1. Measure the temperature around the cabin temperature sensor.
2. Measure the resistance between terminals of the cabin temperature sensor.

Cabin temperature sensor removal/installation
Evaporator temperature sensor removal/installationMazda 6 Service Manual: Child-Restraint Precautions
Mazda strongly urges the use of child-restraint systems for children small enough
to use them.
You are required by law to use a child-restraint system for children in the U.S.
and Canada. Check your local and state or provincial laws for specific requirements
regarding the safety of children ...
Mazda 6 Service Manual: Front shock absorber disposal
Warning
Whenever drilling into a shock absorber, wear protective eye wear.
The gas in the shock absorber is pressurized, and could spray metal chips
into the eyes and face when drilling.
1. Clamp a shock absorber on a flat surface or with the piston pointing
downwards.
2. Drill a 2-3 ...