Symptom 1 Excessive ABS Function Operation Frequency

Check front and rear brake force distribution using a brake tester. Refer to "SERVICE DATA AND SPECIFICATIONS (SDS) ".

OK or NG 

OK: GO TO 2.

NG: Check brake system.

Make sure that there is no excessive play in the front and rear axles. Refer to front: "WHEEL BEARING INSPECTION ", Rear: "WHEEL BEARING INSPECTION ".

OK or NG 

OK: GO TO 3.

NG: Repair or replace malfunctioning components.

Check the following.

• Wheel sensor installation for damage.
• Sensor rotor installation for damage.
• Wheel sensor connector connection.
• Wheel sensor harness inspection.

OK or NG 

OK: GO TO 4.

NG:

• Replace wheel sensor or sensor rotor.
• Repair harness.

Make sure that the ABS warning lamp is turned off after the ignition switch is turned ON or when driving.

OK or NG 

OK: Normal

NG: Perform self-diagnosis. Refer to "SELF-DIAGNOSIS ".