Audio Control Switch Inspection

Disconnect the negative battery cable.
Remove the driver-side air bag module. (See DUAL-STAGE DRIVER-SIDE AIR BAG MODULE .)
Disconnect the audio control switch connector.
Verify the resistance and continuity between the audio control switch terminals.
- If the resistance and continuity are not as indicated, replace the audio control light switch.
Fig 1: Checking Audio Control Switch Terminal Continuity
Courtesy of MAZDA MOTORS CORP.

Fig 2: Identifying Audio Control Switch Terminals Connection
Courtesy of MAZDA MOTORS CORP.

Fig 3: Audio Control Switch Resistance Specification
Courtesy of MAZDA MOTORS CORP.