2012 Lexus LFA check engine light

123
2-2. Instrument cluster
2
When driving
■Warning lights
Warning lights inform the driver of ma lfunctions in any of the vehicle’s
systems. ( P. 312)
*1: These lights turn on when the ignition switch is turned to the “ON” position
to indicate that a system check is being performed. They will turn off after the
engine is started, or after a few seconds. There may be a malfunction in a sys-
tem if a light does not come on, or if th e lights do not turn off. Have the vehi-
cle inspected by your Lexus dealer.
*2: The display flashes to indicate that the engine oil temperature is too high.
*3: These displays flash to indicate that the engine coolant temperature is too
high.
(U.S.A.) (Canada) (U.S.A.) (Canada)
(Comes on)(U.S.A.) (Canada) (For
driver) (For pas-
senger)
CAUTION
■If a safety system warning light does not come on
Should a safety system lig ht such as the ABS or SRS warning light not come on
when you start the engine, this could mean that these systems are not available to
help protect you in an accident, which could result in death or serious injury. Have
the vehicle inspected by your Lexus dealer immediately if this occurs.
*1*1*1*1*1*1*1
*1*1*1*1*1*1
*2*3*3

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

363
6-1. Specifications
6
Vehicle specifications
Electrical system
Front counter gear
Rear transaxle
Your Lexus vehicle is filled with “Toyota Genuine Differential Gear Oil” at the fac-
tory. Use Lexus approved “Toyota Genuine Differential Gear Oil” or an equivalent
of matching quality that satisfies the above specifications. Please contact your
Lexus dealer for further details.
Clutch & Shift Hydraulic System Fluid
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 checked 20 minutes after the
engine and all the lights are turned off)
Charging rates 5 A max.
Engine oil
Oil brand“Mobil 1 5W-50” (also used for the engine)
Oil capacity5.6 qt. (5.3 L, 4.7 Imp. qt.)
Oil type and viscosity“Toyota Genuine Differential Gear Oil LT
75W-85 GL-5” or equivalent
Fluid type“Toyota Genuine Brake Fluid 2500H”
(change not needed)

405
Alphabetical index
Electric power steering ....................... 166
Emergency, in case ofIf the active rear wing will not operate ....................................... 325
If the engine will not start ............... 343
If the fuel filler door cannot be opened ............................................ 50
If the parking brake cannot be released ....................................... 345
If the rear hatch cannot be opened ....................................................29
If the vehicle has a discharged battery.................................................. 348
If the warning buzzer sounds........ 312
If the warning light turns on ............ 312
If the warning message is displayed .............................................322
If you have a flat tire ........................ 332
If you lose your keys ........................ 344
If you lose your wireless remote control ................................ 344
If you think something is wrong...................................................308
If your vehicle becomes stuck .... 354
If your vehicle has to be stopped in an emergency ......... 355
If your vehicle needs to be towed ................................................... 303
If your vehicle overheats.................. 351 Emergency flashers
Switch.......................................................302
Engine “ENGINE START” switch ...............98
Compartment......................................256
Engine coolant ................................... 260
Engine coolant temperature gauge....................................................... 116
Engine oil pressure gauge ............... 116
Engine oil temperature gauge ....... 116
Engine speed restrictions .................90
Engine starting restrictions............... 181
Hood ....................................................... 250
How to start the engine .....................98
Identification number ...................... 358
Idling with five cylinders.....................90
If the engine will not start................343
Ignition switch .........................................98
Overheating .......................................... 351
Tachometer ......................................... 260
Variable red zone................................. 119
Warning light ........................................ 314
Warning message ................. 324, 327
Engine coolant Capacity .................................................362
Checking .............................................. 260
Coolant type ........................................362
Engine coolant temperature gauge....................................................... 116
Preparing and checking before winter .....................................180E
*2: Refer to “Inside the LFA”.

406
Alphabetical index
Engine coolant temperature gauge......................................................... 116
Engine immobilizer system.................. 53
Engine oil Adding engine oil .............................. 257
Capacity ...................................................361
Checking ............................................... 257
Engine oil consumption..................258
Engine oil pressure gauge ............... 116
Engine oil temperature gauge ....... 116
Oil brand .................................................361
Temperature ......................................... 100
Warning message..................324, 327
Engine oil level ........................................ 132
Engine oil maintenance ....................... 132
Engine oil temperature.......................... 116
EPS .............................................................. 166
Event data recorder ............................. 310 First-aid kit ................................................ 218
Flatbed tow truck.................................. 306
Floor jack ................................................. 253
Floor mats ..................................................215
Fluid
Brake ........................................................262
Washer....................................................264
Front turn signal lights Switch .......................................................... 112
Replacing light bulbs ....................... 299
Wattage ..................................................367
Fuel Capacity ................................................ 360
Fuel gauge ................................................ 116
Fuel pump shut off system ............ 309
Fuel tank cap ...........................................49
Information ........................................... 368
Warning light......................................... 315
Fuel consumption .......................... 118, 132
Fuel filler door Fuel tank.....................................................49
Washer fluid .........................................264
Fuel pump shut off system................. 309
Fuses .......................................................... 287
Gauges Adding engine oil...............................257
Tire pressure.........................................270
Meter ........................................................... 116
Gear changes ......................................... 102
Glove box ................................................. 210F
G

412
Alphabetical index
Switch“ENGINE START” switch ............... 98
Active rear wing ..................................... 171
Air conditioning system......... 186, 194
Audio system ....................................... 202
AUTO driving mode button......... 104
Control pad ............................................125
Driving mode selector switch ...... 104
Emergency flasher switch ............. 302
Hazard light switch ........................... 302
Interior lights.........................................208
Light switches ....................................... 158
Paddle shift switches ..........................102
Parking brake ..........................................113
Power door lock switch .................... 25
Power window switch ........................ 46
Reverse selector switch .................. 103
Shift speed selector ............................107
Talk switch*
1............................................ 191
Turn signal lever ................................... 167
VSC off switch ........................................112
Wipers and washer switch ............ 160 Tachometer
Tacho indicator .................................... 129
Tachometer.............................................. 116
Rev Peak.................................................. 148
Tail lights Replacing light bulbs ....................... 299
Switch ........................................................158
Talk switch*
1................................................... 191
Theft deterrent system Alarm.......................................................... 55
Engine immobilizer system ..............53
Timer Lap timer ................................................. 142
Tire information Glossary ................................................. 377
Size ............................................................373
Tire identification number .............. 372
Uniform tire quality grading..........375
Tire inflation pressure ............... 132, 366
Tire inflation pressure gauge ........... 278
Tires Air gauge................................................278
Chains.........................................................181
Checking................................................270
If you have a flat tire ..........................332
Inflation pressure ..................... 132, 366
Inflation pressure sensor ................270
Information ............................................. 371
Size ........................................................... 366
Snow tires................................................180
Tire inflation pressure gauge........278
Tire inflation pressure label ........... 277
Tool bag....................................... 281, 332
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