Mazda CX-9 Grand Touring 2009 Manual page 1529

Courtesy of MAZDA MOTORS CORP.
R : Resistance. See the table.
RESISTANCE SPECIFICATION
Switch position
VOL- button ON
VOL+ button ON
SEEK+ button ON
SEEK- button ON
MODE button ON
VOICE/MUTE button ON
OFF
Fig. 49: Identifying Audio Control Switch Terminals (Without HF/TEL System)
Courtesy of MAZDA MOTORS CORP.
WITH HF/TEL SYSTEM
1. 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 switch.
HF/TEL SWITCH
2008 Mazda CX-9 Grand Touring
2008 BODY & ACCESSORIES Entertainment - Mazda CX-9
Resistance (ohm)
51-56
140-154
286-315
534-589
985-1,088
1,935-2,138
4,795-5,299