open hood TOYOTA HIGHLANDER 2001 Service Repair Manual

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If engine speed does not increase when
the accelerator pedal is depressed, there
may be a problem somewhere in the elec-
tronic throttle control system.
At this time, vibration may occur. Howev-
er, if you depress the accelerator pedal
more firmly and slowly, you can drive your
vehicle at low speeds. Have your vehicle
checked by your Toyota dealer as soon as
possible.
Even if the abnormality of the electronic
throttle control system is corrected during
low speed driving, the system may not be
recovered until the engine is stopped and
the ignition key is turned to ACCº or
LOCKº position.
CAUTION
Be especially careful to prevent erro-
neous pedal operation.
If your engine coolant temperature
gauge indicates overheating, if you ex-
perience a loss of power, or if you hear
a loud knocking or pinging noise, the
engine has probably overheated. You
should follow this procedure...
1. Pull safely off the road, stop the ve-
hicle and turn on your emergency
flashers. Put the transmission in Pº
and apply the parking brake. Turn off
the air conditioning if it is being used.
2. If coolant or steam is boiling out of the
radiator or reservoir, stop the engine.
Wait until the steam subsides before
opening the hood. If there is no coolant
boiling over or steam, leave the engine
running and make sure the electric
cooling fan is operating. If it is not,
turn the ignition off.
CAUTION
To help avoid personal injury, keep
the hood closed until there is no
steam. Escaping steam or coolant is
a sign of very high pressure.
3. Look for obvious coolant leaks from the
radiator, hoses, and under the vehicle.
However, note that water draining from
the air conditioning is normal if it has
been used.
CAUTION
When the engine is running, keep
hands and clothing away from the
moving fan and engine drive belts.
4. If the coolant is leaking, stop the en-
gine immediately. Call a Toyota dealer
for assistance.
5. If there are no obvious leaks, check
the coolant reservoir. If it is dry, add
coolant to the reservoir while the en-
gine is running. Fill it about half full.
For the coolant type, see Coolant type
selectionº on page 383 in Section 7- 2.
CAUTION
Do not attempt to remove the radiator
cap when the engine and radiator are
hot. Serious injury could result from
scalding hot fluid and steam blown
out under pressure.
If you cannot increase engine
speedIf your vehicle overheats

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Power steering fluid level
Check the level through the reservoir. The
level should be in the HOTº or COLDº
range depending on the fluid temperature.
See page 385 in Section 7- 2 for addition-
al 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 cautionsº on
page 295 in Section 2.)
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
Check that it has the specified free play.
Be alert for changes in steering condition,
such as hard steering or strange noise.Seats
Check that all seat controls such as seat
adjusters, seatback recliner, etc. operate
smoothly and that all latches lock securely
in any position. Check that the head re-
straints move up and down smoothly and
that the locks hold securely in any latched
position. For folding- down rear seatbacks,
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
In a safe place, check that the brakes do
not pull to one side when applied.Parking brake
Check that the pedal has the proper travel
and that, on a safe incline, your vehicle
is held securely with only the parking
brake applied.
Automatic transmission Parkº 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 Pº position and all brakes re-
leased.
OUTSIDE THE VEHICLE
Items listed below should be performed
from time to time, unless otherwise
specified.
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 side doors and back door
operate smoothly and all latches lock se-
curely. Make sure the engine hood sec-
ondary latch secures the hood from open-
ing when the primary latch is released.

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1. Side defroster outlets
2. Instrument cluster
3. Center vents
4. Electric moon roof switch and personal
lights
5. Garage door opener
6. Auxiliary boxes
7. Side vents
8. Power door lock switches
9. Power window switches
10. Glove box
11. Automatic transmission selector lever
12. Rear ashtray
13. Input terminal adapter
14. Power outlets
15. Cup holder
16. Container
17. Front ashtray
18. Audio remote control switches
19. Hood lock release lever
20. Parking brake pedal
21. Window lock switch
Instrument panel overview

Vehicles with rear seat entertainment system (view A)

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2005 HIGHLANDER from Nov. '04 Prod. (OM48570U)
1. Side defroster outlets
2. Instrument cluster
3. Center vents
4. Electric moon roof switch and personal
lights
5. Garage door opener
6. Auxiliary boxes
7. Side vents
8. Power door lock switches
9. Power window switches
10. Glove box
11. Automatic transmission selector lever
12. Rear ashtray
13. Cup holder
14. Container
15. Power outlet
16. Front ashtray
17. Audio remote control switches
18. Hood lock release lever
19. Parking brake pedal
20. Window lock switch
Vehicles without rear seat entertainment system (view A)

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2005 HIGHLANDER from Nov. '04 Prod. (OM48570U)
CAUTION
Keep the back door closed while driv-
ing. This not only keeps the luggage
from being thrown out but also pre-
vents exhaust gases from entering
the vehicle.
To open the hood:
1. Pull the hood lock release lever. The
hood will spring up slightly.
CAUTION
Before driving, be sure that the hood
is closed and securely locked. Other-
wise, the hood may open unexpected-
ly while driving and an accident may
occur.
2. In front of the vehicle, pull up the
auxiliary catch lever and lift the
hood.
Hood

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2005 HIGHLANDER from Nov. '04 Prod. (OM48570U)
3. Hold the hood open by inserting the
support rod into the slot.
Before closing the hood, check to see that
you have not forgotten any tools, rags,
etc. and return the support rod to its
clipÐthis prevents rattles. Then lower the
hood and make sure it locks into place.
If necessary, press down gently on the
front edge to lock it.
CAUTION
After inserting the support rod into
the slot, make sure the rod supports
the hood securely from falling down
on to your head or body.
To deter vehicle theft, the system is
designed to sound an alarm if any of
the side doors, back door or hood is
forcibly unlocked or the battery termi-
nal is disconnected and then recon-
nected when the system is set.
The alarm blows the horn intermittently
and flashes the headlights, tail lights and
turn signal lights, and turns on the interior
light.SETTING THE SYSTEM
1. Turn the ignition key to the LOCKº
position and remove it.
The indicator light will start flashing when
the key is removed from the ignition
switch. (See Engine immobilizer systemº
on page 17 in this Section for details.)
2. Have all passengers get out of the
vehicle.
3. Close and lock all the side doors, back
door and hood.
The indicator light will remain on when all
the side doors, back door and hood are
closed and locked.
Theft deterrent system

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The system will automatically be set after
30 seconds. When the system is set, the
indicator light will start flashing again.
4. After making sure the indicator light
starts flashing, you may leave the ve-
hicle.
Never leave anyone in the vehicle when
you set the system, because unlocking
from the inside will activate the system.
Canceling the system
The system will cancel within 30 seconds
before the system is set automatically un-
der any of the following conditions:

Any of the side doors, back door or
hood is opened.

Any of the side doors or back door is
unlocked.

The key is inserted into the ignition.

The battery terminal is reconnected.
If the tail lights come on for 2 seconds,
the theft deterrent system has been
alarmed. Check to see if there is any
abnormality with your vehicle.WHEN THE SYSTEM IS SET
Activating the system
The system will sound the alarm under
the following conditions:

If any of the side doors and back door
is unlocked or opened without the key
or wireless remote control transmitter,
or if the hood is forcibly opened.

If the battery terminal is disconnected
and then reconnected.

If the ignition is hot- wired.
The indicator light will come on when the
system is activated.
If any of the side doors and back door is
unlocked without the key or wireless re-
mote control transmitter and the key is
not in the ignition switch, all the side
doors and back door will be automatically
locked again.
After about 1 minute, the alarm will auto-
matically stop and the indicator light will
start flashing again.Reactivating the alarm
Once set, the system automatically resets
the alarm after the alarm stops.
The alarm will activate again under the
same circumstances described in
Activating the systemº.
Stopping the alarm
The alarm will be stopped by the following
conditions:

Turn the ignition key from the LOCKº
to ONº position.

Unlock any of the side doors or back
door with the key or wireless remote
control transmitter.
If the battery becomes discharged due
to the vehicle being unused for a long
time, etc., when the battery is recharged
or replaced, the system will give the
alarm. If this happens, immediately unlock
any of the side doors or back door with
the key or the wireless remote control
transmitter, and the alarm will stop.

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TESTING THE SYSTEM
1. Open all the windows.
2. Set the system as described above.
The side doors and back door should
be locked with the key or wireless re-
mote control transmitter. Be sure to
wait until the indicator light starts flash-
ing.
3. Unlock any door from the inside. The
system should activate the alarm.
4. Stop the alarm as described above.
5. Repeat this operation for the other
doors and hood. When testing the
hood, also check that the system is
activated when the battery terminal is
disconnected and then reconnected.
If the system does not work properly,
have it checked by your Toyota dealer.
This indicates that the fuel filler door
is on the left side of your vehicle.1. To open the fuel filler door, pull the
lever up.
When refueling, turn off the engine.
CAUTION

Do not smoke, cause sparks or al-
low open flames when refueling.
The fumes are flammable.

When opening the cap, do not re-
move the cap quickly. In hot weath-
er, fuel under pressure could cause
injury by spraying out of the filler
neck if the cap is suddenly re-
moved.
Fuel tank cap

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Theft Deterrent System
E3 Engine Hood Courtesy SW
1-2 : Closed with the engine hood open
T4 Theft Deterrent ECU
3-Ground : Always approx. 12 volts
10-Ground : Approx. 12 volts with the ignition SW at ON position
2-Ground : Always approx. 12 volts
29-Ground : Always continuity
K4 Unlock Warning SW
2-1 : Closed with the ignition key in the cylinder
D12 Door Key Lock and Unlock SW,Door Lock Motor and Door Unlock Detection SW Front LH
5-Ground : Approx. 12 volts with the door lock motor at lock operate
6-Ground : Approx. 12 volts with the door lock motor at unlock operate
4-2 : Closed with the door lock cylinder locked with key
3-2 : Closed with the door lock cylinder unlocked with key
D13 Door Key Lock and Unlock SW,Door Lock Motor and Door Unlock Detection SW Front RH
1-Ground : Approx. 12 volts with the door lock motor at lock operate
2-Ground : Approx. 12 volts with the door lock motor at unlock operate
3-5 : Closed with the door lock cylinder locked with key
4-5 : Closed with the door lock cylinder unlocked with key
D14 Door Lock Motor and Door Unlock Detection SW Rear LH
3-Ground : Approx. 12 volts with the door lock motor at lock operate
4-Ground : Approx. 12 volts with the door lock motor at unlock operate
D15 Door Lock Motor and Door Unlock Detection SW Rear RH
1-Ground : Approx. 12 volts with the door lock motor at lock operate
2-Ground : Approx. 12 volts with the door lock motor at unlock operate
B15 Back Door Lock Motor and Back Door Unlock Detection SW
1-Ground : Approx. 12 volts with the door lock motor at lock operate
2-Ground : Approx. 12 volts with the door lock motor at unlock operate
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
A10A42D1144J1344
A11B42D1244J1444
A1742D1344J1643
B9A42D1444J1743
B10B42D1544K443
B11C42E338 (3MZ-FE)O443
B12D42E642P544
B1444F738 (3MZ-FE)R1245
B1544F740 (2AZ-FE)S30A43
C11A42G543S31B43
C12B42J139 (3MZ-FE)T139 (3MZ-FE)
D342J141 (2AZ-FE)T443
D744J543T543
D844J643T743
D944J1044T843
D1044J1244
: RELAY BLOCKS
CodeSee PageRelay Blocks (Relay Block Location)
323Engine Room R/B No.3 (Engine Compartment Rear Left)
Service Hints

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Light bulbsBulb
No.WTy p e
Headlights (low)900651A
Headlights (high)900560B
Front fog lights900651A
Front turn signals/
parking and front
side marker lights
Ð21/5C
Rear side marker
lights1685E
Rear turn signal
lightsÐ21D
Stop/tail lights744321/5E
Back- up lights744021E
High mounted stop
light92116E
License plate
lightsÐ5E
Interior lightsÐ8F
Personal lightsÐ5E
Vanity lightsÐ2F
Door courtesy
lightsÐ5E
Glove box light#741.2E
A: HB4 halogen bulbs
B: HB3 halogen bulbs
C: Single end bulbs
D: Wedge base bulbs (amber)
E: Wedge base bulbs (clear)
F: Double end bulbs
1. Open the hood. Turn the bulb base
counterclockwise to the front of the
vehicle as shown.
ÐHeadlights