TOYOTA HIGHLANDER 2001 Service Repair Manual

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(i) Open Door Warning Light and Buzz-
er
This light remains on until all the side
doors and back door are completely
closed.
If the vehicle speed rises above 5 km/h
(3 mph) with any door open, a buzzer
sounds.
(j) Automatic Transmission Fluid
Temperature Warning Light
(four- wheel drive models)
This light warns that the automatic trans-
mission fluid temperature is too high.
If this light comes on while you are driv-
ing, slow down and pull off the road. Stop
the vehicle at a safe place and put the
selector lever in Pº. With the engine id-
ling, wait until the light goes off. If the
light goes off, you can start the vehicle
again. If the light does not go off, call a
Toyota dealer or qualified repair shop for
assistance.
NOTICE
Continued driving with the warning
light on may damage the automatic
transmission.
(k) SRS Warning Light
This light will come on when the igni-
tion key is turned to the ONº position.
After about 6 seconds, the light will go
off. This means the systems of the air-
bag and front seat belt pretensioners
are operating properly.
This warning light system monitors the
airbag sensor assembly, front airbag sen-
sors, side and curtain shield airbag sen-
sors, curtain shield airbag sensors, driv-
er 's seat position sensor, driver 's seat belt
buckle switch, front passenger occupant
classification system, AIRBAG ONº indi-
cator light, AIRBAG OFFº indicator light,
front passenger 's seat belt buckle switch,
seat belt pretensioner assemblies, inflat-
ors, warning light, interconnecting wiring
and power sources.
If either of the following conditions occurs,
this indicates a malfunction somewhere in
the parts monitored by the warning light
system. Contact your Toyota dealer as
soon as possible to service the vehicle.

The light does not come on when the
ignition key is turned to the ONº posi-
tion or remains on for more than 6
seconds or flashes.

The light comes on or flashes while
driving.If the light stays on, it indicates that the
SRS driver and front passenger airbag
system and/or front passenger occupant
classification system and AIRBAG ONº
and AIRBAG OFFº indicator lights have a
problem. If the light flashes, the SRS side
airbag system and/or curtain shield airbag
system have a problem.
(l) VSCº Warning Light
This light warns that there is a problem
somewhere in the vehicle stability control
system or traction control system.
The light will come on when the ignition
key is turned to ONº, and will go off after
a few seconds.
If the light comes on while driving, the
system does not work. However, as con-
ventional braking operates when applied,
there is no problem to continue your driv-
ing.
In the following cases, contact your Toyota
dealer:

The warning light does not come on
after the ignition key is turned to ONº.

The warning light remains on after the
ignition key is turned to ONº.

The warning light comes on while driv-
ing.

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Two- wheel drive models onlyÐThe TRAC
OFFº indicator light will come on when the
VSCº warning light comes on even if the
TRAC OFFº switch is not pushed.
(m) Low Tire Pressure Warning Light
This light warns that the tire inflation pres-
sure is critically low. The light comes on
when the ignition key is turned to the
ONº position. It goes off after a few sec-
onds. This indicates that the low tire pres-
sure warning system is functioning proper-
ly.
If the light comes on while driving, adjust
tire inflation pressure to the specified lev-
el. (See Tiresº on page 410 in Section 8.)
After the tire inflation pressure is adjusted,
push the tire pressure warning system re-
set switch for a few seconds and make
sure the warning light goes off. If the light
still remains or blinks once every second,
have the low tire pressure warning system
checked at your Toyota dealer.
If the light blinks twice every second, the
low tire pressure warning system needs to
be initialized.
For details, see Tire pressure warning
systemº on page 161 in Section 1- 7.(n) Low Windshield Washer Fluid Level
Warning Light
The light warns that the windshield washer
fluid level is too low. Add washer fluid at
your earliest opportunity. (For instructions,
see Adding washer fluidº on page 399 in
Section 7- 3.)
(o) Engine Oil Replacement Reminder
Light (for vehicles sold in U.S.A.)
This light acts as a reminder to replace
the engine oil.
This light will come on when the ignition
key is turned to ONº and will go off after
about a few seconds.
When you drive for about 7200 km (4500
miles) after the engine oil replacement,
this light illuminates for about 3 seconds
and then flashes for about 12 seconds
with the ignition key turned to the ONº
position. If you continue driving without
replacing the engine oil, and if the dis-
tance driven exceeds 8000 km (5000
miles), the light will come on after the
ignition key is turned to ONº position.
The light will remain on thereafter.
If the light is flashing, we recommend that
you replace the engine oil at an early
opportunity depending on the driving and
road conditions. If the light comes on,
replace it as soon as possible.The system must be reset after the en-
gine oil replacement. Reset the system by
the following procedure:
1. Turn the ignition key to the LOCKº
position with the odometer reading
shown. (For details, see Odometer and
two trip metersº on page 133 in this
Section.)
2. Turn the ignition key to the ONº posi-
tion while holding down the trip meter
reset knob.
Hold down the knob for at least 5 sec-
onds. The odometer indicates 000000º
and the light goes off.
If the system fails to reset, the light will
continue flashing.
(p) Key Reminder Buzzer
This buzzer acts as a reminder to remove
the key when you open the driver's door
with the ignition key in the ACCº or
LOCKº position.

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CHECKING SERVICE REMINDER
INDICATORS (except the low fuel level
warning light and low windshield
washer fluid level warning light)
1. Apply the parking brake.
2. Open one of the side doors or back
door.
The open door warning light should
come on.
3. Close the door.
The open door warning light should go
off.
4. Turn the ignition key to ONº, but do
not start the engine.
All the service reminder indicators ex-
cept the open door warning light should
come on. The ABSº and VSCº warn-
ing lights, low tire pressure warning
light and engine oil replacement re-
minder light go off after a few seconds.
The SRS warning light goes off after
about 6 seconds. (The TRAC OFFº
indicator light, slip indicator light, AIR-
BAG ONº indicator light and AIRBAG
OFFº indicator light also come on and
go off after a few seconds.)
If any service reminder indicator or warn-
ing buzzer does not function as described
above, have it checked by your Toyota
dealer as soon as possible.

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2005 HIGHLANDER (EWD592U)
100
Engine Immobilizer System
10A
IGN
1G 67. 5A
ECU- B
E E1G 10
1D 9
W P P
PBRW-L
21 9E E4A 12
4G 5
P
GND TXCT CODE VC5
13 12 11 87 5 4 1
R W GRB
A A
P
SIL
7
T14 J17J16
J 6D 3
T 7
AGND TXCT CODE VC5 D +B IG
EFIO
6
B
IMIEFII
7
IMO
V
GND
14
W- B
IC E 6
IB KSW
10
G
CTY
4
B
1 2
4K 8
4N 14L71
D 7 K 4
W- B
B G
27 264M 4
4E 1IC3 5
P
2A 4
V
4G 9
W- B W- B
W- B
D D
J 6IF3 14
11 3K
3B 2
1 2
11 3F
3F 13IND
3
W R B W- B W- B
T 5IA1 9 Data Link Connector 3
Door Cour tesy SW
Front LH Engine Control ModuleJunction
Connector
Juncti on
ConnectorJunction
Connector
Junction
Connector
Unlock
War ning SW
Theft Deterrent
Indicator Light Transponder Key Amplifier
Transponder Key
Computer From Power Source System (
See Page 62)

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101
T14 Transponder Key Computer
1-Ground : Always approx. 12 volts
14-Ground : Always continuity
2-Ground : Approx. 12 volts with ignition SW at ON or ST position
: PARTS LOCATION
CodeSee PageCodeSee PageCodeSee Page
D342J1643T743
D744J1743T1443
E642K443
J643T543
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CodeSee PageJunction Block and Wire Harness (Connector Location)
1D29Cowl Wire and Instrument Panel J/B (Lower Finish Panel)1G29Cowl Wire and Instrument Panel J/B (Lower Finish Panel)
2A27Engine Room Main Wire and Engine Room J/B (Engine Compartment Left)
3B303F30Instrument Panel Wire and Center J/B (Behind the Instrument Panel Center)
3K31
()
4A
4E33
4G
4KCowl Wire and Passenger Side J/B (Right Side of Grove Box)
4L32
g(g )
4M32
4N
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CodeSee PageJoining Wire Harness and Wire Harness (Connector Location)
IA152Cowl Wire and Floor No.2 Wire (Left Kick Panel)
IC352Engine Room Main Wire and Cowl Wire (Left Cowl Side Panel)
IF352Instrument Panel Wire and Cowl Wire (Right Side of Instrument Panel J/B)
: GROUND POINTS
CodeSee PageGround Points Location
IB52Right Instrument Panel Brace
IC52Right Cowl Side Panel
Service Hints

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OPERATION OF INSTRUMENTS AND
CONTROLS
Ignition switch, Transmission and Parking brake
Ignition switch with steering lock146 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Automatic transmission147 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Traction control system156 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vehicle stability control system160 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tire pressure warning system161 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parking brake165 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cruise control165 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 1- 7

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STARTºÐStarter motor on. The key
will return to the ONº position when
released.
For starting tips, see page 317 in Section
3.
ONºÐEngine on and all accessories
on.
This is the normal driving position.
ACCºÐAccessories such as the radio
operate, but the engine is off.
If you leave the key in the ACCº or
LOCKº position and open the driver's
door, a buzzer will remind you to remove
the key.LOCKºÐEngine is off and the steering
wheel is locked. The key can be re-
moved only at this position.
You must push in the key to turn it from
ACCº to the LOCKº position. The selec-
tor lever must be in the Pº position be-
fore pushing the key.
Vehicles with engine immobilizer sys-
temÐOnce you remove the key, the en-
gine immobilizer system is automatically
set. (See Engine immobilizer systemº on
page 17 in Section 1- 2.)
When starting the engine, the key may
seem stuck at the LOCKº position. To
free it, first be sure the key is pushed all
the way in, and then rock the steering
wheel slightly while turning the key gently.
2AZ- FE engine onlyÐApproximately five
hours after the engine is turned off, you
may hear sound coming from underneath
the luggage compartment for several min-
utes. This is normal operation and does
not indicate a malfunction. (See Leak
detection pumpº on page ix.)
NOTICE
Do not leave the key in the ONº
position if the engine is not running.
The battery will discharge and the
ignition could be damaged.
Ignition switch with steering
lock

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Your automatic transmission has a shift
lock system to minimize the possibility of
incorrect operation. This means you can
only shift out of Pº position when the
brake pedal is depressed (with the ignition
switch in ONº position and the lock re-
lease button depressed).
(a) Selector lever
The shift position is also displayed on the
instrument cluster.
P:Parking, engine starting and
key removal
R:Reverse
N:Neutral
D:Normal driving (with overdrive on)
2:Stronger engine braking
L:Maximum engine braking
Automatic transmission

2AZ- FE engine
Lock release button
To prevent misshifting
With the brake pedal depressed,
shift while holding the lock release
button in. (The ignition switch must
be in ONº position.)
Shift while holding the lock
release button in.
Shift normally.Selector lever
Snow mode
button
Overdrive switch

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(b) Overdrive switch
You can select either third gear (with
overdrive off) or fourth gear (with over-
drive on) by pushing this switch.
To turn the overdrive off, push the switch.
The O/D OFFº indicator light should come
on. To turn the overdrive on again, push
the switch again. The O/D OFFº indicator
light should go off.
Always drive your vehicle with the over-
drive on for better fuel economy and
quieter driving.
If the engine is turned off when the over-
drive is off and restarted, the overdrive
will be on automatically.When the cruise control is being used,
even if you downshift the transmission by
pushing and releasing the overdrive
switch, engine braking will not be enabled
because the cruise control is not can-
celled.
For ways to decrease the vehicle speed,
see Cruise controlº on page 165 in this
Section.
(c) Normal driving
1. Start the engine as instructed in How
to start the engineº on page 318 in
Section 3. The transmission must be in
Pº or Nº.
2. With your foot holding down the brake
pedal, shift the selector lever to Dº.
When the lever is in the Dº position, the
automatic transmission system will select
the most suitable gear for running condi-
tions such as normal cruising, hill climb-
ing, hard towing, etc.
Always turn the overdrive on for better
fuel economy and quieter driving. If the
engine coolant temperature is low, the
transmission will not shift into the over-
drive gear even with the overdrive on.
CAUTION
Never put your foot on the accelera-
tor pedal while shifting.
3. Release the parking brake and brake
pedal. Depress the accelerator pedal
slowly for smooth starting.
(d) Using engine braking
To use engine braking, you can downshift
the transmission as follows:
Push the overdrive switch. The O/D
OFFº indicator light will come on and
the transmission will downshift to third
gear.
Shift into the 2º position. The trans-
mission will downshift to second gear
when the vehicle speed drops down to
or lower than the following speed, and
stronger engine braking will be en-
abled.
Two- wheel drive models
103 km/h (63 mph) . . . . . . . . . . . . . . .
Four- wheel drive models
93 km/h (57 mph) . . . . . . . . . . . . . . . .