Mazda 6 Service Manual: Dtc 02, 18, 21 (when two or more dtcs are indicated at the same time)

Dtc 59

Dtc 06, 10, 12, 14, 18, 21 (when two or more dtcs are indicated at the same time)

Other materials:

Mazda 6 Service Manual: Engine oil replacement
Warning Hot engines and engine oil can cause severe burns. Turn off the engine and wait until it and the engine oil has cooled. A vehicle that is lifted but not securely supported on safety stands is dangerous. It can slip or fall, causing death or serious injury. Never work around or ...

Mazda 6 Service Manual: Instrument cluster input/output check mode
Note In this mode, it is possible to check the items in the following chart. Diagnostic Trouble Code Chart Note Diagnostic trouble codes which are not listed may be indicated, but they cannot be inspected. The diagnostic trouble codes are displayed in numerical order. (While ...