1. Remove the seat warmer switch.
2. Inspect for continuity between the seat warmer switch terminals using an ohmmeter.
Drivers side


Passengers side


Seat warmer switch removal/installation
Seat warmer unit inspectionMazda 6 Service Manual: Front oil seal
FRONT OIL SEAL REPLACEMENT
1. Disconnect the negative battery cable.
2. Remove the spark plugs. (See SPARK PLUG REMOVAL/INSTALLATION.)
3. Remove the Cylinder head cover. (See Cylinder Head Cover Installation
Note.)
4. Remove the drive belt. (See DRIVE BELT REPLACEMENT.)
5. Remove the front dr ...
Mazda 6 Service Manual: Filament inspection
1. Turn the ignition switch to ON position.
2. Turn the rear window defroster switch on.
Caution
Directly touching the rear window defroster filament with the lead
of the voltmeter will damage it. Wrap aluminum foil around the end of the
lead and test the filament by touching it with the ...