Page 536 of 632
INTRODUCTION
512
Removing the engine compartment cover
Before checking and replacing the blade type fuses, etc.
in the engine compartment, remove the engine
compartment cover as follows:
G61004
CAUTION
Be sure to turn off the engine before removing the
engine compartment cover. Failure to do so may result
in burns from heated components or serious injury
through becoming caught in moving parts.
You must remove the front cover before removing the side
covers. The location of the plastic clips is the same for all
engine models.
1 Turn the plastic screw until it turns freely. Although it is
turned freely, it cannot be removed from the engine
compartment cover.
2Push the core of the clips and remove the clips.
Remove the cover. Be careful not to lose the removed plastic
clips.
Page 540 of 632

INTRODUCTION
516
PARTS AND TOOLS
Here is a list of parts and tools you will need to perform
do−it−yourself maintenance. Remember all Lexus parts are
designed in metric sizes, so your tools must be metric.
Checking the engine oil level
Parts (if level is low):
“Toyota Genuine Motor Oil” or equivalent
Oil grade: ILSAC multigrade engine oil. For recommended
oil viscosity, see page 533.
Tools:
Rag or paper towel
Funnel (only for adding oil)
Checking the engine coolant level
Parts (if level is low):
”Toyota Super Long Life Coolant” or similar high quality
ethylene glycol based non −silicate, non −amine, non −nitrite,
and non −borate coolant with long −life hybrid organic acid
technology.
“Toyota Super Long Life Coolant” is a mixture of 50%
coolant and 50% deionized water (for the U.S.A.) or 55% of
coolant and 45% deionized water (for Canada).
Tools:
Funnel (only for adding coolant)
Checking brake fluid
Parts (if level is low):
FMVSS No. 116 DOT 3 or SAE J1703 brake fluid
Tools:
Funnel (only for adding fluid)
Checking battery condition
Tools:
Warm water
Baking soda
Grease
Conventional wrench (for terminal clamp bolts)
Checking and replacing the blade type fuses
Parts (if replacement is necessary):
Fuse with same amperage rating as original
Checking the cartridge type fuses
Parts (if replacement is necessary):
Genuine Lexus fuse or equivalent with same amperage
rating as original
Page 597 of 632
SECTION 6 – 4
573
SERVICE PROCEDURES AND
SPECIFICATIONS
Electrical components
Specifications574
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . .
Checking battery condition 581
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Battery recharging precautions 584
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking and replacing the blade type fuses 584
. . . . . . . . . . . . . . . .
Checking the cartridge type fuses 587
. . . . . . . . . . . . . . . . . . . . . . . . . .
Adding washer fluid 589
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
.
Checking the headlight aim 589
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing light bulbs 594
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
Page 598 of 632