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: Abs (abs/tcs) on-board diagnosis
On-Board Diagnostic (OBD) Test Description
The OBD test inspects the integrity and function of the ABS (ABS/TCS)
and outputs the results when requested by the specific tests.
On-board diagnostic test also:
- Provides a quick inspection of the ABS (ABS/TCS) usually performed at
the ...
Mazda 6 Service Manual: No.8 no cool air
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while performing the inspection to discover
whether poor contact points are the cause of any intermittent malfunctions.
If there is a problem, check to make sure connectors, terminals ...