Infiniti EX35. Manual — part 391
CCS
THE SYSTEM DOES NOT DETECT THE VEHICLE AHEAD AT ALL
CCS-99
< SYMPTOM DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
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THE SYSTEM DOES NOT DETECT THE VEHICLE AHEAD AT ALL
Description
INFOID:0000000003130136
When the ICC system is active, the vehicle-to-vehicle distance control mode does not perform any control
even though there is a vehicle ahead.
Diagnosis Procedure
INFOID:0000000003130137
1.
CHECK ICC SYSTEM DISPLAY IN COMBINATION METER
1.
Perform the combination meter self-diagnosis. Refer to
MWI-38, "Diagnosis Description"
.
2.
Check if the multi information display turns on normally.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace combination meter.
2.
VISUAL INSPECTION 1
Check ICC sensor integrated unit body window for contamination and foreign materials.
Is it found?
YES
>> GO TO 3.
NO
>> GO TO 4.
3.
REMOVE DIRT AND FOREIGN OBJECTS
Remove any stain and foreign materials from the ICC sensor integrated unit body window.
>> GO TO 6.
4.
VISUAL INSPECTION 2
Check ICC sensor integrated unit body window for cracks and scratches.
Is it found?
YES
>> GO TO 6.
NO
>> GO TO 5.
5.
ADJUST LASER BEAM AIMING
1.
Adjust laser beam aiming. Refer to
CCS-8, "LASER BEAM AIMING ADJUSTMENT : Special Repair
.
2.
Perform ICC system action test. Refer to
CCS-13, "ACTION TEST : Special Repair Requirement (Vehicle-
To-Vehicle Distance Control Mode)"
3.
Check if preceding vehicle detection performance has been improved.
Is it improved?
YES
>> INSPECTION END
NO
>> GO TO 6.
6.
REPLACE ICC SENSOR INTEGRATED UNIT
1.
Replace ICC sensor integrated unit.
2.
Adjust laser beam aiming. Refer to
CCS-8, "LASER BEAM AIMING ADJUSTMENT : Special Repair
.
>> GO TO 7.
7.
CHECK ICC SYSTEM
1.
Erase DTC and perform ICC system action test. Then perform self-diagnosis of ICC sensor integrated
unit. (For the details on the ICC system action test, refer to
CCS-13, "ACTION TEST : Special Repair
Requirement (Vehicle-To-Vehicle Distance Control Mode)"
).
2.
Check that no abnormal condition is present in the ICC system.
>> INSPECTION END
CCS-100
< SYMPTOM DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
NORMAL OPERATING CONDITION
NORMAL OPERATING CONDITION
Description
INFOID:0000000003130138
PRECAUTIONS FOR VEHICLE-TO-VEHICLE DISTANCE CONTROL MODE
• Intelligent Cruise Control is functionally limited. This never supports careless driving and low visibility (rain,
fog, etc.). Drive the vehicle safely. Keep a safe distance between vehicles by decreasing the vehicle speed
according to the driving condition etc.
• Intelligent Cruise Control never stops the vehicle automatically. Intelligent Cruise Control is automatically
released, and the buzzer sounds if any vehicle ahead is not detected when the vehicle speed is approxi-
mately 35 km (21.5 MPH) or less.
• Use this system when the vehicle speed does not extremely change. This system may not properly function
when any vehicle cuts in, or when the vehicle ahead suddenly applies the brake. Then, the warnings (buzzer
and indication) are activated.
• Never use Intelligent Cruise Control under the following conditions.
- A heavily-trafficked road and a tight turn.
It may cause any accident because the driving speed does not fit to the road condition.
- A slippery road (e.g., freezing, or snowy road)
The vehicle may lose the control by wheel spin.
- When driving in bad whether (rain, fog, snow etc.).
The distance from the vehicle ahead is not detected precisely if the whether condition is bad. Intelligent
Cruise Control is released automatically if the wipers are activated in low or high speed.
- The vehicle receives bright light (sunshine, etc.).
The distance from the vehicle ahead is not detected precisely if bright light enters into the vehicle sensor.
- Raindrops or the snow is on the sensor.
The distance from the vehicle ahead is not detected precisely if raindrops or the snow attaches on the sen-
sor.
- A steep downhill
The setting vehicle speed may exceed if Intelligent Cruise Control does not detect the vehicle ahead. The
brake may heat up in the vehicle-to-vehicle distance control mode.
- A repeated uphill and downhill
Intelligent Cruise Control may not detect the vehicle ahead precisely. An accident may occur by tailgating.
- Maintaining proper vehicle distance is difficult due to frequent acceleration/deceleration.
It may cause any accident because the driving speed does not fit to the road condition if keeping a proper
vehicle-to-vehicle distance is difficult.
- When entering in the highway interchange (swerving off the main
line)
Unexpected accident may cause if the vehicle ahead drives slower
than the preset vehicle speed. The vehicle-to-vehicle distance con-
trol mode accelerates automatically because the vehicle ahead is
not detected on the lane if the own vehicle or the vehicle ahead
changes the lane.
• Intelligent Cruise Control is not activated to the parking vehicles,
and vehicles driving extremely slower than the own vehicle. Never
hit the vehicle stopping at a tollgate, or the tail end of traffic jam.
• Intelligent Cruise Control is not activated to the vehicle edging way,
and non-vehicle objects (pedestrian, etc.).
• This function detects the reflector of the vehicle ahead. Intelligent Cruise Control may not detect the vehicle
ahead, therefore keep a proper vehicle-to-vehicle distance under the following conditions. Drive the vehicle
according to the driving condition.
- The vehicle ahead installs the reflector higher (trailer etc.).
- The rear of the vehicle ahead is extremely dirt.
- The vehicle ahead or vehicle on other lanes splashes water or snow on the road.
- The vehicle ahead provides dark exhaust gas. Smoke blocks the visibility.
- The vehicle ahead attaches film on the reflector. The vehicle ahead does not install the reflector. The reflec-
tor is broken.
- Extremely heavy load is on the rear seat, or in the trunk room.
- The vehicle drives on a repeated uphill and downhill
EL-2980D
CCS
NORMAL OPERATING CONDITION
CCS-101
< SYMPTOM DIAGNOSIS >
[INTELLIGENT CRUISE CONTROL]
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• The sensor detection distance is limited if the vehicle-to-vehicle
distance is close. The vehicle distance may not maintain properly
because the motorcycle (A) driving on the lane edge is not
detected or the detection of the vehicle ahead (cutting in the own
vehicle) delays.
• The sensor dirt is detected automatically. But it is not perfect. Dirt
is not judged despite the sensor is dirt. Dirt is not detected if the
snow or ice is on the sensor.
Keeping the vehicle-to-vehicle distance is difficult if the snow or ice
is on the sensor. Drive the vehicle safely. Always clean the sensor.
Intelligent Cruise Control is released automatically if dirt is
detected.
• The following conditions may occur depend on road shapes (curve and narrow road) and the vehicle condi-
tion (steering condition, driving lane position, malfunctions and accidents, etc.).
- A vehicle ahead may not be detected temporarily.
- The vehicle may be controlled by detecting a vehicle/object on the neighboring lane.
- The warning buzzer may sounds.
- The vehicle running ahead cannot be detected temporarily, therefore the vehicle may get too close.
PRECAUTIONS FOR CONVENTIONAL (FIXED SPEED) CRUISE CONTROL MODE
• Conventional cruise control mode does neither control the brake nor activate the warning.
Drive the vehicle safely. Keep a safe distance between vehicles by decreasing the vehicle speed according
to the driving condition etc.
• Never use the conventional cruise control mode under the following conditions.
- A heaving-trafficked road and a tight turn.
It may cause any accident because the driving speed does not fit to the road condition.
- A slippery road (e.g., freezing, or snowy road)
The vehicle may lose the control by wheel spin.
- A steep downhill
The engine brake does not work effectively on a steep downhill. Therefore, the preset vehicle speed may
exceed and cause any accident.
JSOIA0050ZZ
CCS-102
< PRECAUTION >
[INTELLIGENT CRUISE CONTROL]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000003737078
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the “SRS AIRBAG” and “SEAT BELT” of this
Service Manual.
WARNING:
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the “SRS AIRBAG”.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
ICC System Service
INFOID:0000000003130140
• Do not look straight into the laser beam discharger when adjusting laser beam aiming.
• Turn the MAIN switch OFF in conditions similar to driving, such as free rollers or a chassis dynamometer.
• Do not use the ICC sensor integrated unit removing from vehicle. Never disassemble and remodel.
• Erase DTC when replacing parts of ICC system, then check the operation of ICC system after adjusting laser
beam aiming if necessary.
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