2007 Lexus GS350 ABS

406
4-3. Do-it-yourself maintenance
Air conditioning filter
The air conditioning filter must be cleaned or changed regularly to main-
tain air conditioning efficiency.
■ Removal method
Set the air conditio ning sy
stem to recirculated mode.
The air conditioning filter case cannot be removed with the system in
the outside air mode.
Turn the engine switch to “OFF” mode.
Open the glove box and
r
emove the partition.
Remove the filter cover.
Push the tabs and remove the
filter case.
STEP1
STEP2
STEP3
STEP4
STEP5

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

415
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.

416
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

417
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

418
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

5
When trouble arises
451
5-2. Steps to take in an emergency
*1: Electronically Controlled Brake System
Have the malfunction repaired immediately.
After taking the specified steps to correct the suspected problem, check
that the warning light turns off.
Warning lightWarning light/Details
(U.S.A.)

(Canada)
ABS warning lightMalfunction in:
•The ABS; or
• The brake assist system.
ECB*1/VSC warning light
Malfunction in:
• The electronically controlled brake system; or
• The VSC.
Electric power steering system warning light Malfunction in the EPS.
Pre-collision system warning light (if equipped)Malfunction in the pre-collision system.
Warning lightWarning light/DetailsCorrection procedure
Open door warning light 
(warning buzzer)
*2
A door or the trunk is not
fully closed.
Check that all doors and the
trunk are closed.
Low fuel level warning light
Remaining fuel 
(Approximately 2.6 gal. [10
L, 2.2 Imp.gal.] or less)
Refuel the vehicle.

460
5-2. Steps to take in an emergency
Have the vehicle inspected by your Lexus dealer immediately.
Failing to investigate the cause of th e following warning may lead to the
system operating abnormally and possibly cause an accident. Have the
vehicle inspected by your Lexus dealer immediately.
Wa r n i n g m e s s a g eDetails
(GS430)
(GS350)Malfunction in the TRAC, VSC or hill-start assist con-
trol system.
In some cases, only “CHECK VSC” or “CHECK
ECB
*” is displayed.
(GS430)
(GS350)
(U.S.A)
(Canada)
Malfunction in the ABS or BA.In some cases, only “CHECK VSC” or “CHECK
ECB
*” is displayed.