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![INFINITI QX56 2010 Factory Service Manual AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)AV-33
< FUNCTION DIAGNOSIS > [AUDIO SYSTEM]
C
D
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Sp ea ke r Tes t
Select “Speaker Test” to display the speaker diagnosis screen. Press](/img/42/57032/w960_57032-229.png "INFINITI QX56 2010 Factory Service Manual AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)AV-33
< FUNCTION DIAGNOSIS > [AUDIO SYSTEM]
C
D
E
F
G H
I
J
K L
M B A
O P
Sp ea ke r Tes t
Select “Speaker Test” to display the speaker diagnosis screen. Press")
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)AV-33
< FUNCTION DIAGNOSIS > [AUDIO SYSTEM]
C
D
E
F
G H
I
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K L
M B A
O P
Sp ea ke r Tes t
Select “Speaker Test” to display the speaker diagnosis screen. Press
“Start” to generate a test tone in speakers. Touch “End” to stop the
test tones.
Navigation
STEERING ANGLE ADJUSTMENT
Adjustment of the steering angle output value detected by the gyro-
scope.
SPEED CALIBRATION
During normal driving, distance error caused by tire wear and tire
pressure change is automatically adj
usted for by the automatic dis-
tance correction function. This function, on the other hand, is for
immediate adjustment, in cases such as driving with tire chain fitted
on tires.
Diagnosis item Dis-
play Vehicle status
Remarks
Vehicle speed ON Vehicle speed > 0 km/h
Changes in indication may be delayed by approxi-
mately 1.5 seconds. This is normal.
OFF Vehicle speed = 0 km/h
− Ignition switch in ACC position
Parking brake ON Parking brake is applied.
OFF Parking brake is released.
Lights ON Light switch ON
Block the light beam from the auto light optical sensor.
OFF Light switch OFF
Ignition ON Ignition switch ON
—
OFF Ignition switch in ACC position
Reverse ON Selector lever in R position
Changes in indication may be delayed by approxi-
mately 1.5 seconds. This is normal.
OFF Selector lever in any position other
than R
− Ignition switch in ACC position
ALNIA0221GB
ALNIA0223GB
ALNIA0224GB
Revision: April 20092010 QX56
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![INFINITI QX56 2010 Factory Service Manual AV-160
< SYMPTOM DIAGNOSIS >[AUDIO SYSTEM]
NORMAL OPERATING CONDITION
Voice Guide
Route Search
Automatic route searching is not
possible.Vehicle is driving on a highway (gray route), or no
recommend](/img/42/57032/w960_57032-356.png "INFINITI QX56 2010 Factory Service Manual AV-160
< SYMPTOM DIAGNOSIS >[AUDIO SYSTEM]
NORMAL OPERATING CONDITION
Voice Guide
Route Search
Automatic route searching is not
possible.Vehicle is driving on a highway (gray route), or no
recommend")
AV-160
< SYMPTOM DIAGNOSIS >[AUDIO SYSTEM]
NORMAL OPERATING CONDITION
Voice Guide
Route Search
Automatic route searching is not
possible.Vehicle is driving on a highway (gray route), or no
recommended route is available. Drive on a road to be searched. Or re–search
the route manually. In this case, however, the
whole route will be searched.
Performed automatic detour
search (or detour search). Howev-
er, the result is the same as that of
the previous search. Performed search with every conditions consid-
ered. However, the result is the same as that of the
previous search.
System is not malfunctioning.
Passing points cannot be set. More than five passing points were set. Passing points can be set up to five. To stop
at more than five points, perform sharing in
several steps.
When setting the route, the starting
point cannot be selected. The current vehicle location is always set as the
starting point of a route. System is not malfunctioning.
Some menu items cannot be se-
lected. The vehicle is being driven.
Stop the vehicle at a safe place and then op-
erate the system.
Symptom
Cause Remedy
SymptomCause Remedy
Voice guide will not operate. Note: Voice guide is only available at intersections that satisfy certain conditions (indicated by z on
the map). Therefore, guidance may not be given
even when the route on the map changes direction. System is not malfunctioning.
The vehicle is not on the recommended route. Return to the recommended route or re- search the route.
Voice guide is turned OFF. Turn voice guide ON.
Route guide is turned OFF. Turn route guide ON.
Voice guide does not match the ac-
tual road pattern. Voice guide may vary with the direction to which
the vehicle is turn and the connection of the road to
other roads. Drive in conformity to the actual traffic rules.
Symptom
Cause Remedy
No route is shown. No road to be searched is found around the des-
tination. Find wider road (orange road or wider) near-
by and reset the destination and passing
points onto it. Take care of the traveling direc-
tion when there are separate up and down
roads.
Starting point and the destination are too close. Set the destination at more distant point.
Conditional traffic regulation (day of the week/
time of the day) is set at the area around the cur-
rent location or the destination. Turn the time-regulating search conditions
OFF. Turn “Avoid re
gulation time” in the
search conditions OFF.
Indicated route is intermittent. In some areas, highways (gray routes) are not used for the search
(Note)Therefore, the route to
the current location or the passing points may be
intermittent. System is not malfunctioning.
When the vehicle has passed the
recommended route, it is deleted
from the screen. A recommended route is controlled by each sec-
tion. When the vehicle has passed the passing
point 1, then the map data from the starting point
up to the passing point 1 will be deleted. (The data
may remain undeleted in some area.) System is not malfunctioning.
Revision: April 20092010 QX56
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![INFINITI QX56 2010 Factory Service Manual AV-164
< SYMPTOM DIAGNOSIS >[AUDIO SYSTEM]
NORMAL OPERATING CONDITION
Location Correction by Map-Matching is Slow
• The map-matching function needs to refer to the data of the surrounding area. It i](/img/42/57032/w960_57032-360.png "INFINITI QX56 2010 Factory Service Manual AV-164
< SYMPTOM DIAGNOSIS >[AUDIO SYSTEM]
NORMAL OPERATING CONDITION
Location Correction by Map-Matching is Slow
• The map-matching function needs to refer to the data of the surrounding area. It i")
AV-164
< SYMPTOM DIAGNOSIS >[AUDIO SYSTEM]
NORMAL OPERATING CONDITION
Location Correction by Map-Matching is Slow
• The map-matching function needs to refer to the data of the surrounding area. It is necessary to drive some
distance for the function to work.
• Because map-matching operates on this principle, when there are many roads running in similar directions
in the surrounding area, no matching determination ma y be made. The location may not be corrected until
some special feature is found.
Name of Road is Not Displayed
The current road name may not be displayed if there are no road names displayed on the map screen.
Contents of Display Differ for Bi rdview™ and the (Flat) Map Screen
Difference of the BIRDVIEW™ screen from the flat map screen are as follows.
• The current place name displays names which are primarily in the direction of vehicle travel.
• The amount of time before the vehicle travel or turn angle is updated on the screen is longer than for the
(flat) map display.
• The conditions for display of place names, roads, and other data are different for nearby areas and for more
distant areas.
• Some thinning of the character data is done to prevent the display becoming too complex. In some cases
and in some locations, the display contents may differ.
• The same place name, street name, et c. may be displayed multiple times.
Vehicle Mark Shows a Position Which is Completely Wrong
In the following cases, the vehicle mark may appear on completely different position in the map depending on
the GPS satellite signal receiving conditions. In this case, perform location correction and direction correction.
• When location correction has not been done
- If the receiving conditions of the GPS satellite signal is poor, if the vehicle mark becomes out of place, it may
move to a completely different location and not come back if location correction is not done. The position will
be corrected if the GPS signal can be received.
• When the vehicle has traveled by ferry, or when the vehicle has been being towed
Precautions
for driving Just after the engine is started
If the vehicle is driven just after the engine
is started when the gyroscope (angular
speed sensor) correction is not completed,
the vehicle can lose its direction and may
have deviated from the correct location. Wait for a short while before
driving after starting the engine.
Continuous driving without stopping When driving long distances without stop- ping, direction errors may accumulate, and
the current-location mark may deviate from
the correct road. Stop and adjust the orientation.
Abusive driving Spinning the wheels or engaging in other
kinds of abusive driving may result in the
system being unable perform correct detec-
tion, and may cause the vehicle mark to de-
viate from the correct road. If after travelling about 10 km (6
miles) the correct location has
not been restored, perform lo-
cation correction and, if neces-
sary, direction correction.
How to cor-
rect location Position correction accuracy
If the accuracy of location settings is poor,
accuracy may be reduced when the correct
road cannot be found, particularly in places
where there are many roads. Enter in the road displayed on
the screen with an accuracy of
approx. 1mm.
Caution: Whenever possible,
use detailed map for the correc-
tion.
Direction when location is corrected
If the accuracy of location settings during
correction is poor, accuracy may be re-
duced afterwards. Perform direction correction.
Cause (condition) –: While driving ooo: Display
Driving conditionRemarks (correction, etc.)
SEL701V
SEL702V
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![INFINITI QX56 2010 Factory Service Manual BCS-14
< FUNCTION DIAGNOSIS >[BCM]
POWER CONSUMPTION CONTROL SYSTEM
Sleep condition
Wake-up operation
• BCM transmits sleep wake up signal (wake up) to each unit when any condition listed below is e](/img/42/57032/w960_57032-399.png "INFINITI QX56 2010 Factory Service Manual BCS-14
< FUNCTION DIAGNOSIS >[BCM]
POWER CONSUMPTION CONTROL SYSTEM
Sleep condition
Wake-up operation
• BCM transmits sleep wake up signal (wake up) to each unit when any condition listed below is e")
BCS-14
< FUNCTION DIAGNOSIS >[BCM]
POWER CONSUMPTION CONTROL SYSTEM
Sleep condition
Wake-up operation
• BCM transmits sleep wake up signal (wake up) to each unit when any condition listed below is established,
and then goes into normal mode from low power consumption mode.
• Each unit starts transmissions with CAN communication by receiving sleep wake up signals. Each unit trans- mits wake up signals to BCM with CAN communication to convey the start of CAN communication.
Wake-up condition
CAN sleep condition BCM sleep condition
• Receiving the sleep-ready signal (ready) from all units
• Ignition switch: OFF
• Vehicle security system alarm: No operation
• Warning lamp: No operation
• Warning chime: No operation
• Stop lamp switch: OFF
• Key switch status: No change for 2 seconds
• Hazard warning lamp: No operation
•Exterior lamp: OFF
• Door lock status: No change for 2 seconds
• CONSULT-III communication status: No communication
• Door switch status: No change for 2 seconds The controls only BCM are completed.
(Interior room lamp battery saver: Time out etc.)
BCM wake-up condition
• Ignition switch: OFF → ACC or ON
• Stop lamp switch: ON (Depress brake pedal)
• Any door switch: OFF → ON
• Lighting switch: OFF → 1ST or PASS
• Hazard switch: OFF → ON
• Back door opener switch OFF → ON
• Remote keyless entry receiver: Receiving
• Intelligent Key unit: Receiving
Revision: April 20092010 QX56
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BR-10
< BASIC INSPECTION >
BRAKE BOOSTER
BRAKE BOOSTER
InspectionINFOID:0000000005147894
OPERATION
With engine stopped, change vacuum to atmospheric pressure by
depressing brake pedal several times. Then with brake pedal fully
depressed, start engine and when vacuum pressure reaches the
standard, make sure that clearance between brake pedal and floor
panel decreases.
AIR TIGHT
• Run engine at idle for approximately 1 minute, and stop it afterapplying vacuum to booster. Depress brake pedal normally to
change vacuum to atmospheric pressure. Make sure that distance
at intervals of 5 seconds between brake pedal and floor panel
gradually increases.
• Depress brake pedal while engine is running, and stop engine with pedal depressed. The pedal stroke should not change after holding pedal down for 30 seconds.
BRA0037D
SBR365AA
Revision: April 20092010 QX56
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BR-16
< ON-VEHICLE MAINTENANCE >
BRAKE PEDAL
2. Loosen lock nut (A) on the input rod, then turn input rod to adjustthe brake pedal to the specified height. When finished adjusting,
tighten the lock nut (A) to specification.
CAUTION:
Make sure that the screw portion of the end of input rod is
located inside the clevis.
3. With the brake pedal pulled up and held by hand, press the stop lamp switch and the ASCD cancel switch in until the threaded
ends contact the brake pedal bracket.
4. With the threaded ends of the stop lamp switch and ASCD switch contacting the pedal bracket, turn the switches 45 ° clock-
wise to lock in place. Check that the stop lamp switch and ASCD
cancel switch threaded end to brake pedal bracket gap (C) is
within specifications.
CAUTION:
Make sure that the gap (C) between the brake pedal bracket
and stop lamp switch and ASCD cancel switch threaded
ends are within specification.
5. Check the brake pedal for smooth operation. CAUTION:
Make sure that the stop lamp goes off when the brake pedal
is released.
6. Start the engine and check the height of the brake pedal when depressing it. Lock nut (A) : 18.7 N·m (1.9 kg-m, 14 ft-lb)
PFIA0436E
Revision: April 20092010 QX56
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![INFINITI QX56 2010 Factory Service Manual INSPECTION AND ADJUSTMENTBRC-9
< BASIC INSPECTION > [VDC/TCS/ABS]
C
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BRC
N
O P
>> GO TO 2
2.PERFORM THE NEUTRAL POSITION ADJUST MENT FOR THE STEERING ANGLE SENSOR
1. On the CONSUL](/img/42/57032/w960_57032-500.png "INFINITI QX56 2010 Factory Service Manual INSPECTION AND ADJUSTMENTBRC-9
< BASIC INSPECTION > [VDC/TCS/ABS]
C
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M A
B
BRC
N
O P
>> GO TO 2
2.PERFORM THE NEUTRAL POSITION ADJUST MENT FOR THE STEERING ANGLE SENSOR
1. On the CONSUL")
INSPECTION AND ADJUSTMENTBRC-9
< BASIC INSPECTION > [VDC/TCS/ABS]
C
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BRC
N
O P
>> GO TO 2
2.PERFORM THE NEUTRAL POSITION ADJUST MENT FOR THE STEERING ANGLE SENSOR
1. On the CONSULT-III screen, touch “WORK SUPP ORT” and “ST ANG SEN ADJUSTMENT” in order.
2. Touch “START”. CAUTION:
Do not touch steering wheel whil e adjusting steering angle sensor.
3. After approximately 10 seconds, touch “END”. NOTE:
After approximately 60 seconds, it ends automatically.
4. Turn ignition switch OFF, then turn it ON again. CAUTION:
Be sure to perform above operation.
>> GO TO 3
3.CHECK DATA MONITOR
1. Run vehicle with front wheels in straight-ahead position, then stop.
2. Select “DATA MONITOR”. Then make sure “STR ANGLE SIG” is within 0 ±2.5 °.
Is the steering angle within the specified range?
YES >> GO TO 4
NO >> Perform the neutral position adjustment fo r the steering angle sensor again, GO TO 1
4.ERASE THE SELF-DIAGNOSIS MEMORY
Erase the self-diagnosis memory of the ABS ac tuator and electric unit (control unit) and ECM.
• ABS actuator and electric unit (control unit): Refer to BRC-23, "
CONSULT-III Function (ABS)".
• ECM: Refer to EC-63, "
CONSULT-III Function (ENGINE)".
Are the memories erased?
YES >> Inspection End
NO >> Check the items indica ted by the self-diagnosis.
CALIBRATION OF DECEL G SENSOR
CALIBRATION OF DECEL G SENSOR : DescriptionINFOID:0000000005147944
Refer to the table below to determine if calibration of the decel G sensor is required.
×: Required –: Not required
CALIBRATION OF DECEL G SENSOR : Special Repair RequirementINFOID:0000000005147945
CALIBRATION OF DECEL G SENSOR
CAUTION:
To calibrate the decel G sensor, make sure to use CONSULT-III
Situation Calibration of decel G sensor
Removing/Insta lling ABS actuator and electr ic unit (control unit) —
Replacing ABS actuator and elec tric unit (control unit) ×
Removing/Installing steering angle sensor ×
Replacing steering angle sensor ×
Removing/Installing steering components ×
Replacing steering components ×
Removing/Installing suspension components ×
Replacing suspension components ×
Change tires to new ones —
Tire rotation —
Adjusting wheel alignment ×
Revision: April 20092010 QX56
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![INFINITI QX56 2010 Factory Service Manual BRC-10
< BASIC INSPECTION >[VDC/TCS/ABS]
INSPECTION AND ADJUSTMENT
(Calibration cannot be
done without CONSULT-III)
1.ALIGN THE VEHICLE STATUS
Stop vehicle with front wheels in straight-ahead positio](/img/42/57032/w960_57032-501.png "INFINITI QX56 2010 Factory Service Manual BRC-10
< BASIC INSPECTION >[VDC/TCS/ABS]
INSPECTION AND ADJUSTMENT
(Calibration cannot be
done without CONSULT-III)
1.ALIGN THE VEHICLE STATUS
Stop vehicle with front wheels in straight-ahead positio")
BRC-10
< BASIC INSPECTION >[VDC/TCS/ABS]
INSPECTION AND ADJUSTMENT
(Calibration cannot be
done without CONSULT-III)
1.ALIGN THE VEHICLE STATUS
Stop vehicle with front wheels in straight-ahead position.
>> GO TO 2
2.PERFORM CALIBRATION OF DECEL G SENSOR
1. On the CONSULT-III screen, touch “WORK SUPPORT” and “DECEL G SEN CALIBRATION” in order.
2. Touch “START”.
3. After approximately 10 seconds, touch “END”. NOTE:
After approximately 60 seconds, it ends automatically.
4. Turn ignition switch OFF, then turn it ON again.
CAUTION:
Be sure to perform above operation.
>> GO TO 3
3.CHECK DATA MONITOR
1. Run vehicle with front wheels in straight-ahead position, then stop.
2. Select “DATA MONITOR”. Then make sure “DECEL G SEN” is within ± 0.08G.
Is the inspection result normal?
YES >> GO TO 4
NO >> Perform calibration of decel G sensor again, GO TO 1
4.ERASE THE SELF-DIAGNOSIS MEMORY
Erase the self-diagnosis memory of the ABS ac tuator and electric unit (control unit) and ECM.
• ABS actuator and electric unit (control unit): Refer to BRC-23, "
CONSULT-III Function (ABS)".
• ECM: Refer to EC-63, "
CONSULT-III Function (ENGINE)".
Are the memories erased?
YES >> Inspection End
NO >> Check the items indicated by the self-diagnosis.
Revision: April 20092010 QX56
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![INFINITI QX56 2010 Factory Service Manual BRC-26
< FUNCTION DIAGNOSIS >[VDC/TCS/ABS]
DIAGNOSIS SYSTEM [
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]
×: Applicable
–: Not applicable
ACTIVE TEST MODE
CAUTION:
• Do not perform active tes](/img/42/57032/w960_57032-517.png "INFINITI QX56 2010 Factory Service Manual BRC-26
< FUNCTION DIAGNOSIS >[VDC/TCS/ABS]
DIAGNOSIS SYSTEM [
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]
×: Applicable
–: Not applicable
ACTIVE TEST MODE
CAUTION:
• Do not perform active tes")
BRC-26
< FUNCTION DIAGNOSIS >[VDC/TCS/ABS]
DIAGNOSIS SYSTEM [
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]
×: Applicable
–: Not applicable
ACTIVE TEST MODE
CAUTION:
• Do not perform active test while driving vehicle.
• Make sure to completely bleed air from brake system.
• The active test cannot be performed with the ABS warning lamp, VDC OFF indicator lamp, SLIP indi-
cator lamp or brake warning lamp on.
• ABS warning lamp, VDC OFF indicator lamp, SLIP indicator lamp and brake warning lamp are on
during active test.
NOTE:
• When active test is performed while depressing the pedal, the pedal depression amount will change. This is
normal. (Only solenoid valve and ABS motor.)
• “TEST IS STOPPED” is displayed 10 seconds after operation start.
• After “TEST IS STOPPED” is display ed, to perform test again, touch BACK.
Test Item
SOLENOID VALVE• When performing an active test of the ABS function, select the “MAIN SIGNAL S” for each test item.
• For ABS solenoid valve, touch “Up”, “Keep”, and “D own” on the display screen. For ABS solenoid valve
(ACT), touch “Up”, “ACT UP”, “ACT KEEP” and confirm that solenoid valves operate as shown in the table
below.
RELEASE SW NC
(On/Off) ––
×Release switch signal (On/Off) status is displayed.
“Off” indicates that the brake pedal is depressed. “On”
indicates that the brake pedal is released.
OHB FAIL
(On/Off) ––
×OHB fail status is displayed.
HBA FAIL
(On/Off) ––
×HBA fail status is displayed.
OHB SIG
(On/Off) ––
×OHB operation (On/Off) status is displayed.
HBA SIG
(On/Off) ––
×HBA operation (On/Off) status is displayed.
STP OFF RLY
(On/Off) ––
×Stop lamp relay signal (On/Off) status is displayed.
Item
(Unit) Data monitor item selection
Remarks
ECU INPUT
SIGNALS MAIN
SIGNALS SELECTION
FROM MENU
Operation ABS solenoid valve ABS solenoid valve (ACT)
Up Keep Down Up ACT UP ACT KEEP
FR RH SOL FR RH IN SOL Off On On — —
—
FR RH OUT SOL Off Off On* — — —
FR LH SOL FR LH IN SOL Off On On — —
—
FR LH OUT SOL Off Off On* — — —
RR RH SOL RR RH IN SOL Off On On — —
—
RR RH OUT SOL Off Off On* — — —
RR LH SOL RR LH IN SOL Off On On — —
—
RR LH OUT SOL Off Off On* — — —
FR RH ABS SOLENOID (ACT) FR RH IN SOL — — — Off Off Off
FR RH OUT SOL — — — Off Off Off
CV1 ———OffOnOn
SV1
— — — Off On* Off
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![INFINITI QX56 2010 Factory Service Manual BRC-102
< SYMPTOM DIAGNOSIS >[VDC/TCS/ABS]
VDC/TCS/ABS
SYMPTOM DIAGNOSIS
VDC/TCS/ABS
Symptom TableINFOID:0000000005148085
If ABS warning lamp, VDC OFF indicator lamp and SLIP indicator lamp turn ON, p](/img/42/57032/w960_57032-593.png "INFINITI QX56 2010 Factory Service Manual BRC-102
< SYMPTOM DIAGNOSIS >[VDC/TCS/ABS]
VDC/TCS/ABS
SYMPTOM DIAGNOSIS
VDC/TCS/ABS
Symptom TableINFOID:0000000005148085
If ABS warning lamp, VDC OFF indicator lamp and SLIP indicator lamp turn ON, p")
BRC-102
< SYMPTOM DIAGNOSIS >[VDC/TCS/ABS]
VDC/TCS/ABS
SYMPTOM DIAGNOSIS
VDC/TCS/ABS
Symptom TableINFOID:0000000005148085
If ABS warning lamp, VDC OFF indicator lamp and SLIP indicator lamp turn ON, perform self-diagnosis.
NOTE:
• 1: The ABS does not operate when the speed is 10 km/h (6 MPH) or less.
• 2: Under the following conditions, ABS is activated and vibration is felt when brake pedal is lightly depressed. However, this
is normal.
- When shifting gears
- When driving on slippery road
- During cornering at high speed
- When passing over bumps or grooves [at approximately 50 mm (1.97 in) or more]
- When pulling away just after starting engine [at approximately 10 km/h (6 MPH) or higher] Symptom
Check itemReference
Excessive ABS function operation fre-
quency Brake force distribution
BRC-103, "
Diag-
nosis Procedure"Looseness of front and rear axle
Wheel sensor and rotor system
Unexpected pedal reaction Brake pedal stroke
BRC-104, "
Diag-
nosis Procedure"Make sure the braking force is sufficient when the ABS is not operating.
The braking distance is long Check stopping distance when the ABS is not operating. BRC-105, "
Diag-
nosis Procedure"
ABS function does not operate (Note 1) ABS actuator and electric
unit (control unit)BRC-106, "Diag-
nosis Procedure"
Pedal vibration or ABS operation sound
occurs (Note 2)Brake pedal
BRC-107, "Diag-
nosis Procedure"ABS actuator and electric unit (control unit)
Vehicle jerks during VDC/TCS/ABS con-
trol ABS actuator and electric unit (control unit)
BRC-108, "
Diag-
nosis Procedure"TCM
ECM
Revision: April 20092010 QX56