Move the float to the topmost and bottommost positions, and verify that the resistance between terminals A and B of the unit and the position of the float are as indicated in the figure.

Pid/data monitor and record procedure
Oil pressure switch inspectionMazda 6 Service Manual: Advisory messages
You'll find several Warnings, Cautions, Notes, Specifications and Upper
and Lower Limits in this manual.
Warning
A Warning indicates a situation in which serious injury or death
could result if the warning is ignored.
Caution
A Caution indicates a situation in which damage to ...
Mazda 6 Service Manual: Combine sensor removal/installation
Caution
Be careful and do not allow the combine sensor to fall. If by
chance it is subjected to strong impact, replace it.
1. Remove the center console.
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.
4. After installation, perform the comb ...