Front Fog Light Inspection [Led Type]

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 .)
Partially peel back front 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: Front Fog Light Voltage Terminals
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 .)