ABS lexus LFA 2012 Technical Information / LEXUS 2012 LFA (OM77006U) User Guide

287
4-3. Do-it-yourself maintenance
4
Maintenance and care
Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have blown. If
this happens, check and replace the fuses as necessary.
Turn the ignition switch to the “LOCK” position.
Open the fuse box lid.
Engine compartment Push the tabs in and lift the lid off.
Driver's side instrument panel Remove the lid.
Passenger's side instrument panel Remove the lid.STEP1
STEP2

291
4-3. Do-it-yourself maintenance
4
Maintenance and care
8CDS FAN 40 A Electric cooling fan
9WIP40 A Windshield wiper
10ABS MTR1 50 A Electronically controlled brake system
11ACC CUT 7.5 A Starter system
12H-LP RH 15 A Headlight low/high beam (right-side)
13H-LP LH 15 A Headlight low/high beam (left-side)
14E/G IG 5 AMultiport fuel injection system/
sequential multiport fuel injection sys-
tem, ASG (Automated Sequential
Gearbox)
15IGN
10 AMultiport fuel injection system/
sequential multiport fuel injection sys-
tem, SRS airbag system, electronically
controlled brake system, electric
power control system
16EFI NO.2 10 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
17EFI NO.1
10 AMultiport fuel injection system/
sequential multiport fuel injection sys-
tem
18P/I
50 A INJ, A/PMP HTR, EFI, A/F HTR
19ST 30 A Starter system
20MAIN 30 A H-LP RH, H-LP LH
21ABS MTR2 50 A Electronically controlled brake system
22F/ P M P3 0 AMultiport fuel injection system/
sequential multiport fuel injection sys-
tem
FuseAmpereCircuit

294
4-3. Do-it-yourself maintenance
13D-IG1-35 AElectronically controlled brake sys-
tem, VDIM (Vehicle Dynamics Inte-
grated Management)
14ABS MAIN D2 10 A Electronically controlled brake system
15ABS MAIN D1 10 A Electronically controlled brake system
16STOP
10 AMultiport fuel injection system/
sequential multiport fuel injection sys-
tem, electronically controlled brake
system, ASG (Automated Sequential
Gearbox), stop/tail lights, high
mounted stoplight
17DRLCK BAT 25 A Main body ECU
18HAZ
10 ATurn signal lights, emergency flashers,
gauges and meters
19AM2
5 AIGN, E/G IG, EFI NO.1, EFI NO.2,
ECU-IG2, GAUGE, ASG-IG2
20PANEL
5 A Interior lights
21DOME 5 A Interior lights
22MPX-B10 AMultiport fuel injection system/
sequential multiport fuel injection sys-
tem, main body ECU, rear hatch,
power seat (driver's side), gauges and
meters, VDIM (Vehicle Dynamics
Integrated Management)
FuseAmpereCircuit

295
4-3. Do-it-yourself maintenance
4
Maintenance and care
■Passenger’s side instrument panel
FuseAmpereCircuit
1P-PWR SEAT 30 A Power seat (passenger's side)
2P-P/W 20 A Power window (passenger's side)
3DISPLAY2 10 A Navigation system
4DISPLAY1 10 A Remote Touch, navigation system, air
conditioning system
5A/C
10 A Air conditioning system
6P- ACC 5 ARemote Touch, navigation system, air
conditioning system, Lexus Enform
7P-CIG
15 A Power outlet
8P-IG1-4 5 A Seat heater (passenger's side)
9P- I G 1 -15 AMultiport fuel injection system/
sequential multiport fuel injection sys-
tem, air conditioning system
10P- I G 1 -3
5 ASRS airbag system, VDIM (Vehicle
Dynamics Integrated Management)
11P- I G 1 -2
5 ANavigation system, air conditioning
system
12ABS MAIN P1 10 A

13ABS MAIN P2 10 A Electronically controlled brake system

314
5-2. Steps to take in an emergency
Have the vehicle inspected by your Lexus dealer 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 your Lexus dealer immediately.
Warning lightWarning light/Details
(U.S.A.)
(Canada)
Malfunction indicator lamp Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system; or
• The electronic transmission control system.
SRS warning light Indicates a malfunction in:
• The SRS airbag system; or
• The seat belt pretensioner system.
(U.S.A.)
(Canada)
ABS warning light Indicates a malfunction in:
•The ABS; or
• The brake assist system.
Brake system warning light Indicates a malfunction in:
• The electronically controlled brake system; or
• The electric parking brake.
Electric power steering system warning light (warning
buzzer) Indicates a malfunction in the EPS system.
(Comes on) Slip indicator
Indicates a malfunction in:
• The VSC system;
•The TRAC system; or
• The hill-start assist control system.

400
Abbreviation list
Abbreviation/Acronym list
ABBREVIATIONSMEANING
ABS Anti-lock Brake System
ALR Automatic Locking Retractor
ANSI American National Standards Institute
ASG Automated Sequential Gearbox
CCM Carbon Ceramic Material
CFRP Carbon Fiber Reinforced Plastics
CRS Child Restraint System
ECU Electronic Control Unit
EDR Event Data Recorder
ELR Emergency Locking Retractor
EPS Electric Power Steering
FCC Federal Communications Commission
GAWR Gross Axle Weight Rating
GPS Global Positioning System
I/M Emission inspection and maintenance
ICNIRP International Commission on Non-Ionizing Radiation
Protection
LED Light Emitting Diode
M + S Mud and Snow
MMT Methylcyclopentadienyl Manganese Tricarbonyl
MTBE Methyl Tertiary Butyl Ether
NCRP National Council on Radiation Protection and Measure-
ment
NHTSA National Highway Traffic Safety Administration
OBD On Board Diagnostics

402
Alphabetical index
Alphabetical index
“AUTO” driving mode ........................ 104
A/C ................................................... 186, 194
ABS.............................................................. 166
Active rear wing ....................................... 171
Air conditioning filter ..........................283
Air conditioning systemAir conditioning filter ....................... 283
Automatic air conditioning system ......................................... 186, 194
Air gauge ................................................. 278
Airbags Airbag operating conditions........... 65
Airbag precautions for your child.......................................................... 68
Airbag warning light .......................... 314
General airbag precautions ........... 68
Locations of airbags.............................. 61
Modification and disposal of airbags ...................................................... 71
Passenger occupant classification system.......................... 72
Proper driving posture ...................... 59
Seat airbag precautions .................... 68
Seat belt airbag operating conditions.............................................. 65
SRS airbags ............................................... 61 Alarm ............................................................ 55
Anti-lock brake system ........................166
ASG ............................................................ 102
Audio input*
1
Audio system.......................................... 202
Auto away function................................. 33
Automatic air conditioning
system ........................................... 186, 194
Automated Sequential Gearbox .... 102
Average fuel consumption ........ 118, 132
Average vehicle speed ............... 119, 132
AUX port*
1
A

416
What to do if...
The vehicle is stuck in mud or
sandP. 3 5 4If the vehicle becomes stuck
The engine oil temperature
gauge enters the red zone
A warning light or indicator
light comes onP. 3 1 2If a warning light turns on or a warning
buzzer sounds...
■Warning lights
or or
P. 3 1 2P. 3 1 4
P. 3 1 4P. 3 1 5
P. 3 1 5
or
P. 3 1 4P. 3 1 5
P. 3 1 4P. 3 1 4
Brake system warning light
(red)Malfunction indicator lamp
Brake system warning light
(amber)Driver’s seat belt reminder
light
ABS warning lightPassenger’s seat belt
reminder light
Master warning light
SRS warning lightElectric power steering system
warning light