The mirror defoggers defrost the outside mirrors.
The mirror defoggers operate in conjunction with the rear window defogger.
To turn on the mirror defoggers, switch the ignition ON and press the rear window defogger switch.
Manual Climate Control

Fully Automatic Climate Control

Rear Window Defogger
HornMazda 6 Owners Manual: No. 1 one or more 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 ...
Mazda 6 Owners Manual: Combine sensor inspection
Caution
Be careful and do not allow the lateral-G sensor to fall. If by
chance it is subjected to strong impact, replace it.
1. Connect the connector.
2. Turn ignition switch on, verify the voltage between terminals B and E
under the following conditions.
If not within the specifi ...