cruise control INFINITI QX56 2011 Factory Workshop Manual
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INTELLIGENT CRUISE CONTROL
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Revision: 2010 May2011 QX56 INFINITI QX56 2011 Factory Workshop Manual
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Revision: 2010 May2011 QX56 INFINITI QX56 2011 Factory Workshop Manual
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Revision: 2010 May2011 QX56 INFINITI QX56 2011 Factory Workshop Manual
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![INFINITI QX56 2011 Factory Workshop Manual
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ACTION TEST
DescriptionINFOID:0000000006224297
Always perform the ICC system action test to check that the ICC system o INFINITI QX56 2011 Factory Workshop Manual
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Always perform the ICC system action test to check that the ICC system o](/img/42/57033/w960_57033-811.png)
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ACTION TEST
DescriptionINFOID:0000000006224297
Always perform the ICC system action test to check that the ICC system operates normally after replacing the
ICC sensor or repairing any ICC system malfunction.
CAUTION:
Always drive safely when pe rforming the action test.
Turn the DCA system to OFF when performing the action test.
Work Procedure (Vehicle-To-Vehicle Distance Control Mode)INFOID:0000000006224298
NOTE:
When there is no vehicle ahead, drive at the set speed steadily.
When there is a vehicle ahead, control to maintain distance from the vehicle ahead, watching its speed.
The running speed can be set between 32 km/h (20 MPH) and 144 km/h (90 MPH).
CAUTION:
Never set the cruise speed exceeding the posted speed limit.
1.CHECK FOR MAIN SWITCH
1. Start the engine.
2. Press the MAIN switch (1) (less than 1.5 seconds).
3. Check the ICC system display on the information displa y to check that the vehicle-to-vehicle distance con-
trol mode is ready for activation.
4. Press the MAIN switch, and check that the ICC syst em display on the information display turns OFF when
the ICC system is deactivated.
5. Check that the ICC system displa y on the information display turns OFF after starting the engine again.
>> GO TO 2.
2.CHECK FOR DISTANCE SWITCH
1. Start the engine.
2. Press the MAIN switch (less than 1.5 seconds).
3. Press the DISTANCE switch.
Information display status
MAIN switch indicator (2) : ON
Set distance indicator (3) : Long mode
Own vehicle indicator (4) : ON
Set vehicle speed indicator (5) : “— —”
“km/h” (“MPH”)
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4. Check that the set distance indicator changes display in order of: (Long)
→(Middle) →(Short).
NOTE:
When the MAIN switch is turned ON, initial sett INFINITI QX56 2011 Factory Workshop Manual
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4. Check that the set distance indicator changes display in order of: (Long)
→(Middle) →(Short).
NOTE:
When the MAIN switch is turned ON, initial sett](/img/42/57033/w960_57033-812.png)
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4. Check that the set distance indicator changes display in order of: (Long)
→(Middle) →(Short).
NOTE:
When the MAIN switch is turned ON, initial setting set to (Long). >> GO TO 3.
3.CHECK FOR RESUME/ACCELERATE, SE T/COAST, AND CANCEL SWITCHES
1. Check that RESUME/ACCELE RATE, SET/COAST, CANCEL switches are operated smoothly.
2. Check that switches come up as hand is released from the switches.
>> GO TO 4.
4.SET CHECKING (1)
1. Start the engine.
2. Press the MAIN switch (less than 1.5 seconds) and tu rn the vehicle-to-vehicle distance control mode ON.
3. Drive the vehicle at 32 km/h (20 MPH) or more.
4. Push down the SET/COAST switch.
5. Check that the desired speed is set and vehicle-to -vehicle distance control mode control starts when
releasing SET/COAST switch.
NOTE:
The set vehicle speed is indicated on the set vehicle s peed indicator in the ICC system display on the informa-
tion display.
>> GO TO 5.
5.CHECK FOR INCREASE OF CRUISING SPEED (1)
1. Set the vehicle-to-vehicle distance control mode at desired speed.
2. Check that the set speed increases by 1 km/h (1 MPH) as RESUME/ACCELERATE switch is pushed up.
NOTE:
The maximum set speed of the vehicle-to-vehicl e distance control mode is 144 km/h (90 MPH).
CAUTION:
Never set the cruise speed exceed ing the posted speed limit.
>> GO TO 6.
6.CHECK FOR DECREASE OF CRUISING SPEED (1)
1. Set the vehicle-to-vehicle distance control mode at desired speed.
2. Check that the set speed decreases by 1 km/h (1 MPH) as SET/COAST switch is pushed down.
NOTE:
The minimum set speed is approximately 32 km/h (20 MPH).
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Cancel the control automatically when the vehicle speed is less than approximately 24 km/h (15 MPH) and
when the syst INFINITI QX56 2011 Factory Workshop Manual
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Cancel the control automatically when the vehicle speed is less than approximately 24 km/h (15 MPH) and
when the syst](/img/42/57033/w960_57033-813.png)
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Cancel the control automatically when the vehicle speed is less than approximately 24 km/h (15 MPH) and
when the system does not detect any vehicle ahead.
>> GO TO 7.
7.SET CHECKING (2)
1. Stop the vehicle.
2. Drive the vehicle at less than approximately 32 km/h (20 MPH).
3. Push down the SET/COAST switch w hen the system detects a vehicle ahead.
4. Check that the vehicle-to-vehicle distance control mode is performed so that the vehicle maintains a
proper distance according to the vehicle speed [maximum: approximately 32 km/h (20 MPH)] when
releasing SET/COAST switch.
NOTE:
The vehicle-to-vehicle distance control mode cannot be set when the vehicle speed is less than 32 km/h (20
MPH) and when a vehicle ahead is not detected.
Cancel the control automatically w hen the vehicle speed is 24 km/h (15 MP H) or less during the control and
when the system does not detect any vehicle ahead.
The set vehicle speed indicator in the ICC system display on the information display is set to 32 km/h (20 MPH).
>> GO TO 8.
8.CHECK FOR INCREASE OF CRUISING SPEED (2)
1. Set the vehicle-to-vehicle distance control mode when the vehicle speed is less than approximately 32
km/h (20 MPH) and when a vehicle ahead is detected.
2. Check that the set speed increases by 1 km/h (1 MPH) as RESUME/ACCELERATE switch is pushed up.
NOTE:
The maximum set speed of the vehicle-to-vehicl e distance control mode is 144 km/h (90 MPH).
CAUTION:
Never set the cruise speed exceed ing the posted speed limit.
>> GO TO 9.
9.CHECK FOR DECREASE OF CRUISING SPEED INSPECTION (2)
1. Set the vehicle-to-vehicle distance control mode when the vehicle speed is less than approximately 32
km/h (20 MPH) and when a vehicle ahead is detected.
2. Set the set vehicle speed to the desired vehicle speed according to “check for increase of cruising speed”.
3. Check that the set speed decreases by 1 km/h (1 MPH) as SET/COAST switch is pushed down.
NOTE:
The minimum the set speed is approximately 32 km/h (20 MPH).
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 j udges a standstill with a warning chime.
CAUTION:
The creep occurs because the stop status is not maintained.
>> GO TO 10.
10.CHECK FOR CANCELLATION OF VEHICLE-T O-VEHICLE DISTANCE CONTROL MODE
Check that the vehicle-to-vehicle distance control m ode is canceled when performing the following operations.
When the brake pedal is depressed after vehicle-to-vehi cle distance control mode is set and the vehicle is
driven.
When the selector lever is in the “N” position after vehicle-to-vehicle distance control mode is set and the
vehicle is driven.
When the MAIN switch is turned OFF after vehicle-to -vehicle distance control mode is set and the vehicle is
driven.
When the CANCEL switch is pressed after vehicle-to-v ehicle distance control mode is set and the vehicle is
driven.
>> GO TO 11.
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11 .CHECK FOR RESTORING SPEED THAT IS SET BY
VEHICLE-TO-VEHICLE DISTANCE CONTROL
MODE BEFORE CANCELLATION
Check that the vehicle restores the previous sp INFINITI QX56 2011 Factory Workshop Manual
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11 .CHECK FOR RESTORING SPEED THAT IS SET BY
VEHICLE-TO-VEHICLE DISTANCE CONTROL
MODE BEFORE CANCELLATION
Check that the vehicle restores the previous sp](/img/42/57033/w960_57033-814.png)
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11 .CHECK FOR RESTORING SPEED THAT IS SET BY
VEHICLE-TO-VEHICLE DISTANCE CONTROL
MODE BEFORE CANCELLATION
Check that the vehicle restores the previous speed kept before the syst em deactivation when performing the
following operations.
Drive the vehicle when the vehicle-to-vehicle dist ance control mode is set and depress the brake pedal to
cancel the control. Check that the vehicle restores the previous vehicle speed kept before the system deac-
tivation when pushing up the RESUME/ACCELERATE switch.
Drive the vehicle when the vehicle-to-vehicle distance c ontrol mode is set and shift the selector lever to the
“N” position to cancel the control. Check that the vehi cle restores the previous vehicle speed kept before the
system deactivation when shifting the selector lever to the “D” position and pushing up the RESUME/
ACCELERATE switch.
Drive the vehicle when the vehicle-to-vehicle distanc e control mode is set and press the CANCEL switch to
cancel the control. Check that the vehicle restores the previous vehicle speed kept before the system deac-
tivation when pushing up the RESUME/ACCELERATE switch.
>> INSPECTION END
Work Procedure [Conventional (Fix ed Speed) Cruise Control Mode]INFOID:0000000006224299
NOTE:
The running speed can be set between 40 km/h (25 MPH) and 144 km/h (90 MPH).
CAUTION:
Never set the cruise speed exceed ing the posted speed limit.
1.CHECK FOR MAIN SWITCH
1. Start the engine.
2. Press the MAIN switch (1) (1.5 seconds or more).
3. Check that the ICC system display on the information display turns on and the display is ready for activa-
tion.
4. Press the MAIN switch, and check that the ICC system display on the information display turns OFF when
the ICC system is deactivated.
5. Check that the ICC system display on the informat ion display turns OFF after starting the engine again.
>> GO TO 2.
2.CHECK FOR RESUME/ACCELERATE, SE T/COAST, AND CANCEL SWITCHES
1. Check that RESUME/ACCELE RATE, SET/COAST, CANCEL switches are operated smoothly.
2. Check that switches come up as hand is released from the switches.
>> GO TO 3.
3.SET CHECKING
1. Start the engine.
2. Press the MAIN switch (1.5 seconds or more) and tu rn the conventional (fixed speed) cruise control mode
to ON.
3. Drive the vehicle at 40 km/h (25 MPH) or more.
4. Push down the SET/COAST switch.
Information display status
MAIN switch indicator (2) : ON
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5. Check that the desired speed is set and conventional (fixed speed) cruise control mode control starts
when releasing INFINITI QX56 2011 Factory Workshop Manual
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5. Check that the desired speed is set and conventional (fixed speed) cruise control mode control starts
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5. Check that the desired speed is set and conventional (fixed speed) cruise control mode control starts
when releasing SET/COAST switch.
NOTE:
The set vehicle speed is not displayed in the ICC system display on the information display.
Display the set status in the ICC syst em display on the information display.
>> GO TO 4.
4.CHECK FOR INCREASE OF CRUISING SPEED
1. Set the vehicle speed to any desired speed, and drive the vehicle.
2. Check that the set speed increases by 1.6 km/h (1 MPH) as RESUME/ACCELERATE switch is pushed
up.
NOTE:
The maximum set speed is 144 km/h (90 MPH).
The set vehicle speed increases while pushing up the RESUME/ACCELERATE switch.
CAUTION:
Never set the cruise speed exceed ing the posted speed limit.
>> GO TO 5.
5.CHECK FOR DECREASE OF CRUISING SPEED
1. Set the vehicle speed to any desired speed, and drive the vehicle.
2. Check that the set speed decreases by 1.6 km/h (1 MPH) as SET/COAST switch is pushed down.
NOTE:
The minimum set speed is 40 km/h (25 MPH).
The set vehicle speed decreases while pressing down the SET/COAST switch.
Cancel the control automatically when the vehicle speed lowers to less than approximately 32 km/h (20
MPH).
>> GO TO 6.
6.CHECK FOR CANCELLATION OF CONVENTIONAL (FIXED SPEED) CRUISE CONTROL MODE
Check that the conventional (fixed speed) cruise c ontrol mode is canceled when performing the following
operations.
When the brake pedal is depressed after the conventional (fixed speed) cruise control mode is set and the
vehicle is driven.
When the selector lever is in the “N” position after t he conventional (fixed speed) cruise control mode is set
and the vehicle is driven.
When the MAIN switch is turned OFF after the convent ional (fixed speed) cruise control mode is set and the
vehicle is driven.
When the CANCEL switch is pressed after the conventi onal (fixed speed) cruise control mode is set and the
vehicle is driven.
>> GO TO 7.
7.CHECK FOR RESTORING SPEED THAT IS SET BY CONVENTIONAL (FIXED SPEED) CRUISE CON-
TROL MODE BEFORE CANCELLATION
Check that the vehicle restores the previous s peed kept before the system deactivation when performing the
following operations.
Drive the vehicle when the conventional (fixed speed) cruise control mode is set and depress the brake
pedal to cancel the control. Check that the vehicle re stores the previous vehicle speed kept before the sys-
tem deactivation when pushing up the RESUME/ACCELERA TE switch at the vehicle speed approximately
40 km/h (25 MPH) or more.
Drive the vehicle when the conventional (fixed speed) cr uise control mode is set and shift the selector lever
is in the “N” position to cancel the control. Check t hat the vehicle restores the previous vehicle speed kept
before the system deactivation when shifting the select or lever is in the “D” position and pushing up the
RESUME/ACCELERATE switch at the vehicle speed of approximately 40 km/h (25 MPH) or more.
Drive the vehicle when the conventional (fixed speed) cruise control mode is set and press the CANCEL
switch to cancel the control. Check that the vehicle restores the previous vehicle speed kept before the sys-
Revision: 2010 May2011 QX56