1. Disconnect the negative battery cable..
2. Remove the auto leveling sensor..
3. Connect the three dry cell batteries (1.5 V) in a series.

4. Connect auto leveling sensor terminal A to the battery’s minus terminal, and terminal C to the battery’s plus terminal, and apply 4.5 V of voltage between terminals A and C.
5. Connect the tester as shown in the figure.
6. When slowly moving the link up and down, verify that the shift is linear while the voltage is 0.5 to 4.5 V.

If the voltage cannot be verified as indicated in the graph, replace the auto leveling sensor.
General
Auto Leveling Sensor Removal/InstallationAudio Unit Removal/Installation
Without Display
CAUTION:
When installing the audio unit, make sure that the wiring harness and antenna
feeder are not caught between the unit and dashboard. If the wiring harness
or the antenna feeder is caught between the unit and dashboard, it may cause
malfunctions.
Pres ...
Add-On Non-Genuine Parts and
Accessories
Non-genuine parts and accessories for Mazda vehicles can be found in stores.
These may fit your vehicle, but they are not approved by Mazda for use with
Mazda
vehicles. When you install non-genuine parts or accessories, they could affect
your vehicle's
performance or safety systems; the Maz ...
Spark Plug Inspection [Mzr 2.0, Mzr 2.5]
Specification
Spark plug type
LFJD-18110, L3Y2-18110
Plug Gap Inspection
CAUTION:
To avoid possible damage to the tip, do not adjust the spark plug gap. (L3Y2-18110)
To prevent damaging the tip, use a wire type plug gap gauge when inspecting
the spark plug gap. (L3 ...