Nissan Sentra Service Manual: Pedal vibration or abs operation sound occurs
Diagnosis Procedure
CAUTION:
-
Under the following conditions, ABS is activated and vibration is felt when brake pedal is lightly depressed (just place a foot on it). However, this is normal.
-
When shifting gears
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When driving on slippery road
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During cornering at high speed
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When passing over bumps or grooves [approximately 50 mm (1.97 in) or more]
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When pulling away just after starting engine [at approximately 10 km/h (6 MPH) or higher]
1.SYMPTOM CHECK 1
Check that there are pedal vibrations when the engine is started.
Do symptoms occur? YES >> GO TO 2
NO >> Inspect the brake pedal.
2.SYMPTOM CHECK 2
Check that there are ABS operation noises when the engine is started.
Do symptoms occur? YES >> GO TO 3
NO >> Perform self diagnostic result. Refer to BRC-31, "CONSULT Function (ABS)".
3.SYMPTOM CHECK 3
Check symptoms when electrical component (headlamps, etc.) switches are operated.
Do symptoms occur? YES >> Check if there is a radio, antenna, antenna lead wire, or wiring close to the control unit. If there is, move it farther away.
NO >> Inspection End.
ABS function does not operate
Diagnosis Procedure
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 i ...
Vehicle jerks during vdc/tcs/abs
control
Diagnosis Procedure
1.SYMPTOM CHECK
Check if the vehicle jerks during VDC/TCS/ABS control.
Is the inspection result normal?
YES >> Inspection End.
NO >> GO TO 2
2.CHECK SELF DIAG ...
Other materials:
P0448 EVAP Canister vent control valve
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0448
VENT CONTROL VALVE
(Evaporative emission system
vent control circuit shorted)
EVAP canister vent control valve remains
clos ...
Wiring diagram
Sport mode system
Wiring diagram
...
Precaution
Precaution for supplemental restraint system (srs)
"air bag" and "seat belt pre-tensioner"
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 injur ...
