1. Remove the battery and battry tray. (European (L.H.D.), GCC. specs.)
2. Remove in the order indicated in the table.
3. Plug the clutch pipe after removing it to avoid leakage.
4. Install in the reverse order of removal.


Clutch master cylinder disassembly/assemblyMazda 6 Service Manual: Dtc clearing procedure
1. Start the on-board diagnostic test mode.
2. First press the POWER button, then simultaneously press AUDIO CONT button
for 2 seconds or more.
Caution
Before clearing the DTCs, be sure to enter all of them displayed
in the on-board diagnostic test mode in the Audio Repair Order Form. ...
Mazda 6 Service Manual: No. 1 one or more on-board diagnostic functions inoperative
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while doing the inspection to discover whether
poor contact points are the cause of any intermittent malfunctions. If there
is a problem, check to make sure connectors, terminals and wir ...