Lexus ES350 2011 Owner's Manuals

409
4-3. Do-it-yourself maintenance
4
Maintenance and care
ES350_U
Air conditioning filter
The air conditioning filter must be cleaned or changed regularly to main-
tain air conditioning efficiency.
■Replacement method
Turn the “ENGINE START STOP” switch OFF.
Open the glove box. Remove
the glove box cover.
Remove the filter cover.
Remove the filter.
Be sure that the correct side of
the filter faces up when installing
it.
STEP1
STEP2
STEP3
STEP4

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4-3. Do-it-yourself maintenance
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■Checking interval
Inspect, clean and replace the air conditioning filter according to the maintenance
schedule. In dusty areas or areas with heavy traffic flow, more frequent cleaning or
early replacement may be required. (For scheduled maintenance information,
please refer to the “Warranty and Services Guide/Owner's Manual Supplement/
Scheduled Maintenance”.)
■If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if necessary.
NOTICE
■To prevent damage to the system
●When using the air conditioning system, make sure that a filter is always installed.
●When cleaning the filter, do not clean the filter with water.
■Cleaning method
If the filter is dirty, clean by blow-
ing compressed air through the
filter from the downward side.
Hold the air gun 2 in. (5 cm)
from the filter and blow for
approximately 2 minutes at 72
psi (500 kPa, 5.0 kgf/cm
2 or
bar).
If it is not available, have the filter
cleaned by your Lexus dealer.

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4-3. Do-it-yourself maintenance
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Maintenance and care
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Electronic key battery
Replace the battery with a new one if it is discharged.
■You will need the following items:
●Flathead screwdriver
● Small Phillips-head screwdriver
● Lithium battery (CR1632)
■ Replacing the battery
Take out the mechanical key.
Remove the cover.
Remove the depleted battery.
Insert a new battery with the +
terminal facing up.
STEP1
STEP2
STEP3

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4-3. Do-it-yourself maintenance
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■If the electronic key battery is discharged
The following symptoms may occur.
●The smart access system with push-button start and wireless remote control will
not function properly.
●The operational range is reduced.
■Use a CR1632 lithium battery
●Batteries can be purchased at your Lexus dealer, jewelers, or camera stores.
●Replace only with the same or equivalent type recommended by a Lexus dealer.
●Dispose of used batteries according to the local laws.
CAUTION
■Removed battery and other parts
Keep away from children. These parts are small and if swallowed by a child, they can
cause choking. Failure to do so could result in death or serious injury.
NOTICE
■For normal operation after replacing the battery
Observe the following precautions to prevent accidents.
●Always work with dry hands.
Moisture may cause the battery to rust.
●Do not touch or move any other components inside the remote control.
●Do not bend either of the battery terminals.

413
4-3. Do-it-yourself maintenance
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Maintenance and care
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Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have blown.
If this happens, check and replace the fuses as necessary.
Turn the “ENGINE START STOP” switch OFF.
Remove the engine compartment cover. (→P. 382)
Open the fuse box cover.
Engine compartment
Push the tabs in and lift the lid
off.
Driver's side instrument panel Remove the lid.
After a system failure, see “Fuse layout and amperage ratings”
(→ P. 416) for details about which fuse to check.STEP1
STEP2
STEP3
STEP4

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4-3. Do-it-yourself maintenance
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Remove the fuse with the pull-
out tool.
Check if the fuse has blown.
Ty p e A
Normal fuse
Blown fuse
Replace it with one of an appro-
priate amperage rating. The
amperage rating can be found
on the fuse box lid.
Ty p e BNormal fuse
Blown fuse
Replace it with one of an appro-
priate amperage rating.
STEP5
STEP6

415
4-3. Do-it-yourself maintenance
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Maintenance and care
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Ty p e CNormal fuse
Blown fuse
Contact your Lexus dealer.

416
4-3. Do-it-yourself maintenance
ES350_U
Fuse layout and amperage ratings■ Engine compartment
FuseAmpereCircuit
1PSB30 APre-collision seat belt
2H-LP CLN30 A
3P-P / SEAT30 APo w e r s e a t
4RR DEF50 ARear window defogger
5ABS NO.230 AAnti-lock brake system, vehicle stabil-
ity control system
6FAN MAIN50 AElectric cooling fans
7ABS NO.150 AAnti-lock brake system, vehicle stabil-
ity control system
8HTR50 AAir conditioning system
9RR FOG10 A
10ALT-CDS10 AAlternator condenser
11ST30 AStarting system

417
4-3. Do-it-yourself maintenance
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Maintenance and care
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12A LT140 A
PSB, H-LP CLN, P-P/SEAT, RR DEF,
ABS NO.2, FAN MAIN, ABS NO.1,
HTR, RR FOG, RR DOOR RH, RR
DOOR LH, FUEL OPN, FR FOG,
OBD, STOP, TI & TE, A/C, PWR,
DOOR NO.2, S/ROOF, GAUGE
NO.2, POWER, P/SEAT
13STR LOCK20 ASteering lock system
14IG220 A
GAUGE NO.2, IGN, multiport fuel
injection system/sequential multiport
fuel injection system
15HAZ15 ATurn signal lights
16ETCS10 AElectronic throttle control system
17E-ACM10 AElectric active control mount
18A/C CTRL PNL15 AAir conditioning system
19MAYDAY10 AMayday system
20A LT- S7. 5 ACharging system
21AM27. 5 AStarting system
22EFI MAIN30 AEFI NO.2, EFI NO.3, fuel system, ECT
system
23AMP30 AAudio system
24AMP230 AAudio system
25DOOR NO.125 APower door lock system
26R A D I O N O.115 AAudio system
27ECU-B NO.110 AECU powers
28DOME10 AInterior lights, meters, vanity lights
29H-LP (LH)15 ALeft-hand headlight (high beam)
FuseAmpereCircuit

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30H-LP (RH)15 ARight-hand headlight (high beam)
31H-LP (LL)15 ALeft-hand headlight (low beam)
32H-LP (RL)15 ARight-hand headlight (low beam)
33HORN10 AHorns
34EFI NO.110 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem, ECT system
35M PX- B10 AMeters
36A/F20 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
37S-HORN7. 5 AS-HORN
38EFI NO.215 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
39EFI NO.310 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
FuseAmpereCircuit