Multiplex Control Unit
- Remove door panel and door multiplex control unit. See DOOR PANEL
under REMOVAL & INSTALLATION. Disconnect harness connectors. Inspect connectors and terminals. Check for bent, loose or corroded terminals. Repair connector terminals as necessary and retest system. Go to next step.
- Perform driver's door multiplex control unit input tests. See Fig 1
. Repair as necessary and recheck system operation. If door multiplex control unit input tests are okay, go to next step.
- Remove passenger's underdash fuse/relay box. See PASSENGER'S UNDERDASH FUSE/RELAY BOX
under REMOVAL & INSTALLATION. Remove passenger's door multiplex control unit from passenger's underdash fuse/relay box. Disconnect harness connectors. Inspect connectors and terminals. Check for bent, loose or corroded terminals. Repair connector terminals as necessary and retest system. Go to next step.
- Perform passenger's multiplex control unit input tests. See Fig 2
. If any test indicates a problem, locate and repair cause as necessary. If passenger multiplex control unit input tests are okay, go to next step.
- Turn ignition off. 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 connectors. Inspect connectors and terminals. Check for bent, loose or corroded terminals. Repair connector terminals as necessary and retest system. Go to next step.
- Perform passenger's multiplex control unit input tests. See Fig 3
. If driver's multiplex control unit input tests are okay, go to TROUBLE SHOOTING
.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Courtesy of AMERICAN HONDA MOTOR CO., INC.