Excessive ABS Function Operation Frequency

TROUBLE DIAGNOSIS FOR SYMPTOMS


Excessive ABS Function Operation Frequency

1.CHECK START
Check front and rear brake force distribution using a brake tester. Refer to Specifications Specifications Specifications Specifications Front Disc Brake Rear Disc Brake.
OK or NG
OK - GO TO 2.
NG - Check brake system.
2.CHECK FRONT AND REAR AXLE
Make sure that there is no excessive play in the front and rear axles. Refer to front: Testing and Inspection, Rear: .
OK or NG
OK - GO TO 3.
NG - Repair or replace malfunctioning components.
3.CHECK WHEEL SENSOR AND SENSOR ROTOR

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.
4.CHECK ABS WARNING LAMP DISPLAY
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 Scan Tool Testing and Procedures.