1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Column cover.
b. Wiper and washer switch.
3. Use a tester to measure and verify that the continuity between the rear wiper and washer switch terminals is as indicated in the table.

If the continuity is not as indicated in the table, replace the wiper and washer switch..

General
Windshield Wiper And Washer Switch InspectionAudio Unit (With Color LCD)
NOTE:
“iPod” is a registered trademark of Apple Inc. in the United States and other
countries.
Purpose
The audio unit controls the CD, radio, exterior input devices (AUX/USB/iPod)
and the display.
Function
Records the following items which the user has set ...
Wiper/Washer System
Outline
The following wiper/washer system has been adopted.
Windshield wiper system
Rear wiper system
Auto wiper system (with auto wiper system)
Washer fluid-level sensor (with washer fluid-level sensor)
Specification
Windshiel ...
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 ...