Automatic Transaxle Fluid (ATF) Condition Inspection
One way of determining whether the transaxle should be disassembled is by noting:
ATF Condition

Automatic Transaxle Fluid (ATF) Level Inspection
Caution
1. Park the vehicle on level ground.
2. Apply the parking brake and position wheel chocks securely to prevent the vehicle from rolling.
3. Adjust the length or thermistor probe to measure the same depth as the depth gauge and hold the probe with a paper holder. Insert into the filler tube and measure the temperature.

4. Warm up the engine until the ATF reaches 60-70 °C {140-158 ° F}.
5. Shift the selector lever and pause momentarily in each range (DL) while depressing the brake pedal.
6. Shift the selector lever to P position.
7. Verify that the ATF level is in the HOT range (65 °C{149 °F}) while the engine is idling.
ATF type
ATF M-V

Road test
Automatic transaxle fluid (atf) replacementMazda 6 Service Manual: Starting procedure for on-board diagnostic test mode
Note
All DTCs displayed in the on-board diagnostic test mode should be
entered in the Audio Repair Order Form.
1. Turn the ignition switch to the ACC or ON position.
2. First press the POWER button, then simultaneously press the AM button and
TAPE/MD button for 2 seconds or more.
N ...
Mazda 6 Service Manual: Main fuse removal/installation
1. Disconnect the negative battery cable.
2. Remove the main fuse block cover.
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
Bolt Removal Note
1. Press and remove the tabs on the main fuse block at the positions
indicated by the arrows.
2. L ...