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
-
When driving on slippery road
-
During cornering at high speed
-
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:
Diagnosis system (BCM)
Common item
Common item : consult function (bcm -
common item)
Application item
Consult performs the following functions via can communication with bcm.
Direct diagnostic mode
Description
ECU identification
The bcm part number is displayed.
Self Diagnostic Result
...
Service
Never use electrical test equipment to check SRS circuits unless
instructed to in this Service Manual.
Before servicing the SRS, turn power switch OFF, disconnect battery
negative terminal and wait 3 minutes
or more.
For approximately 3 minutes after the cables are removed, it is stil ...
Battery
Keep the battery surface clean and dry.
Clean the battery with a solution of baking
soda and water.
Make certain the terminal connections are
clean and securely tightened.
If the vehicle is not to be used for 30 days or
longer, disconnect the negative (-) battery
terminal cable to p ...
