Follow Schedule 1 if the vehicle is operated mainly where none of the following conditions (severe driving conditions) apply.
If any do apply, follow Schedule 2. (Puerto Rico and Canada residents follow Schedule 2.)
Engine oil flexible maintenance is available for U.S.A. and Puerto Rico residents whose vehicle is operated mainly where none of the following conditions apply.
If any do apply, follow Schedule 2 with engine oil fixed maintenance.
The onboard computer in your vehicle calculates the remaining oil life based on engine operating conditions when selecting flexible maintenance. Mazda Genuine 0W-20 Oil and Castrol® 0W-20 Oil are required to achieve optimum calculation performance.
NOTE
After the prescribed period, continue to follow the described maintenance at the recommended intervals.
Schedule 1Mazda 6 Owners Manual: Interior
Front
Rear
...
Mazda 6 Owners 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 ...