WARNING: This page is about a different car, the 2007 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
Inspect for continuity between request switch terminals A and B.
If not as specified, replace the request switch.
: Continuity
Fig 1: Request Switch Continuity Table
Courtesy of MAZDA MOTORS CORP.
Fig 2: Identifying Request Switch Terminals With Circuit