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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