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.


Cargo compartment light inspection
Trunk compartment light bulb removal/installationMazda 6 Service Manual: Sunvisors
When you need a sunvisor, lower it for use in front or swing it to the side.
Side Extension Sunvisors (Some models)
The visor extender extends the sunvisor's range of sun shading.
To use, pull it out.
CAUTION
When moving the sunvisor, retract the visor extender to its original position.
O ...
Mazda 6 Service Manual: Cruise control switch inspection
1. Disconnect the negative battery cable.
2. Remove the driver-side air bag module. (See DRIVER-SIDE AIR BAG MODULE
REMOVAL/INSTALLATION.)
3. Disconnect the cruise control switch connector.
4. Inspect for resistance and continuity between the cruise control switch
terminals using an ohmmeter. ...