SECTION 6 – 4
563
SERVICE PROCEDURES AND
SPECIFICATIONS
Electrical components
Specifications564 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking battery condition571 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Battery recharging precautions574 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking and replacing the blade type fuses574 . . . . . . . . . . . . . . . .
Checking the cartridge type fuses577 . . . . . . . . . . . . . . . . . . . . . . . . . .
Adding washer fluid579 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking the headlight aim579 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing light bulbs584 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ELECTRICAL COMPONENTS
567
No.FUSEAMPERECIRCUIT
18 FR DOOR
RH20
Front right door control system
(Power door lock system,
Power rear view mirror control
system, Door courtesy light,
Outside rear view mirror heater,
Power window), Multiplex
communication system
19 RR DOOR
RH20Rear right door control system
(Power door lock system, Door
courtesy light, Power window)
20 RR DOOR
LH20Rear left door control system
(Power door lock system, Door
courtesy light, Power window)
21 FR 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,
Power window)
22 RAD NO.310Audio system
23 H−LP LVL7.5Adaptive front lighting system
(AFS), Automatic headlight
leveling control system
No.FUSEAMPERECIRCUIT
24 LH−IG10
Charging system, Headlight
cleaners, 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
25 FR WIP30Windshield wipers and washer
26 PANEL7.5
Steering switch illumination,
Audio system, Glove box light,
Automatic transmission selector
lever illumination, Console box
light, Adaptive variable
suspension switch illumination,
Cigarette lighter illumination, Air
conditioning system, Traction
control off switch illumination,
Driving pattern selector switch,
Seat heater or Heated and
ventilated seat switches,
Register ILL RH, Register ILL
LH, Register ILL CTR
27 FUEL
OPEN10Fuel filler door opener, Trunk lid
opener
ELECTRICAL COMPONENTS
570
No.FUSEAMPERECIRCUIT
70 A/F15Multi−port fuel injection
system/sequential multiport fuel
injection system
71 ETCS10Multi−port fuel injection
system/sequential multiport fuel
injection system
72 ALT−S7.5Charging system
73 EM VLV10No circuit
74 H−LP CLN30Headlight cleaner system
75 A/C COMP7.5Air conditioning system
76 DEICER25No circuit
77 FR
CTRL−AM30“FR TAIL”, “FR FOG” and
“WASHER”
78 IG210Starting system
79 EFI NO.210
Multi−port fuel injection
system/sequential multiport fuel
injection system, Evaporative
system
80 H−LP R
LW R15Right−hand headlight (low
beam)
81 H−LP L
LW R15Left−hand headlight (low beam)
82 F/PMP25Fuel pump
No.FUSEAMPERECIRCUIT
83 EFI
GS430:
25
GS300:
25Multi−port fuel injection
system/sequential multiport fuel
injection system
84 INJ20Multi−port fuel injection
system/sequential multiport fuel
injection system
85 H−LP UPR15Headlights (high beam)
86 HORN10Horn
87 WASHER20Windshield wipers and washer
88 FR TAIL10Parking lights, Side marker
lights
89 FR FOG15Front fog lights
90 RR
S/SHADE7.5Rear electric sunshade
91 PSB30Pre−collision system
92 RR−IG210No circuit
93 RR−IG110Pre−collision system, Rear
electric sunshade, Seat belt
pretensioners
94 RR−B10Luggage compartment light,
Noise filter
95 RR FOG7.5Rear fog lights
96 STOP LP L10Stoplights, Back up lights
ELECTRICAL COMPONENTS
573
NOTICE
Make sure the engine and all accessories are turned
off before performing maintenance.
When checking the battery, remove the ground cable
first and reinstall it last.
Be careful not to cause a short circuit with tools.
Take care no solution gets into the battery when
washing it.
If the battery is disconnected or run down
The following functions may not operate correctly when you
reconnect or replace the battery. In these cases, you should
normalize each system referring to the following pages.
Power windows (See page 59.)
Moon roof (See page 134.)
Variable gear ratio steering system (See page 424.)
Intuitive parking assist (See page 380.)
Checking battery condition
Checking by indicator
G64009
Check the battery condition by the indicator color.
1
BLUE − Good condition.
2
WHITE − Charging necessary. Have the battery checked
by your Lexus dealer.
3
RED − Have the battery checked by your Lexus dealer.
NOTICE
Do not refill the battery with water.
ELECTRICAL COMPONENTS
574
BATTERY RECHARGING
PRECAUTIONS
During recharging, the battery is producing hydrogen
gas.
Therefore, before recharging:
1. If recharging with the battery installed on the vehicle, be
sure to disconnect the ground cable.
2. Make sure the power switch on the recharger is off when
connecting the charger cables to the battery and when
disconnecting them.
CAUTION
Always charge the battery in an unconfined area. Do
not charge the battery in a garage or closed room
where there is not sufficient ventilation.
Only do a slow charge (5 A or less). Charging at a
quicker rate is dangerous. The battery may explode
causing personal injuries.
NOTICE
Never recharge the battery while the engine is running.
Also, be sure all accessories are turned off.
CHECKING AND REPLACING THE
BLADE TYPE FUSES
G64010
Left side kick panel
G64011
Right side kick panel
