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Home >> Acura >> 2007 >> MDX >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Audio System >> Audio Remote Switch Test
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Audio Remote Switch Test

  1. Remove the driver's airbag assembly (see DRIVER'S AIRBAG REPLACEMENT ).
  2. Remove the 20P connector from the cable reel.
    Fig 1: Identifying Audio Remote Switch Connector Terminals
    G05488539Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Measure the resistance between the No. 19 and No. 20 terminals in each switch position according to the table.
    RESISTANCE CHART

    Position Resistance
    Switch not pressed About 10 kΩ
    MODE About 3.7 kΩ
    CH (+) About 1.7 kΩ
    CH (-) About 775 Ω
    ↑
    (VOL. UP)    		 About 357 Ω
    ↓
    (VOL. DOWN)    		 About 100 Ω
  4. If the resistance is not as specified, replace the audio remote switch (see STEERING WHEEL DISASSEMBLY/REASSEMBLY ).
  5. Use a diode tester between the terminals in each switch position according to Fig 2.
    Fig 2: Using Diode Tester Between Terminals In Each Switch Position
    G05488540Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. If the diode test is not as specified, replace the audio remote switch (see STEERING WHEEL DISASSEMBLY/REASSEMBLY ).
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