Nissan Juke Service and Repair Manual : Brake pedal vibration or operation sound occurs

Description

Brake pedal vibrates and motor sound from ABS actuator and electric unit (control unit) occurs, when the engine starts.

Brake pedal vibrates during braking.

CAUTION:
Vibration may be felt during brake pedal is lightly depressed (just placing a foot on it) in the following conditions. This is normal.

When shifting gears
When driving on slippery road During cornering at high speed When passing over bumps or grooves [Approx. 50 mm (1.97 in) or more] When pulling away just after starting engine [at approx. 10 km/h (6.2 MPH) or higher]

Diagnosis Procedure

1.SYMPTOM CHECK 1

Check that there are pedal vibrations when the engine is started.

Do vibrations occur? YES >> GO TO 2.

NO >> Check brake pedal.

LHD: Refer to BR-22, "Inspection and Adjustment".

RHD: Refer to BR-90, "Inspection and Adjustment".

2.SYMPTOM CHECK 2

Check that motor noise from ABS actuator and electric unit (control unit) occurs when the engine starts.

Does the operation sound occur? YES >> GO TO 3.

NO >> Perform self-diagnosis for ABS with CONSULT-III.

3.SYMPTOM CHECK 3

Check symptoms when electrical component (headlamps, etc.) switches are operated.

Does the symptom occur? YES >> Check that radio (including wiring), antenna and antenna lead-in wires are not located near ABS actuator and electric unit (control unit). Move them if they are located near ABS actuator and electric unit (control unit).

NO >> Normal

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