2010 Lexus ES350 ABS

406
4-3. Do-it-yourself maintenance
ES350_U
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. (oP. 3 74 )
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”
(o P. 409) for details about which fuse to check.STEP1
STEP2
STEP3
STEP4

409
4-3. Do-it-yourself maintenance
4
Maintenance and care
ES350_U
Fuse layout and amperage ratings■ Engine compartment
FuseAmpereCircuit
1PSB30 APre-collision seat belt
2H-LP CLN30 A
3P-P / SEAT30 APower seat
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

410
4-3. Do-it-yourself maintenance
ES350_U
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
13ST R LO C K20 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
19M AY D AY10 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
26RADIO NO.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

5
When trouble arises
441
5-2. Steps to take in an emergency
ES350_U
Follow the correction procedure.After taking the specified steps to correct the suspected problem, check
that the warning light turns off.
Warning lightWarning light/Details
(USA)
(Canada)
ABS warning light Indicates a malfunction in:
• The ABS; or
• The brake assist system.
Pre-collision system warning lightIndicates a malfunction in the pre-collision system.
Warning lightWarning light/DetailsCorrection procedure
Open door warning light
(warning buzzer
*1)
Indicates that a door or trunk
is not fully closed.Check that all doors and the
trunk are closed.
Low fuel level warning light
Indicates remaining fuel level
is low.
(Approximately 2.8 gal.
[10.5 L, 2.3 Imp.gal.] or less)
Refuel the vehicle.
Driver’s seat belt reminder
light (warning buzzer
*2)
Warns the driver to fasten his
or her seat belt.Fasten the seat belt.

5
When trouble arises
469
5-2. Steps to take in an emergency
ES350_U
CAUTION
■When using the compact spare tire
●Remember that your compact spare tire is specifically designed for use with your
vehicle. Do not use your compact spare tire on another vehicle.
●Do not use two compact spare tires simultaneously.
●Replace the compact spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, deceleration and braking, as well as sharp cornering.
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a compact spare tire is
installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failing to observe
this precaution may lead to an accident causing death or serious injury.
■When the compact spare tire attached
The vehicle speed may not be correctly detected, and the following systems may
not operate correctly:
●ABS & Brake assist
●VSC
●TRAC
●Navigation system (if equipped)

526
ES350_U
Abbreviation list
Abbreviation/Acronym list
ABBREVIATIONSMEANING
A /CAir Conditioning
ABSAnti-lock Brake System
AFSAdaptive Front lighting System
AI-SHIFTArtificial Intelligence Shift
ALRAutomatic Locking Retractor
CRSChild Restraint System
DISPDisplay
ECUElectronic Control Unit
EDREvent data recorder
ELREmergency Locking Retractor
G AW RGross Axle Weight Ratings
GVWRGross Vehicle Weight Rating
I/MEmission inspection and maintenance
L ATC HLower Anchors and Tethers for Children
LEDLight Emitting Diode
MMTMethylcyclopentadienyl Manganese Tricarbonyl
MTBEMethyl Tertiary Butyl Ether
OBDOn Board Diagnostics
PCSPre-Collision System
SRSSupplemental Restraint System
TINTire Identification Number
TPMSTire Pressure Warning System
TRACTraction Control

528
ES350_U
Alphabetical index
Alphabetical index
A/C ........................................................... 200
ABS................................................................ 171
Adaptive front lighting system ......... 146
AFS .............................................................. 146
Air conditioning filter ..........................402
Air conditioning systemAir conditioning filter ....................... 402
Automatic air conditioning system ..................................................200
Airbags
Airbag operating conditions........... 87
Airbag precautions for your child............................................................ 91
Airbag warning light ........................440
Curtain shield airbag operating conditions..............................................88
Curtain shield airbag precautions ............................................ 91
Front passenger occupant classification system......................... 96
General airbag precautions ............. 91
Locations of airbags............................ 85
Modification and disposal of airbags .................................................... 95
Proper driving posture ...............83, 91
Side airbag operating conditions..............................................88
Side airbag precautions ...................... 91
SRS airbags ............................................. 85 Alarm ............................................................ 80
Antenna ......................................................215
Anti-lock brake system ......................... 171
Armrest .................................................... 328
Ashtray........................................................321
Audio input.............................................. 252
Audio system
Antenna.................................................... 215
Audio input............................................252
AUX adapter .......................................252
CD player/changer ........................... 218
MP3/WMA disc................................226
Optimal use ......................................... 250
Portable music player ......................252
Radio ........................................................... 211
Steering wheel audio switch........ 253
Automatic air conditioning system ....................................................200
Automatic headlight leveling system ...................................................... 147
Automatic light control system.........145
Automatic transmission Automatic transmission ................... 128
If the shift lever cannot be shifted from P....................................473
S mode ..................................................... 129
AUX adapter ......................................... 252
Auxiliary box ............................................ 317A

539
What to do if...
ES350_U
■Warning lights
The warning light or indicator
light comes onP. 4 3 9If a warning light turns on or a warning
buzzer sounds...
or or
P. 4 3 9P. 440
P. 4 4 1
or
P. 440
or
P. 4 4 1P. 4 4 1
P. 440P. 4 4 1
P. 4 4 1P. 440
P. 440P. 4 4 1
Brake system warning lightMalfunction indicator lamp
“ABS” warning lightDriver’s seat belt reminder
light
Front passenger’s seat belt
reminder light
Low fuel level warning light
SRS warning lightMaster warning light
Open door warning lightPre-collision system warn-
ing light
Charging system warning
lightTire pressure warning light