2005 TOYOTA SEQUOIA ECU

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2005 SEQUOIA from Sep. ’04 Prod. (OM34431U)
Power steering fluid level
Check the level through the reservoir. The
level should be in the “HOT” or “COLD”
range depending on the fluid temperature.
See page 430 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 cautions” on
page 341 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-
straint move up and down smoothly and
that the locks hold securely in any latched
position. For folding
−down rear seatbacks,
swing −up rear seat cushions and detach-
able temporary third seat, 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 “Park” mecha-
nism
On a safe incline, check that your vehicle
is held securely with the selector lever in
“P” position and all brakes released.
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 doors including 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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2005 SEQUOIA from Sep. ’04 Prod. (OM34431U)
2. Release the bulb retaining springand remove the bulb. Install a new
bulb and the bulb retaining spring.
To install a bulb, align the tabs of the
bulb with the cutouts of the mounting
hole.3. Install the rubber cover and fit it securely on the boss. Then, plug in
the connector.
Make sure the rubber cover fits securely
on the bulb base and the mounting body.
Aiming is not necessary after replacing
the bulb. When aiming adjustment is nec-
essary, contact your Toyota dealer. If either the left or right front fog lights
burns out, contact your Toyota dealer.
NOTICE
Do not try to replace the front fog
light bulbs by yourself. You may dam-
age the vehicle.
—Front fog lights

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2005 SEQUOIA from Sep. ’04 Prod. (OM34431U)
Engine compartment
Fuses (type A)1. AIR SUS No.2 10 A: Rear height con-
trol air suspension system
2. RSE 7.5 A: Rear seat audio system,
rear seat entertainment system
3. A/F 20 A: A/F sensor
4. SECURITY 15 A: Multiplex communica-
tion system
5. DEF I/UP 7.5 A: Rear window defog-
ger, outside rear view mirror defoggers,
multiport fuel injection system/sequen-
tial multiport fuel injection system
Engine compartment
6. HLP LL 10 A (with daytime running light system): Left−hand headlight (low
beam)
7. HLP RL 10 A (with daytime running light system): Right−hand headlight
(low beam)
8. STA 7.5 A: Multiport fuel injection sys-
tem/sequential multiport fuel injection
system, electronic throttle control sys-
tem
9. HLP LH 10 A (with daytime running light system): Left−hand headlight
(high beam)
Engine compartment
10. HLP RH 10 A (with daytime running light system): Right−hand headlight
(high beam)
11. TOWING TAIL 30 A: Trailer lights (tail
lights)
12. BATT CHARGE 30 A: Trailer sub bat-
tery
13. TOWING BRK 30 A: Trailer brake con-
troller
14. CDS FAN 25 A: Electric cooling fan
15. SPARE 15 A: Spare fuse
16. SPARE 20 A: Spare fuse
17. SPARE 30 A: Spare fuse
Fuses

05_SEQUOIA_U (L/O 0409)
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2005 SEQUOIA from Sep. ’04 Prod. (OM34431U)
Instrument panel
18. ETCS 10 A: Multiport fuel injection
system/s equential multiport fuel injec-
tion system, electronic throttle control
system
19. EFI NO.1 20 A: Multiport fuel injection
system/s equential multiport fuel injec-
tion system, on −board diagnosis sys-
tem
20. HLP RH 15 A (without daytime run- ning light system): Right−hand head-
light
21. TOWING 30 A: Trailer lights (stop
lights, turn signal lights, tail lights)
22. ALTS 7.5 A: Charging system 23. DRL 15 A (with daytime running light
system): Daytime running light system
HLP LH 15 A (without daytime run-
ning light system): Left−hand head-
light
24. AM2 25 A: Starting system, multiport
fuel injection system/sequential multi-
port fuel injection system, electronic
throttle control system, “IGN 1” and
“IGN 2” fuses
25. TURNHAZ 20 A: Turn signal lights,
emergency flashers
26. RAD NO.3 30 A: Audio/video system
27. ST 30 A: Starting system, “STA” fuse
28. HORN 10 A: Horns
29. EFI NO.2 10 A: Multiport fuel injection
system/se quential multiport fuel injec-
tion system
30. DOME 10 A: Center interior and per-
sonal lights, personal lights, luggage
compartment light, air conditioning sys-
tem, wireless remote control system,
garage door opener, ignition switch
light, door courtesy lights, foot light,
vanity lights, gauges and meters 31. ECUB 7.5 A:
Multiplex communication
system (power door lock system, secu-
rity system, auto −door locking system,
automatic light control system, head-
light delay off system, tail light auto
cut system, illuminated entry system,
daytime running light system), back
door lock system, driver and front pas-
senger door lock system, gauges and
meters
32. MIR HTR 15 A: Outside rear view mir-
ror heaters
33. RAD NO.1 20 A: Audio system, rear
seat entertainment system
34. TAIL 15 A: Tail lights, back door cour-
tesy light, license plate lights
35. ECUIG 10 A: Charging system, anti −
lock brake system, vehicle stability
control system, traction control system
(two −wheel drive models), active trac-
tion control system (four −wheel drive
models), electric moon roof, back door
lock system, driver and front passenger
door lock system, gauges and meters,
multi −information display, auto anti−
glare inside rear view mirror, power
outlets, multiplex communication sys-
tem
36. WSH 25 A: Wipers and washer
37. AC INV 15 A: Power outlets

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2005 SEQUOIA from Sep. ’04 Prod. (OM34431U)
38. IGN 2 20 A: Starting system
39. PWR NO.3 20 A: Rear passenger ’s
power window (right side)
40. PWR NO.4 20 A: Rear passenger ’s
power window (left side)
41. CIG 15 A: Air conditioning systems,
power rear view mirror control, ciga-
rette lighter
42. RAD NO.2 7.5 A: Audio/video system,
power outlets, multiplex communication
system (power door lock system, secu-
rity system, auto −door locking system,
automatic light control system, head-
light delay off system, tail light auto
cut system, illuminated entry system,
daytime running light system)
43. 4WD 20 A: A.D.D. control system,
four −wheel drive system
44. STOP 15 A: Stoplights, high−mounted
stoplights, multiport fuel injection sys-
tem/sequential multiport fuel injection
system, vehicle stability control system,
traction control system (two −wheel
drive models), active traction control
system (four −wheel drive models), mul-
tiplex communication system
45. OBD 7.5 A: On−board diagnosis sys-
tem 46. PANEL 7.5 A:
Instrument panel lights,
glove box light, seat heaters, cigarette
lighter, ashtrays, multi −information dis-
play, audio/video system, gauge and
meters, air conditioning systems
47. PWR NO.1 25 A: Driver ’s door lock
system
48. WIP 25 A: Wiper and washers
49. IGN 1 10 A: Charging system
50. SUN ROOF 25 A: Electric moon roof
51. PWR NO.2 25 A: Front passengers’
door lock system
52. HTR 10 A: Air conditioning systems,
electric cooling fan, back window de-
fogger, outside rear view mirror heater
53. FOG 15 A: Front fog lights
54. GAUGE 15 A: Back−up lights, seat
heaters, gauge and meters, air condi-
tioning systems
55. PWR OUTLET 15 A: Power outlets
56. SEAT HTR 15 A: Seat heaters Fuses (type B)
57. MAIN 40 A: Starting system, “H −LP
RH”, “H− LP LH” and “STA” fuses
58. DOOR NO.2 30 A: Multiplex commu-
nication system (power door lock sys-
tem, security system, auto −door locking
system)
59. PWR SEAT 30 A: Power seats
60. AM1 40 A: “HTR”, “CIG”, “GAUGE”,
“RAD NO.2”, “ECU −IG”, “WIP”, “WSH”
and “4WD” fuses
6

1. PWR NO.5 30 A: Power door lock sys-
tem, back door lock system
Fuses (type C)
62. RR HEATER 30 A: Rear air condition-
ing system
63. DEFOG 40 A: Back window defogger
64. HEATER 50 A: Front air conditioning
system
65. AIR SUS 50 A: Rear height control air
suspension system
66. TOWING R/B 60 A: Trailer brake con-
troller, trailer lights (tail lights), trailer
sub battery

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2005 SEQUOIA from Sep. ’04 Prod. (OM34431U)
67. ALT 140 A: “AM1”, “PWR SEAT”,
“TAIL”, “STOP”, “SUN ROOF”, “PANEL”,
“OBD”, “FOG”, “PWR NO.1”, “PWR
NO.2”, “PWR NO.5”, “PWR NO.3”,
“PWR NO.4”, “AC INV”, “PWR OUT-
LET” and “SEAT HTR” fuses
68. ABS 60 A: Anti−lock brake system,
vehicle stability control system, traction
control system (two −wheel drive mod-
els), active traction control system
(four −wheel drive models)
69. A/PUMP 50 A: Air injection system
70. R/B 30 A: “A/F” and “SECURITY”
fuses