2006 TOYOTA HIGHLANDER engine

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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.Ty p e A
Green Dark Clear or
light yellow
Ty p e B Blue White Red
CHECKING BY INDICATOR
Check the battery condition by the indi-
cator color.
Indicator color
ConditionTy p e ATy p e B
GreenBlueGood
DarkWhite
Charging necessary.
Have battery
checked by your
Toyota dealer.
Clear orlight
yellow
RedHave battery
checked by your
Toyota dealer.
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 un-
confined area. Do not charge the
battery in a garage or closed room
where there is not sufficient ventila-
tion.
Only do a slow charge (5 A or
less). Charging at a quicker rate is
dangerous. The battery may ex-
plode, causing personal injuries.
NOTICE
Never recharge the battery while the
engine is running. Also, be sure all
accessories are turned off.
—Checking battery c ondition Battery recharging pr ecautions

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NOTICE
Do not use engine antifreeze or any
other substitute because it may dam-
age your vehicle’s paint.
The following illustrations show how to
gain access to the bulbs. When replacing
a bulb, make sure the ignition switch and
light switch are off. Use bulbs with the
wattage ratings given in the table.
CAUTION
To prevent burning yourself, do not
replace the light bulbs while they
are hot.
Halogen bulbs have pressurized gas
inside and require special handling.
They can burst or shatter if
scratched or dropped. Hold a bulb
only by its plastic or metal case.
Do not touch the glass part of a
bulb with bare hands.
NOTICE
Only use a bulb of the listed type.
The inside of the lens of exterior lights
such as headlights may temporarily fog up
when the lens becomes wet in the rain or
in a car wash. This is not a problem
because the fogging is caused by the
temperature difference between the outside
and inside of the lens, just like the
windshield fogs up in the rain. However, if
there is a large drop of water on the
inside of the lens, or if there is water
pooled inside the light, contact your
Toyota dealer.
Replacing light bulbs—

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SPECIFICATIONS
Specifications
Dimensions and weights 404
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Engine 404
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Fuel 405
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Service specifications 405
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Tires 408
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Fuses 409
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SECTION 8

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Model:
2AZ− FE and 3MZ −FE
Type: 2AZ− FE engine
4 cylinder in line, 4 cycle, gasoline
3MZ −FE engine
6 cylinder V type 4 cycle, gasoline
Bore and stroke, mm (in.): 2AZ− FE engine
88.5 96.0 (3.48 3.78)
3MZ −FE engine
92.0 83.0 (3.62 3.27)
Displacement, cm
3 (cu. in.):
2AZ− FE engine
2362 (144.1)
3MZ −FE engine
3311 (202.1)
Dimensions and weights
Overall length mm (in.)
Overall width mm (in.)
Overall height
∗ 1mm (in.)
Wheelbase mm (in.)
Front tread mm (in.)
Rear tread mm (in.)
Vehicle capacity
weight (occupants
+ luggage) kg (lb.) Tw o
−wheel drive models Four −wheel drive models
4690 (184.6)
4690 (184.6)
1825 (71.9) 1825 (71.9)
1690 (66.5)
∗ 2
1745 (68.7)∗3
2715 (106.9) 2715 (106.9)
1580 (62.2) 1575 (62.0)
1565 (61.6) 1555 (61.2)
390 (860)
∗ 4
526 (1159)∗5390 (860)∗4
526 (1159)∗5
∗ 1
: Unladen vehicle∗2: Without roof rails∗3: With roof rails∗4: Without third seat∗5: With third seat∗6: 2.4 L 4 −cylinder (2AZ −FE) engine∗
7: 3.3 L V6 (3MZ −FE) engine∗
8: Without towing package∗9: With towing package 1680 (66.1)
∗
2
1735 (68.3)∗3
Towing capacity
(trailer weight +
cargo weight) kg (lb.) 680 (1500)∗
6, 8
1360 (3000)∗6, 9
907 (2000)∗7, 8
1585 (3500)∗7, 9
680 (1500)∗6, 8
1360 (3000)∗6, 9
907 (2000)∗7, 8
1585 (3500)∗7, 9
Engine

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Fuel type:
2.4 L 4 −cylinder (2AZ −FE) engine
Unleaded gasoline, Octane Rating 87
(Research Octane Number 91) or
higher
3.3 L V6 (3MZ −FE) engine
Unleaded gasoline, Octane Rating 87
(Research Octane Number 91) or
higher. For improved vehicle perfor-
mance, use premium unleaded gaso-
line with an Octane Rating of 91 (Re-
search Octane Number 96) or higher.
Fuel tank capacity, L (gal., Imp. gal.): 72.5 (19.1, 16.0) ENGINE
Valve clearance (engine cold), mm (in.):
2.4 L 4 −cylinder (2AZ −FE) engine
Intake 0.19—0.29 (0.007—0.011)
Exhaust 0.30—0.40 (0.012—0.016)
3.3 L V6 (3MZ −FE) engine
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)
Drive belt tension measured with
Borroughs drive belt tension gauge
No.BT− 33−73F (used belt), Ibf:
2.4 L 4 −cylinder (2AZ −FE) engine
Automatic adjustment
3.3 L V6 (3MZ −FE) engine
125 10 ENGINE LUBRICATION
Oil capacity (drain and refill), L (qt., Imp.
qt.):
2.4 L 4 −cylinder (2AZ −FE) engine
With filter 3.8 (4.0, 3.3)
Without filter 3.6 (3.8, 3.2)
3.3 L V6 (3MZ −FE) engine
With filter 4.7 (5.0, 4.1)
Without filter 4.5 (4.8, 4.0)
“Toyota Genuine Motor Oil” is used in
your Toyota vehicle. Use Toyota approved
“Toyota Genuine Motor Oil” or equivalent
to satisfy the following grade and
viscosity.
Oil grade: ILSAC multigrade engine oil
Fuel Service specifications

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Recommended oil viscosity:
SAE 5W −30
Outside temperature
Please contact your Toyota dealer for fur-
ther details. COOLING SYSTEM
Total capacity, L (qt., Imp. qt.):
2.4 L 4 −cylinder (2AZ −FE) engine
With rear heater 7.7 (8.1, 6.8) 8.5 (9.0, 7.5)
∗
Without rear heater6.3 (6.7, 5.5)
7.1 (7.5, 6.2)
∗
3.3 L V6 (3MZ−FE) engine
With rear heater 10.7 (11.3, 9.4) 11.4 (12.0, 10.0)
∗
Without rear heater 9.4 (9.9, 8.3)
10.1 (10.7, 8.9)
∗
∗
: Vehicles with towing package
Coolant type:
“Toyota Super Long Life Coolant” is
used in your Toyota vehicle at factory
fill. In order to avoid technical problems,
only use “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.
(Coolant with long −life hybrid organic
acid technology is a combination of low
phosphates and organic acids.)
Do not use plain water alone. Please contact your Toyota dealer for
further details.
BATTERY
Open voltage
∗ at 20 C (68 F):
12.6—12.8V Fully charged
12.2—12.4V Half charged
11.8—12.0V 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 TRANSAXLE
Fluid capacity (drain and refill),
L (qt., Imp. qt.): Up to 3.5 (3.7, 3.1)
Fluid type: Toyota Genuine ATF Type T −IV
Change automatic transmission fluid only
as necessary.

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Generally, it is necessary to change
automatic transmission fluid only if your
vehicle is driven under one of the Special
Operating Conditions listed in your
“Scheduled Maintenance Guide” or
“Owner ’s Manual Supplement”. When
changing the automatic transmission fluid,
use only “Toyota Genuine ATF Type T −IV”
(ATF JWS3309 or NWS6500) to aid in
assuring optimum transaxle performance.
Notice: Using automatic transmission
fluid other than “Toyota Genuine ATF
Type TIV” may cause deterioration in
shift quality, locking up of your trans-
mission accompanied by vibration, and
ultimately damage the automatic trans-
mission of your vehicle.
Please contact your Toyota dealer for fur-
ther details.
TRANSFER
(fourwheel drive models)
Oil capacity, L (qt., Imp. qt.):
0.9 (1.0, 0.8)
Oil type: Hypoid gear oil API GL −5
Recommended oil viscosity: Above −18 C (0 F)
SAE 90
Below −18 C (0 F)
SAE 80W or 80W −90 REAR DIFFERENTIAL
(fourwheel drive models)
Oil capacity, L (qt., Imp. qt.):
0.9 (1.0, 0.8)
Oil type: Hypoid gear oil API GL −5
Recommended oil viscosity: Above −18 C (0 F)
SAE 90
Below −18 C (0 F)
SAE 80W or 80W −90
BRAKES
Minimum pedal clearance when depressed
with the force of 490 N (50 kgf, 110 lbf)
with the engine running, mm (in.): 83 (3.3)
Pedal free play, mm (in.): 2—3 (0.08—0.12)
Pad wear limit, mm (in.): 1.0 (0.04)
Lining wear limit, mm (in.): 1.0 (0.04)
Parking brake adjustment when depressed
with the force of 294 N (30 kgf, 66 lbf): 5—7 clicks
Fluid type: SAE J1703 or FMVSS No.116 DOT 3 STEERING
Wheel free play:
Less than 30 mm (1.2 in.)
Power steering fluid type: Automatic transmission fluid DEXRON II
or III

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Engine compartment
Instrument panel
Fuses (type A)
1. A/F 25 A: Air fuel ratio sensor
2. CRT 7.5 A: Rear seat entertainment
system, navigation system
3. STARTER 7.5 A: Multiport fuel injection
system/se quential multiport fuel injec-
tion system
4. EFI NO.2 10 A: Multiport fuel injection
system/se quential multiport fuel injec-
tion system
5. ETCS 10 A: Multiport fuel injection
system/se quential multiport fuel injec-
tion system
Engine compartment
(with daytime running light system)
6. RR HTR 15 A: Rear air conditioning
system
7. HLP RH LWR 15 A: Right−hand head-
light (low beam)
8. HLP LH LWR 15 A: Left−hand head-
light (low beam)
9. ALTS 7.5 A: Charging system
10. POWER OUTLET2 20 A: Power outlets
11. TOWING 20 A: Trailer lights
12. HORN 10 A: Horns
13. SECURITY 15 A: Theft deterrent sys-
tem
Fuses