Door Multiplex Control Unit
Unit is located in driver's door and is incorporated in power window master switch.
Driver's Multiplex Control Unit
Unit is located on fuse/relay block behind driver-side kick panel.
Passenger's Multiplex Control Unit
Unit is located on fuse/relay block behind passenger-side kick panel.
Multiplex control system includes a multiplex function, wake-up/sleep function, fail-safe function, and a 2-mode self-diagnostic function. Self-diagnostic Mode 1 is used to diagnose multiplex control system. Self-diagnostic Mode 2 is used to diagnose a failure in input line of each system.
DOOR GLASS
Note. On all models, make adjustments with vehicle on flat level surface. Check weatherstrips for damage or deterioration. Remove door panel and plastic cover. See DOOR PANEL under REMOVAL & INSTALLATION.
Accord
- Move glass enough to access glass mounting bolts. Loosen glass mounting bolts and regulator mounting bolts. Push glass rearward (front door) or forward (rear door) against center channel. (Scheme 10) Tighten glass mounting bolts.
- Ensure window operates smoothly. Raise glass fully. Check for even contact between glass and run channel. Adjust as necessary. Check for leaks using low pressure water.
Prelude
Raise glass as far as possible and hold against glass run channel. Loosen roller guide bolts. Adjust glass parallel with glass run channel. Tighten roller guide bolts. Loosen front channel bolts. Lower glass. Push front channel against glass then tighten mounting bolts. Ensure glass moves smoothly. Raise glass fully. Check for leaks using low pressure water.
Scheme 10
Scheme 11
Remove power window relay from underhood fuse/relay box. Using jumper wires, connect terminals No. 3 and 4 to battery voltage and ground. (Scheme 12) If continuity does not exist between terminals No. 1 and 2, replace relay.
Remove power window relay from underhood fuse/relay box. Using jumper wires, connect terminals No. 2 and 4 to battery voltage and ground. (Scheme 13) If continuity does not exist between terminals No. 1 and 3, replace relay.
Scheme 12
Scheme 13
MULTIPLEX CONTROL UNIT INPUT TESTS
Note. Master power window switch function is combined with the multiplex control system. Switch cannot be isolated for testing. Perform control unit input tests.
All Windows Inoperative
Blown fuse No. 37 (40-amp) in underhood fuse/relay box. Power window relay. Faulty control unit inputs. Faulty ground connections. Open in White/Blue wire.
Driver's Window inoperative
Blown fuse No. 15 (20-amp) in underdash fuse/relay box. Faulty driver's window motor. Faulty window regulator. Master switch control unit input. Faulty ground connections. Open in Green/White wire.
Driver's Window Inoperative In AUTO
Faulty master switch. Faulty pulser (in driver's window motor). Master switch control unit input. Open in Red/White wire.
Passenger's Window Inoperative
Blown fuse No. 16 (20-amp) in underdash fuse/relay box. Faulty power window master switch. Faulty passenger's switch. Faulty passenger's window motor. Faulty window regulator. Open in Blue/Black wire.
All Windows Inoperative Within 10 Minutes Of Ignition Switch Turned Off
Blown fuse No. 37 (40-amp) in underhood fuse/relay box. Faulty door switches. Faulty door multiplex control unit input.