horn TOYOTA SEQUOIA 2001 Service Owner's Guide

BE0FY±32
I28423
Horn
Horn Switch
Engine Room J/B

HORN Relay

HORN Fuse
BE±144
± BODY ELECTRICALHORN SYSTEM
3548 Author: Date:
2005 SEQUOIA (RM1146U)
HORN SYSTEM
LOCATION

BE0FZ±25
I24377
I24378
I04197
± BODY ELECTRICALHORN SYSTEM
BE±145
3549 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION
1. INSPECT HORN SWITCH
(a) Disconnect the negative (±) terminal from the battery.
(b) Remove the left and right covers from the steering wheel.
(c) Using a torx socket wrench, loosen the 2 bolts.
(d) Pull up the horn pad and place it on the steering column,
as shown.
HINT:
Do not disconnect the connector from the horn pad.
(e) Disconnect the connector from the slip ring.
(f) Check that no continuity exists between terminal 6 of the
connector and body ground.
(g) Check that continuity exists between terminal 6 of the
connector and body ground when the horn contact plate
is pressed against the steering spoke assembly.
If continuity is not as specified, repair or replace the steering
wheel or wire harness as necessary.
(h) Install the horn pad in place and using a torx socket
wrench, torque the 2 bolts.
Torque:
7.1 N´m (72 kgf´cm, 62 in.´lbf)
(i) Install the left and right covers.
(j) Connect the negative (±) terminal to the battery.
2. INSPECT HORN OPERATION
Connect the positive (+) lead from the battery to the terminal
and negative (±) lead to the horn body and check that the horn
blows.
If operation is not as specified, replace the horn.
3. INSPECT HORN SWITCH CIRCUIT
(See page DI±1764)

I01200
2 1
35
2 5
1 3
BE±146
± BODY ELECTRICALHORN SYSTEM
3550 Author: Date:
2005 SEQUOIA (RM1146U)
4. INSPECT HORN RELAY CONTINUITY
ConditionTester connectionSpecified condition
Always1 ± 2Continuity
Always3 ± 5No continuity
Apply B+ between
terminals 1 and 2.3 ± 5Continuity
If continuity is not as specified, replace the relay.
5. INSPECT HORN RELAY CIRCUIT
(See page DI±1764)

AC1L6±06
I21368
Discharge Hose Condenser
Liquid Tube
O±Ring
Condenser Fan
N´m (kgf´cm, in´lbf)
: Specified torque

Non±reusable part

O±Ring
Bracket
Wire Harness
Bracket Receiver
Liquid Tube

O±Ring
Liquid
Tube
O±Ring

O±Ring
Condenser
HornHood Lock
Horn
A/T
Oil Cooler
5.4 (55, 48)

O±Ring5.4 (55, 48)
5.4 (55, 48)
5.4 (55, 48)
5.4 (55, 48)
AC±66
± AIR CONDITIONINGCONDENSER
3793 Author: Date:
2005 SEQUOIA (RM1146U)
COMPONENTS

AC3HJ±02
I21365
I21366
± AIR CONDITIONINGCONDENSER
AC±67
3794 Author: Date:
2005 SEQUOIA (RM1146U)
REMOVAL
1. DISCHARGE REFRIGERANT FROM REFRIGERATION
SYSTEM
HINT:
At the time of installation, refer to the following:

Evacuate air from the refrigeration system.

Charge the system with refrigerant and inspect for leak-
age of refrigerant.
Specified amount:
Single A/C: 750 ± 50 g (26.45 ± 1.76 oz.)
Dual A/C: 1050 ± 50 g (37.03 ± 1.76 oz.)
2. REMOVE CONDENSER FAN (See page AC±98)
3. REMOVE A/T OIL COOLER
4. REMOVE HORN
5. REMOVE HOOD LOCK
6. REMOVE CENTER BRACE
7. REMOVE RECEIVER AND HOLDER
(See page AC±63)
8. DISCONNECT LIQUID TUBE AND DISCHARGE HOSE
Remove the 2 bolts and disconnect both tube and hose.
Torque: 5.4 N´m (5.5 kgf´cm, 48 in´lbf)
NOTICE:
Cap the openings immediately to keep moisture or dirt out
of the system.
HINT:
At the time of installation, refer to the following:
Lubricate 2 new O±rings with compressor oil and install them
to the tubes.

05_SEQUOIA_U (L/O 0408)
22
2005 SEQUOIA from Aug. '04 Prod. (OM34424U)
To open the back window, push the
back window open switch of the trans-
mitter for about 1 second. The window
will fully open.
At this time, you can hear a beep.
If the ignition switch is in the ªONº posi-
tion, the back window cannot be opened
by the back window open switch.
To open the back window with the master
key, see ªPower back windowº on page 31
in this Section.
The back window opening program by
wireless remote control can be changed or
disabled. For details, contact your Toyota
dealer.Pushing the ªPANICº switch blows the
horn intermittently and flashes the
headlights and tail lights.
The ªPANICº switch is used to deter ve-
hicle theft when you witness anyone at-
tempting to break into or damage your
vehicle.
The alarm will last for one minute. To stop
alarm midway, push the ªPANICº or
ªUNLOCKº switch, or unlock any side door
or back door with key. You can also stop
the alarm by turning the ignition key from
ªLOCKº to the ªONº position.The ªPANICº mode does not work when
the ignition key is in the ªONº position.
This alarm function can be disabled. For
details, contact your Toyota dealer.
ÐOpening back window ÐActivating panic mode

05_SEQUOIA_U (L/O 0408)
36
2005 SEQUOIA from Aug. '04 Prod. (OM34424U)
To open the hood:
1. Pull the hood lock release lever. The
hood will spring up slightly.
CAUTION
Before driving, be sure that the hood
is closed and securely locked. Other-
wise, the hood may open unexpected-
ly while driving and an accident may
occur.
2. In front of the vehicle, pull up the
auxiliary catch lever and lift the
hood.
Before closing the hood, check to see that
you have not forgotten any tools, rags,
etc. Then lower the hood make sure it
locks into place. If necessary, press down
gently on the front edge to lock it.To deter vehicle theft, the system is
designed to sound an alarm if any of
the side doors, back door or hood is
forcibly unlocked or opened or the bat-
tery terminal is disconnected and then
reconnected when the vehicle is locked.
On some models, the alarm also
sounds, when someone attempts to
break the side windows.
The alarm blows the horn intermittently
and flashes the headlights and tail lights.
HoodTheft deterrent system

05_SEQUOIA_U (L/O 0408)
460
2005 SEQUOIA from Aug. '04 Prod. (OM34424U)
Instrument panel
18. ETCS 10 A: Multiport fuel injection
system/sequential multiport fuel injec-
tion system, electronic throttle control
system
19. EFI NO.1 20 A: Multiport fuel injection
system/sequential multiport fuel injec-
tion system, on±board diagnosis sys-
tem
20. H±LP 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. ALT±S 7.5 A: Charging system23. DRL 15 A (with daytime running light
system): Daytime running light system
H±LP 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, ªIGN 1º and
ªIGN 2º fuses
25. TURN±HAZ 20 A: Turn signal lights,
emergency flashers
26. RAD NO.3 30 A: Audio/video system
27. ST 30 A: Starting system, ªSTAº fuse
28. HORN 10 A: Horns
29. EFI NO.2 10 A: Multiport fuel injection
system/sequential 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 meters31. ECU±B 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. ECU±IG 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