Lexus GS350 2014 Using the air conditioning system and defogger / LEXUS 2014 GS350 OWNERS MANUAL (OM30D41U)

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GS350_OM_OM30D41U_(U)6-3. Do-it-yourself maintenance
6
Maintenance and care
Checking and replacing fuses
Turn the engine switch off.
After a system failure, see “Fuse la yout and amperage ratings” for
details about which fuse to check. ( P. 664)
Open the Fuse box cover.
Engine compartment (type A fuse box)
Push the tab in and lift the lid off.
Engine compartment (type B fuse box)
Push the tab in and lift the lid off.
If any of the electrical components do not operate, a fuse may have
blown. If this happens, check and replace the fuses as necessary.
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2
3

662
GS350_OM_OM30D41U_(U)
6-3. Do-it-yourself maintenance
Driver’s side instrument panel
Remove the lid.
Passenger’s side instrument panel
Remove the lid.
Tr u n k
Push the tab in and lift the lid off.
Remove the lid.

GS350_OM_OM30D41U_(U)
6636-3. Do-it-yourself maintenance
6
Maintenance and care
Remove the fuse with the pullout
tool.
Only type A fuse can be removed
using the pullout tool.
Check if the fuse is blown.Normal fuse
Blown fuse
Type A and B:
Replace the blown fuse with a new fuse of an appropriate amperage rating. The
amperage rating can be found on the fuse box lid.
Type C and D:
Contact your Lexus dealer.
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5
1
2
Ty p e AType B
Ty p e CType D

664
GS350_OM_OM30D41U_(U)
6-3. Do-it-yourself maintenance
■Engine compartment (type A fuse box)
Fuse layout and amperage ratings
FuseAmpereCircuit
1LH J/B-B40Left-hand junction block
2VGRS40VGRS
3RH J/B-B40Right-hand junction block
4P/ I - B N O. 280F/PMP, EFI MAIN, A/F HTR, EDU, IG2
MAIN
5ALT150RH J/B ALT, P/I ALT, LH J/B ALT, LUG J/B
ALT
6P/ I A LT100RR DEF, TAIL, FR FOG, DEICER, PANEL,
RR S/SHADE
7RH J/B ALT80Right-hand junction block
8MPX-B10
Smart access system with push-button start,
electric tilt and telescopic steering column,
power seats, head-up display, front right-
hand door ECU, gauges and meters, steer-
ing sensor, yaw rate and G sensor, overhead
module, front left-hand door ECU, power
trunk opener and closer, RR CTRL SW,
clock, body ECU, CAN gateway ECU

GS350_OM_OM30D41U_(U)
6656-3. Do-it-yourself maintenance
6
Maintenance and care
9DOME7. 5
Personal lights, ornament lights, trunk light,
footwell lights, door courtesy lights, vanity
lights, rear door inside handle illuminations,
power trunk opener and closer
10EPS80EPS
11ARS80Dynamic rear steering
12HTR50Air conditioning system
13ABS NO.140VDIM
14LUG J/B ALT50Luggage compartment junction block
15PTC NO.150PTC heater
16PTC NO.250PTC heater
17ABS NO.250VDIM
18ST30Starting system
19H-LP LO30Headlights, H-LP RLY
20D/C CUT30DOME, MPX-B
21DCM7. 5DCM
22ECU-B7. 5Smart access system with push-button start
23ALT-S7. 5Charging system
24ETCS10Multiport fuel injection system/sequential
multiport fuel injection system
25HORN10Horn
26R/B-B20EPS-B, ODS, TV
27P/ I - B N O.150Headlights, daytime running lights
28EPB30Parking brake
29LUG J/B-B40Luggage compartment junction block
30FAN NO.180Electric cooling fans
31LH J/B ALT60Left-hand junction block
32H-LP CLN30Headlight cleaner
FuseAmpereCircuit

666
GS350_OM_OM30D41U_(U)
6-3. Do-it-yourself maintenance
■Engine compartment (type B fuse box)
33FAN NO.240Electric cooling fans
34A/C COMP7. 5Air conditioning system
35FILTER10Condenser
FuseAmpereCircuit
FuseAmpereCircuit
1IGN10Starting system
2INJ10Multiport fuel injection system/sequential
multiport fuel injection system
3EFI NO.210Fuel system, exhaust system
4IG2 MAIN20IGN, GAUGE, INJ, AIR BAG, IG2 NO.1,
LH-IG2
5EFI MAIN25Multiport fuel injection system/sequential
multiport fuel injection system, EFI NO.2
6A/F15Air intake system
7EDU20Multiport fuel injection system/sequential
multiport fuel injection system
8F/ P M P25Multiport fuel injection system/sequential
multiport fuel injection system
9SPARE30Spare fuse

GS350_OM_OM30D41U_(U)
6676-3. Do-it-yourself maintenance
6
Maintenance and care*: 8-speed models
10SPARE20Spare fuse
11SPARE10Spare fuse
12H-LP LH-LO20Left-hand headlight
13H-LP RH-LO20Right-hand headlight
14WA S H - S5Driver support system
15WIP-S7. 5Windshield wipers, power management sys-
tem
16COMB SW5Windshield wipers
17TV7. 5Remote Touch screen
18EPS-B5Electric power steering
19ODS5Occupant classification system
20IG2 NO.15Power management system, DCM, CAN
gateway ECU
21GAUGE5Gauges and meters
22IG2 NO.2*5Multiport fuel injection system/sequential
multiport fuel injection system
FuseAmpereCircuit

668
GS350_OM_OM30D41U_(U)
6-3. Do-it-yourself maintenance
■Driver’s side instrument panel
FuseAmpereCircuit
1STOP7. 5Stop lights, high mounted stoplight
2P/ W- B5Po w e r w i n d o w m a s t e r s w i t c h
3P/ S E AT 1 F/ L30Po w e r s e a t s
4D/L NO.125Power door lock system
5NV-IR10Lexus night view
6FL S/HTR10Seat heaters/ventilators
7WIPER30Windshield wipers
8WIPER-IG5Windshield wipers
9LH-IG10
Seat belts, body ECU, AFS, overhead mod-
ule, raindrop sensor, inside rear view mirror,
lane camera sensor (LKA), head-up display,
shift lock system, intuitive parking assist, front
left-hand door ECU, driver monitor system,
Remote Touch screen, electric tilt and tele-
scopic steering column, power seats, moon
roof, intuitive parking assist switch
10LH ECU-IG10
VDIM, D-SW MODULE (Blind Spot Moni-
tor, heated steering wheel), driver support
system, AFS, EPB

GS350_OM_OM30D41U_(U)
6696-3. Do-it-yourself maintenance
6
Maintenance and care
11DOOR FL30Outside rear view mirror defoggers, power
window (front left-hand)
12CAPACITOR
(HV)10No circuit
13STRG LOCK15Steering lock
14D/L NO.225Power door lock system
15DOOR RL30Power window (rear left-hand)
16HAZ15Turn signal lights, emergency flashers
17LH-IG210
Multiport fuel injection system/sequential
multiport fuel injection system, stop lights,
smart access system with push-button start,
steering lock system
18LH J/B-B7. 5Body ECU
19S/ROOF20Moon roof
20P/ S E AT 2 F/ L25Po w e r s e a t s
21TI & TE20Electric tilt and telescopic steering column
22A/C7. 5Air conditioning system
FuseAmpereCircuit

670
GS350_OM_OM30D41U_(U)
6-3. Do-it-yourself maintenance
■Passenger’s side instrument panel
FuseAmpereCircuit
1P/ S E AT 1 F/ R30Po w e r s e a t s
2FR P/OUTLET15Po w e r o u t l e t ( f r o n t )
3RR P/OUTLET15Power outlet (rear)
4P/ S E AT 2 F/ R25Po w e r s e a t s
5AV S20AV S
6STRG HTR15Heated steering wheel
7WA S H20Windshield washer
8RH ECU-IG10
Navigation system, VGRS, pre-collision seat
belts, air conditioning system, Lexus night
view
9RH-IG10
Tension reducer, seat heater/ventilator
switches, AWD system, front right-hand
door ECU, CAN gateway ECU, tire pres-
sure warning system, power seats, driver
monitor system
10DOOR FR30
Front right-hand door control system (out-
side rear view mirror defoggers, power win-
dow)
11DOOR RR30Power window (rear right-hand)
12RAD NO.230Audio system
13AM27. 5Smart access system with push-button start