1. Connect SST
(WDS or equivalent) to the vehicle DLC-2 16-pin connector.

2. Access and monitor PIDs using SST
(WDS or equivalent).
Monitor Item Table

Instrument cluster input/output check mode
Fuel gauge sender unit inspectionMazda 6 Service Manual: Front passenger air bag deactivation indicator light
This indicator light turns on to remind you that the front passenger front and side air bags and seat belt pretensioner will not deploy during a collision.
If the front passenger occupant classification sensor is normal, the indicator light turns on when the ignition is switched ON. The ...
Mazda 6 Service Manual: Outside Temperature Display (Without Multi-information Display)
When the ignition is switched ON, the outside temperature is displayed.
NOTE
Under the following conditions, the outside temperature display may differ
from the actual outside temperature depending on the surroundings and vehicle conditions:
Significantly cold or hot temperatures.
Sudden ...