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379
4-3. Do-it-yourself maintenance
4
Maintenance and care
Wipe the dipstick and reinsert it fully.Low
Full
■ A
dding engine oil
If the oil level is below or near the lo
w level mark, add engine oil of the
same type as already in the engine.
Make sure to check the oil type and prepare the items needed before
adding oil.
Remove the oil filler cap.
Add engine oil slowly, checking the dipstick.
Install the filler cap, turning it clockwise until you hear a click.
STEP6
Oil gradeILSAC multigrade engine oil
Oil quantity
(Low Full)1.6 qt. (1.5 L, 1.3 Imp. qt.)
ItemsClean funnel
GS430GS350
STEP1
STEP2
STEP3
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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
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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
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422
4-3. Do-it-yourself maintenance
FuseAmpereCircuit
9ECU-IG LH10
VSC system, ECB system, Yaw rate
and G sensor, Steering sensor,
Cruise control system, Dynamic
radar cruise control system, EPS sys-
tem, VGRS system, Rear view moni-
tor system, Four-wheel drive system,
Front controller, Moon roof, Rain sen-
sor
10FR S/HTR LH15Seat heater or Heated and ventilated
seats
11RR DOOR LH20
Rear left door control system (Power
door lock system, Door courtesy
light, Power window)
12FR DOOR LH20
Front left door control system (Power
door lock system, Power rear view
mirror control system, Door courtesy
light, Outside rear view mirror heater,
Po w e r w i n d o w )
13RAD NO.310Audio system
14H-LP LVL7. 5AFS, Automatic headlight leveling
control system
15LH-IG10
Charging system, Headlight clean-
ers, Exhaust gas sensor, Rear window
defogger, Electric cooling fans, Rear
left door control system, Front left
door control system, Emergency
flashers, Automatic transmission,
Seat belt pretensioners, Intuitive
parking assist
16FR WIP30Windshield wipers and washer
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423
4-3. Do-it-yourself maintenance
4
Maintenance and care
■Passenger’s side instrument panel
FuseAmpereCircuit
1FR P/SEAT RH30Power seat system
2OBD7. 5On-board diagnosis system
3STOP SW7. 5
Stop/tail lights, Multi-port fuel injec-
tion system/sequential multiport fuel
injection system, Starting system,
ECB system, VSC system, Shift lock
system
4AM17. 5
5TI&IE20
Power tilt and telescopic steering
wheel, Multiplex communication sys-
tem
6SECURITY7. 5Smart access system with push-but-
ton start
7STR LOCK25Steering lock system
8GAUGE7. 5Gauges and meters
9IGN10
Multi-port fuel injection system/
sequential multiport fuel injection
system, SRS airbag system, Stop/tail
lights, Steering lock system, ECB sys-
tem, Lexus Link System ECU, Occu-
pant classification system ECU
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424
4-3. Do-it-yourself maintenance
FuseAmpereCircuit
10ACC7. 5
Multiplex communication system,
Smart access system with push-but-
ton start, Rear view monitor system,
Audio system, Air conditioning sys-
tem, Lexus Link System ECU
11CIG15Cigarette lighter
12PWR OUTLET15Po w e r o u t l e t
13AIR SUS20Adaptive variable suspension system
14RR DOOR RH20
Rear right door control system
(Power door lock system, Door cour-
tesy light, Power window)
15FR DOOR RH20
Front right door control system
(Power door lock system, Power rear
view mirror control system, Door
courtesy light, Outside rear view mir-
ror heater, Power window), Multiplex
communication system
16AM215Starting system
17RH-IG7. 5
Seat heater switches, Front right door
control system, Rear right door con-
trol system, Capacitor, Combination
switch, Seat belt pretensioners, Intui-
tive parking assist
18FR S/HTR RH15Seat heaters and ventilators
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4-3. Do-it-yourself maintenance
4
Maintenance and care
FuseAmpereCircuit
19ECU-IG RH10
Electric tilt and telescopic steering,
Multiplex communication system,
Smart access system with push-but-
ton start, Audio system, Air condi-
tioning system, Shift lock system, Tire
pressure warning system, Combina-
tion switch, Front stabilizer, Rear sta-
bilizer, DC/DC converter
Page 452 of 562
432
4-3. Do-it-yourself maintenance
Replacing light bulbs
■Headlight high beam
Unplug the connector while push-
ing the lock release.
Turn the bulb base counterclock -
wise to remove it.
STEP1
STEP2