Brake Pedal Vibration Or Operation Sound Occurs

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. 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