1. Inspect for resistance between the tweeter terminals using an ohmmeter.


2. To verify that the tweeter outputs sound, apply voltage to the tweeter and release using a 1.5-V battery.
Tweeter removal/installation
Woofer removal/installationMazda 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.
...
Mazda 6 Service Manual: Windshield wiper arm and blade removal/installation
1. Remove in the order indicated in the table.
2. Install in the reverse order of removal.
3. Adjust the windshield wiper arm and blade. (See WINDSHIELD WIPER ARM AND
BLADE ADJUSTMENT.)
Windshield Wiper Arm Installation Note
Clean the windshield wiper arm connector shafts using a wire brus ...