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: Compression pressure
COMPRESSION INSPECTION
Warning
Hot engines and oil can cause severe burns. Be careful not to burn
yourself during removal/installation of each component.
1. Verify that the battery is fully charged.
Recharge it if necessary. (See BATTERY INSPECTION.)
2. Warm up the engine to the no ...
Mazda 6 Service Manual: Clutch fluid replacement
Caution
Be careful not to spill clutch fluid on a painted surface. If this
should happen, wash it off immediately.
Note
Do not mix different brands of clutch fluid.
Do not reuse the clutch fluid that was drained out.
1. Remove the under cover.
2. Draw the fluid from the reservoir ...