Driver's Multiplex Control Unit

Remove driver's multiplex control unit from driver's underdash fuse/relay block. Inspect connector terminals for damage or corrosion. Repair or replace as necessary. Using a DVOM, perform driver's control unit input test. See Fig 1 . If all input tests are okay, go to PASSENGER'S CONTROL UNIT  .

Fig 1: Driver's Multiplex Control Unit Input Test

Courtesy of AMERICAN HONDA MOTOR CO., INC.