2001 TOYOTA LAND CRUISER check engine

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186
DRUM
−IN −DISC TYPE PARKING BRAKE
SYSTEM
Your vehicle has a drum −in −disc type
parking brake system. This type of brake
system n eeds bedding −down of the brake
shoes periodically or whenever the parking
brake shoes and/or drums are replaced.
Have your Toyota dealer perform the bed-
ding −down.
BRAKE ASSIST SYSTEM
When you slam the brakes on, the
brake assist system judges as an emer-
gency stop and provides more powerful
braking for a driver who cannot hold
down the brake pedal firmly.
When you slam the brakes on, more pow-
erful braking will be applied. At this time,
you may hear a sound in the engine
compartment and feel the vibrations of the
brake pedal. This does not indicate a mal-
function.
The brake assist system becomes opera-
tive after the vehicle has accelerated to
a speed in excess of approximately 10
km/h (6 mph). It stops operating when the
vehicle decelerates to a speed below
approximately 5 km/h (3 mph). The brake assist system may not work for
about 60 seconds after the engine is
started.
For an explanation of this system’s warn-
ing light, see “Service reminder indicators
and warning buzzers” in Section 1
−5. Brake pad wear limit indicators
The brake pad wear limit indicators on
your disc brakes give a warning noise
when the brake pads are worn to where
replacement is required.
If you hear a squealing or scraping noise
while driving, have the brake pads
checked and replaced by your Toyota
dealer as soon as possible. Expensive ro-
tor damage can result if the pads are not
replaced when necessary.

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If you are a skilled do
−it−yourself
mechanic, the Toyota service manuals are
recommended. Please be aware that do −it−yourself maintenance can affect your
warranty coverage. See ”Owner ’s Warranty
Information Booklet” or ”Owner ’s Manual
Supplement” for the details. General maintenance
Listed below are the general maintenance
items that should be performed as fre-
quently as specified. In addition to check-
ing the items listed, if you notice any
unusual noise, smell or vibration, you
should investigate the cause or take your
vehicle to your Toyota dealer or a quali-
fied service shop immediately. It is recom-
mended that any problem you notice be
brought to the attention of your dealer or
the qualified service shop for their advice.
CAUTION
Make these checks only where ade-
quate ventilation can be obtained if
you run the engine.
OUTSIDE THE VEHICLE
Items listed below should be performed
from time to time, unless otherwise
specified.
Tire pressure
Check the pressure with a gauge every
two weeks, or at least once a month. See
Section 7
−2 for additional information. Tire surface and wheel nuts
Check the tires carefully for cuts, damage
or excessive wear. See Section 7
−2 for
additional information. When checking the
tires, make sure no nuts are missing, and
check the nuts for looseness. Tighten
them if necessary.
Tire rotation
Rotate the tires according to the mainte-
nance schedule. (For scheduled mainte-
nance information, please refer to the
”Scheduled Maintenance Guide” or ”Own-
er ’s Manual Supplement”.) See Section 7 −2 for additional information.
Fluid leaks
Check underneath for leaking fuel, oil, wa-
ter or other fluid after the vehicle has
been parked for a while. If you smell fuel
fumes or notice any leak, have the cause
found and corrected immediately.
Doors and engine hood
Check that all doors and back door oper-
ate smoothly and all latches lock securely.
Make sure the engine hood secondary
latch secures the hood from opening when
the primary latch is released.

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238
INSIDE THE VEHICLE
Items listed below should be checked
regularly, e.g. while performing periodic
services, cleaning the vehicle, etc.
Lights
Make sure the headlights, stop lights, tail
lights, turn signal lights, and other lights
are all working. Check headlight aim.
Service reminder indicators and warning
buzzers
Check that all service reminder indicators
and warning buzzers function properly.
Steering wheel
Be alert for changes in steering condition,
such as hard steering or strange noise.
Seats
Check that all front seat controls such as
seat adjusters, seatback recliner, etc. op-
erate smoothly and that all latches lock
securely in any position. Check that the
head restraint move up and down smooth-
ly and that the locks hold securely in any
latched position. For folding
−down rear
seatbacks, swing −up rear seat cushions
and detachable third seats, check that the
latches lock securely. Seat belts
Check that the seat belt system such as
buckles, retractors and anchors operate
properly and smoothly. Make sure the belt
webbing is not cut, frayed, worn or dam-aged.
Accelerator pedal
Check the pedal for smooth operation and
uneven pedal effort or catching.
Brake pedal
Check the pedal for smooth operation and
that the pedal has the proper clearance.
Check the brake booster function.
Brakes
At a safe place, check that the brakes do
not pull to one side when applied.
Parking brake
Check that the lever has the proper travel
and that, on a safe incline, your vehicle
is held securely with only the parking
brake applied.
Automatic transmission ”Park” mecha-
nism
Check the lock release button of the se-
lector lever for proper and smooth opera-
tion. On a safe incline, check that your
vehicle is held securely with the selector
lever in ”P” position and all brakes re-
leased.
IN THE ENGINE COMPARTMENT
Items listed below should be checked
from time to time, e.g. each time when
refueling.
Washer fluid
Make sure there is sufficient fluid in the
tank. See Section 7
−3 for additional in-
formation.
Engine coolant level
Make sure the coolant level is between
the ”FULL” and ”LOW” lines on the see −
through reservoir when the engine is cold.
See Section 7 −2 for additional information.
Battery electrolyte level
Make sure the electrolyte level of all bat-
tery cells is between upper and lower lev-
el lines on the case. Add only distilled
water when replenishing. See Section 7 −3
for additional information.

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Brake fluid level
Make sure the brake fluid level is correct.
See Section 7
−2 for additional information.
Engine oil level
Check the level on the dipstick with the
engine turned off and the vehicle parked
on a level spot. See Section 7 −2 for addi-
tional information.
Power steering fluid level
Check the level through the reservoir. The
level should be in the ”HOT” or ”COLD”
range depending on the fluid temperature.
See Section 7 −2 for additional information.
Exhaust system
If you notice any change in the sound of
the exhaust or smell exhaust fumes, have
the cause located and corrected immedi-
ately. (See engine exhaust cautions in
Section 2.) Be on the alert for changes in perfor-
mance, sounds, and visual tip
−offs that
indicate service is needed. Some impor-
tant clues are as follows:
Engine missing, stumbling, or pinging
Appreciable loss of power
Strange engine noises
A fluid leak under the vehicle (however,
water dripping from the air conditioning
after use is normal.)
Change in exhaust sound (This may
indicate a dangerous carbon monoxide
leak. Drive with the windows open and
have the exhaust system checked im-
mediately.)
Flat −looking tire; excessive tire squeal
when cornering; uneven tire wear
Vehicle pulls to one side when driving
straight on a level road
Strange noises related to suspension
movement
Loss of brake effectiveness; spongy
feeling brake pedal; pedal almost
touches floor; vehicle pulls to one side
when braking
Engine coolant temperature continually
higher than normal
Engine continually runs hot; oil pres-
sure gauge stays low
If you notice any of these clues, take your
vehicle to your Toyota dealer as soon as
possible. It probably needs adjustment or
repair.
CAUTION
Do not continue driving with the ve-
hicle unchecked. It could result in se-
rious vehicle damage and possibly
personal injury.
Does your vehicle need
repairing?

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246
Use only spark plugs of the speci-
fied type. Using other types will
cause engine damage, loss of per-
formance or radio noise.
Do not reuse iridium −tipped spark
plugs by cleaning or regapping.
Do not overfill automatic transmis-
sion fluid, transfer oil and power
steering fluid, or the transmission,
transfer and power steering could
be damaged.
Do not drive with the air cleaner
filter removed, or excessive engine
wear could result. Also backfiring
could cause a fire in the engine
compartment.
Be careful not to scratch the glass
surface with the wiper frame.
When closing the engine hood,
check to see that you have not for-
gotten any tools, rags, etc.
Parts and tools
Here is a list of parts and tools you will
need on performing do −it−yourself mainte-
nance. Remember all Toyota parts are de-
signed in metric sizes, so your tools must
be metric.
Checking the engine oil level
Parts (if level is low):
Engine oil API grade SJ,
”Energy −Conserving” multigrade or
ILSAC multigrade having viscosity
proper for your climate
Tools: Rag or paper towel
Funnel (only for adding oil)
Checking the engine coolant level
Parts (if level is low): ”TOYOTA Long Life Coolant” or equiva-
lent
See Section 7 −2 for details about cool-
ant type selection.
Demineralized or distilled water
Tools:
Funnel (only for adding coolant) Checking brake fluid
Parts (if level is low):
SAE J1703 or FMVSS No.116 DOT 3
brake fluid
Tools:
Rag or paper towel
Funnel (only for adding fluid)
Checking power steering fluid
Parts (if level is low):
Automatic transmission fluid DEXRON
II
or III
Tools:
Rag or paper towel
Funnel (only for adding fluid)
Checking battery condition
Tools: Warm water
Baking soda
Grease
Conventional wrench (for terminal
clamp bolts)

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—Checking battery exterior
Terminals
Ground cable
Hold −down clamp
Check the battery for corroded or loose
terminal connections, cracks, or loose
hold −down clamp.
a. If the battery is corroded, wash it off with a solution of warm water and bak-
ing soda. Coat the outside of the termi-
nals with grease to prevent further cor-
rosion.
b. If the terminal connections are loose, tighten their clamp nuts—but do not
overtighten.
c. Tighten the hold −down clamp only
enough to keep the battery firmly in
place. Overtightening may damage the
battery case.NOTICE
Be sure the engine and all accesso-
ries are off before performing main-
tenance.
When checking the battery, remove
the ground cable from the negative
terminal (”–” mark) first and rein-
stall it last.
Be careful not to cause a short cir-
cuit with tools.
Take care no solution gets into the
battery when washing it.
—Checking battery fluid
Ty p e A
Ty p e B Green Dark Clear or
light yellow
Blue White Red
CHECKING BY HYDROMETER
Check the battery condition by the
hydrometer color. Hydrometer color
ConditionTy p e ATy p e B
GreenBlueGood
DarkWhite
Charging necessary.
Have battery checked by your
Toyota dealer.
Clear or
light
yellow
Red
Have battery
checked by your
Toyota dealer.

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264
Battery recharging precautions
During recharging, the battery is pro-
ducing hydrogen gas.
Therefore, before recharging:
1. If recharging with the battery installed on the vehicle, be sure to disconnect
the ground cable.
2. Be sure the power switch on the re- charger 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 suffi-
cient ventilation.
Only do a slow charge (5 A or
less). Charging at a quicker rate
is dangerous. The battery may
explode, causing personal inju-
ries.
NOTICE
Never recharge the battery while the
engine is running. Also, be sure all
accessories are turned off.
Ty p e A
Ty p e B
Ty p e C Good Blown
Good Blown
Good Blown
Checking and replacing fuses

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Service specifications
ENGINE
Valve clearance (engine cold), mm (in.):
Intake 0.15—0.25 (0.006—0.010)
Exhaust 0.25—0.35 (0.010—0.014)
Spark plug type: DENSO SK20R11
NGK IFR6A11
Spark plug gap, mm (in.): 1.1 (0.043)
ENGINE LUBRICATION
Oil capacity (drain and ref ill), L (qt., Imp.
qt.)
With filter 6.8 (7.2, 6.0)
Without filter 6.4 (6.8, 5.6)
Oil grade: API grade SJ, ”Energy −Conserving” mul-
tigrade engine oil or ILSAC multigrade
engine oil is recommended.
Recommended oil viscosity (SAE):
COOLING SYSTEM
Total capacity, L (qt., Imp. qt.) Without rear heater 14.7 (15.5, 12.9)
With rear heater 15.4 (16.3, 13.6)
Coolant type:
”TOYOTA Long Life Coolant” or equivalent
With ethylene −glycol type coolant for a
proper corrosion protection of aluminum
components
Do not use alcohol type antifreeze or plain
water alone.
BATTERY
Open voltage
at 20 C (68 F):
12.6—12.8 V Fully charged
12.2—12.4 V Half charged
11.8—12.0 V Discharged
: Voltage that is checked 20 minutes af-
ter the key is removed with all the lights
turned off
Charging rates: 5 A max. AUTOMATIC TRANSMISSION
Fluid capacity (drain and refill), L (qt.,
Imp. qt.)
Up to 2.0 (2.1, 1.8)
Fluid type: Automatic transmission fluid D–II orDEXRON
III (DEXRON
II)
TRANSFER
Oil capacity, L (qt., Imp. qt.) 1.3 (1.4, 1.1)
Oil type: Gear oil API GL −4 or GL −5
Recommended oil viscosity: SAE 75W −90
DIFFERENTIAL
Oil capacity, L (qt., Imp. qt.): Front 1.6 (1.7, 1.4) Rear
With rear differential lock system
3.2 (3.4, 2.8)
Without rear differential lock system 3.3 (3.5, 2.9)