2001 TOYOTA AVALON horn

I11583
(-)
1 (+)
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
DI-539
695 Author
: Date
:
2001 AVALON (RM808U)
3 Check theft deterrent horn.
CHECK:
Connect positive (+) lead to terminal 1 and negative (-) lead to
ground to theft deterrent horn connector.
OK:
Theft deterrent horn blows.
NG Replace theft deterrent horn.
OK
4 Check harness and connector between theft deterrent ECU and theft deterrent
horn (See page IN-30).
NG Check and repair harness or connector.
OK
Check and replace theft deterrent ECU.

DI01Q-10
THEFT DETERRENT SYSTEM Check Sheet
Inspector 's name:
Customer 's Name
Date of VehicleRegistration No.
Registration Year
Frame No.
Odometer Reading / /km
Mile
Weather Conditions
When Problem
Occurred Frequency Problem OccursWeather
Outdoor temperature
/ /

Constant
Sometimes ( Times per day, month)

Once only Brought in

Theft deterrent system cannot be set.

Indicator light does not flash when the theft deterrent system is set.
(It stays on or does not light at all.)

Theft deterrent system
does not operate.
When unlocked using the
door lock knob.

When the engine hood is
opened.

System cannot be
canceled once set.
When door is unlocked using key or wireless door lock control system.

When the key is inserted in the ignition key cylinder and turned to ACC or ON
position.
(However, only when the system has never operated)

When the luggage compartment door is opened with the key.

System cannot be
canceled during warning
operation.
When door is unlocked using key or wireless door lock control system.

When the key is inserted in the ignition key cylinder and turned to ACC or ON
position.

Warning operation starts when the system is set and the door or luggage compartment door is opened with
the key.

Others.
Date Problem First Occurred

Fine
Cloudy
Rainy
Snowy

Various/Others

Hot
Warm
Cool

Cold (Approx. 5F ( 5C))
Problem Symptom
Malfunction

Horns only

Theft deterrent horn only

Headlights only

Taillights only

Starter cut only

Door lock operation only
DI-518
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
674 Author
: Date
:
2001 AVALON (RM808U)
CUSTOMER PROBLEM ANALYSIS CHECK

DI6L0-01
I11668
Door Lock Assembly

Door Lock Motor

Door Unlock Detection
SwitchLuggage Compartment
Door Key Lock and
Unlock Switch

Luggage Compartment Door Lock Motor

Luggage CompartmentDoor Courtesy Switch
Theft Deterrent Horn
Enjine Room Junction Block

HORN Fuse

HORN Relay

Headlight Control Relay
Door Lock Assembly

Door Lock Motor

Door Unlock Detection
Switch
Theft Deterrent ECU
Ignition Switch

Key Unlock Warning Switch
Driver Side Junction Block

DOME Fuse

ECU-IG No.1 Fuse

ECU-IG No.2 Fuse

Taillight Control Relay

Body ECU
Engine Hood Courtesy Switch
Security Indicator
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
DI-529
685 Author
: Date
:
2001 AVALON (RM808U)
PARTS LOCATION

DI4DL-03
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
DI-519
675 Author
: Date
:
2001 AVALON (RM808U)
PRE-CHECK
1. THEFT DETERRENT SYSTEM
When the system is set to the theft deterrent mode and any of
the following conditions are met, the system sounds the horns
and flashes the headlights and the taillights for approx. 1 min-
ute.
At the same time the system locks all doors (If all door are not
locked at once, the system repeats door locking operation ev-
ery 6.38 seconds during the one minute alarm time).
There are 2 modes in this system, which are active mode and
passive mode.
All initial setting are performed in active mode. It can be
switched to passive mode by specified operation. (See step 4.
CHANGING METHOD OF PASSIVE MODE)
Condition:
Any of the doors (Including the engine hood and luggage
compartment door) is unlocked or opened without the
key. *1
The battery terminal is disconnected and reconnected.
The system receives panic signal from remote keyless
entry. *2
*1: Only active arming mode.
*2: When the ignition key is not inserted in the key cylinder.
There are 4 conditions in this system which are disarming
condition, disarming preparation condition, arming condition
and alarming condition.
(a) Disarming condition:
(1) When a user is near the vehicle.
(2) When the alarming function does not operate.
(3) When theft deterrent function is not performed.
(b) Disarming preparation condition:
(1) Time from a user locks a door to be leaves the ve-
hicle.
(2) Time until transferring to disarming condition.
(3) Theft deterrent function is not performed.
(c) Arming condition:
(1) When a user leaves the vehicle completely.
(2) When theft deterrent function is possible.

DI-520
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
676 Author
: Date
:
2001 AVALON (RM808U)
(d) Alarming condition:
Is this condition, once theft is detected, it is informed us-
ing light and sound to people around the vehicle.
Refer to the table for alarming method or time.
Horn
Al i th dSecurity hornAlarming methodHeadlight
Taillight
Alarming time60 seconds
Alarming outputContinuous 0.40 secs. (ON)
0.40 secs. (OFF)
In the arming condition when either of doors is unlocked and
with not key in the key cylinder, force lock signal is output.

DI01U-1 1
- DIAGNOSTICSTHEFT DETERRENT SYSTEM
DI-531
687 Author
: Date
:
2001 AVALON (RM808U)
PROBLEM SYMPTOMS TABLE
Proceed to the reference page shown in the matrix chart below for each malfunction symptom and trouble-
shoot for each circuit.
HINT:
Troubleshooting of the theft deterrent system is based on the premise that the door lock control system is
operating normally. Accordingly, before troubleshooting the theft deterrent system, first make certain that
the door lock control system is operating normally.
SymptomSuspect AreaSee page
The theft deterrent system cannot be set
1. Indicator light circuit
2. ECU power source circuit
3. Key unlock warning switch circuit
4. Luggage compartment door key lock and unlock switch
circuit
5. Engine hood courtesy switch circuitDI-532
DI-534
DI-542
DI-544
The indicator light does not blink when system is set.Indicator light circuitDI-532
When the system is set
(The system does not operate when the rear door is unlocked).Door unlock detection switch circuit
DI-686
DI-708
DI-643
When the system is set
(The system does not operate when the luggage compartment
door is opened by a method other than the key).
Luggage compartment door courtesy switch circuitDI-647
When the system is set
(The system does not operate when the engine hood is opened).Engine hood courtesy switch circuitDI-547
When the system is set
(It is not canceled when the ignition key is turned to ACC or ON
position (Except Europe Models)).
Ignition switch circuitDI-540
When the system is set
(It still operates when the luggage compartment door is opened
with the key (Except Europe Models)).Luggage compartment door key lock and unlock switch
circuitDI-544
While the system is in warning operation
(Horns do not sound).Horn relay circuitDI-672
While the system is in warning operation
(Headlights do not flash).Headlight control relay circuitDI-635
While the system is in warning operation
(Taillights do not flash).Taillight control relay circuitDI-633
While the system is in warning operation
(The door lock is not locked).Door unlock detection switch circuit
DI-686
DI-708
DI-643
System is still set even when a rear door is openDoor courtesy switch circuitDI-639
Even when the system is not set
(Horns sound).Horn relay circuitDI-672
Even when the system is not set
(Headlights stay on).Headlight control relay circuitDI-635
Even when the system is not set
(Taillights stay on).Taillight control relay circuitDI-633

MA002-16
MA-2
- MAINTENANCEINSIDE VEHICLE
44 Author
: Date
:
2001 AVALON (RM808U)
INSIDE VEHICLE
GENERAL MAINTENANCE
These are maintenance and inspection items which are considered to be the owner's responsibility.
They can be done by the owner or they can have them done at a service shop.
These items include those which should be checked on a daily basis, those which, in most cases, do not
require (special) tools and those which are considered to be reasonable for the owner to do.
Items and procedures for general maintenance are as follows.
1. GENERAL NOTES

Maintenance items may vary from country to country. Check the owner's manual supplement in which
the maintenance schedule is shown.

Every service item in the periodic maintenance schedule must be performed.

Periodic maintenance service must be performed according to whichever interval in the periodic main-
tenance schedule occurs first, the odometer reading (miles) or the time interval (months).

Maintenance service after the last period should be performed at the same interval as before unless
otherwise noted.

Failure to do even one item an cause the engine to run poorly and increase exhaust emissions.
2. LIGHTS
(a) Check that the headlights, stop lights, taillights, turn signal lights, and other lights are all working.
(b) Check the headlight aim.
3. WARNING LIGHTS AND BUZZERS
Check that all warning lights and buzzers function properly.
4. HORN
Check that it is working.
5. WINDSHIELD GLASS
Check for scratches, pits or abrasions.
6. WINDSHIELD WIPER AND WASHER
(a) Check operation of the wipers and washer.
(b) Check that the wipers do not streak.
7. WINDSHIELD DEFROSTER
Check that air comes out from the defroster outlet when operating the heater or air conditioner at defroster
mode.
8. REAR VIEW MIRROR
Check that it is mounted securely.
9. SUN VISORS
Check that they move freely and are mounted securely.
10. STEERING WHEEL
Check that it has the specified free-play. Be alert for changes in steering condition, such as hard steering,
excessive free-play or strange noises.
11. SEATS
(a) Check that the seat adjusters operate smoothly.
(b) Check that all latches lock securely in any position.
(c) Check that the head restraints move up and down smoothly and that the locks hold securely in any
latch position.
(d) For fold-down seat backs, check that the latches lock securely.
12. SEAT BELTS
(a) Check that the seat belt system such as the buckles, retractors and anchors operate properly and
smoothly.
(b) Check that the belt webbing is not cut, frayed, worn or damaged.

MA002-16
MA-2
- MAINTENANCEINSIDE VEHICLE
44 Author
: Date
:
2001 AVALON (RM808U)
INSIDE VEHICLE
GENERAL MAINTENANCE
These are maintenance and inspection items which are considered to be the owner's responsibility.
They can be done by the owner or they can have them done at a service shop.
These items include those which should be checked on a daily basis, those which, in most cases, do not
require (special) tools and those which are considered to be reasonable for the owner to do.
Items and procedures for general maintenance are as follows.
1. GENERAL NOTES

Maintenance items may vary from country to country. Check the owner's manual supplement in which
the maintenance schedule is shown.

Every service item in the periodic maintenance schedule must be performed.

Periodic maintenance service must be performed according to whichever interval in the periodic main-
tenance schedule occurs first, the odometer reading (miles) or the time interval (months).

Maintenance service after the last period should be performed at the same interval as before unless
otherwise noted.

Failure to do even one item an cause the engine to run poorly and increase exhaust emissions.
2. LIGHTS
(a) Check that the headlights, stop lights, taillights, turn signal lights, and other lights are all working.
(b) Check the headlight aim.
3. WARNING LIGHTS AND BUZZERS
Check that all warning lights and buzzers function properly.
4. HORN
Check that it is working.
5. WINDSHIELD GLASS
Check for scratches, pits or abrasions.
6. WINDSHIELD WIPER AND WASHER
(a) Check operation of the wipers and washer.
(b) Check that the wipers do not streak.
7. WINDSHIELD DEFROSTER
Check that air comes out from the defroster outlet when operating the heater or air conditioner at defroster
mode.
8. REAR VIEW MIRROR
Check that it is mounted securely.
9. SUN VISORS
Check that they move freely and are mounted securely.
10. STEERING WHEEL
Check that it has the specified free-play. Be alert for changes in steering condition, such as hard steering,
excessive free-play or strange noises.
11. SEATS
(a) Check that the seat adjusters operate smoothly.
(b) Check that all latches lock securely in any position.
(c) Check that the head restraints move up and down smoothly and that the locks hold securely in any
latch position.
(d) For fold-down seat backs, check that the latches lock securely.
12. SEAT BELTS
(a) Check that the seat belt system such as the buckles, retractors and anchors operate properly and
smoothly.
(b) Check that the belt webbing is not cut, frayed, worn or damaged.