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Input Test

WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
  1. With the subwoofer/amplifier 8P connector connected, make the input tests at the connector according to the table.
    Terminal Test
    4 Measure the voltage to ground with all conditions: There should be less than 0.2 V.
    5 Measure the voltage to ground with all conditions: There should be battery voltage.
    6 Measure the voltage to ground with audio system power switch ON: There should be battery voltage.
  2. If the input test proves OK and the subwoofer has no sound, replace the faulty subwoofer/amplifier unit.