2006 LEXUS LS430 maintenance

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4-3. Do-it-yourself maintenance
4
Maintenance and care
Wireless remote control battery
Replace the battery with a new one if it discharges.
■You will need the following items:
• Small phillips-head sc rewd
river
• (TYPE A: CR2032, TYPE B: CR1616)
Ty p e A
Remove the cover with the screw-
driver while pushing the lock switch.
Remove the module.
Remove the battery base out of the
module.

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4-3. Do-it-yourself maintenance
Insert a new battery with the + termi-
nal facing up.
Ty p e B
Remove the screw.
Push the cover in the
direction of the arrow and
r
emove it.
Remove the module.
Remove the two screws
and the module cover.
Insert a new battery with
the + terminal facing up.
Screw Cover
Screw Module
Battery

297
4-3. Do-it-yourself maintenance
4
Maintenance and care
■If the wireless remote control key battery is discharged
The following symptoms may occur.
• The wireless remote control does not function properly.
• The operation distance becomes shorter.
• The brightness of the LED on the remote c
ontrol decreases or does not light up.
■Use specified lithium battery
Batteries can be purchased at your Lexus dealer, jeweler, or camera store.
■Checking remote control operation after replacing the battery
Push any of the buttons on the remote control and check that the LED lights up.
CAUTION
■Removed battery and other parts
Keep away from children.
These parts are small and if swallowed by a child they can cause choking.
NOTICE
■For normal operation after replacing the battery
Observe the following precautions when replacing the wireless remote control’s
ba
ttery.
• Always replace the battery with clean hands. 
Moisture may cause the battery to rust.
• Do not touch or move any other comp o
nents inside the remote control.
• Do not bend either of the battery terminals.
• Do not let foreign objects, oils, etc. enter the module.
• Do not to lose the screws or O-ring.
• Do not to bend or damage the O-ring when replacing the module cover.

298
4-3. Do-it-yourself maintenance
Blade fuses
If a light does not turn on or if any of the electrical components do not operate,
a fuse may have blown. If this happens check and replace the fuses as neces
-
sary. 
If after replacing the fuse the light stil l
does not illuminate, the bulb may need
replacing.
Turn the ignition switch to the LOCK position.
Open the fuse box cover.
Fuse box inside the engine compartment
Push the tabs in and lift the lid off.
Fuse box inside the driver’s side
kick panel
Pull the tab and remove the lid.

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4-3. Do-it-yourself maintenance
4
Maintenance and care
Fuse box inside the passenger’s
side kick panel
Pull the tab and remove the cover.
Fuse box in the trunk
Pull the tab and remove the cover.
Inspect the suspected fuse and refer to “Fuse layout and amper -
age rating”. (
P. 300)
Remove the fuse with the pull-out tool
and check if it has blown.
Spare fuses
Pull out tool1
2

300
4-3. Do-it-yourself maintenance
Fuse layout and amperage rating
■Engine compartment fuse box (with electronically modulated air
suspension)
Determining if it fuse has blown.
Blown fuse
Replace it with one of an appropri -
ate amperage rating. The amper -
age rating can be found on the fuse
bo
x lid.
Normal fuse
If the lights do not turn on even
after the fuse has been replaced, a
bulb may need replacement.
(
P.313)
If the replaced fuse blows again, have the vehicle inspected by your Lexus
dealer
.
1
2

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4-3. Do-it-yourself maintenance
4
Maintenance and care
FuseAmpereCircuit
LUG J/B50
All components in "RR SEAT RH", "RR
SEAT LH", "S/ROOF, "AMP", "RRIG", "RR
ECU-B", "P P/SEAT", "RR S/HTR", "RR S/
SHADE", "RR A/C", "RR ACC", "FUEL
OPN" and "LCE LP", Tail lights and Stop
lights
ABS 250Vehicle stability control system
HEATER50Air conditioning system
ABS 130Vehicle stability control system
DEFOG40Rear window defogger
AIR SUS40Electronically modulated air suspension
system
R/B60
All components in "FR FOG", "TAIL",
"WASHER", "FR IG", "WIP", "H-LP CRN",
and "A/C IG"
FA N80Air conditioning system
D-J/B80
All components in "TI &TE", "DP/SEAT",
"A/C" "OBD", "STOP", "AM1", "MPX-IG",
"ABS-IG", "GAUGE", "AIRSUS", "D S/
HTR", "SECURITY", "PANEL", "D B/
ANC", "POWER OUTLET", "D-CIG", "D
RR-IG" and "D-ACC"
A LT140Charging system
P-J / B80
All components in "RR DOOR RH", "RR
DOOR LH", "D DOOR", "H-LP LVL", "P
DOOR", "P S/HTR", "P-IG", "P-ACC", "P
B/ANC", "P-CIG", "TEL" and "P RR-IG"
B AT T30All components in "RADIO NO.1", "AM2",
"HAZ" and "STR LOCK"
ST30Starting system
D/C CUT20All components in "DOME", "MPX-B1",
and "MPS-B3"
A LT- S5Charging system
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4-3. Do-it-yourself maintenance
■Engine compartment fuse box (with out electronically modulated air
suspension)
FuseAmpereCircuit
ABS 250Vehicle stability control system
HEATER50Air conditioning system
ABS 130Vehicle stability control system
DEFOG40Rear window defogger
AIR SUS40Electronically modulated air suspension
system
FA N50Air conditioning system
R/B60
All components in "FR FOG", "TAIL",
"WASHER", "FR IG", "WIP", "H-LP CRN",
and "A/C IG"
FA N80Air conditioning system
D-J/B80
All components in "TI &TE", "DP/SEAT",
"A/C" "OBD", "STOP", "AM1", "MPX-IG",
"ABS-IG", "GAUGE", "AIRSUS", "D S/
HTR", "SECURITY", "PANEL", "D B/
ANC", "POWER OUTLET", "D-CIG", "D
RR-IG" and "D-ACC"
A LT140Charging system
P-J / B80
All components in "RR DOOR RH", "RR
DOOR LH", "D DOOR", "H-LP LVL", "P
DOOR", "P S/HTR", "P-IG", "P-ACC", "P
B/ANC", "P-CIG", "TEL" and "P RR-IG"
B AT T30All components in "RADIO NO.1", "AM2",
"HAZ" and "STR LOCK"
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