Page 445 of 493
CHASSIS
423
NOTICE
Avoid overfilling, or the power steering could be
damaged.
When adding the power steering fluid, avoid spilling
it. The generator under the power steering reservoir
could be damaged if fluid is spilled on it.
CHECKING SUSPENSION FLUID
AHC
63X007c
1“MAX” line 2“MIN” line
Under the unloaded condition, check the Suspension
Fluid AHC in the following way.
1. Start the engine and put the vehicle height in the “LO” (Low)
mode and then “N” (Normal) mode.
2. Turn off the ignition switch about 30 seconds after the “N”
(Normal) mode indicator light comes on.
3. Make sure the fluid level is between “MAX” and “MIN”.
If the fluid level is lower than “MIN”, have suspension fluid AHC
filled by your Lexus dealer.
Page 446 of 493
CHASSIS
424
NOTICE
Only use the Suspension fluid AHC for the active height
control suspension. If you fill other fluids such as brake
fluid, power steering fluid, engine oil, etc., the active
height control suspension could be damaged.
CHECKING TIRE INFLATION PRESSURE
63x600b
Type A
Page 455 of 493

CHASSIS
433
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation
pressuretire inflation pressure when the vehicle has been parked for at least 3 \
hours or
more, or it has not been driven more than 1.5 km or 1 mile under that co\
ndition
Maximum inflation
pressurethe maximum cold inflation pressure to which a tire may be inflated and \
it is shown
on the sidewall of the tire
Recommended inflation
pressurecold tire inflation pressure recommended by a manufacturer
Accessory weight
the combined weight (in excess of those standard items which may be rep\
laced) of
automatic transmission, power steering, power brakes, power windows, pow\
er
seats, radio, and heater, to the extent that these items are available as
factory−installed equipment (whether installed or not)
Curb weight
the weight of a motor vehicle with standard equipment including the maxi\
mum
capacity of fuel, oil, and coolant, and, if so equipped, air conditionin\
g and
additional weight optional engine
Maximum loaded vehicle
weight
the sum of —
(a) curb weight;
(b) accessory weight;
(c) vehicle capacity weight; and
(d) production options weight
Page 470 of 493

ELECTRICAL COMPONENTS
448
No.FuseAMPERECIRCUIT
17 TAIL15Parking lights, Tail lights
18 BAT30All components in “ECU−B2”
19 TEL7.5Lexus Link System
20 AMP30Audio system
21 EFI or
ECD No.125Multiport fuel injection
system/Sequential multiport fuel
injection system
22 AM215All components in “IGN”
23 ETCS10Multiport fuel injection
system/Sequential multiport fuel
injection system
24 HORN10Horns
25 HEAD
(RH LWR)10Right− hand headlight (low
beam)
26 HEAD
(LH LWR)10Left− hand headlight (low beam)
27 HEAD
(RH UPR)20Right− hand headlight (high
beam)
28 HEAD
(LH UPR)20Left− hand headlight (high beam)
29 AIR PUMP50Multiport fuel injection
system/Sequential multiport fuel
injection system
30 A/F HTR15Multiport fuel injection
system/Sequential multiport fuel
injection system
No.FuseAMPERECIRCUIT
31 PWR
OUTLET15Power outlets
32 CIG15Cigarette lighter
33 ACC7.5Instrument panel light
34 AM17.5Multiport fuel injection
system/Sequential multiport fuel
injection system
35 DEFOG20Rear window defogger
36 AHC B15Active height control suspension
(AHC)
37 FUEL HTR20Fuel heater
38 POWER HTR7.5Power heater
39 AHC IG20Active height control suspension
(AHC)
40 EFI or
ECD No.210Emission control system
41 GAUGE 110Gauges and meters
42 ECU IG 110Multiport fuel injection
system/Sequential multiport fuel
injection system
43 ECU B110Navigation system
44 DBL
LOCK15Double lock system
Page 471 of 493