1. Remove the door switch. (See DOOR SWITCH REMOVAL/INSTALLATION)
2. Inspect for continuity between the door switch terminal and a body ground using an ohmmeter.


Door switch removal/installation
Ashtray illumination bulb removal/installationMazda 6 Service Manual: Fuse Replacement
Replacing the fuses on the vehicle's left side
If the electrical system does not work, first inspect the fuses on the vehicle's
left side.
1. Make sure the ignition is switched off, and other switches are off.
2. Open the fuse panel cover.
3. Pull the fuse straight out with the fuse puller p ...
Mazda 6 Service Manual: No. 2 all on-board diagnostic functions inoperative
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while doing the inspection to discover whether
poor contact points are the cause of any intermittent malfunctions. If there
is a problem, check to make sure connectors, terminals and wir ...