DIAGNOSIS

Symptom		Probable cause		Remedy	Reference page
Rapid wear at shoulders		Under-inflation or lack of rotation		Adjust the tyre pressure.	For tyre inflation pressure, refer to the label on the driver’s side centre pillar.
Rapid wear at centre		Over-inflation or lack of rotation
Cracked treads		Under-inflation		Adjust the tyre pressure.	For tyre inflation pressure, refer to the label on the driver’s side centre pillar.
Wear on one side		Excessive camber		Check the camber.	<Front> Refer to GROUP 33, On-vehicle service - Front wheel alignment check and adjustment . <Rear> Refer to GROUP 34, On-vehicle service - Rear wheel alignment check and adjustment .
Feathered edge		Incorrect toe-in		Adjust the toe-in.
Bald spots		Unbalanced wheel		Balance the wheels.
Scalloped wear		Lack of rotation of tyres or worn or out-of-alignment suspension		Rotate the tyres, and check the front or rear suspension alignments.	<Front> Refer to GROUP 33, On-vehicle service - Front wheel alignment check and adjustment . <Rear> Refer to GROUP 34, On-vehicle service - Rear wheel alignment check and adjustment .