Driver's Multiplex Control Unit
- Remove driver's side kick panel. Unplug and remove driver's multiplex control unit from driver's underdash fuse/relay box. Inspect connector terminals for damage or corrosion. Repair as necessary and retest system. If connector and terminals are okay, go to next step.
- Using DVOM, perform control unit input test. See Fig 1. If an input test indicates a problem, find and correct cause and retest system. If all input test results are okay, go to PASSENGER'S MULTIPLEX CONTROL UNIT .
Courtesy of AMERICAN HONDA MOTOR CO., INC.