Nissan Qashqai (2007-2010). Manual — part 741
BRC-162
< SYMPTOM DIAGNOSIS >
[ESP/TCS/ABS]
EXCESSIVE ABS FUNCTION OPERATION FREQUENCY
SYMPTOM DIAGNOSIS
EXCESSIVE ABS FUNCTION OPERATION FREQUENCY
Diagnosis Procedure
INFOID:0000000000924921
1.
CHECK START
Check front and rear brake force distribution using a brake tester. Refer to
BR-46, "General Specifications"
(LHD models),
BR-90, "General Specifications"
(RHD models).
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Check brake system.
2.
CHECK FRONT AND REAR AXLE
Make sure that there is no excessive play in the front and rear axles.
• Front:
(2WD models),
• Rear:
(2WD models),
(4WD models)
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace malfunctioning components.
3.
CHECK WHEEL SENSOR AND SENSOR ROTOR
Check the following.
• Wheel sensor installation for damage.
• Sensor rotor installation for damage.
• Wheel sensor connector connection.
• Wheel sensor harness inspection.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> • Replace wheel sensor or sensor rotor.
• Repair harness.
4.
CHECK ABS WARNING LAMP DISPLAY
Make sure that the ABS warning lamp is turned off after the ignition switch is turned ON or when driving.
Is the ABS warning lamp illuminated?
YES
>> Perform self-diagnosis. Refer to
BRC-96, "CONSULT-III Function (ABS)"
.
NO
>> INSPECTION END
UNEXPECTED PEDAL REACTION
BRC-163
< SYMPTOM DIAGNOSIS >
[ESP/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
UNEXPECTED PEDAL REACTION
Diagnosis Procedure
INFOID:0000000000924922
1.
CHECK BRAKE PEDAL STROKE
Check brake pedal stroke. Refer to
BR-8, "Inspection and Adjustment"
(LHD models),
(RHD models).
Is the stroke too large?
YES
>> • Bleed air from brake tube and hose. Refer to
BR-12, "Bleeding Brake System"
(LHD models),
BR-56, "Bleeding Brake System"
(RHD models).
• Check brake pedal, brake booster, and master cylinder for mount play, looseness, brake system
fluid leakage, etc.
- Brake pedal:
(LHD models),
(RHD models).
(LHD models),
(RHD models).
- Brake master cylinder:
(LHD models),
(RHD
models).
- Brake fluid:
(LHD models),
(RHD models).
NO
>> GO TO 2.
2.
CHECK FUNCTION
Disconnect ABS actuator and electric unit (control unit) connector to deactivate ABS. Check if braking force is
normal in this condition. Connect connector after inspection.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Check brake system.
BRC-164
< SYMPTOM DIAGNOSIS >
[ESP/TCS/ABS]
THE BRAKING DISTANCE IS LONG
THE BRAKING DISTANCE IS LONG
Diagnosis Procedure
INFOID:0000000000924923
CAUTION:
The stopping distance on slippery road surfaces might be longer with the ABS operating than when
the ABS is not operating.
1.
CHECK FUNCTION
Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector to deactivate
ABS. In this condition, check stopping distance. After inspection, connect connector.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Check brake system.
ABS FUNCTION DOES NOT OPERATE
BRC-165
< SYMPTOM DIAGNOSIS >
[ESP/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
ABS FUNCTION DOES NOT OPERATE
Diagnosis Procedure
INFOID:0000000000924924
CAUTION:
ABS does not operate when speed is 10 km/h (6 MPH) or lower.
1.
CHECK ABS WARNING LAMP DISPLAY
Make sure that the ABS warning lamp turns OFF after ignition switch is turned ON or when driving.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Perform self-diagnosis. Refer to
BRC-96, "CONSULT-III Function (ABS)"
.
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