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Driver's Multiplex Control Unit Input Test

  1. Remove driver's multiplex control unit from driver's underdash fuse/relay block. See DRIVER'S MULTIPLEX CONTROL UNIT  under REMOVAL & INSTALLATION. Check driver's multiplex control unit and all pertinent connectors for loose, damaged or corroded terminals. See Fig 1 . If problem exists, repair connectors as necessary. If problem does not exist, go to next step.
  2. Perform driver's multiplex control unit input tests. See Fig 1 -Fig 2 . If any input is not as specified, repair indicated problem. If all inputs are as specified, go to next step.
  3. Check passenger's multiplex control unit. See PASSENGER'S MULTIPLEX CONTROL UNIT INPUT TEST  .
Fig 1: Testing Driver's Multiplex Control Unit Inputs (1 Of 2)
G00029373Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig 2: Testing Driver's Multiplex Control Unit Inputs (2 Of 2)
G00029374Courtesy of AMERICAN HONDA MOTOR CO., INC.