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Input 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.
  1. With the connector still disconnected, make the input tests at the connector according to the table.
    TERMINAL TEST CHARTS

    Terminal Test
    5 Measure the voltage to ground with all conditions: There should be battery voltage.
    6 Measure the voltage to ground with audio power switch ON: There should be battery voltage.
  2. Reconnect the connector to the subwoofer/ amplifier unit, and make the input test at the connector according to the table.
    TERMINAL TEST CHART

    Terminal Test
    4 Measure the voltage to ground with all conditions: There should be less than 0.1 V.
  3. If the input test proves OK and the subwoofer has no sound, replace the faulty subwoofer/amplifier unit.
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