Voice Control Switch Test

WARNING: This page is about a different car, the 2009 Acura MDX, 2008 Acura MDX, and 2007 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

Remove the driver's airbag assembly (see DRIVER'S AIRBAG REPLACEMENT ).
Remove the 20P connector from the cable reel.

Fig 1: Identifying Voice Control Switch Connector Terminals
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Measure the resistance between the No. 8 and No. 10 terminals in each switch position according to the table.

RESISTANCE CHART

Position	Resistance
No buttons pressed	About 10 kΩ
Talk button pressed	About 2.2 kΩ
Back button pressed	About 640 Ω

If the resistance is not as specified, replace the voice control switch (see STEERING WHEEL DISASSEMBLY/REASSEMBLY ).
Use a diode tester between the terminals in each switch position according to the table.

Fig 2: Checking For Continuity Between Terminals In Each Switch Position
Courtesy of AMERICAN HONDA MOTOR CO., INC.
If the diode test is not as specified, replace the voice control switch (see STEERING WHEEL DISASSEMBLY/REASSEMBLY ).