Page 389 of 482

ENGINE
364Ð COOLING SYSTEM
Capacity
9.2 L (9.7 qt., 8.2 lmp. qt.)
Coolant typeToyota Super Long Life Coolantº or similar high quality ethylene glycol
based non-silicate, non-amine, non-nitrite, and non-borate coolant
with long-life hybrid organic acid technology
Do not use plain water alone.
NOTE:
Toyota Super Long Life Coolantº is filled in your Lexus vehicle at factory fill. In order to avoid technical problems, only use Toyota
Super Long Life Coolantº or similar high quality ethylene glycol based non-silicate, non-amine, non-nitrite, and non-borate coolant
with long-life hybrid organic acid technology. Please contact your Lexus dealer for further details.
Ð IGNITION SYSTEM
Spark plug Ð Make DENSO
NGK
Ð Gap
SK20R11
IFR6A11
1.1 mm (0.043 in.)
Ð ELECTRICAL SYSTEM
Battery Open voltage at 20C (68F):
Charging rates
12.7 V Fully charged
12.3 V Half charged
11.9 V Discharged
[Voltage that is checked 20 minutes after the key is removed with all the
lights turned off]
5 A max.
Page 441 of 482
ELECTRICAL COMPONENTS
416
No.FUSEAMPERECIRCUIT
26ALT120
All components in DEFº, PWR
NO.1º, PWR NO.2º, PWR
NO.3º, PWR NO.4º, STOPº,
DOOR NO.2º, OBDº, PWR
SEATº, FUEL OPENº, FOGº,
AMPº, PANELº, TAILº,
AM1º, CIGº, POWER
POINTº, RAD NO.2º,
ECU- ACCº, GAUGE1º,
GAUGE2º, ECU- IGº,
WIPERº, WASHERº, HTR
(10 A)º, SEAT HTRº and
SUN- SHADEº fuses
27SPARE15Spare fuse
28A/C10No circuit
29DRL5Daytime running light system
30HEAD RH
LW R15Right- hand headlight (low
beam)
31HEAD LH
LW R15Left- hand headlight (low
beam) and front fog lights
Page 442 of 482
ELECTRICAL COMPONENTS
417
No.FUSEAMPERECIRCUIT
32ECU-B10
Multiplex communication
system (power door lock
system, security system,
auto- door locking system,
automatic light control system,
headlight delay off system, tail
light auto cut system,
illuminated entry system,
daytime running light system,
wireless remote control
system) air conditioning
system, electronic modulated
suspension, driving position
memory system
33DOME7.5
Ignition switch light, interior
light, personal lights, foot
lights, door courtesy lights,
trunk light, vanity lights, garage
door opener, clock, outside
temperature gauge,
multi- information display
34CIG15Cigarette lighter
35ECU-
ACC5
Power rear view mirrors, clock,
multi- information display,
driving position memory
system
No.FUSEAMPERECIRCUIT
36RAD NO.210Car audio system, navigation
system
37POWER
POINT15Power outlet
Page 444 of 482
ELECTRICAL COMPONENTS
419
No.FUSEAMPERECIRCUIT
44AM15Starting system
45FOG15Front fog lights
46SUN-
SHADE15Rear sunshade
47GAUGE210
Auto anti- glare inside rear
view mirror, compass, back- up
lights, automatic light control
system, automatic headlight
leveling system, cruise control
system, seat belt reminder
lights
48PANEL10
Glove box light, console box
light, clock, outside
temperature gauge,
multi- information display,
instrument cluster lights,
instrument panel lights
49TAIL10Tail lights, parking lights,
license plate lights
50PWR NO.420Rear passenger's power
window (left side)
No.FUSEAMPERECIRCUIT
51PWR NO.220Front passenger's door lock
system, front passenger's
power window
52OBD7.5On- board diagnosis system
53SEAT
HTR20Seat heaters
Page 462 of 482
ELECTRICAL COMPONENTS
437
Light Bulbs Bulb No. W Type
7High mounted stoplight 7440 21 E
8Rear turn signal lights --- 21 E
9Rear side marker lights --- 5 E
10Stop/tail lights 744 21/5 E
11Back-up lights 921 18 E
12License plate lights --- 5 E
13Tail lights 168 5 E