Mode switch

WARNING: This page is about a different car, the 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Remove the climate control unit.
Inspect for continuity between the mode switch terminals using an ohmmeter.
- If not as specified, replace the climate control unit.
Fig 1: Mode Switch Terminals Continuity Specifications (Terminals C-D)
Courtesy of MAZDA MOTORS CORP.

Fig 2: Mode Switch Schematic & Connector Views
Courtesy of MAZDA MOTORS CORP.
Verify that the resistance between the terminals of the mode switch is as shown in Fig 3 .
- If not as specified, replace the mode switch.
Fig 3: Mode Switch Terminals Continuity Specifications (Terminals A-B & B-D)
Courtesy of MAZDA MOTORS CORP.