warning light INFINITI QX56 2011 Factory User Guide
[x] Cancel search | Manufacturer: INFINITI, Model Year: 2011, Model line: QX56, Model: INFINITI QX56 2011Pages: 5598, PDF Size: 94.53 MB
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![INFINITI QX56 2011 Factory User Guide
SYSTEMBRC-29
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side/decel G- sensor and wheel sensor, vehicle drivi ng conditions (conditions of understeer or oversteer) are
judged INFINITI QX56 2011 Factory User Guide
SYSTEMBRC-29
< SYSTEM DESCRIPTION > [WITH VDC]
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side/decel G- sensor and wheel sensor, vehicle drivi ng conditions (conditions of understeer or oversteer) are
judged](/img/42/57033/w960_57033-545.png)
SYSTEMBRC-29
< SYSTEM DESCRIPTION > [WITH VDC]
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side/decel G- sensor and wheel sensor, vehicle drivi ng conditions (conditions of understeer or oversteer) are
judged and vehicle stability is improved by brake forc e control on all 4 wheels and engine output control.
Control unit portion automatically improves driving st ability by performing brake force control as well as
engine output control, by transmitting drive signal to actuator portion according to difference between target
side slip amount and vehicle side slip amount
VDC function can be switched to non-operational status (OFF) by operating VDC OFF switch. In this case,
VDC OFF indicator lamp turns ON.
VDC function is not operate when 4WD mode is “4L”. (Models with 4WD system)
VDC warning lamp blinking while VDC function is in oper ation and indicates to the driver that the function is
in operation.
Slight vibrations are felt on the brake pedal and t he operation noises occur, when VDC function operates.
This is not a malfunction because it is caus ed by VDC function that is normally operated.
CONSULT-III can be used to diagnose the system diagnosis.
Fail-safe function is adopted. When a malfunction occurs in VDC function, the control is suspended for VDC
function, TCS function, hill start as sist function and brake limited slip di fferential (BLSD) function. The vehi-
cle status becomes the same as m odels without VDC function, TCS functi on, hill start assist function and
brake limited slip differential (BLSD) function. Ho wever, ABS function and EBD function are operated nor-
mally. Refer to BRC-25, "
Fail-safe".
NOTE:
VDC has the characteristic as de scribed here, but it is not the device that helps reckless driving.
SYSTEM DIAGRAM
NOTE:
Transfer control unit is applied to models with 4WD system.
INPUT SIGNAL AND OUTPUT SIGNAL
JPFIC0133GB
JPFIC0183GB
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SYSTEMBRC-31
< SYSTEM DESCRIPTION > [WITH VDC]
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During a cornering, brake force (brake fluid pressu re) is applied on front wheel and rear wheel on the inner
side o INFINITI QX56 2011 Factory User Guide
SYSTEMBRC-31
< SYSTEM DESCRIPTION > [WITH VDC]
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During a cornering, brake force (brake fluid pressu re) is applied on front wheel and rear wheel on the inner
side o](/img/42/57033/w960_57033-547.png)
SYSTEMBRC-31
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During a cornering, brake force (brake fluid pressu re) is applied on front wheel and rear wheel on the inner
side of turn. Moment directing towards the inner side of turn is generated. Understeer is prevented.
Applying braking during a cornering on a slippery road, when understeer tendency is judged large, engine
output is controlled as well as brake force (brake fluid pressure) of four wheels. Understeer tendency
decreases.
TCS FUNCTION
TCS FUNCTION : System DescriptionINFOID:0000000006222573
Wheel spin status of drive wheel is detected by wheel sensor of 4
wheels. Engine output and transmission shift status is controlled
so that slip rate of drive wheels is in appropriate level. When wheel
spin occurs on drive wheel, ABS ac tuator and electric unit (control
unit) perform brake force control of LH and RH drive wheels (apply
brake force by increasing brake fluid pressure of drive wheel) and
decrease engine torque by engine torque control. Wheel spin
amount decreases. Engine torque is controlled to appropriate
level.
TCS function can be switched to non-operational status (OFF) by
operating VDC OFF switch. In this case, VDC OFF indicator lamp
turns ON.
TCS function is not operate when 4WD mode is “4L”. (Models with
4WD system)
VDC warning lamp blinking while TCS function is in operation and indicates to the driver that the function is in operation.
Slight vibrations are felt on the brake pedal and the operation noises occur, when TCS function operates. This is not a malfunc-
tion because it is caused by TCS function that is normally oper-
ated.
CONSULT-III can be used to diagnose the system diagnosis.
Fail-safe function is adopted. W hen a malfunction occurs in TCS
function, the control is suspended for VDC function, TCS function,
hill start assist function and brake limited slip differential (BLSD)
function. The vehicle status becomes the same as models without VDC function, TCS function, hill start
assist function and brake limited slip differential (B LSD) function. However, ABS function and EBD function
are operated normally. Refer to BRC-25, "
Fail-safe".
SYSTEM DIAGRAM
NOTE:
JPFIC0137GB
JPFIC0138GB
JPFIC0139GB
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![INFINITI QX56 2011 Factory User Guide
BRC-34
< SYSTEM DESCRIPTION >[WITH VDC]
SYSTEM
Transfer control unit is appli
ed to models with 4WD system.
INPUT SIGNAL AND OUTPUT SIGNAL
Major signal transmission between each unit via communicatio INFINITI QX56 2011 Factory User Guide
BRC-34
< SYSTEM DESCRIPTION >[WITH VDC]
SYSTEM
Transfer control unit is appli
ed to models with 4WD system.
INPUT SIGNAL AND OUTPUT SIGNAL
Major signal transmission between each unit via communicatio](/img/42/57033/w960_57033-550.png)
BRC-34
< SYSTEM DESCRIPTION >[WITH VDC]
SYSTEM
Transfer control unit is appli
ed to models with 4WD system.
INPUT SIGNAL AND OUTPUT SIGNAL
Major signal transmission between each unit via communication lines is shown in the following table.
*1: Communication line between yaw rate/side/decal G s ensor and ABS actuator and electric unit (control unit)
*2: Models with 4WD system
EBD FUNCTION
EBD FUNCTION : System DescriptionINFOID:0000000006222575
By preventing rear wheel slip increase through rear wheel brake force (brake fluid pressure) control that is
electronically controlled when slight skip on front and r ear wheels are detected during braking, stability dur-
ing braking is improved.
JPFIC0184GB
Component Signal description
Yaw rate/side/decel G sensor Mainly transmits the following si
gnals to ABS actuator and electric unit (control unit) via com-
munication line
*1.
Yaw rate signal
Side G sensor signal
Decel G sensor signal
Transfer control unit
*2Mainly transmits the following si gnals to ABS actuator and electric unit (control unit) via CAN
communication.
Current 4WD mode signal
Combination meter Mainly receives
the following signals from ABS actuator and electric unit (control unit) via CAN
communication.
ABS warning lamp signal
Revision: 2010 May2011 QX56
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![INFINITI QX56 2011 Factory User Guide
BRC-38
< SYSTEM DESCRIPTION >[WITH VDC]
SYSTEM
Brake limited slip differential (BLSD) function operates
while VDC function is in non-operational status (OFF)
by VDC OFF switch.
VDC warning lamp INFINITI QX56 2011 Factory User Guide
BRC-38
< SYSTEM DESCRIPTION >[WITH VDC]
SYSTEM
Brake limited slip differential (BLSD) function operates
while VDC function is in non-operational status (OFF)
by VDC OFF switch.
VDC warning lamp](/img/42/57033/w960_57033-554.png)
BRC-38
< SYSTEM DESCRIPTION >[WITH VDC]
SYSTEM
Brake limited slip differential (BLSD) function operates
while VDC function is in non-operational status (OFF)
by VDC OFF switch.
VDC warning lamp blinking while brake limited slip di fferential (BLSD) function is in operation and indicates
to the driver that the function is in operation.
Slight vibrations are felt on the brake pedal and the operation noises occur, when brake limited slip differen-
tial (BLSD) function operates. This is not a malfunction because it is caused by brake limited slip differential
(BLSD) function that is normally operated.
Fail-safe function is adopted. When a malfunction occurs in brake limited slip differential (BLSD) function,
the control is suspended for VDC function, TCS function, hi ll start assist function and brake limited slip differ-
ential (BLSD) function. The vehicle status becomes the same as models without VDC function, TCS func-
tion, hill start assist function and brake limited slip di fferential (BLSD) function. However, ABS function and
EBD function are operated normally. Refer to BRC-25, "
Fail-safe".
SYSTEM DIAGRAM
NOTE:
Transfer control unit is applied to models with 4WD system.
INPUT SIGNAL AND OUTPUT SIGNAL
Major signal transmission between each unit via communication lines is shown in the following table.
JPFIC0183GB
Component Signal description
Yaw rate/side/decel G sensor Mainly transmits the following si
gnals to ABS actuator and electric unit (control unit) via com-
munication line
*1.
Yaw rate signal
Side G sensor signal
Decel G sensor signal
ECM Mainly transmits the following si
gnals to ABS actuator and electric unit (control unit) via CAN
communication.
Accelerator pedal position signal
Engine speed signal
Mainly receives the following signals from ABS actuator and electric unit (control unit) via CAN
communication.
Target throttle position signal
TCM Mainly transmits the following si
gnals to ABS actuator and electric unit (control unit) via CAN
communication.
Shift position signal
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![INFINITI QX56 2011 Factory User Guide
NORMAL OPERATING CONDITIONBRC-133
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NORMAL OPERATING CONDITION
DescriptionINFOID:0000000006222669
Symptom Result
Brake pedal slightly INFINITI QX56 2011 Factory User Guide
NORMAL OPERATING CONDITIONBRC-133
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NORMAL OPERATING CONDITION
DescriptionINFOID:0000000006222669
Symptom Result
Brake pedal slightly](/img/42/57033/w960_57033-649.png)
NORMAL OPERATING CONDITIONBRC-133
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NORMAL OPERATING CONDITION
DescriptionINFOID:0000000006222669
Symptom Result
Brake pedal slightly vibrates and operation sound (motor sound and sound from suspen-
sion) occurs when VDC function, TCS function, ABS function, EBD function, hill start assist
function and brake limited slip differential (BLSD) function operates. This is not a malfunction, The symptom
occurs VDC function
, TCS function, ABS
function, EBD function, hill start assist
function and brake limited slip differential
(BLSD) function that are normally operat-
ed.
Brake stopping distance may become longer than models without ABS function depending
on the road conditions, when
ABS function is operated on slip pery road like rough road,
gravel road or snowy road.
Brake pedal vibrates and operation sound occurs during sudden acceleration and corner-
ing, when VDC function, TCS function, hill start assist function and brake limited slip differ-
ential (BLSD) function is operated.
Brake pedal vibrates and motor sound from the engine room occurs, when the engine starts
or the vehicle starts just after starting the engine This is not a malfunction. The symptom
occurs during the brake fluid accumula-
tion in the accumulator and operational
check of the ABS actuator and electric
unit (control unit).
Acceleration may be felt insufficient depending on the road conditions. This is not a malfunction. The symptom occurs TCS function that puts the highest
priority to obtain the optimum traction
(stability).
TCS may operate momentarily, while driving on a road where friction coefficient varies, or
when downshifting or fully depressing accelerator pedal
ABS warning lamp and VDC warning lamp may turn ON, when the vehicle is on a rotating
turntable or is given a strong shaking or large vibrations on a ship while the engine is run-
ning.
In this case, restart the engine on a nor-
mal road. If the normal condition is re-
stored, there is no malfunction. In that
case, erase self-diagnosis result memory
for “ABS” with CONSULT-III.
VDC warning lamp may turn ON and VDC function, TCS function, hill start assist function
and brake limited slip differential (BLSD) function may not normally operate, when driving
on a special road the is extremely slanted (bank in a circuit course).
A malfunction in yaw rate/side/decel G sensor system may be detected when the vehicle
sharply turns during a spin turn, acceleration turn or drift driving while VDC function and
TCS function are OFF (VDC OFF switch is pressed and VDC OFF indicator lamp is in ON
status).
The vehicle speed does not increase, when the accelerator pedal is depressed while the
vehicle is on a 2-wheel chassis dynamometer for speedometer check.
This is not malfunction. (When checking
the vehicle on a chassis dynamometer,
operate VDC OFF switch so that TCS
function is OFF.)
The VDC warning lamp, ABS warn ing lamp and brake warning lamp turn ON and DTC
“C118E” may be detected in self-diagnosis resu lt of “ABS” when the brake pedal is exces-
sively operated, such as air bleeding. This is not a system malfunction because
this occurs due to the temporary de-
crease in accumulator fluid pressure. The
system returns to no
rmal condition when
the accumulator fluid pressure reaches
the specified pressure with the ignition
switch ON and the VDC warning lamp,
ABS warning lamp, a nd brake warning
lamp turn OFF. After these steps, ABS
self-diagnosis results are erased.
VDC OFF indicator lamp turns ON and TCS function is not operate when 4WD mode is “4L”.
(Models with 4WD system) This is not a malfunction. When the 4WD
mode becomes “4L” state, the TCS func-
tion is disabled. This function is enabled
when the 4WD mode becomes “AUTO”
or “4H”.
Revision: 2010 May2011 QX56
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![INFINITI QX56 2011 Factory User Guide
NORMAL OPERATING CONDITIONBRC-147
< SYMPTOM DIAGNOSIS > [BRAKE ASSIST (WITH PREVIEW FUNCTION)]
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SYMPTOM DIAGNOSIS
NORMAL OPERATING CONDITION
DescriptionINFOID:0000000 INFINITI QX56 2011 Factory User Guide
NORMAL OPERATING CONDITIONBRC-147
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SYMPTOM DIAGNOSIS
NORMAL OPERATING CONDITION
DescriptionINFOID:0000000](/img/42/57033/w960_57033-663.png)
NORMAL OPERATING CONDITIONBRC-147
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SYMPTOM DIAGNOSIS
NORMAL OPERATING CONDITION
DescriptionINFOID:0000000006228295
PRECAUTIONS FOR PREVIEW FUNCTION
This system is only an aid to assist braking operation and is not a collision warning or avoidance device. It is
the driver ′s responsibility to stay alert, drive safely and be in control of the vehicle at all times.
As there is a performance limit to the Preview Function, never rely solely on this system. This system does
not correct careless inattentive or absent-minded driving, or overcome poor visibility in rain, fog, or other bad
weather. Reduce vehicle speed by depressing the brake pedal , in order to maintain a safe distance between
vehicles.
The system may not detect a vehicle ahead, depending on road or weather conditions. While the vehicle still
travels and the Brake Assist Syst em operates under normal conditions, the Preview Function may operate
improperly under the following conditions:
- When rain, snow or dirt adhere to the system sensor
- When strong light (for example, at sunrise or sunset ) is directly shining on the front of the vehicle
- Winding or hilly roads may cause the sensor to tem porarily not detect a vehicle in the same lane or may
detect objects or vehicles in other lanes.
- Vehicle position in the lane may cause the sensor to te mporarily not detect a vehicle in the same lane or may
detect objects or vehicles in other lanes.
The system will not detect:
- Pedestrians or objects in the roadway
- Oncoming vehicles in the same lane
- Motorcycles traveling offset in the travel lane as illustrated
When the Preview Function operates, the brake pedal may move slightly and may make a small noise. This is not a system malfunc-
tion.
JSFIA0390ZZ
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SYSTEM
BRC-153
< SYSTEM DESCRIPTION > [INTELLIGENT BRAKE ASSIST]
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Fail-safe Indication
NOTE:
When the IBA turns OFF, the IBA OFF indicator lamp will illuminate.
Condi INFINITI QX56 2011 Factory User Guide
SYSTEM
BRC-153
< SYSTEM DESCRIPTION > [INTELLIGENT BRAKE ASSIST]
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Fail-safe Indication
NOTE:
When the IBA turns OFF, the IBA OFF indicator lamp will illuminate.
Condi](/img/42/57033/w960_57033-669.png)
SYSTEM
BRC-153
< SYSTEM DESCRIPTION > [INTELLIGENT BRAKE ASSIST]
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Fail-safe Indication
NOTE:
When the IBA turns OFF, the IBA OFF indicator lamp will illuminate.
Condition Description Indication on the combination meter
When the 4WD shift switch is in the 4H or
4L position The system is temporary unavailable.
(Without the warning chime)
JSFIA0444ZZ
Condition Description Indication on the combination meter
When the sensor window is dirty
When the system malfunction The system will be cancelled automatically
with a beep sound.
When driving into a strong light
(i.e. sunlight) The system is temporary unavailable.
(Without the warning chime)
JSFIA0392ZZ
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NORMAL OPERATING CONDITIONBRC-157
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NORMAL OPERATING CONDITION
DescriptionINFOID:0000000006228304
PRECAUTIONS FOR INTE INFINITI QX56 2011 Factory User Guide
NORMAL OPERATING CONDITIONBRC-157
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NORMAL OPERATING CONDITION
DescriptionINFOID:0000000006228304
PRECAUTIONS FOR INTE](/img/42/57033/w960_57033-673.png)
NORMAL OPERATING CONDITIONBRC-157
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NORMAL OPERATING CONDITION
DescriptionINFOID:0000000006228304
PRECAUTIONS FOR INTELLIGENT BRAKE ASSIST
The IBA system is a not collision avoidance system. It is the driver′s responsibility to stay alert, drive safely
and be in control of the vehicle at all times.
As there is a performance limit, it may not prov ide a warning or brake in certain conditions.
The system will not detect the following objects:
- Pedestrians, animals, or obstacles in the roadway
- Oncoming vehicles in the same lane
The system will not detect under the following conditions:
- When the sensor gets dirty and 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 the signals returned from the reflectors on a vehicle ahead. Therefore, the sys-
tem may not function properly under the following conditions:
- When the reflectors of the vehicle ahead are positioned high or close each other (including a small vehicle
such as motorcycles).
- When the sensor gets dirty or and it is impossi ble to detect the distance from 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 and road spray.
- When visibility is low (such as rain, fog, snow, etc.).
- When snow or road spray from traveling vehicles are raised up.
- When dense exhaust or other smoke (black smoke) fr om vehicles reduces the sensor visibility.
- When excessively heavy baggage is loaded in the rear seat or the luggage room of 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.).
- While towing a trailer or other vehicle.
Depending on certain road conditions (curved, beginning of a curve), vehicle conditions (steering position,
vehicle position), or preceding vehicle ′s conditions (position in lane, etc. ), the system may not function prop-
erly.
The system may not function in offset conditions.
The system may not function when the distanc e to the vehicle ahead is extremely close.
The system detect highly reflective objects such as reflectors, signs, white markers, and other stationary objects on the road or
near the traveling lane, and when in extreme conditions, detection
of these objects may caus e the system to function.
The system is designed to automatically check the sensor ′s func-
tionality. If the sensor is covered with ice, a transparent or translu-
cent plastic bag, etc., the system may not detect them. In these
instances the 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.
Never step in under the brake pedal to avoid an accident when IBA
system turns ON.
Sudden appearance of the vehicle in front (i.e. it abrupt ly cuts in) may not be detected and the system may
not warn soon enough.
The system will be cancelled automatically with a beep sound and the IBA OFF indicator lamp will illuminate
under the following conditions:
- When the sensor window is dirty
- When the system malfunctions
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CCS-18
< SYSTEM DESCRIPTION >[ICC]
SYSTEM
When the SET/COAST switch is pushed under the following condi-
tions, the system cannot be set. A warning chime will sound and
the set speed indicator and INFINITI QX56 2011 Factory User Guide
CCS-18
< SYSTEM DESCRIPTION >[ICC]
SYSTEM
When the SET/COAST switch is pushed under the following condi-
tions, the system cannot be set. A warning chime will sound and
the set speed indicator and](/img/42/57033/w960_57033-752.png)
CCS-18
< SYSTEM DESCRIPTION >[ICC]
SYSTEM
When the SET/COAST switch is pushed under the following condi-
tions, the system cannot be set. A warning chime will sound and
the set speed indicator and own vehicle indicator will blink.
- When the SNOW mode switch is ON (To use the ICC system, turn
OFF the SNOW mode switch, push the MAIN switch to turn OFF
the ICC system and reset the ICC system by pushing the MAIN
switch again.)
- When the 4WD shift switch is not AUTO position. (To use the ICC
system, shift the AUTO position, push the MAIN switch to turn OFF
the ICC system and reset the ICC system by pushing the MAIN
switch again.)
- When the VDC is OFF. (To use the ICC system, turn ON the VDC system, push the MAIN switch to turn OFF the I CC system and reset the ICC system by pushing the MAIN
switch again.)
- When ABS or VDC (including the TCS) operates.
- When driving into a strong light (i.e., sunlight).
- When the wheel is slipping. (To use the ICC system, make sure the wheels are no longer spinning, push the
MAIN switch to turn OFF the ICC system and rese t the ICC system by pushing the MAIN switch again.)
Cancel Conditions
1. When CANCEL switch is pressed.
2. When brake pedal is depressed.
3. When the vehicle ahead is not detected below the speed of 24 km/h (15 MPH).
4. When the selector lever is not in the “D” position or manual mode.
5. When the parking brakes are applied.
6. When the system judges the vehicle is at standstill.
7. When the front wiper s are operating at HI.
(If the vehicle is equipped with a rain sensing auto-wi per, the system may cancel when the wipers are set
to AUTO.)
8. When the SNOW mode switch is turned ON.
9. When 4WD shift switch is not AUTO position
10. When ABS or VDC (including the TCS) operates.
11. When the MAIN switch is turned OFF.
12. When a wheel slips.
13. When driving into a strong light (i.e., sunlight).
14. When the VDC is turned OFF.
15. When the system malfunction occurs.
CONVENTIONAL (FIXED SPEED) CR UISE CONTROL MODE FUNCTION
CONVENTIONAL (FIXED SPEED) CRUISE CONTROL MODE FUNCTION : System
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CCS-24
< SYSTEM DESCRIPTION >[ICC]
OPERATION
WARNING LAMP AND AUTOMATIC CANCELLATION DISPLAY
NOTE:
Condition Display on ICC system display
When own vehicle comes closer to the vehicle ahead and it is INFINITI QX56 2011 Factory User Guide
CCS-24
< SYSTEM DESCRIPTION >[ICC]
OPERATION
WARNING LAMP AND AUTOMATIC CANCELLATION DISPLAY
NOTE:
Condition Display on ICC system display
When own vehicle comes closer to the vehicle ahead and it is](/img/42/57033/w960_57033-758.png)
CCS-24
< SYSTEM DESCRIPTION >[ICC]
OPERATION
WARNING LAMP AND AUTOMATIC CANCELLATION DISPLAY
NOTE:
Condition Display on ICC system display
When own vehicle comes closer to the vehicle ahead and it is judged that the distance be-
tween the vehicles is not sufficient
JSOIA0301ZZ
Condition Description Display on ICC system display
Warning
display When the VDC is turned OFF
When the VDC or ABS (in-
cluding the TCS) operates
When a wheel slips
When the 4WD shift switch is not AUTO
When the SNOW mode switch is turned ON
When driving into a strong light (i.e., sunlight) A chime sounds and the control is automatically
canceled.
NOTE:
When the conditions listed above are no longer
present, turn the system OFF using the MAIN
switch.
Turn the ICC system back on to use the system.
When the sensor window is
dirty, making it impossible to de-
tect a vehicle ahead. A chime sounds and the control is automatically
canceled.
NOTE:
Park the vehicle in a safe place, turn the engine
OFF.
Clean the sensor window with a soft cloth and
then perform the settings again.
When the ICC system is mal-
functioning A chime sounds and the control is automatically
canceled.
NOTE:
Turn the engine OFF and restart engine. If there
is no malfunction, it is possible to set the system.
Automatic
cancella-
tion display When brake pedal is de-
pressed
When CANCEL switch is pressed
When a vehicle ahead is not
detected below the speed of
24 km/h (15 MPH)
When the system judges the
vehicle is at standstill
When the selector lever is not in “D” position or manual
mode
When the front wipers are op- erating at HI
(If the vehicle is equipped
with a rain sensing auto-wip-
er, the system may cancel
when the wipers are set to
AUTO)
When the parking brake are
applied A chime sounds and the control is automatically
canceled.
NOTE:
The system will be in a standby, after the control
is automatically canceled.
A chime sounds when the control is automati-
cally canceled, except when brake pedal is de-
pressed or when CANCEL switch is pressed.
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Revision: 2010 May2011 QX56