Diagnostic procedure
Mazda 6 Service Manual: Wiper Blades
CAUTION
Hot waxes applied by automatic car washers have been known to affect
the wiper's ability to clean windows.
To prevent damage to the wiper blades, do not use gasoline, kerosene,
paint thinner, or other solvents on or near them.
When the wiper lever is in the AUTO position and th ...
Mazda 6 Service Manual: Cargo compartment light switch inspection
1. Remove the liftgate lower trim. (See LIFTGATE LOWER TRIM
REMOVAL/INSTALLATION)
2. Disconnect the cargo compartment light switch connector.
3. Inspect for continuity between the cargo compartment light switch
terminals using an ohmmeter.
If not as specified, replace the liftgate lock.
...