1. Shine an incandescent light (60 W)
on the solar radiation sensor from a distance of approximately 100 mm {3.94 in}.
2. Connect positive (+) lead to terminal A and negative (−) lead to terminal B of the solar radiation sensor.

, replace the solar radiation sensor.
Solar radiation sensor removal/installation
Ambient temperature sensor removal/installationMazda 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: Supplemental Restraint System Components
(With Front Passenger Occupant Classification System)
(Without Front Passenger Occupant Classification System)
Driver/Front passenger inflators and air bags
Roll-over sensor (some models), crash sensors, and diagnostic module (SAS
unit).
Seat belt pretensioners
Front air bag sensor ...