Driver's Multiplex Control Unit
- Remove driver's underdash fuse/relay box. See DRIVER'S UNDERDASH FUSE/RELAY BOX
under REMOVAL & INSTALLATION. Remove driver's multiplex control unit from driver's underdash fuse/relay box. Disconnect driver's multiplex control unit 22-pin connector. Inspect connectors and terminals. Check for bent, loose or corroded terminals. Perform driver's multiplex control unit input tests. See Fig 1
. Repair as necessary and recheck system operation. If driver's multiplex control unit inputs are okay, go to next step.
- Reconnect driver's multiplex control unit to underdash fuse/relay box. Perform input tests as specified at back side of driver's fuse/relay box (backprobe). See Fig 2
. Repair as necessary. If all tests are okay, reconnect driver's multiplex control unit 22-pin connector and go to PASSENGER'S MULTIPLEX CONTROL UNIT
.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Courtesy of AMERICAN HONDA MOTOR CO., INC.