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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Tuner/Amplifier Diagnosis (Except HEV) >> DTC B2921-00: Subwoofer 2 Open Load >> Wiring Inspection >> Signal Circuit Inspection >> ■ Check Open in Subwoofer Signal Circuit

■ Check Open in Subwoofer Signal Circuit

  1. IG Key "OFF.
  2. Disconnect "AMP" connector and "WOOFER SPEAKER" connector.
  3. Measure the resistance between "Woofer Speaker 2 (+)" terminal of "AMP" harness connector and (+) terminal of "WOOFER SPEAKER" harness connector.
  4. Measure the resistance between "Woofer Speaker 2 (-)" terminal of "AMP" harness connector and (-) terminal of "WOOFER SPEAKER" harness connector.

    Specification:  Continuity (below 1.0)

  5. Is the measured resistance within the specification?

    YES 

    NO 

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