Lexus GS350 2007 Do-it-yourself maintenance / LEXUS 2007 GS430/350 OWNER'S MANUAL (OM30A04U)

411
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 engine switch to “OFF” mode.
Remove the engine compartment cover if necessary.
P. 3 7 8
Open the fuse box cover.
Engine compartment (type A)
Push the tabs in and lift the lid
of
f.
Engine compartment (Type B) Push the tabs in and lift the lid
of
f.
STEP1
STEP2
STEP3

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4-3. Do-it-yourself maintenance
Driver's side instrument panel
Remove the lid.
Passenger's side instrument panel Remove the lid.
Luggage compartment Remove the cover.

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4-3. Do-it-yourself maintenance
4
Maintenance and care
Luggage compartment (vehicles with active stabilizer suspension
system)
Remove the lid.
After a system failure, see “Fuse la y
out and amperage ratings”
( P. 4 1 8 ) for details about which fuse to check.
Remove the fuse with the pull-
out tool.STEP4
STEP5

414
4-3. Do-it-yourself maintenance
Check if the fuse has blown.
Type ANormal fuse
Blown fuse
Replace it with one of an appro-
priate amperage rating. The
amper
age rating can be found
on the fuse box lid.
Type B
Normal fuse
Blown fuse
Replace it with one of an appro-
priate amperage rating. The
amper
age rating can be found
on the fuse box lid.
Type C
Normal fuse
Blown fuse
Contact your Lexus dealer.
STEP6

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4-3. Do-it-yourself maintenance
4
Maintenance and care
Removing the front controller (engine compartment: type B)
Lift the lid off while pushing the
tabs on either side.
Type D
Normal fuse
Blown fuse
Contact your Lexus dealer.

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4-3. Do-it-yourself maintenance
Fuse layout and amperage ratings
■Engine compartment (Type A)
FuseAmpereCircuit
1ECU-B10VGRS, EPS, Driver’s seat switch
module, Lexus Link System ECU
2ABS MAIN310ECB system
3TURN-HAZ15Turn signal lights, Emergency flashers
4IG2 MAIN20IG2, GAUGE and IGN
5RND NO.230Audio system
6D/C CUT20DOME and MPX-B
7RND NO.130Audio system
8MPX-B10
Multiplex communication system,
Front controller, Door control system
(Power door lock system, Door cour-
tesy lights, Power windows, Power
rear view mirror control system, Out-
side rear view mirror heaters), Power
seat system, Steering sensors, ECB
system, Power tilt and telescopic
steering wheel, Gauges and meters,
Combination switch

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4-3. Do-it-yourself maintenance
4
Maintenance and care
FuseAmpereCircuit
9DOME10
Foot lights, Vanity lights, Gauges and
meters, Steering spot light, Steering
switch illumination, Rear personal
lights, Automatic transmission selec-
tor lever spot light, Front personal
lights
10CDS10NOIS FILTER
11ABS MAIN210ECB system
12ABS MOTOR30ABS
13ABS MAIN110Capacitor
14E/G-B60FR CTRL BATT, ECTS and ALT-S
15ABS150VSC system, ABS MAIN1, ABS
MAIN2 and ABS MTR
16RH J/B-B30AM2, DOOR FR, and DOOR RR
17VGRS40VGRS
18MAIN30H-LP R LWR and H-LP L LWR
19STARTER30Starting system
20LH J/B-B30FL DOOR, RL DOOR and RND
NO.3
21P/ I - B60
Multi-port fuel injection system/
sequential multiport fuel injection
system
22EPS80EPS
23ALT150
RH J/B-AM, LH J/B-AM, E/G-AM,
RR JB, HEATER, DEFOG, FAN1,
FAN2, ABS2, ABS MOTOR, 
ABS MAIN1, and ABS MAIN2

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4-3. Do-it-yourself maintenance
FuseAmpereCircuit
24RR J/B80
STOP LP R, STOP LP L, RR-B, 
RR TAIL, RR FOG, RR-IG1, PSB, 
and RR S/SHADE
25GLW PLG150Glow plug heater
26RH J/B-AM80
AM1, OBD, STOP SW, TI&TE, 
PWR OUTLET, FR P/SEAT RH, 
STR LOCK, ECU-IG RH, RH-IG, 
ACC, CIG, SECURITY, 
FR S/HER RH and AIR SUS
27ABS230VSC, ABS
28DEFOG50Rear window defogger, Noise filter
29CDS40F: CDS
30FA N 140Electric cooling fans
31HEATER50Air conditioning system
32GLW PLG250Glow plug heater
33E/G-AM60H-LMP CLN, FR CTRL-AM and 
A/C COMP
34LH J/B-AM80
S/ROOF, FR P/SEAT LH, TV, 
FR S/HTR LH, FR WIP, H-LP LVL,
LH-IG, FUEL OPEN, A/C, PANEL
and LH-B
35FA N 260

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4-3. Do-it-yourself maintenance
4
Maintenance and care
■Engine compartment (Type B)
6: only for GS430 equipped with ac tive stabilizer suspension system
FuseAmpereCircuit
1FR CTRL-B25Headlight high beam, horn
2A/F15Exhaust system
3ETCS10
Multiport fuel injection system/
sequential multiport fuel injection
system
4ALT-S7. 5 Charging system
5H-LP CLN30Headlight cleaner
6STB-AM30DC/DC converter
7A/C COMP7. 5 Air conditioning system
8DEICER25
9FR CTRL-AM30Front fog lights, parking lights, wind-
shield washer
10IG210Ignition system
11EFI NO.210Fuel system, exhaust system

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4-3. Do-it-yourself maintenance
FuseAmpereCircuit
12H-LP R LWR15Headlight low beam (right)
13H-LP L LWR15Headlight low beam (left)
14F/ P M P25Fuel system
15EFI
20
(GS430) 25
(GS350)Multiport fuel injection system/
sequential multiport fuel injection
system
16INJ20
Multiport fuel injection system/
sequential multiport fuel injection
system
17H-LP UPR15Headlight high beams
18HORN10Horns
19WA S H E R20Windshield washer
20FR TAIL10Parking lights
21FR FOG15Front fog lights