Door Multiplex Control Unit

NOTE: Door multiplex control unit is integrated into driver's power mirror/window switch assembly.

Remove driver's door panel. Disconnect door multiplex control unit connector and check for bent, loose or corroded terminals. Repair as necessary. If all terminals are okay, perform input tests at door multiplex control unit connector. See Fig 1 . If all input tests are okay, go to PASSENGER'S MULTIPLEX CONTROL UNIT .

Fig 1: Door Multiplex Control Unit Inputs

Courtesy of AMERICAN HONDA MOTOR CO., INC.