LS 400 CD
Changer
and Amplifier Removal and Install
Lexus LS 400 CD
Changer
Removal and Replacement
1.1) Open side pocket and remove screw.
2.1) Pull edge of panel back to allow CD
changer cover panel to clear and pull edge of bottom trunk carpet back.
2.2) Feed gas door open cable through panel when removing.
3.1) Remove two 10mm bolts at top of CD
changer.
4.1) Remove two 10mm bolts below CD changer.
4.2) Disconnect connectors and remove changer.
5.1) Remove screws securing amplifier.
5.2) Release triggers on connectors to disconnect.
Lexus LS400 Front Speaker Removal and Installation
Lexus
LS400 Front Door Panel Removal For Replacement of Factory
Installed Speakers
1.1) Remove one screw, pull top edge of plastic mounting tab
forward then up to release bottom clip.
2.1) Remove one screw from door
panel AC duct.
3.1) Remove four screws along
bottom edge of door panel.
3.2) Remove one screw from door pull.
4.1) Pry door panel control from back edge up.
4.2) Remove connectors from panel and set to side.
*NOTE - pry below black plastic not from top wood grain panel. The wood grain panel may separate
from housing, it can be glued.
5.1) Remove one exposed screw.
6.1) Pry door handle trim down on
bottom to release tab and up above door lock.
7.1) Release six clips on door
panel starting at bottom of panel.
7.2) Pull leading edge of door panel away from door so it
clears above panel and lift door panel up out of window jam.
8.1) Release connector to
courtesy light and set panel to side.
9.1) Remove four screws from
enclosure trim securing speaker.
*NOTE - The tricky part! An aftermarket
4" speaker does not fit enclosure cavity properly. From the box the speakers were
purchased in, cut a gasket to fit.
*NOTE -
You may have to cut a notch in the one corner of a speaker screw mounting
to allow a small notch on the surface of the speaker enclosure to mate to
the speaker trim ring cover.
10.1) Mount new speaker.
*NOTE - We have found that a two way speaker sounds better than the original. The
factory speaker is not available alone. To purchase the entire enclosure
with speaker $240-350 per enclosure from dealership.
Lexus LS400 Rear Speaker Removal and Replacement
Lexus LS400 Rear Door Panel and
Speaker Removal
1.1) Remove plastic screw cover and remove exposed screw.
*NOTE - Be
careful when removing and reinstalling door panel,
Child Safety Lock switch is in a spot where it may be damaged. This picture has the
control broken, we were not the first to remove this panel.
2.1) Pry door handle trim down on
bottom to release tab and up above door lock.
3.1) Remove ash tray and one exposed
screw.
4.1) Pry door panel control from back edge up.
4.2) Remove connectors from panel and set to side.
*NOTE - pry below black plastic not from top wood grain
panel. The wood grain panel may separate from housing, it can be glued.
5.1) Remove one exposed screw.
6.1) Remove one screw from below
arm rest.
7.1) Remove three screws from
bottom of door panel.
7.2) Release six clips on door panel starting at bottom of
panel.
7.3) Pull edge of door panel away from door so it clears above
panel, Child Safety Lock and lift door panel up out of window jam.
Pictured here is front door panel, Tech
Tips for speaker replacement are the same.
*NOTE - The tricky part! An aftermarket
4" speaker does not fit enclosure cavity properly. From the box the speakers were
purchased in, cut a gasket to fit.
*NOTE -
You may have to cut a notch in the one corner of a speaker screw mounting
to allow a small notch on the surface of the speaker enclosure to mate to
the speaker trim ring cover.
8.1) Mount new speaker.
*NOTE - We have found that a 4" two way speaker sounds better than the original. The
factory speaker is not available alone. To purchase the entire enclosure
with speaker $240-350 per enclosure from dealership.
Aftermarket Car Stereo
Wire Color Codes
Factory Wire Harness, Color Codes and Aftermarket Installation
Speaker Phasing
Installing Aftermarket Speakers and Proper Hook-up
NO AUDIO
With aftermarket stereo installation?
Erratic Volume Control
DIY Repair
DO-IT-YOURSELF Repair '92-00 LEXUS Loss of Volume
Symptom - Loss of volume Cause - Water damage, causing mute line to short and activate Needed tools - Corrosion chemical (spray) and brush
1) Remove rear seat by pulling up on front edge of seat cushion. At the middle of each seated passenger.
2) Pull rear seat cushion forward releasing seat from seat belt mounts.
NOTE - Disconnecting the orange connector and powering the stereo on will help determine if this is the problem. If your volume comes back, the factory pre-wired cell phone accessory "Mute" line is shorted.
1) At front edge of rear drivers seat, you will notice two connectors.
2) Release trigger on connectors and remove. (Orange connector, pictured here), look closely, there is corrosion build up on the connector.
3) Spray, clean both male and female connectors with brush.
*NOTE - 1) Notice water under rear seat in this picture.
*NOTE - 2) Orange connector shows spots of corrosion.
* Also, this problem may be found in the trunk.
1) At the amplifier (Passenger side trunk panel)
2) Where the factory telephone may or may not be installed, behind side trunk panel on drivers side). CHECK CONNECTORS FOR CORROSION / WATER DAMAGE!
There is another problem with low volume that has come to our attention recently.
If you have the factory installed cellular telephone disconnect it! See if volume returns.
