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 traction motor 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 READY status [at approx. 10 km/h (6.2 MPH) or higher]


Diagnosis Procedure


1. SYMPTOM CHECK 1

Check that there are pedal vibrations when the vehicle to READY.
Do vibrations occur?
YES- GO TO 2.
NO- Check brake pedal. Refer to "Inspection and Adjustment" Adjustments.

2. SYMPTOM CHECK 2

Check that motor noise from ABS actuator and electric unit (control unit) occurs when the vehicle to READY.
Does the operation sound occur?
YES- GO TO 3.
NO- GO TO 4.

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- GO TO 4.

4. PERFORM SELF-DIAGNOSIS

With CONSULT
1.Turn the power switch OFF ON.

CAUTION:
- Be sure to wait of 10 seconds after turning power switch OFF or ON.
- Set the vehicle to READY.
2.Repeat step 1 two or more times.
3.Perform self-diagnosis for "ABS".
Is any DTC detected?
YES- Check the DTC.
NO- INSPECTION END