2013 Lexus GX460 heater

662
4-3. Do-it-yourself maintenance
GX460_OM_OM60J63U_(U)
50ECU-B10 A
BODY ECU, meter, heater, steering
sensor, wireless remote control, seat
position memory, tilt and telescopic
steering, multi display, Smart access
system with push button start, folding
seat, cool box, DSS#2 ECU, steering
switch, D-module switch, overhead
module
51WSH FR NO.27. 5 ADSS#1 ECU
52H-LP RH-LO15 AHeadlight low beam (right), headlight
leveling system
53H-LP LH-LO15 AHeadlight low beam (left), headlight
leveling system
54INJ10 ACoil, injector, ignition, noise filter
55EFI NO.210 A
O2 SSR, AFM, ACIS VSV, AI
COMB, KEY OFF PUMP, EYP VSV,
EGR VALVE, CANISTER VSV, AI
VSV RLY, AI PUMP HTR RLY
56WIP FR NO.27. 5 ADSS#1 ECU
57WSH RR15 ARear window washer
58SPARESpare fuse
59SPARESpare fuse
60SPARESpare fuse
FuseAmpereCircuit

665
4-3. Do-it-yourself maintenance
4
Maintenance and care
GX460_OM_OM60J63U_(U)
19ECU-IG NO.210 A
Rear window defogger, outside rear
view mirror memory, seat heater/ven-
tilator switch, inverter relay, air condi-
tioning system, EC mirror, BODY
ECU, exhaust gas sensor, parking
assist sensor, navigation system,
DSS#2 ECU, meter switch, accessory
meter, folding seat ECU, O/H IG,
head light cleaner, rear air condition-
ing system, deicer, D-module, rain
sensor, air suspension, RR VLV ECU,
steering heater, LKA, P/SEAT IND
20S/HTR FR20 ASeat heater and ventilator
21P/ S E AT F R30 AFront power seat (right)
22DOOR P30 A
Front power window (passenger’s
side), outside rear view mirror mem-
ory
23DOOR10 APo w e r w i n d o w
24DOOR D25 AFront power window (driver’s side)
25DOOR RR25 ARear power window (right)
26S/ROOF25 AMoon roof
27WIP30 AWindshield wipers and washer
28WA S H E R20 AWindshield wipers and washer, rear
window wipers and washer
29COOLING10 ACool box
FuseAmpereCircuit

763
6-1. Specifications
6
Vehicle specifications
GX460_OM_OM60J63U_(U)
Cooling system
Ignition system
Capacity
(reference)
With rear
heater16.3 qt. (15.4 L, 13.6 Imp.qt.)
Without rear
heater14.5 qt. (13.7 L, 12.1 Imp.qt.)
Coolant type
Use either of the following:•“ToyotaSuper Long Life Coolant”
• A similar high-quality ethylene glycol-
based non-silicate, non-amine, non-nitrite,
and non-borate coolant with long-life
hybrid organic acid technology
Do not use plain water alone.
Spark plug
MakeDENSO SK20HR11
Gap0.043 in. (1.1 mm)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.

780
6-1. Specifications
GX460_OM_OM60J63U_(U)
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation
pressureTire pressure when the vehicle has been parked for
three hours or more, or has not been driven more
than 1 mile or 1.5 km under that condition
Maximum inflation pres-
sureThe maximum cold inflated pressure to which a tire
may be inflated, shown on the sidewall of the tire
Recommended inflation
pressureCold tire inflation pressure recommended by a man-
ufacturer
Accessory weight
The combined weight (in excess of those standard
items which may be replaced) of automatic trans-
mission, power steering, power brakes, power win-
dows, power seats, radio and heater, to the extent
that these items are available as factory-installed
equipment (whether installed or not)
Curb weight
The weight of a motor vehicle with standard equip-
ment, including the maximum capacity of fuel, oil
and coolant, and if so equipped, air conditioning and
additional weight optional engine
Maximum loaded
vehicle weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight

827
Alphabetical index
GX460_OM_OM60J63U_(U)
Back doorBack door .................................................57
Wireless remote control....................49
Back-up lights Replacing light bulbs ....................... 679
Wattage ................................................. 769
Battery Battery....................................................... 631
Checking ................................................. 631
If the vehicle has discharged battery.................................................. 746
Preparing and checking before winter ...................................... 371
Bluetooth
®*.................................470, 491
Bottle holders/door pockets........... 535
Brake Fluid ...........................................................627
Parking brake ........................................ 197
Brake assist ............................................. 339
Brake in tips .............................................. 173
Brightness control Multi-information display light control ................................................... 219
Instrument cluster light control...200
Care Exterior ................................................... 596
Interior.......................................................601
Seat belts ............................................... 602
Cargo capacity ..................................... 364
Cargo hooks .......................................... 565
Cargo net hooks .................................. 566 CD player/changer
*.......................... 429
Center differential lock/unlock ...... 327
Chains .........................................................371
Child restraint system Booster seats, definition .................. 150
Booster seats, installation ............... 158
Convertible seats, definition.......... 150
Convertible seats, installation ....... 158
Front passenger occupant classification system ....................... 143
Infant seats, definition ........................ 150
Infant seats, installation ..................... 158
Installing CRS with lower anchorages......................................... 156
Installing CRS with seatbelts ......... 158
Installing CRS with top straps....... 164
Child safety Airbag precautions ............................ 136
Battery precautions ............... 631, 748
Child restraint system ....................... 150
Child-protectors ................................... 53
How your child should wear the seatbelt............................................ 92
Installing child restraints................... 155
Moon roof precautions...................... 112
Power window lock switch ............ 105
Power window precautions .......... 107
Removed electronic key battery precautions ...................... 654
Seat belt extender precautions......96
Seat belt precautions .......................... 93
Seat heater precautions................. 559B
C
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.

830
Alphabetical index
GX460_OM_OM60J63U_(U)
Floor mats ................................................563
FluidBrake........................................................ 627
Power steering.................................... 629
Washer ...................................................635
Fog lights Replacing light bulbs........................ 674
Switch ...................................................... 237
Wattage.................................................. 769
Footwell light...........................................525
Four-wheel drive system ................... 326
Front passenger occupant classification system .......................... 143
Front passenger’s seat belt
reminder light...................................... 697
Front seats Adjustment............................................... 67
Driving position memory.................. 82
Front side marker light Replacing light bulbs........................ 675
Wattage.................................................. 769
Front turn signal lights Replacing light bulbs........................ 676
Switch ........................................................196
Wattage.................................................. 769
Fuel Capacity ................................................. 760
Fuel gauge ..............................................199
Fuel pump shut off system ............ 692
Gas station information..................844
Information............................................ 770
Refueling ....................................................113 Fuel door ..................................................... 113
Fuel filler door ........................................... 113
Fuel pump shut off system................. 692
Fuses .......................................................... 655
Garage door opener .......................... 574
Gas station information ..................... 844
Gauges .......................................................199
Glove box ................................................. 531
Glove box light ....................................... 531
Hands-free system for cellular
phones
*..................................................491
Hazard lights Switch ...................................................... 684
Head restraints Adjustment .............................................. 86
Headlights cleaner............................... 249
Headlights Adaptive front lighting system................................................... 227
Discharge headlights precautions ....................................... 682
Replacing light bulbs ......................... 671
Switch ....................................................... 223
Wattage ................................................. 769
Heaters Seat heaters ......................................... 557
Side mirror.............................................. 417
Heated steering ................................. 555
Height control Rear height control air suspension ........................................ 320
F
G
H

832
Alphabetical index
GX460_OM_OM60J63U_(U)
LightsDoor courtesy lights......................... 525
Emergency flasher switch .............684
Engine switch light ............................ 525
Fog light switch ................................... 237
Hazard light switch ...........................684
Headlights switch .............................. 223
Inside door handle light.................. 525
Interior lights list.................................. 525
Personal/interior lights ................... 527
Replacing light bulbs........................ 670
Running board lights........................ 525
Scuff lights.............................................. 525
Shift lever light ..................................... 525
Turn signal lever ...................................196
Vanity lights ..........................................545
Wattage.................................................. 769
Load capacity .........................................369
Luggage cover....................................... 567
Maintenance Do-it-yourself maintenance ........... 612
General maintenance ..................... 607
Maintenance data..............................758
Maintenance requirements ..........604
Reset the maintenance data........ 605
Meter Instrument cluster light control..................................................200
Meters .......................................................199
Micro dust and pollen filter............... 407
Mirrors Inside rear view mirror....................... 99
Side mirror heater ............................... 417
Side mirrors ............................................. 101
Vanity mirrors......................................545 Moon roof................................................. 108
MP3 disc.................................................. 437
Multi-information display
Brightness control .............................. 219
Multi-information display ........ 208, 216
Multi Terrain ABS ................................ 339
Multi-terrain Monitor .........................308
Multi-terrain Select..............................300
Navigation system
*
Noise from under vehicle .................... 20
Odometer .................................................199
Off-road precautions .........................358
Oil Engine oil............................................... 620
Opener Fuel filler door ......................................... 113
Hood ......................................................... 617
Outside rear view mirrors Adjusting and folding ..........................101
Driving position memory ..................82
Outside temperature display .......................................... 209, 216
Overhead console ............................... 539
Overheating, Engine .......................... 749
Parking assist sensors......................... 270
Parking brake........................................... 197
Parking lights Replacing light bulbs ....................... 675
Switch ....................................................... 223
Wattage ................................................. 769
PCS ............................................................ 347
M
N
O
P

833
Alphabetical index
GX460_OM_OM60J63U_(U)
Personal lightsPersonal lights..................................... 525
Switch .......................................................527
Wattage ................................................. 769
Power steering Fluid .......................................................... 629
Power outlet ............................... 548, 550
Power windows.......................................105
Pre-Collision System...........................347
Radar cruise control ............................254
Radiator.....................................................626
Radio ........................................................... 421
RDS (Radio Date System).................423
Rear height control air suspension ..................................... 320
Rear seat Adjustment .................................................71
Folding down the second seatbacks ...................................... 73, 74
Folding down the third seats ...........76
Rear side marker lights Replacing light bulbs ........................677
Wattage ................................................. 769
Rear step bumper ................................... 58
Rear turn signal lights Replacing light bulbs ........................677
Wattage ................................................. 769
Rear view mirror Compass ............................................... 582
Rear view monitor system ................ 285
Rear window defogger
*..................... 417
Rear window wiper and washer .....246 Replacing
Electronic key battery ......................652
Fuses........................................................ 655
Light bulbs ............................................ 670
Tires .......................................................... 726
Reporting safety defects for U.S. owners ........................................... 810
Scuff lighting ...........................................525
Seat belts Adjusting the seat belt ........................90
Automatic Locking Retractor...........91
Child restraint system installation ............................................ 155
Cleaning and maintaining the seat belts .................................... 602
Emergency Locking Retractor ..................................................91
How to wear your seat belt .............89
How your child should wear the seat belt .......................................... 92
Pre-collision seat belts .........................91
Pregnant women, proper seat belt use ......................... 92
Reminder light .....................................697
Seat belt extenders .............................. 93
Seat belt pretensioners ...................... 94
Seat heaters ............................................ 557
Seat position memory ............................ 82
Seat ventilator ........................................ 557
Seating capacity ....................................369
R
S
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.