2012 Lexus LFA fuse

288
4-3. Do-it-yourself maintenance
Luggage compartmentRemove the lid.
After a system failure, see “Fuse layout and amperage ratings”
( P. 290) for details about which fuse to check.
Remove the fuse with the pull-out
tool.
The pull-out tool is in the fuse box
of the engine compartment.
Check if the fuse has blown.
Ty p e A Normal fuse
Blown fuse
Replace it with one of an appropri-
ate amperage rating. The amper-
age rating can be found on the fuse
box lid.
STEP3
STEP4
STEP5

289
4-3. Do-it-yourself maintenance
4
Maintenance and care
Ty p e BNormal fuse
Blown fuse
Contact your Lexus dealer.

290
4-3. Do-it-yourself maintenance
Fuse layout and amperage ratings■ Engine compartment
FuseAmpereCircuit
1INJ 10 AMultiport fuel injection system/
sequential multiport fuel injection sys-
tem, noise filter
2A/PMP HTR 20 A Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
3EFI
20 AMultiport fuel injection system/
sequential multiport fuel injection sys-
tem
4A/F HTR 10 A
Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
5SPARE
30 A Spare fuse
6SPARE 20 A Spare fuse
7SPARE 10 A Spare fuse

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

292
4-3. Do-it-yourself maintenance
23IG220 A IGN, E/G IG, ECU-IG2, GAUGE
24D/C C UT 20 A MPX-B, DOME, P-MPX-B
(for suppressing parasitic current)
25HORN
15 A Horn
26ETCS-RH 10 A Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
27ETCS-LH 10 AMultiport fuel injection system/
sequential multiport fuel injection sys-
tem
28BI XENON 10 A Headlight low/high beams
FuseAmpereCircuit

293
4-3. Do-it-yourself maintenance
4
Maintenance and care
■Driver’s side instrument panel
FuseAmpereCircuit
1D-P/W 20 A Power window (driver's side)
2D-PWR SEAT 30 A Power seat (driver's side)
3DRLCK ALT 25 A Main body ECU
4RLY SIG 5 A PANEL
5OBD10 A On-board diagnosis
6AM1 5 AD-ACC, P-ACC, CDS FAN, WIP,
WASH, MIR HTR, D-S/HTR, P-S/
HTR, D-IG1-1, D-IG1-2, D-IG1-3, D-
IG1-4, P-IG1-1, P-IG1-2, P-IG1-3, P-
IG1-4, RR-IG1
7D-S/HTR 15 A Seat heater (driver's side)
8D-ACC
5 A Main body ECU
9R/MIR10 A Outside rear view mirrors
10D-IG1-1 5 A CAN gateway ECU
11D-IG1-4 5 A Seat heater (driver's side)
12D-IG1-25 AMain body ECU, rear hatch, EPS
(Electric Power Steering), tire pres-
sure warning system, charging system,
turn signal lights, emergency flashers

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