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: Warning Light and Brake Pad Wear Indicator
Warning Light
The warning light turns on when the system has a malfunction.
Refer to Warning Indication/Warning Lights
Brake Pad Wear Indicator
When the disc brake pads become worn, the built-in wear indicators contact the
disc plates. This causes a screeching noise to warn that the pads shoul ...
Mazda 6 Service Manual: Turning the Engine Off
WARNINGDo not stop the engine while the vehicle is moving: Stopping the
engine while the vehicle is moving for any reason other than in an emergency is
dangerous. Stopping the engine while the vehicle is moving will result in reduced
braking ability due to the loss of power braking, which coul ...