ABS

UNEXPECTED PEDAL REACTION


Diagnosis Procedure

1.CHECK BRAKE PEDAL STROKE
Check brake pedal stroke. Refer to System Description.
Is the stroke too big?
YES - Bleed air from brake tube and hose. Refer to Service and Repair.
- Check brake pedal, brake booster, and master cylinder for mount play, looseness, brake system fluid leakage, etc. Refer to brake pedal: Specifications, brake booster and master cylinder: Specifications.
NO - GO TO 2
2.CHECK FUNCTION
Disconnect ABS actuator and electric unit (control unit) connector to deactivate ABS. Check if braking force is normal in this condition.Connect connector after inspection.
Is the inspection result normal?
YES - GO TO procedure 3 "CHECK WHEEL SENSOR AND SENSOR ROTOR" of symptom 1. Refer to ABS.
NO - Check brake system.