Heated Outer Mirror Inspection

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Remove the outer mirror glass. (See OUTER MIRROR GLASS REMOVAL .) (See OUTER MIRROR GLASS INSTALLATION .)
Inspect the resistance between outer mirror glass terminals.
Outer mirror glass resistance (standard)

9.0-13.5 ohms

Fig 1: Inspecting Resistance Between Outer Mirror Glass Terminals
Courtesy of MAZDA MOTORS CORP.
- If not within the specification, replace the outer mirror glass. (See OUTER MIRROR GLASS REMOVAL .) (See OUTER MIRROR GLASS INSTALLATION .)