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Home >> Honda >> 2003 >> Pilot LX >> Repair and Diagnosis >> Accessories & Equipment >> Memory Modules >> Multiplex Control System >> Troubleshooting >> Mode 2 >> BRN Wire Communication Line Test
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BRN Wire Communication Line Test

  1. Remove the driver's multiplex control unit from the driver's under-dash fuse/relay box.
  2. Carefully pry off the driver's door switch trim (see FRONT DOOR PANEL REMOVAL/INSTALLATION ).
  3. Disconnect door multiplex connector A (20P).
  4. Check for continuity between A23 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 For Continuity Between A23 Terminal Of Driver's Under-Dash Fuse/Relay Box Socket & No. 15 Terminal Of Door Multiplex Control Unit Connector A (20P)
    G01465906Courtesy of AMERICAN HONDA MOTOR CO., INC.

    Is there continuity? 

    1. YES  -Replace the multiplex control unit most closely related to the 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 driver's under-dash fuse/relay box.
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