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: Instrument cluster inspection
Speedometer
Using the input/output check mode
Inspect the speedometer by setting it in the input/output check mode DTC 12.
Using a speedometer tester
1. Adjust the tire air pressure to the specification.
2. Using a speedometer tester, verify that the speedometer indication is
within the allow ...
Mazda 6 Service Manual: Headliner removal/installation
1. Disconnect the negative battery cable.
2. Turn the seaming welt and weatherstrip over.
3. Remove the sunroof seaming welt. (vehicles with sunroof only)
4. Remove the A-pillar trims.
5. Remove the B-pillar upper trims.
6. Remove the C-pillar trims.
7. Remove the front and rear map light. (Se ...