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BRN Wire Communication Line Test

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Honda Odyssey, 2003 Honda Odyssey, 2002 Honda Odyssey, 2001 Honda Odyssey, and 2000 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the driver's multiplex control unit from the driver's under-dash fuse/relay box.
  2. Carefully pry off driver's door switch trim (see FRONT DOOR PANEL REMOVAL/INSTALLATION ).
  3. Disconnect door multiplex connector A (20P).
  4. Check for continuity between No. 2 terminal of the driver's under-dash fuse/relay box socket and No. 15 terminal of the door multiplex control unit connector A (20P).
    Fig 1: Checking Continuity Between No. 2 Terminal Of Driver's Under-Dash Fuse/Relay Box Socket & No. 15 Terminal Of Door Multiplex Control Unit Connector A (20P)
    G01520244Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    1. YES:  Replace the multiplex control unit most closely related to failure.
    2. NO:  Repair an open in the wire between the door multiplex connector and the driver's under-dash fuse/relay box. If the wire is OK, replace the under-dash fuse/relay box.