Headlight switch

WARNING: This page is about a different car, the 2003 Mazda Protege5 and 2003 Mazda Protege. However, it is still accessible from the selected car via links, so may be relevant.

Remove the light switch. (See LIGHT SWITCH REMOVAL/INSTALLATION .)
Inspect for continuity between the light switch terminals using an ohmmeter.
1. If not as specified, replace the light switch.
Fig 1: Light Switch Terminals Continuity Reference Chart
Courtesy of MAZDA MOTORS CORP.

Fig 2: Identifying Light Switch Circuit & Connector View
Courtesy of MAZDA MOTORS CORP.