Audio Control Switch Inspection

WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable.
Remove the driver-side air bag module. (See DRIVER-SIDE AIR BAG MODULE REMOVAL/INSTALLATION .)
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 in the tables, replace the audio control light switch.
Fig 1: Inspecting Audio Control Switch
Courtesy of MAZDA MOTORS CORP.

Fig 2: Audio Control Switch Terminal Continuity Description Table
Courtesy of MAZDA MOTORS CORP.

R : Resistance. See the table.

Switch position	Resistance (ohm)
VOL- switch ON	51-56
VOL+ switch ON	140-154
SEEK+ switch ON	286-315
SEEK- switch ON	534-589
MODE switch ON	985-1,080
MUTE switch ON	1,940-2,130
OFF	4,800-5,290