Front Fog Light Inspection [Led Type]

WARNING: This page is about a different car, the 2016 Mazda CX-5. 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 .)
Partially peel back mudguard. (See MUDGUARD REMOVAL/INSTALLATION .)
Remove the front fog light. (See FRONT FOG LIGHT REMOVAL/INSTALLATION .)
Apply battery voltage to front fog light terminal A, and connect terminal B to ground.

Fig 1: Applying Battery Voltage To Front Fog Light Terminal A
Courtesy of MAZDA MOTORS CORP.
Verify that the front fog light is turned on.

If a front fog light does not turn on, replace it. (See FRONT FOG LIGHT REMOVAL/INSTALLATION .)