5. Pedal Vibration and Noise
SYMPTOM: 05 - Pedal Vibration and Noise1. INSPECTION (1)
Check brake system for pedal vibration or noise at engine start.
Is inspection result OK?
OK >> Perform self-diagnosis.
NG >> GO TO 2.
2. INSPECTION (2)
Check for vibration during soft braking (just placing foot on pedal).
CAUTION: ABS may activate in conditions such as those listed below, when wheel speed changes.
- Gear shifting
- Turning at high speed
- Passing through gusts of wind.
Is inspection result OK?
OK >> GO TO 3.
NG >> Normal.
3. INSPECTION (3)
Does vibration occur during normal braking?
CAUTION: In addition to activation for sudden braking, ABS may activate in conditions such as those listed below.
- Roads with low friction coefficients
- Turning at high speed
- Passing through gusts of wind.
Is inspection result OK?
OK >> GO TO 4.
NG >> Normal.
4. INSPECTION (4)
Check for vibration when engine speed is increased while vehicle is stopped.
Is inspection result OK?
OK >> GO TO 5.
NG >> Normal.
CAUTION: Vibration may occur when vehicle is stopped.
5. INSPECTION (5)
Check for vibration when switches of electrical components are operated.
Is inspection result OK?
OK >> Check for any wireless devices, antennas, or antenna lead near ABS actuator and electric unit (control unit) (including wiring) or CAN-LAN converter (CLC).
NG >> GO TO 6.
6. CHECKING ABS WARNING LAMP INDICATION
Confirm ABS warning lamp turns on.
Is inspection result OK?
OK >> Perform self-diagnosis.
NG >> GO TO 7.
7. CHECKING WHEEL SENSORS
Inspect wheel sensor system.
- Sensor mounting inspection
- Sensor pick-up inspection for iron chips (e.g. Number of teeth, damaged teeth)
- Sensor connector engagement inspection.
Inspection of wheel sensor circuit
Is inspection result OK?
OK >> Normal.
NG >> Repair wheel sensor and rotor system.