ON, when the ignition switch OFF ⇒ ON.
 FCW initial OFF - FCW function is still OFF when the ignition switch OFF ⇒ ON.
*: Factory setting
How to change FCW/LDW/BSW initial state1. Turn ignition switch ON.
2. Warning systems switch is OFF.
3. Push and hold warning systems switch for more than 4 seconds.
4. Buzzer sounds and blinking of the warning systems ON indicator informs that the FCW/LDW/BSW initial
state change is completed.
Fail-safe (ADAS Control Unit)INFOID:0000000006223674
If a malfunction occurs in each s ystem, ADAS control unit cancels eac h control, sounds a beep, and turns ON
the warning lamp or indicator lamp.
Vehicle condition Indication on the combination meter
 When the FCW system malfunctions
 When the sensor window is dirty
 When driving into a strong light (i.e. sunlight)
NOTE:
Check that the IBA system is not OFF. The indicator lamp is shared
with IBA system.
JPOIA0179ZZ
System Buzzer Warning lamp/Indicator lamp Description
Vehicle-to-vehicle distance control mode High-pitched
toneICC system warning lamp Cancel
Conventional (fixed speed) cruise control mode High-pitched
toneICC system warning lamp Cancel
Intelligent Brake Assist (IBA) High-pitched
tone
IBA OFF indicator lamp Cancel
Forward Collision Warning (FCW) High-pitched
tone
IBA OFF indicator lamp Cancel
Distance Control Assist (DCA) High-pitched
toneICC system warning lamp Cancel
Lane Departure Warning (LDW) — Lane departure warning lamp Cancel
Revision: 2010 May2011 QX56

DAS
OPERATIONDAS-221
< SYSTEM DESCRIPTION > [FCW]
C
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OPERATION
Switch Name and FunctionINFOID:0000000006223676
Menu Displayed by Pressing Each SwitchINFOID:0000000006223677
DISPLAY AND WARNING LAMP
SYSTEM CONTROL CONDITION DISPLAY
JSOIA0277ZZ
No. Switch name Description
1 Warning systems switch Turns FCW/LDW/BSW systems ON/OFF
JSOIA0278ZZ
No. Display item Description 1 Warning systems ON indicator Indicates that FCW/LDW/BSW systems are ON
2 Vehicle ahead detection indicator Vehicle ahead detection indicator blinks when the FCW system is activated
3 IBA OFF indicator lamp IBA OFF indicator lamp turns ON when:
 FCW system has a malfunction
 ICC sensor window is too dirty to detect a vehicle ahead
 Subjected to a strong light (e.g. sunlight)
IBA OFF indicator lamp blinks when 4WD shift switch is set in a position other
than AUTO
NOTE:
Shared with IBA system
Revision: 2010 May2011 QX56

DAS
HANDLING PRECAUTIONDAS-223
< SYSTEM DESCRIPTION > [FCW]
C
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HANDLING PRECAUTION
Precautions for Forward Collision WarningINFOID:0000000006223678
FORWARD COLLISION WARNING (FCW)
 FCW system is intended to warn the driver before a collis ion but will not avoid a collision. It is the drive's
responsibility to stay alert, drive safely and be in control of the vehicle at all times.
 As there is a performance limit, the FCW system ma y not provide a warning in certain conditions.
 The FCW system will not detect the following objects.
- Pedestrians, animals, or obstacles in the roadway.
- Oncoming vehicles in the same lane
 FCW system will not detect under the following conditions.
- When the sensor gets dirty, it is impossibl e to detect the distance from the vehicle ahead.
- When driving into a strong light (i.e. sunlight)
 The sensor generally detects signals returned from t he reflectors on a vehicle ahead. Therefore, the FCW
system may not warn properly under the following conditions:
- When the reflectors of the vehicle ahead are positioned high or close to each other (including a small vehicle such as motorcycles).
- When the sensor gets dirty or it is impossible to detect the distance to the vehicle ahead.
- When the reflectors on the vehicle ahead is missing, damaged or covered.
- When the reflector of the vehicle ahead is covered with dirt, snow or road spray.
- When visibility is low (such as rain, fog, snow, etc.).
- When snow or road spray from traveling vehicles are splashed.
- When dense exhaust or other smoke (black smoke) from vehicles reduces the visibility of the sensor.
- When excessively heavy baggage is loaded in the rear seat or the luggage room of own vehicle.
- When abruptly accelerating or decelerating.
- On steep downhill or roads with sharp curves.
- When there is a highly reflective object near the vehicle ahead.
i.e.) very close to other vehicle, signboard, etc.
- When own vehicle are towing a trailer.
 Depending on certain road conditions (curved, beginning of a curve), vehicle conditions (steering position,
vehicle position), or preceding vehicle's conditions (pos ition in lane, etc.), the FCW system may not function
properly. The FCW system may detect highly reflective obj ects such as reflectors, signs, white markers, and
other stationary objects on the road or near the traveling lane, and provide unnecessary warning.
 The FCW system may not function in offset conditions.
 The FCW system may not function when the dist ance to the vehicle ahead is extremely close.
 The FCW system is designed to automat ically check the sensor's functionality. If the sensor is covered with
ice, a transparent or translucent pl astic bag, etc., the system may not detect them. In these instances the
FCW system may not be able to warn properly. Be sure to check and clean the sensor regularly.
 Excessive noise will interfere with the warning chime sound, and the chime may not be heard.
 A sudden appearance of the vehicle in front (i.e.: w hen a vehicle abruptly cuts in) may not be detected and
the system may not warn soon enough.
 The FCW system will be canceled automatically with a chime sound and the IBA OFF indicator light will illu-
minate under the following conditions:
- When the sensor window is dirty
- When the FCW system malfunctions
Revision: 2010 May2011 QX56

DAS-226
< SYSTEM DESCRIPTION >[FCW]
DIAGNOSIS SYSTEM (ADAS CONTROL UNIT)
NOTE:
 Causes of the maximum five cancella
tions (system cancel) are displayed.
 The displayed cancellation causes display the number of the ignition switch ON/OFF up to 254. It is fixed to
254 if it is over 254. It returns to 0 when the same cancellation cause is detected again.
Display Items for The Cause of Automatic Cancellation 1
Work support items Description
CAUSE OF AUTO-CANCEL 1 Displays causes of automatic system cancellation occurred during control of the following sys-
tems
 Vehicle-to-vehicle distance control mode
 Conventional (fixed speed) cruise control mode
 Distance Control Assist (DCA)
CAUSE OF AUTO-CANCEL 2 Displays causes of automatic system cancellation occurred during control of the Lane Depar-
ture Prevention (LDP) system
Cause of cancellation
Vehicle-to-vehicle distance control mode
Conventional (fixed speed) cruise control mode Distance Control Assist
Description
OPERATING WIPER ×The wiper operates at HI (it includes when the wiper is operated at
HI with the wiper switch AUTO position)
OPERATING ABS ××ABS function was operated
OPERATING TCS ×××TCS function was operated
OPERATING VDC ×××VDC function was operated
ECM CIRCUIT ××ECM did not permit ICC operation
OPE SW VOLT CIRC ×××The ICC steering switch input voltage is not within standard range
LASER SUNBEAM ××Intense light such as sunlight entered ICC sensor light sensing part
LASER TEMP ××Temperature around ICC sensor became low
SNOW MODE SW ××SNOW mode switch was pressed
OP SW DOUBLE
TOUCH ××
ICC steering switches were pressed at the same time
VHCL SPD DOWN ×××Vehicle speed lower than the speed as follows
 Vehicle-to-vehicle distance control mode is 24 km/h (15 MPH)
 Conventional (fixed speed) cruise control mode is 32 km/h (20
MPH)
WHL SPD ELEC NOISE ×××Wheel speed sensor signal caught electromagnetic noise
VDC/TCS OFF SW ××VDC OFF switch was pressed
VHCL SPD UNMATCH ×××Wheel speed became different from A/T vehicle speed
TIRE SLIP ××Wheel slipped
IGN LOW VOLT ×××Decrease in ADAS control unit IGN voltage
PARKING BRAKE ON ××The parking brake is operating
WHEEL SPD UNMATCH ×××The wheel speeds of 4 wheels are out of the specified values
Revision: 2010 May2011 QX56

DAS-270
< SYMPTOM DIAGNOSIS >[FCW]
NORMAL OPERATING CONDITION
NORMAL OPERATING CONDITION
DescriptionINFOID:0000000006223695
PRECAUTIONS FOR FORWARD COLLISION WARNING (FCW)
 FCW system is intended to warn the driver before a col
lision but will not avoid a collision. It is the drive's
responsibility to stay alert, drive safely and be in control of the vehicle at all times.
 As there is a performance limit, the FCW system may not provide a warning in certain conditions.
 The FCW system will not detect the following objects.
- Pedestrians, animals, or obstacles in the roadway.
- Oncoming vehicles in the same lane
 FCW system will not detect under the following conditions.
- When the sensor gets dirty, it is impossibl e to detect the distance from the vehicle ahead.
- When driving into a strong light (i.e. sunlight)
 The sensor generally detects signals returned from t he reflectors on a vehicle ahead. Therefore, the FCW
system may not warn properly under the following conditions:
- When the reflectors of the vehicle ahead are positioned hi gh or close to each other (including a small vehicle
such as motorcycles).
- When the sensor gets dirty or it is impossible to detect the distance to the vehicle ahead.
- When the reflectors on the vehicle ahead is missing, damaged or covered.
- When the reflector of the vehicle ahead is covered with dirt, snow or road spray.
- When visibility is low (such as rain, fog, snow, etc.).
- When snow or road spray from traveling vehicles are splashed.
- When dense exhaust or other smoke (black smoke) from vehicles reduces the visibility of the sensor.
- When excessively heavy baggage is loaded in the rear seat or the trunk room of own vehicle.
- When abruptly accelerating or decelerating.
- On steep downhill or roads with sharp curves.
- When there is a highly reflective object near the vehicle ahead. i.e.) very close to other vehicle, signboard, etc.
- When own vehicle are towing a trailer.
 Depending on certain road conditions (curved, beginning of a curve), vehicle conditions (steering position,
vehicle position), or preceding vehicl e's conditions (position in lane, etc.), the FCW system may not function
properly. The FCW system may detect highly reflective obj ects such as reflectors, signs, white markers, and
other stationary objects on the road or near the traveling lane, and provide unnecessary warning.
 The FCW system may not function in offset conditions.
 The FCW system may not functi on when the distance to the vehicle ahead is extremely close.
 The FCW system is designed to automatically check the s ensor's functionality. If the sensor is covered with
ice, a transparent or translucent plastic bag, etc., the system may not detect them. In these instances the
FCW system may not be able to warn properly. Be sure to check and clean the sensor regularly.
 Excessive noise will interfere with the warning chime sound, and the chime may not be heard.
 A sudden appearance of the vehicle in front (i.e.: w hen a vehicle abruptly cuts in) may not be detected and
the system may not warn soon enough.
 The FCW system will be canceled autom atically with a chime sound and the IBA OFF indicator light will illu-
minate under the following conditions:
- When the sensor window is dirty
- When the FCW system malfunctions
Revision: 2010 May2011 QX56

DAS-280
< SYSTEM DESCRIPTION >[LDW & LDP]
SYSTEM
LANE DEPARTURE WARNING (LDW) SYSTEM : Fail-safe (Lane Camera Unit)
INFOID:0000000006223706
FAIL-SAFE CONTROL BY DTC
If a malfunction occurs in the lane camera unit, ADAS control unit cancels control, and turns ON the lane
departure warning lamp in the combination meter.
TEMPORARY DISABLED STATUS AT HIGH TEMPERATURE
 If the vehicle is parked in direct sunlight under high temperature conditions, the system may be deactivated
automatically. And the lane departure warning lamp (yellow) in the combination meter will blinks.
 When interior temperature is reduced, the system will resume operation automatically and the lane depar-
ture warning lamp (yellow) in the combination meter will stop blinking.
LANE DEPARTURE PREV ENTION (LDP) SYSTEM
LANE DEPARTURE PREVENTION (LDP ) SYSTEM : System DescriptionINFOID:0000000006223707
SYSTEM DIAGRAM
ADAS CONTROL UNIT INPUT/OUTPUT SIGNAL ITEM
Input Signal Item
JSOIA0286GB
Transmit unit Signal name Description
ECM CAN com-
munica-
tionAccelerator pedal position signal Receives accelerator pedal position (angle)
ICC steering switch
signal
Dynamic driver as-
sistance switch sig-
nal Receives the operational state of the ICC steering
switch
Engine speed signal Receives engine speed
Snow mode signal Receives an operational state of the snow mode
Revision: 2010 May2011 QX56

DAS-284
< SYSTEM DESCRIPTION >[LDW & LDP]
SYSTEM
LANE DEPARTURE PREVENTION (LDP) SYST EM : Fail-safe (Lane Camera Unit)
INFOID:0000000006223709
FAIL-SAFE CONTROL BY DTC
If a malfunction occurs in the lane camera unit, ADAS control unit cancels control, sounds a beep, and turns
ON the lane departure warning lamp in the combination meter.
TEMPORARY DISABLED STATUS AT HIGH TEMPERATURE
 If the vehicle is parked in direct sunlight under high temperature conditions, the system may be deactivated
automatically. And the buzzer sounds and lane departure warning lamp (yellow) in the combination meter
will blinks.
 When interior temperature is reduced, the system will resume when dynamic driver assistance switch is
turned OFF and turned ON and the lane departure warning lamp (yellow) in the combination meter will stop
blinking.
Lane Departure Prevention (LDP) Low-pitched
toneLane departure warning lamp Cancel
Blind Spot Warning (BSW) — BSW warning lamp Cancel System Buzzer Warning lamp/Indicator lamp Description
Revision: 2010 May2011 QX56

DAS-288
< SYSTEM DESCRIPTION >[LDW & LDP]
HANDLING PRECAUTION
HANDLING PRECAUTION
Precautions for Lane Departure Wa
rning/Lane Departure PreventionINFOID:0000000006223714
LANE CAMERA UNIT HANDLING
To keep the proper operation of the LDW/LDP systems and prevent a system malfunction, be sure to observe
the following:
 Always keep the windshield clean.
 Do not attach a sticker (including transparent materi al) or install an accessory near the lane camera unit.
 Do not place reflective materials, such as white paper or a mirror, on the instrument panel. The reflection of
sunlight may adversely affect the lane camera unit capability of detecting the lane markers.
 Do not strike or damage the areas around the lane camera unit.
 Do not touch the camera lens.
 Do not remove the screw located on the lane camera unit.
LANE DEPARTURE WARNING (LDW)
 LDW system is only a warning device to inform the dr iver of a potential unintended lane departure. It will not
steer the vehicle or prevent loss of cont rol. 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 speeds below approximat ely 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 c ontrasting 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 wi ndshield 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 uni t. (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.)
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-dev eloped 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 approxim ately 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 off-road such as on sand or rock, 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.
Revision: 2010 May2011 QX56