
Diagnostic procedure

Dtc 21
Dtc 31Mazda 6 Service Manual: Procedures for determining the location of a malfunction
System Wiring Diadram
PCM
1. Check the display of DTC U0121 and/or U0155, using the SST (WDS or
equivalent). (See DTC TABLE.)
2. Referring to the following table, determine the malfunctioning part of the
CAN system.
ABS/TCS HU/CM or DSC HU/CM
1. Accec and monitor the PCM MSG and IC MSGo ...
Mazda 6 Service Manual: Tire Rotation
WARNING
Rotate tires periodically: Irregular tire wear is dangerous. To equalize
tread wear for maintaining good performance in handling and braking, rotate the
tires every 12,000 km (7,500 miles). However Mazda recommends to rotate every 8,000
km (5,000 miles) to help increase tire life and ...