2012 Lexus LFA check engine

137
2-2. Instrument cluster
2
When driving
“Cannot measure” displayIf measurement cannot be per-
formed, the item with “No” dis-
played may be the cause. Check
the following items and then
attempt to perform the measure-
ment again:
If the measuring function does not work even after all the above condi-
tions have been met, have the vehicle inspected by your Lexus dealer.
ItemDetailsCorrection procedure
Engine Warm The engine oil has not
warmed sufficiently. Measure when the engine
oil temperature is between
203
F and 230 F (95 C
and 110 C).
Idling The engine speed is too low
or too high. Measure when the engine
speed is between 900 rpm
and 1100 rpm.
Stationary The vehicle is not com-
pletely stationary. Measure when the vehicle
is completely stopped with
Neutral selected and the
parking brake set.
Vehicle Level The vehicle is parked on an
incline. Measure when the vehicle
is on level ground with an
incline of 4 degrees or less.

175
2-4. Using other driving systems
2
When driving
■Start-off acceleration
Start-off acceleration depends on how much the accelerator pedal is depressed.
■Usage restrictions
●Launch control cannot be set if the total mileage shown on the odometer is less
than 310 miles (500 km).
●Launch control cannot be set until the engine and transmission are fully warmed
up. Before using launch control, warm up the vehicle by driving it.
●Launch control cannot be set if there is a malfunction in the engine, transmis-
sion, drive control system or other relevant systems.
●As launch control places a significant load on the vehicle's mechanisms, it can-
not be used two or more times in succes sion. After using launch control, cruise
at a normal speed for approximately 10 minutes to allow vehicle mechanisms to
cool down.
●To protect the systems, the number of times that launch control can be used is
limited. To check how many times launch control has been used on your vehicle,
contact your Lexus dealer.
CAUTION
■Launch control precautions
●Do not use on public roads.
●Use only when road and ambient conditions are safe.
●Before use, ensure that no people or obstructions are nearby.
●Proper use of launch control requires a professional level of driving skill. When
driving, always check track conditions and the surrounding area.
NOTICE
■To prevent system damage
●Always follow the correct operation procedures as described in this manual.
●Only use launch control on dry, paved ro ad surfaces, as slippery or loose road
surfaces may cause damage to the vehicle's mechanisms.

180
2-5. Driving information
Winter driving tips
Carry out the necessary preparations and inspections before driving the
vehicle in winter. Always drive the vehicle in a manner appropriate to the pre-
vailing weather conditions.
■ Pre-winter preparations
●Use fluids that are appropriate to the prevailing outside tempera-
tures.
• Engine coolant
• Washer fluid
● Have the vehicle fitted with four snow tires.
Ensure that all tires are the specified size and the same brand.
■Before driving the vehicle
Perform the following according to the driving conditions.
● Do not try to forcibly open a window or move a wiper that is frozen.
Pour warm water over the frozen area to melt the ice. Wipe away
the water immediately to prevent it from freezing.
● To ensure proper operation of the climate control system fan,
remove any snow that has accumulated on the air inlet vents in front
of the windshield.
● Remove any ice that has accumu lated on the vehicle chassis.
● Periodically check for and remove any excess ice or snow that may
have accumulated in the wheel well or on the brakes.
■ When driving the vehicle
Accelerate the vehicle slowly and driv e at a reduced speed suitable to
road conditions.

Maintenance and care4
227
4-1. Maintenance and careCleaning and protecting the vehicle exterior............ 228
Cleaning and protecting the vehicle interior .............. 235
4-2. Maintenance Maintenance requirements ........................ 240
General maintenance .......... 242
Emission inspection and maintenance (I/M)
programs................................ 246 4-3. Do-it-yourself
maintenance
Do-it-yourself service precautions ............................ 247
Hood .......................................... 250
Positioning a floor jack ......... 253
Engine compartment ........... 256
Adding washer fluid .............. 264
Battery ...................................... 265
Tires............................................ 270
Tire inflation pressure............ 277
Wheels ....................................... 281
Air conditioning filter ........... 283
Wireless remote control battery .................................... 285
Checking and replacing fuses ........................................ 287
Light bulbs ................................ 299

242
4-2. Maintenance
General maintenance
Listed below are the general maintenance items that should be performed at
the intervals specified in the “Warranty and Services Guide” or “Owners
Manual Supplement”. It is recommended that any problem you notice should
be brought to the attention of your Lexu s dealer or qualified service shop for
advice.
Engine compartment
Luggage compartment
ItemsCheck points
Brake fluid Is the brake fluid at the correct level?
(P. 2 6 2 )
Engine coolant Is the engine coolant at the correct
level? (
P. 2 6 0 )
Engine oil Is the engine oil at the correct level?
(P. 1 3 2 )
Exhaust system There should not be any fumes or
strange sounds.
Condenser The condenser should be free from
foreign objects. (
P. 2 6 1 )
ItemsCheck points
Battery Check the connections. ( P. 2 6 5 )

244
4-2. Maintenance
Vehicle exterior
Seats• Do the seat controls operate prop-
erly?
Steering wheel • Does the steering wheel rotate
smoothly?
• Does the steering wheel have the
correct amount of free play?
• There should not be any strange sounds coming from the steering
wheel.
ItemsCheck points
Doors • Do the doors operate smoothly?
Engine hood • Does the engine hood lock system
work properly?
Fluid leaks • There should not be any signs of
fluid leakage after the vehicle has
been parked.
Ti r e s • Is the tire inflation pressure cor-
rect?
• The tires should not be damaged or excessively worn.
• The wheel bolts should not be loose.
Wa s h e r f l u i d • Is there sufficient washer fluid?
( P. 2 6 4 )
ItemsCheck points

245
4-2. Maintenance
4
Maintenance and care
CAUTION
■If the engine is running
Turn the engine off and ensure that there is adequate ventilation before performing
maintenance checks.

251
4-3. Do-it-yourself maintenance
4
Maintenance and care
Insert the supporting rod into the
slot positioned on the side of the
engine compartment.
Be sure that the supporting rod is
fully inserted into the slot.
Insert the supporting rod into the
slot on the hood.
STEP4
STEP5
CAUTION
■Pre-driving check
Check that the hood is fully closed and locked.
If the hood is not locked properly it may open while the vehicle is in motion and
cause an accident, which may result in death or serious injury.
■After inserting the supporting rod
Check to make sure that the supporting rod is properly inserted. Failure to do so
may result in the hood closing by itself and possibly causing an injury.