The ignition must be switched ON to use the wiper.
Rear Window Wiper

Turn the wiper on by turning the rear wiper/washer switch

Rear Window Washer
To spray washer fluid, turn the rear wiper/ washer switch to the position. After the switch is released, the washer will stop.
If the washer does not work, inspect the fluid level . If the fluid level is normal and the washer still does not work, consult an Authorized Mazda Dealer.
Windshield Washer
Rear Window DefoggerDrive Belt Auto Tensioner Inspection [Mzr 2.0, Mzr 2.5]
MZR 2.0
1. Remove the generator drive belt with the A/C drive belt still installed and
set it out of the way..
2. Verify that the drive belt auto tensioner moves smoothly in the operational
direction.
If it does not move smoothly, replace the drive belt auto tensioner..
3. T ...
Service Cautions
Injury/damage Prevention Precautions
Depending on the vehicle, the cooling fan may operate suddenly even when
the ignition is switched to off. Therefore, keep hands and tools away from the
cooling fan even if the cooling fan is not operating to prevent injury to personnel
or damage t ...
Warm Up Three Way Catalytic Converter (Wu Twc) Inspection [Mzr 2.0, Mzr 2.5]
CAUTION:
Perform the following procedures, DTC P0421:00 is indicated only.
1. Connect the M-MDS to the DLC-2.
2. Start the engine and warm it up to normal operating temperature.
3. Turn off the engine.
4. Verify that the engine compression is within the specification..
...