2004 TOYOTA HIGHLANDER engine

’04 HIGHLANDER_U (L/O 0308)
398
2004 HIGHLANDER from Aug. ’03 Prod. (OM48478U)
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∗6:2AZ −FE engine∗
7:3MZ −FE engine 1680 (66.1)
∗
2
1735 (68.3)∗3
Towing capacity
(trailer weight +
cargo weight) kg (lb.) 1360 (3000)∗
6
1585 (3500)∗71360 (3000)∗6
1585 (3500)∗7
Engine

’04 HIGHLANDER_U (L/O 0308)
399
2004 HIGHLANDER from Aug. ’03 Prod. (OM48478U)
Fuel type:
2AZ− FE engine
Unleaded gasoline, Octane Rating 87
(Research Octane Number 91) or
higher
3MZ −FE 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.): 72.5 (19.1, 16.0) ENGINE
Valve clearance (engine cold), mm (in.):
2AZ− FE engine
Intake 0.19—0.29 (0.007—0.011)
Exhaust 0.30—0.40 (0.012—0.016)
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 Bor-
roughs drive belt tension gauge
No.BT− 33−73F (used belt), Ibf:
2AZ− FE engine
Automatic adjustment
3MZ −FE engine
125 10 ENGINE LUBRICATION
Oil capacity (drain and refill), L (qt., Imp.
qt.):
2AZ− FE engine
With filter 3.8 (4.0, 3.3)
Without filter 3.6 (3.8, 3.2)
3MZ −FE 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 “Energy −Conserving” or
ILSAC multigrade engine oil
Fuel Service specifications

’04 HIGHLANDER_U (L/O 0308)
400
2004 HIGHLANDER from Aug. ’03 Prod. (OM48478U)
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.):
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)
∗
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
filled 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.
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.
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.

’04 HIGHLANDER_U (L/O 0308)
401
2004 HIGHLANDER from Aug. ’03 Prod. (OM48478U)
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

’04 HIGHLANDER_U (L/O 0308)
402
2004 HIGHLANDER from Aug. ’03 Prod. (OM48478U)
Engine compartment
Tires
Ti r e siz eTi r e inf lat ion pr es s ur e
Front Rear
P225/70R16 101S
225/65R17 101S 210 (2.1, 31) 210 (2.1, 31)
210 (2.1, 31) 210 (2.1, 31) Wheel size
16 6 1/2 JJ
17 6 1/ 2 JJ
When driving under the above load condition at sustained high speeds above
160 km, in countries where such speeds are permitted by −low, inf lat e the
front and rear tires to the following tire inflation pressure provided that it
does not exceed the maximum cold tire inflation pressure molded on the
tire sidewall.
P225/70R16 101S tires 240 kPa (2.4 kgf/cm
2 or bar, 35 psi)
225/65R17 101S tires 230 kPa (2.3 kgf/cm2 or bar, 33 psi)
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 replacing wheels), see “Checking tire inflation pressure” through “Aluminum
wheel precautions”, pages 377 through 385, in Section 7 −2.
Tire size and cold tire inflation pressure:
kPa (kgf/cm
2 or bar, psi)
Fuses

’04 HIGHLANDER_U (L/O 0308)
403
2004 HIGHLANDER from Aug. ’03 Prod. (OM48478U)
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/s equential multiport fuel injec-
tion system
4. EFI NO.2 10 A: Multiport fuel injection
system/s equential multiport fuel injec-
tion system
5. ETCS 10 A: Multiport fuel injection
system/s equential multiport fuel injec-
tion system
Engine compartment
(with daytime running light system)
6. RR HTR 15 A: Rear air conditioning
system
7. HEAD LP RH LWR 15 A: Right−hand
headlight (low beam)
8. HEAD LP LH LWR 15 A: Left−hand
headlight (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 14. HLP RH UPR 10 A:
Right−hand head-
light (high beam)
15. ECU·B 7.5 A: Theft deterrent system,
air conditioning system, gauges and
meters, multiplex communication sys-
tem, electronic moon roof
16. EFI NO.1 20 A: Multiport fuel injection
system/s equential multiport fuel injec-
tion system, fuel pump
17. DOOR LOCK 25 A: Power door lock
system, theft deterrent system
18. HLP LH UPR 10 A: Left−hand head-
light (high beam)
19. RAD NO.1 25 A: Car audio system
20. DOME 10 A: Personal lights, interior
lights, vanity lights, ignition switch light,
wireless remote control system, gauges
and meters, navigation system
21. HAZARD 15 A: Emergency flashers,
instrument panel light, trailer lights
22. SPARE 7.5 A: Spare fuse
23. SPARE 15 A: Spare fuse
24. SPARE 25 A: Spare fuse
25. IGN 10 A: Gauges and meters, SRS
airbag system, multiport fuel injection
system/s equential multiport fuel injec-
tion system

’04 HIGHLANDER_U (L/O 0308)
2004 HIGHLANDER from Aug. ’03 Prod. (OM48478U)
Publication No. OM48478U
Part No. 01999-48478
Printed in Japan 01−0308 −00
Quick index
 If a service reminder indicator or warning buzzer comes on 129 . . . . . . . .
 If your vehicle will not start 324 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. .
 If your engine stalls while driving 327 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 If your vehicle overheats 328 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . .
 If you have a flat tire 329 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . .
 If your vehicle needs to be towed 341 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 Tips for driving during break −in period 283 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
 How to start the engine 310 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . .
 General maintenance 359 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . .
Gas station information
Fuel type:
2AZ −FE engine: UNLEADED gasoline, Octane Rating 87
(Research Octane Number 91) or higher
3MZ −FE 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 283 for detailed information.
Fuel tank capacity:
72.5 L (19.1 gal., 16.0 lmp.gal.)
Engine oil:
API grade SL “Energy −Conserving” or ILSAC multigrade engine oil is
recommended.
See page 373 for detailed information.
Tire information: See pages 377 through 385.
Tire inflation pressure: See page 402.
U5
C

’04 HIGHLANDER_U (L/O 0308)
2004 HIGHLANDER from Aug. ’03 Prod. (OM48478U)
Where to obtain the
Repair Manual
The repair manual for HIGHLANDER, written in
English, may be purchased as applicable from any
Toy ota dea l er.
Pub. Name: 2004 HIGHLANDER Repair Manual
Pub. No.: RM1086U1 RM1086U2
Maintenance procedures for the engine,
chassis, body, electric al system, and more,
are clearly explained and illustrated.
Periodic maintenance and tuneup
Periodic maintenance and tuneup helps to prevent
small problems from growing into larger ones later on.
The repair manual outlines exactly what maintenance
is required and clearly explains how to do the work
yourself stepbystep.
Areas covered include such things as spark plug re-
placement, valve clearance adjustment and engine oil
and filter replacement.