Mazda 3 Service Manual: Parameter Setting Procedure When Tire Size Is Changed

CAUTION:

• If the wheel and tire sizes are changed, a discrepancy with the speedometer needle whereby it exceeds the allowable range could result in a malfunction. If the wheel and tire sizes are changed, perform the following procedure to change the tire size parameter setting.

• The same parameters should be set in “Tire dimension”, “Tire Circumference”, and “Tire Size”.

1. Connect the M-MDS to DLC-2.

2. After the vehicle is identified, select the following item from the initialization screen of the M-MDS.

• Select “Module Programming”.

3. Select the items from the screen menu.

• Select “Programmable Parameters”.

• Select “Tire Size”.

4. Select an item name, and then select the option.

• Select “Tire Size”.

• Tire dimension (195/70R15, 205/50R17, 195/65R15, 205/55R16, 225/40R18)

• Tire Circumference (195/70R15, 205/50R17, 195/65R15, 205/55R16, 225/40R18)

5. Select the items from the screen menu.

• Select “Programmable Parameters”.

• Select “Tire Size/Axle Ratio”.

6. Select an item name, and then select the option.

• Select “Tire Size/Axle Ratio”.

• Tire Size (195/70R15, 225/40R18, 195/65R15, 205/50R17, 205/55R16)