check engine light LEXUS LX570 2014 User Guide

7994-3. Do-it-yourself maintenance
4
Maintenance and care
LX570_OM_OM60L21U_(U) Light bulbs You may replace the following bulbs yourself. The difficulty level of replace-
ment varies depending on the bulb. If necessary bulb replacement seems
difficult to perform, contact your Lexus dealer.
For more information about replacing other light bulbs, contact your Lexus
dealer.
■ Prepare a replacement light bulb
Check the wattage of the light bulb being replaced. (  P. 890)
■ Remove the engine compartment cover
 P. 74 8
■ Front bulb locations Headlight high beamFront turn signal light

8265-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) ■
If the malfunction indicator lamp comes on while driving
First check the following: ●
Is the fuel empty?
If it is, fill the fuel tank immediately. ●
Is the fuel tank cap loose?
If it is, tighten it securely.
The malfunction indicator lamp will go off after taking several driving trips.
If the malfunction indicator lamp does not go off even after several trips, contact
your Lexus dealer as soon as possible. ■
If the low speed four-wheel drive indicator light or the center differential lock
indicator light blinks
Take the specified steps. (  P. 333)
If the brake system warning light or the ma lfunction indicator light also comes on, or
the low speed four-wheel drive indicator light or the center differential lock indica-
tor light continues to blink after taking th e specified steps, there may be a malfunc-
tion in the engine, the brake system or the four-wheel drive system. In this case, you
may not be able to transfer between “H4” and “L4” modes, and the center differen-
tial lock may not be able to be locked or unlocked. Have the vehicle inspected by
your Lexus dealer, immediately. ■
Front passenger detection sensor and passenger seat belt reminder●
If luggage is placed on the front passenger seat, the front passenger detection
sensor may cause the warning light to flash, even if a passenger is not sitting in
the seat. ●
If a cushion is placed on the seat, the sensor may not detect a passenger, and the
warning light may not operate properly.

5
When trouble arises
8275-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) ■
SRS warning light
This warning light system monitors the following: ●
The airbag sensor assembly ●
Front impact sensors ●
Side impact sensors (rear) ●
Side impact sensors (front door) ●
Safing sensor (rear) ●
The driver’s seat belt buckle switch ●
The driver’s seat position sensor●
Front passenger’s seat belt buckle switch ●
The airbags ●
The interconnecting wiring and power sources ●
The front passenger occupa nt classification system●
“AIR BAG ON” and “AIR BAG OFF” indicator lights ●
The seatbelt pretensioners ●
The “RSCA OFF” indicator light■
Changing the engine oil
Make sure to reset oil change system ■
When the tire pressure warning light comes on
Check the tire inflation pressure and adjust to the appropriate level. Pushing the tire
pressure warning reset switch does not turn off the tire pressure warning light. ■
The tire pressure warning light may come on due to natural causes
The tire pressure warning light may come on due to natural causes such as natural
air leaks or tire inflation pressure changes caused by temperature. In this case,
adjusting the tire inflation pressure will turn off the warning light (after a few min-
utes).

5
When trouble arises
8295-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) ■
If the tire pressure warning light freque ntly comes on after blinking for 1 minute
If the tire pressure warning light frequently comes on after blinking for 1 minute
when the “ENGINE START STOP” switch is turned to IGNITION ON mode, have
it checked by Lexus dealer.
CAUTION■
If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could cause loss of
vehicle control and result in death or serious injury. ●
Stop your vehicle in a safe place as soon as possible. Adjust the tire inflation pres-
sure immediately. ●
If the tire pressure warning light comes on even after tire inflation pressure adjust-
ment, it is probable that you have a flat tire. Check the tires. If the tire is flat,
change to the spare tire and have the flat tire repaired by the nearest Lexus
dealer. ●
Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you could
lose control of the steering wheel or the brakes.■
If a blowout or sudden air leakage should occur
The tire pressure warning system may not activate immediately.

8425-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) Have the malfunction repaired immediately.
After taking the specified steps to co rrect the suspected problem, check
that the warning message and light go off. Interior
buzzer Exterior
buzzerWa r n i n g m e s s a g e Details Correction
procedure
Once
3 times
(Flashes) The electronic key
was carried out-
side the vehicle
and a door other
than the driver’s
door was opened
and closed while
the “ENGINE
START STOP”
switch was in a
mode other than
off. Bring the elec-
tronic key back
into the vehicle.
The driver’s door
was opened and
closed while the
electronic key was
not in the vehicle,
the shift lever was
in “P” and the
“ENGINE START
STOP” switch was
not turned off. Tu r n t h e
“ENGINE START
STOP” switch off
or bring the elec-
tronic key back
into the vehicle.

8645-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) Emergency start function
When the engine does no t start, the following s teps can be used as an
interim measure to start the engine if the “ENGINE START STOP” switch
is functioning normally.
Set the parking brake.
Put the shift lever in “P”.
Set the “ENGINE START STOP” switch to the ACCESSORY
mode.
Push and hold the “ENGINE START STOP” switch about 15 sec-
onds while depr essing the brake pedal firmly.
Even if the engine can be started using the above step s, the system may
be malfunctioning. Have the vehicle checked by your Lexus dealer.■ The starter motor does not turn over, the interior lights and head-
lights do not turn on, or the horn does not sound
One of the following may be the cause of the problem.
● One or both of the battery terminals may be disconnected.
● The battery may be discharged. (  P. 870)
● There may be a malfunction in the steering lock system.Contact your Lexus dealer, if the problem cannot be repaired, or if
repair procedures are unknown.
STEP 1
STEP 2
STEP 3
STEP 4

5
When trouble arises
8715-2. Steps to take in an emergency
LX570_OM_OM60L21U_(U) ■
Starting the engine when the battery is discharged
The engine cannot be started by push-starting. ■
Avoiding a discharged battery ●
Turn off the headlights and the audio system while the engine is off. ●
Turn off any unnecessary electrical compon ents when the vehicle is running at a
low speed for an extended period, such as in heavy traffic, etc.■
Charging the battery
The electricity stored in the battery will discharge gradually even when the vehicle
is not in use, due to natural discharge and the draining effects of certain electrical
appliances. If the vehicle is left for a long time, the battery may discharge, and the
engine may be unable to start. (The battery recharges automatically during driving.) ■
When the battery is removed or discharged ●
The power back door must be initialized. (  P. 6 0 )●
Make sure the key is not inside the vehicle when recharging or replacing the
battery. The key may be locked in the vehicle if the alarm is activated. (  P. 1 2 0 )Start the engine of the second vehicle. Increase the engine
speed slightly and maintain at that level for approximately 5
minutes to recharge the battery of your vehicle.
Open and close any of the do ors with the “ENGINE START
STOP” switch off.
Maintain the engine speed of th e second vehicle and turn the
“ENGINE START STOP” switch to IGNITION ON mode,
then start the vehicle’s engine.
Once the vehicle’s engine ha s started, remove the jumper
cables in the exact reverse ord er in which they were con-
nected.
Once the engine starts, have the vehicle checked at your Lexus dealer,
as soon as possible. STEP 3
STEP 4
STEP 5
STEP 6

8866-1. Specifications
LX570_OM_OM60L21U_(U) Electrical system
Differential
Your Lexus vehicle is filled with “Toyota Ge nuine Differential Gear Oil” at the fac-
tory.
Use Lexus approved “Toyota Genuine Differential Gear Oil” or an equivalent of
matching quality to satisfy the above specification. Please contact your Lexus
dealer for further details. Battery
Open voltage at 68  F (20  C): 12.6  12.8 V Fully charged
12.2  12.4 V Half charged
11.8  12.0 V Discharged
(Voltage is checked 20 minutes after the
engine and all lights are turned off.)
Charging rates 5 A max.
Oil capacity
Front
Rear 2.01 qt. (1.90 L, 1.67 Imp.qt.)
4.44 qt. (4.20 L, 3.70 Imp.qt.)
Oil type and viscosity Toyota Genuine Differential Gear Oil LT
75W-85 or equivalent

939Alphabetical index
LX570_OM_OM60L21U_(U) If the warning light turns on ............ 821
If the warning message is
displayed ............................................ 832
If you have a flat tire ........................ 849
If you lose your keys ........................866
If you think something is
wrong.....................................................819
If your vehicle becomes
stuck ..................................................... 876
If your vehicle has to be
stopped in an emergency ......... 878
If your vehicle needs to be
towed .....................................................813
If your vehicle overheats................ 873
Engine
Compartment ...................................... 747
Engine switch ........................................ 175
Hood ....................................................... 746
How to start the
engine .................................................... 175
Identification number........................ 881
If the engine will not start ............... 863
Ignition switch........................................ 175
Overheating......................................... 873
Engine coolant
Capacity................................................ 885
Checking ............................................... 753
Preparing and checking
before winter .....................................374
Engine coolant temperature
gauge .......................................................190
Engine immobilizer system ..................117 Engine oil
Capacity ................................................ 883
Checking ............................................... 749
Preparing and checking
before winter .................................... 374
Engine switch .......................................... 175
Event data recorder ............................... 25
First-aid kit holder...................................713
Floor mats ................................................. 710
Fluid
Brake .......................................................888
Power steering ...................................888
Washer .....................................................761
Fog lights
Replacing light bulbs ....................... 806
Switch........................................................ 218
Wattage ................................................. 890
Four-wheel drive system ...................330
Front passenger occupant
classification system .......................... 138
Front passenger’s seat belt
reminder light......................................823
Front seats
Adjustment ............................................... 67
Driving position memory ..................83
Front turn signal lights
Replacing light bulbs ....................... 803
Wattage ................................................. 890F

944Alphabetical index
LX570_OM_OM60L21U_(U) Rear window wiper and
washer switch .................................. 226
VIEW switch ......................................... 301
Window lock switch ..........................107
Wipers and washer
switch ....................................... 220, 226
Tachometer .............................................. 190
Tail lights
Switch ......................................................206
Talk switch ...........................441, 460, 631
Telephone switch ................................... 612
Theft deterrent system
Alarm .......................................................... 119
Engine immobilizer system .............. 117
Tie-down hooks .......................................712
Tire inflation pressure ........................... 771
Tire pressure warning system.......... 762
Tire information
Glossary................................................ 900
Size .......................................................... 889
Tire identification number ............ 896
Uniform tire quality grading ........ 898
Tires
Chains ..................................................... 374
Checking ............................................... 762
If you have a flat tire ..........................849
Inflation pressure.................................. 771
Replacing ...............................................854
Rotating tires ........................................ 762
Size .......................................................... 889
Snow tires .............................................. 374
Spare tire................................................849
Tools ...........................................................849 Total load capacity .............................. 880
Touch screen.......................................... 402
Towing
Dinghy towing .................................... 399
Emergency towing ............................. 814
Trailer towing .......................................379
TRAC ........................................................ 347
Traction control..................................... 347
Trailer towing ......................................... 379
Trip information display .....................200
Trip meter ................................................. 190
Turn signal lights
Replacing light bulbs ..........803, 805
Switch ........................................................ 187
Wattage .................................................890
Vanity lights
Vanity lights.......................................... 698
Wattage .................................................890
Vanity mirrors ........................................ 698
Variable gear ratio steering ............. 347
Vehicle data recordings ....................... 24
Vehicle identification
number ................................................... 881
Vehicle load limits ................................ 373
Vehicle stability control ..................... 347
Ventilators ............................................... 705
VGRS ........................................................ 347
Voice command
switch
* .............................. 441, 460, 631
VSC ........................................................... 347T
V