1. Remove the front seat. (See FRONT SEAT REMOVAL/INSTALLATION.)
2. Remove the seat cushion trim.
3. While inspecting for continuity between the terminals A and B of the connector, use a dryer to warm the thermostat of the seat warmer unit on seat cushion.

4. When the indication on the ohmmeter is no continuity, turn off the dryer, then use a thermometer to measure the temperature of the thermostat.

5. Verify that the temperature is approximately 29 °C {84 °F}.
6. Verify that there is continuity between the terminals of seat warmer units connector using an ohmmeter when temperature drops to approximately 20 °C {68 °F}.


Seat warmer switch inspection
Body shellMazda 6 Service Manual: Fuel Gauge (Without Multiinformation Display)
The fuel gauge shows approximately how much fuel is remaining in the tank when
the ignition is switched ON. We recommend keeping the tank over 1/4 full.
If the low fuel warning light illuminates or the fuel level is very low, refuel
as soon as possible.
Refer to Warning Lights.
NOTE
...
Mazda 6 Service Manual: Service procedure
Inspection, adjustment
Inspection and adjustment procedures are divided into steps. Important
points regarding the location and contents of the procedures are explained
in detail and shown in the illustrations.
Repair procedure
1. Most repair operations begin with an overview illustr ...