2011 INFINITI QX56 ECO mode

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Page 742 of 5598

INFINITI QX56 2011 Factory Service Manual
CCS
PRECAUTIONSCCS-7
< PRECAUTION > [ICC]
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Bypass connection is never allowed at the repaired area. NOTE:
Bypass connection may cause ITS communication error. The
splic

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INFINITI QX56 2011 Factory Service Manual
CCS
SYSTEMCCS-17
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With ICC system, the driver can maintain the same speed as other vehicles without the constant need to
adjust the set spee

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SYSTEMCCS-17
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With ICC system, the driver can maintain the same speed as other vehicles without the constant need to
adjust the set speed as driver would with a normal cruise control system.
The following items are controlled in the vehicle-to-vehicle distance control mode
When there are no vehicles traveling ahead, the vehi cle-to-vehicle distance control mode maintains the
speed set by the driver. The set speed range is between approximately 32 and 144 km/h (20 and 90 MPH).
When there is a vehicle traveling ahead, the vehicle- to-vehicle distance control mode adjusts the speed to
maintain the distance, selected by driver, from a vehicle ahead. The adjusting speed range is up to the set
speed.
When the vehicle traveling ahead has moved out from its lane of travel, the vehicle-to-vehicle distance con-
trol mode accelerates and maintains vehicle speed up to the set speed.
CAUTION:
If the vehicle ahead comes to stop, the vehicle decel erates to a standstill within the limitations of the
system. The system will cancel once it judges that the vehicle has come to a standstill and sound a
warning chime.
To prevent the vehicle from moving, th e driver must depress the brake pedal.
NOTE:
When the accelerator pedal is depressed, the brake oper ation and the warning are not performed by the ICC
system.
OPERATION DESCRIPTION
Quickly push (less than 1.5 seconds) and release the MAIN switch ON.
The MAIN switch indicator, set distance indicator, own vehicle indicator, and set vehicle speed indicator come
on and ICC system is set to a standby state.
ADAS control unit performs the control as per the following:
Set Condition
Under a standby state, pushing down the SET/ COAST switch will start system control.
When vehicle speed is between approximately 32 km/h and 144 km/h (20 MPH and 90 MPH).
When vehicle speed is below approximately 32 km/h ( 20 MPH) if the vehicle ahead is detected. The set
vehicle speed becomes 32 km/h (20 MPH).
If the system is canceled by conditi ons 1-6 below, the system will resume c ontrol at the last set cruising speed
by pushing up the RESUME/ACCELERATE switch.
NOTE:
When the SET/COAST switch is pushed under the following condi- tions, the system cannot be set and the set vehicle speed indicator
will blink for approximately 2 seconds.
- When traveling below 32 km/h (20 MPH) and the vehicle ahead is not detected.
- When the selector lever is not in the “D” position or manual mode.
- When the front wipers are operating at HI.
(If the vehicle is equipped with a rain sensing auto-wiper, the sys-
tem may cancel when the wipers are set to AUTO)
- When the parking brakes are applied.
- When the brakes are operated by the driver.
Constant
speed Comparing the set vehicle speed with the current vehicle speed, transmit the command to ECM via CAN communication
to reach the set vehicle speed, and controls the electric throttle control actuator
Decelera-
tion When a vehicle ahead (slower than driver set vehicle speed) appears or when a vehicle ahead slows down, the system
controls the electric throttle control actuator into the close direction and decelerates the vehicle. If greater deceleration
is necessary, the system
transmits the brake fluid pressure control signal to the ABS actuator and electric unit (control
unit) via CAN communication and operates the brake
Following The system controls the electric throttle control actuator and the brake fluid pressure to keep the proper distance between
the vehicles according to the vehicle speed change of the vehicle ahead
Accelera-
tion When a vehicle ahead is not detected because of it changes lanes or own vehicle changes lanes during the following
driving, the system controls the electric throttle control actu
ator in the open direction and accelerates the vehicle to the
set vehicle speed slowly
JPOIA0222ZZ
Revision: 2010 May2011 QX56

Page 755 of 5598

INFINITI QX56 2011 Factory Service Manual
CCS-20
< SYSTEM DESCRIPTION >[ICC]
SYSTEM
In the conventional (fixed speed) cruise control mode,
a warning chime does not sound to warn driver if own
vehicle are too close to the vehicle ahead, as n

CCS-20
< SYSTEM DESCRIPTION >[ICC]
SYSTEM
In the conventional (fixed speed) cruise control mode,
a warning chime does not sound to warn driver if own
vehicle are too close to the vehicle ahead, as neither the presence of the vehicle ahead nor the vehicle-to-
vehicle distance is detected.
OPERATION DESCRIPTION
To turn ON the conventional (fixed speed) cruise cont rol mode, push and hold the MAIN switch for longer than
approximately 1.5 seconds when ICC system is OFF.
When pushing the MAIN switch ON, the ICC system display and the MAIN switch indicator are displayed on
the information display.
After hold the MAIN switch ON for longer than approxim ately 1.5 seconds, the ICC system display goes out.
The MAIN switch indicator stays lit and brings the system to standby state.
NOTE:
To turn on the vehicle-to-vehicle distance control mode again, turn OFF the system and quickly push (less
than 1.5 seconds) the MAIN switch.
When the DCA system is ON, the conventional (fixed speed) cruise control mode cannot be turned on even
though the MAIN switch is pushed and held.
To turn ON the conventional (fixed speed) cruise control mode, turn OFF the DCA system. Refer to DAS-68,
"System Description".
ADAS control unit performs the control as per the following:
Set Condition
When the system is under a standby state and the vehi cle speed is between approximately 40 km/h (25 MPH)
and 144 km/h (90 MPH), pushing the SET/COAST switch will start system control.
If the system is canceled by conditions 1-6 below, the sy stem will resume control at the last set cruising speed
by pushing the RESUME/ACCELERATE switch.
Cancel conditions1. When CANCEL switch is pressed.
2. When brake pedal depressed.
3. When the vehicle speed falls below approximately 32 km/h (20 MPH).
4. When the vehicle slows down more than 13 km/h (8 MPH) below the set speed.
5. When the selector lever is not in the “D” position or manual mode.
6. When the parking brakes are applied.
7. When the MAIN switch is turned OFF.
8. When VDC (including the TCS) operates.
9. When a wheel slips.
10. When the system malfunction occurs.
Constant
speed Comparing the set vehicle speed with the current vehicle speed, transmits the command to ECM via CAN communication
to reach the set vehicle speed, and controls the electronic throttle control actuator.
Revision: 2010 May2011 QX56

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INFINITI QX56 2011 Factory Service Manual
CCS
OPERATIONCCS-21
< SYSTEM DESCRIPTION > [ICC]
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OPERATION
VEHICLE-TO-VEHICLE DISTANCE CONTROL MODE FUNCTION
VEHICLE-TO-VEHICLE DISTANCE CONT ROL MODE FUNCTION : Switch

Page 757 of 5598

INFINITI QX56 2011 Factory Service Manual
CCS-22
< SYSTEM DESCRIPTION >[ICC]
OPERATION
SYSTEM CONTROL CONDITION DISPLAY
Quickly push (less than 1.5 seconds) and release the MAIN switch ON.
The MAIN switch indicator (cruise indicator), set di

Page 760 of 5598

INFINITI QX56 2011 Factory Service Manual
CCS
OPERATIONCCS-25
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When the ICC system is automatically canceled, the cancellation condition can be displayed on “WORK SUP-
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Page 762 of 5598

INFINITI QX56 2011 Factory Service Manual
CCS
HANDLING PRECAUTIONCCS-27
< SYSTEM DESCRIPTION > [ICC]
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HANDLING PRECAUTION
Precautions for Vehicle-to-V ehicle Distance Control ModeINFOID:0000000006224276
ICC sys

CCS
HANDLING PRECAUTIONCCS-27
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HANDLING PRECAUTION
Precautions for Vehicle-to-V ehicle Distance Control ModeINFOID:0000000006224276
ICC 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.
The system is primarily intended for use on straight, dry, open roads with light traffic. It is not advisable to
use the system in city traffic or congested areas.
This system will not adapt automatically to road condi tions. This system should be used in evenly flowing
traffic. Do not use the system on roads with sharp curves, or on icy roads, in heavy rain or in fog.
The ICC sensor will not detect under most conditions.
- Stationary and slow moving vehicles.
- Pedestrians or objects in the roadway.
- Oncoming vehicles in the some 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 ICC system. This
system does not correct careless, inattentive or absent -minded driving, or overcome poor visibility in rain,
fog, or other bad weather. Decelerate the vehicle 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.
If the vehicle ahead comes to a stop, the vehicle decelerat es to a standstill within the limitations of the sys-
tem. The system will cancel once it judges that the vehicle has come to a standstill and sound a warning
chime. To prevent the vehicle from movi ng, the driver must depress the brake pedal.
The system may not detect the vehicle in front of the dr iver in certain road or weather conditions. To avoid
accidents, never use the ICC syst em under the following conditions:
- On roads where the traffic is heavy or there are 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 the windshield wipers are operating at high speed. The ICC system may cancel when the wipers are
set to the AUTO position.
- 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 (the vehicle may go beyond the set vehicle speed and frequent braking may result in overheating the brakes).
- On repeated uphill and downhill roads.
- When traffic conditions make it difficult to keep a proper distance between vehicles because of frequent acceleration or deceleration.
- When towing a trailer or other vehicle
In some road or traffic conditions, a vehicle or object can unexpectedly come into the sensor detection zone and cause automatic braking. The driver may need to c ontrol the distance from other vehicles using the
accelerator pedal. Always stay alert and avoid using t he ICC system when it is not recommended in this sec-
tion.
The vehicle-to-vehicle distance control mode uses a sensor located on the front of the vehicle to detect vehi-
cles traveling ahead. The sensor generally detects t he signals returned from the reflectors on a vehicle
ahead. Therefore, if the sensor c annot detect the reflector on the v ehicle ahead, the ICC system may not
maintain the selected distance.
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.
- When the vehicle is towing a trailer, etc.
The ICC system is designed to automatic ally check the sensor's operation within the limitation of the system.
When the sensor is covered with dirt or is obstruct ed, the system will automatically be canceled. If the sen-
sor is covered with ice, a transparent or translucent vinyl bag, etc., the ICC system may not detect them. In
these instances, the vehicle-to-vehicle distance control mode may not cancel and may not be able to main-
tain the selected following distance from the vehicle ahead. Be sure to check and clean the sensor regularly.
Revision: 2010 May2011 QX56

Page 766 of 5598

INFINITI QX56 2011 Factory Service Manual
CCS
DIAGNOSIS SYSTEM (ADAS CONTROL UNIT)
CCS-31
< SYSTEM DESCRIPTION > [ICC]
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It displays for up to 5 minutes and then stops.
If multiple malfunctions exist, up to 6

CCS
DIAGNOSIS SYSTEM (ADAS CONTROL UNIT)
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It displays for up to 5 minutes and then stops.
If multiple malfunctions exist, up to 6 DTCs can be stored in memory at the most, and the most recent
one is displayed first.
WHEN THE ON BOARD SELF-DIAGNOSIS DOES NOT START
If the on board self-diagnosis does not start, check the following items.
HOW TO ERASE ON BOARD SELF-DIAGNOSIS
1. Turn the ignition switch OFF.
2. Start the engine, and then start the on board self-diagnosis.
3. Press the CANCEL switch 5 times, and then press the DIS-
TANCE switch 5 times under the condition that the on board
self-diagnosis starts.
NOTE:
Complete the operation within 10 seconds after pressing the
CANCEL switch first.
If the operation is not completed within 10 seconds, repeat the procedure from step 1.
4. DTC 55 is displayed after erasing. NOTE:
DTCs for existing malfunction can not be erased.
5. Turn ignition switch OFF, and finish the diagnosis.
CONSULT-III Function (ICC/ADAS)INFOID:0000000006227984
APPLICATION ITEMS
CONSULT-III performs the following functions via CAN communication using ADAS control unit.
WORK SUPPORT
Assumed abnormal part Inspection item
Information display Combination meter malfunction Check that the self-diagnosis function of the combina-
tion meter operates. Refer to
MWI-29, "
On Board Diag-
nosis Function"
ICC steering switch malfunction
Perform the inspection for DTC“C1A06”. Refer to CCS-
94, "Diagnosis Procedure"Harness malfunction between ICC steering switch and ECM
ECM malfunction
ADAS control unit malfunction Check power supply and ground circuit of ADAS con-
trol unit. Refer to DAS-62, "
Diagnosis Procedure".
Perform SELF-DIAGNOSIS for “ICC/ADAS”with
CONSULT-III, and then check the malfunctioning
parts. Refer to DAS-38, "
DTC Index".
PKIB8373E
Diagnosis mode Description
Work Support Displays causes of automatic system cancellation occurred during system control
Self Diagnostic Result Displays the name of a malfunctioning system stored in the ADAS control unit
Data Monitor Displays ADAS control unit input/output data in real time
Active Test Enables an operational check of a load by transmitting a driving signal from the ADAS control unit to
the load
Ecu Identification Displays ADAS control unit part number
CAN Diag Support Monitor Displays a reception/transmission state of CAN communication and ITS communication
Revision: 2010 May2011 QX56

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