2012 Lexus IS220d engine

5
465
5-1. Essential information
When trouble arises
IS250/220d/200d_EE
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably
needs adjustment or repair. Contact any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional, as soon
as possible.
Visible symptoms
Fluid leaks under the vehicle
(Water dripping from the air conditioning after use is nor-
mal.)
Flat-looking tires or uneven tire wear
Engine coolant temperature gauge needle continually points
higher than normal
Audible symptoms
Changes in exhaust sound
Excessive tire squeal when cornering
Strange noises related to the suspension system
Pinging or other noises related to the engine
Operational symptoms
Engine missing, stumbling or running rough
Appreciable loss of power
Vehicle pulls heavily to one side when braking
Vehicle pulls heavily to one side when driving on a level
road

466
5-1. Essential information
IS250/220d/200d_EE
Fuel pump shut off system (IS250 only)
NOTICE
Before starting the engine
Inspect the ground under the vehicle.
If you find that fuel has leaked on to the ground, the fuel system has been
damaged and is in need of repair. Do not restart the engine.
To minimize the risk of fuel leakage when the engine stalls or an air-
bag inflates upon collision, the fuel pump shut off system stops sup-
plying fuel to the engine.
Follow the procedure below to restart the engine after the system
is activated.
Turn “ENGINE START STOP” switch to the ACCES-
SORY mode or OFF.
Restart the engine.
STEP1
STEP2

468
5-2. Steps to take in an emergency
IS250/220d/200d_EE
Stop the vehicle immediately.
The following warning indicates the possibility of damage to the
vehicle that may lead to an accident. Immediately stop the vehicle
in a safe place and contact any authorized Lexus dealer or repairer,
or another duly qualified and equipped professional.
Have the vehicle inspected immediately.
Failing to investigate the cause of the following warnings may lead
to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional,
immediately.
Warning lightWarning light/Details
Charging system warning light
Indicates a malfunction in the vehicle’s charging system.
Warning lightWarning light/Details
Malfunction indicator lamp
Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system;
• The electronic automatic transmission control system.
SRS warning light
Indicates a malfunction in:
• The SRS airbag system;
• The seat belt pretensioner system.
ABS warning light
Indicates a malfunction in:
•The ABS;
• The brake assist system.

5
475
5-2. Steps to take in an emergency
When trouble arises
IS250/220d/200d_EE
Stop the vehicle immediately.
A buzzer sounds and a warning message is shown on the multi-
information display. The following warning indicates the possibil-
ity of damage to the vehicle that may lead to an accident. Immedi-
ately stop the vehicle in a safe place and contact any authorized
Lexus dealer or repairer, or another duly qualified and equipped
professional.
Have the vehicle inspected immediately.
A buzzer sounds and a warning message is shown on the multi-
information display. Failing to investigate the cause of the follow-
ing warnings may lead to the system operating abnormally and
possibly cause an accident. Have the vehicle inspected by any
authorized Lexus dealer or repairer, or another duly qualified and
equipped professional, immediately.
Warning messageDetails
(Flashing)
Indicates an abnormal engine oil pressure.
The warning light may turn on if the engine oil
pressure is too low.
Warning messageDetails
(Flashing)
Indicates a malfunction in the steering lock sys-
tem.

478
5-2. Steps to take in an emergency
IS250/220d/200d_EE
Indicates that the trunk
is not fully closed.
flashes and a
buzzer sounds to indi-
cate that trunk is not
fully closed (with the
vehicle having reached
a speed of 5 km/h [3
mph]).
Close the trunk.
(Flashing)
(If equipped)
Indicates that the moon
roof is not fully closed
(with the “ENGINE
START STOP” switch
OFF and the driver's
door opened).
Close the moon roof.
Indicates that the park-
ing brake is still
engaged.
flashes and a
buzzer sounds to indi-
cate that the parking
brake is still engaged
(with the vehicle hav-
ing reached a speed of
5 km/h [3 mph]).
Release the parking
brake.
Warning messageDetailsCorrection procedure

5
479
5-2. Steps to take in an emergency
When trouble arises
IS250/220d/200d_EE
Indicates that the
washer fluid level is
low.
Add washer fluid.
Indicates that engine oil
level is low.
Check the level of
engine oil, and add if
necessary.
This message may
appear if the vehicle is
stopped on a slope.
Move the vehicle to a
level surface and
check to see if the
message disappears.
(IS220d and IS200d)
Indicates that the engine
oil and oil filter should
be changed.
Check and change the
engine oil and oil filter
by any authorized
Lexus dealer or repairer,
or another duly quali-
fied and equipped pro-
fessional.
(Flashing)
(If equipped)
Indicates that the pre-
crash safety system is
not currently functional.
• Clean the grille and
the sensor.
• Wait until the pre-
crash safety system
cools down.
Warning messageDetailsCorrection procedure

482
5-2. Steps to take in an emergency
IS250/220d/200d_EE
Follow the correction procedures.
After taking the specified steps to correct the suspected problem,
check that the warning light turns off.
Inte-
rior
buzzerExte-
rior
buzzer
Warning messageDetailsCorrection
procedure
Once(Comes on for 10 sec-
onds.)
(Flashing)
Indicates that an
attempt was
made to start the
engine without
the electronic
key being pres-
ent, or the elec-
tronic key was
not functioning
normally.
Start the engine
with the elec-
tronic key
present. *
Once3
times
(Flashing)
Indicates that a
door other than
the driver’s door
has been opened
or closed with
the “ENGINE
START STOP”
switch in any
mode other than
OFF and the
electronic key
outside of the
detection area.
Confirm the
location of the
electronic key.

5
483
5-2. Steps to take in an emergency
When trouble arises
IS250/220d/200d_EE
Once3
times
(Vehicles with an
automatic transmis-
sion)
(Flashing)
Indicates that
the driver’s door
has been opened
or closed with
the shift lever in
P, the “ENGINE
START STOP”
switch in any
mode other than
OFF and the
electronic key
outside of the
detection area.
Turn the
“ENGINE
START STOP”
switch OFF or
confirm the
location of the
electronic key.
Once
Con-
tinu-
ous
(Displayed alter-
nately)
(Vehicles with an
automatic transmis-
sion)
(Flashing)
Indicates that
the driver’s door
has been opened
or closed (with
the shift lever
out of in P, the
“ENGINE
START STOP”
switch in any
mode other than
OFF and the
electronic key
outside of the
detection area).
• Shift the shift
lever to P.
• Confirm the
location of the
electronic key.
Inte-
rior
buzzerExte-
rior
buzzer
Warning messageDetailsCorrection
procedure