Door Multiplex Control Unit
- Remove driver's door panel. See DOOR PANEL
under REMOVAL & INSTALLATION. Disconnect door multiplex control unit 20-pin harness connector. Check door multiplex control unit harness connector and terminals. If problem exists, repair connector and retest system. If problem does not exist, go to next step.
- With door multiplex control unit harness connector disconnected, perform input tests at indicated door multiplex control unit harness connector terminals. See Fig 1
. Go to next step.
- Connect door multiplex control unit harness connector. Perform input tests by backprobing door multiplex control unit connector terminals. See Fig 2
. If any input test is not within specification, locate and repair problem, then recheck system. If input tests are within specification, substitute known-good door multiplex control unit and retest system. If problem is fixed, replace original door multiplex control unit. If problem is still present, reinstall door multiplex control unit and test driver's multiplex control unit. See DRIVER'S MULTIPLEX CONTROL UNIT
.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Courtesy of AMERICAN HONDA MOTOR CO., INC.