Symptom Table

If ABS warning lamp, VDC OFF indicator lamp and SLIP indicator lamp turn ON, perform self-diagnosis.

SYMPTOM CHART

Symptom

Check item

Reference

Excessive ABS function operation frequency

Brake force distribution

Looseness of front and rear axle

Wheel sensor and rotor system

Unexpected pedal reaction

Brake pedal stroke

Make sure the braking force is sufficient when the ABS is not operating.

The braking distance is long

Check stopping distance when the ABS is not operating.

ABS function does not operate (⁽¹⁾))

ABS actuator and electric unit (control unit)

Pedal vibration or ABS operation sound occurs (⁽²⁾))

Brake pedal

ABS actuator and electric unit (control unit)

Vehicle jerks during VDC/TCS/ABS control

ABS actuator and electric unit (control unit)

TCM

ECM

⁽¹⁾	The ABS does not operate when the speed is 10 km/h (6 MPH) or less.

⁽²⁾	Under the following conditions, ABS is activated and vibration is felt when brake pedal is lightly depressed. However, this is normal.

NOTE:

When shifting gears
When driving on slippery road
During cornering at high speed
When passing over bumps or grooves [at approximately 50 mm (1.97 in) or more]
When pulling away just after starting engine [at approximately 10 km/h (6 MPH) or higher]