engine TOYOTA HIGHLANDER 2003 XU20 / 1.G Owners Manual

’03 HIGHLANDER_U (L/O 0208)
2872003 HIGHLANDER from Aug. ’02 Prod. (OM48441U)
Fuel type:
2AZFE engineUnleaded gasoline, Octane Rating 87
(Research Octane Number 91) or
higher
1MZFE engine Unleaded gasoline, Octane Rating 87
(Research Octane Number 91) or
higher. For improved vehicle perfor-
mance, the use of premium unleaded
gasoline with an Octane Rating of 91
(Research Octane Number 96) or
higher is recommended.
Fuel tank capacity, L (gal., Imp. gal.): 75 (19.8, 16.5) ENGINE
Valve clearance (engine cold), mm (in.):
2AZFE engine
Intake 0.19—0.29 (0.007—0.011)
Exhaust 0.30—0.40 (0.012—0.016)
1MZFE 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 Bor-
roughs drive belt tension gauge
No.BT3373F (used belt), Ibf: 2AZFE engineAutomatic adjustment
1MZFE engine 11 5 20 ENGINE LUBRICATION
Oil capacity (drain and ref
ill), L (qt., Imp.
qt.):
2AZFE engineWith filter 3.8 (4.0, 3.3)
Without filter 3.6 (3.8, 3.2)
1MZFE engine With filter 4.7 (5.0, 4.1)
Without filter 4.5 (4.8, 4.0)
“Toyota Genuine Motor Oil” is f illed in
your Toyota vehicle. Use Toyota approved
“Toyota Genuine Motor Oil” or equivalent
to satisfy the following grade and
viscosity.
Oil grade: API grade SL “EnergyConserving” or
ILSAC multigrade engine oil
Fuel Service specifications

’03 HIGHLANDER_U (L/O 0208)
2882003 HIGHLANDER from Aug. ’02 Prod. (OM48441U)
Recommended oil viscosity:
SAE 5W30
Outside temperature
Please contact your Toyota dealer for fur-
ther details. COOLING SYSTEM
Total capacity, L (qt., Imp. qt.):
2AZFE engine 6.4 (6.8, 5.6)
1MZFE engine 9.4 (9.9, 8.2)
Coolant type:
“Toyota Genuine Long Life Coolant” is
filled in your Toyota vehicle. In order to
avoid technical problems, we strongly
recommend using “Toyota Genuine Long
Life Coolant” or equivalent.
With ethyleneglycol type coolant for a
proper corrosion protection of aluminum
components
Do not use alcohol type antifreeze or
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 ref
ill), L (qt.,
Imp. qt.):
Up to 3.5 (3.7, 3.1)
Fluid type: Toyota Genuine ATF Type TIV
Change automatic transmission fluid only
as necessary.
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 TIV”
(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.

’03 HIGHLANDER_U (L/O 0208)
2892003 HIGHLANDER from Aug. ’02 Prod. (OM48441U)
TRANSFER
(fourwheel drive models)
Oil capacity, L (qt., Imp. qt.):
0.9 (1.0, 0.8)
Oil type: Hypoid gear oil API GL5
Recommended oil viscosity: Above 18 C (0 F)
SAE 90
Below 18 C (0 F)
SAE 80W or 80W90
REAR DIFFERENTIAL
(fourwheel drive models)
Oil capacity, L (qt., Imp. qt.): 0.9 (1.0, 0.8)
“Toyota Genuine Differential Gear Oil” is
filled in your Toyota vehicle. Use Toyota
approved “Toyota Genuine Differential
Gear Oil” or equivalent to satisfy the fol-
lowing specification.
Oil type: Hypoid gear oil API GL5
Recommended oil viscosity: Above 18 C (0 F)
SAE 90
Below 18 C (0 F)
SAE 80W or 80W90
Please contact your Toyota dealer for fur-
ther details. BRAKES
Minimum pedal clearance when depressed
with the force of 490 N (50 kgf, 110 lbf)
with the engine running, mm (in.):
106 (4.2)
Pedal free play, mm (in.): 1—6 (0.04—0.24)
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 Tire size:
P225/70R16 101S
Tire pressure, kPa (kgf/cm
2 or bar, psi):
210 (2.1, 30)
When driving under the above vehicle load
conditions at sustained high speeds above
160 km/h (100 mph), in countries where
such speeds are permitted bylaw, inflate
the front and rear tires to 240 kPa (2.4
kgf/cm
2 or bar, 35 psi) provided that it
does not exceed the maximum cold tire
pressure molded on the tire sidewall.
Wheel size: 16 6 1/2JJ
Wheel nut torque, N
·m (kgf·m, ft·lbf):
103 (10.5, 76)
NOTE: For a complete information on tires (e.g. replacing tires or re-
placing wheels), see “Checking
tire pressure” through “Aluminum
wheel precautions”, pages 267
through 273, in Section 72.
Tires

’03 HIGHLANDER_U (L/O 0208)
2902003 HIGHLANDER from Aug. ’02 Prod. (OM48441U)
Engine compartment
Instrument panel
Fuses (type A)
1. STARTER 7.5 A: Multiport fuel injection
system/s equential multiport fuel injec-
tion system
2. ABS3 7.5 A: Vehicle skid control sys-
tem
3. HEAD LP RH LWR 15 A: Righthand
headlight (low beam)
4. HEAD LP LH LWR 15 A: Lefthand
headlight (low beam)
5. A/F 25 A: Air fuel ratio sensor
6. ALTS 7.5 A: Charging system
7. TOWING 20 A: Trailer lights
Engine compartment
(with daytime running light system)
8. HORN 10 A: Horns
9. SECURITY 15 A: Theft deterrent sys-
tem
10. HEAD LP RH UPR 10 A: Righthand
headlight (high beam)
11. ECUB 7.5 A: Theft deterrent system,
air conditioning system, vehicle skid
control system, gauges and meters,
wireless remote control system, power
door lock
12. EFI 20 A: Multiport fuel injection sys-
tem/sequential multiport fuel injection
system, fuel pump, engine immobiliser
system
Fuses

’03 HIGHLANDER_U (L/O 0208)
2003 HIGHLANDER from Aug. ’02 Prod. (OM48441U)
Publication No. OM48441U
Part No. 01999-48441
Printed in Japan 01-0208-00
(U)
Quick index
If a service reminder indicator or warning buzzer comes on 105 . . . . . . . .
 If your vehicle will not start 216 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. .
 If your engine stalls while driving 219 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 If your vehicle overheats 219 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . .
 If you have a flat tire 220 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . .
 If your vehicle needs to be towed 229 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 Tips for driving during breakin period 185 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 How to start the engine 202 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . .
 General maintenance 247 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . .
 Complete index NO TAG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . .
Gas station information
Fuel type:
2AZFE engine: UNLEADED gasoline, Octane Rating 87
(Research Octane Number 91) or higher
1MZFE engine: UNLEADED gasoline, Octane Rating 87
(Research Octane Number 91) or higher
For improved vehicle performance, the use of premium unleaded
gasoline with an Octane Rating of 91 (Research Octane Number 96)
or higher is recommended.
See page 185 for detailed information.
Fuel tank capacity:
75 L (19.8 gal., 16.5 lmp.gal.)
Engine oil:
API grade SL “EnergyConserving” or ILSAC multigrade engine oil is
recommended.
See page 261 for detailed information.
Tire information: See pages 267 through 273.
Tire pressure: See page 289.
U4
C