1999 TOYOTA CAMRY open hood

BO0MC±01
N20987
N21123
± BODYINSTRUMENT PANEL
BO±75
2423 Author: Date:
REMOVAL
1. REMOVE THESE PARTS:
HINT:
Tape a screwdriver tip before use.
(a) Front door inside scuff plates
(b) Cowl side trims
(c) Front pillar garnishes
(d) Front door opening covers
(e) Lower finish plate
2. REMOVE STEERING WHEEL
(See page SR±11)
3. REMOVE STEERING COLUMN COVERS
(a) Remove the steering tilt handle.
(b) Remove the 3 screws, then the upper and lower column
covers.
4. REMOVE COMBINATION SWITCH
5. REMOVE No.1 LOWER PANEL
(a) Remove the 2 screws and hood lock release lever.
(b) Press on the sides of the coin box while pulling the coin
box outward, and remove the coin box.
(c) Remove the screw, bolt and the No.1 lower panel.
6. REMOVE LOWER PANEL INSERT
(a) Remove the 2 screws holding the DLC3 to the LH lower
panel.
(b) Remove the 4 bolts, and the panel.
7. REMOVE No.2 LOWER COVER

DI06N±05
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
± DIAGNOSTICSTHEFT DETERRENT SYSTEM
DI±827
1062 Author: Date:
CUSTOMER PROBLEM ANALYSIS CHECK

DI1KU±02
DI±828
± DIAGNOSTICSTHEFT DETERRENT SYSTEM
1063 Author: Date:
PRE±CHECK
1. Active arming mode:
SETTING THE THEFT DETERRENT MODE
The system will be automatically set to the theft deterrent mode
about 30 seconds after the setting processes listed below are
performed.
Setting Processes: (do processes (1)
(4) in the order)
(1) Remove the ignition key from the key cylinder.
(2) Close all entry points (door, hood and luggage
compartment door).
(3) Use any one of the following methods to lock all the
doors depending on a given condition.
Use the key to lock the driver or passenger
side door. (as a result, all the doors(including
the engine hood and luggage compartment
door) will be closed and locked), or
Use the remote control to lock any door (as a
result, all the doors(including the engine
hood and luggage compartment door) will be
closed and locked), or
If the front right or left door is unlocked when
both the rear doors are already locked, lock
and close the remaining unlocked door by
hand (as a result, all the doors(including the
engine hood and luggage compartment door)
will be closed and locked).
Close all doors and lock with the engine hood
or luggage compartment door opened, and
close the engine hood or all the doors(includ-
ing the engine hood and luggage compart-
ment door).
(4) About 30 seconds after the above process (3), the
theft deterrent mode will automatically start.
HINT:
The closing/locking of all the entry points (doors, hood and lug-
gage) must remain unchanged for about 30 seconds, the sys-
tem will start the theft deterrent mode.
2. Passive arming mode:
SETTING THE THEFT DETERRENT MODE
The system will be automatically set to the theft deterrent mode
about 30 seconds after the setting processes listed below are
performed.
Setting Processes:
(1) Remove the ignition key from the key cylinder.
(2) Open and close any entry points (door, hood and
luggage compartment door).
Now, all the entry points are closed.

I00228
0.25 ± 0.05 sec.
0.25 ± 0.05 sec.
ON
OFF
Horns Sounding and Lights Flashing
Pattern
0.2 ± 0.05 sec.
0.55 ± 0.05 sec. ON
OFF
Output of Key Lock Pattern
± DIAGNOSTICSTHEFT DETERRENT SYSTEM
DI±829
1064 Author: Date:
(3) About 30 seconds after the process±(2), on the pre-
vious page the Theft Deterrent mode will automati-
cally start.
HINT:
If, while following above steps, you use the key or the remote
control to lock the door, the system will be set to ACTIVE ARM-
ING MODE.
3. THEFT DETERRENT OPERATION
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 about 1 minute.
At the same time locks all doors (If all doors are not locked at
once, the system repeats door locking operation every 0.55 se-
conds during the one±minute alarm time).
Condition
(1) Any of the doors (Including the engine hood and
luggage compartment door) is unlocked or opened
without the key. *1
(2) The battery terminal is disconnected and recon-
nected. *2
(3) The system receives panic signal from remote key-
less entry. *3
*1: Only active arming mode.
*2: When the ignition key is not inserted in the key
cylinder.

Remove the ignition key from key cylinder.
All the doors, engine hood and luggage
compartment door are closed and unlocked.
Any of doors is locked and unlocked by turns
3 times by the key or remote control.
Driver 's side knob for doorlock is locked and
unlocked 3 times.
Driver's side doors is opened.
The system starts force lock at once after 2
sec.
Driver's side knob for door lock is unlocked.
Driver's side door is closed and opened 2
times
Driver's side knob for door lock is locked and
unlocked.
The system starts force lock at once after 2
sec.
PASSIVE MODE OFF
Driver's side door is closed and opened 4
times
Driver's side knob for door lock is locked and
unlocked.
The system starts force lock at once after 2
sec.
PASSIVE MODE ON
Within
30 sec.
Within
20 sec.
HINT:

Initial mode is PASSIVE MODE OFF.

If there is a different signal in the middle of changing, it is invalied.
Input to the vehicle
Output from the vehicle
± DIAGNOSTICSTHEFT DETERRENT SYSTEM
DI±831
1066 Author: Date:
7. CHANGING METHOD OF PASSIVE MODE
(ON or OFF)

DI1KV±03
I01920
T4
T3
± DIAGNOSTICSTHEFT DETERRENT SYSTEM
DI±835
1070 Author: Date:
TERMINALS OF ECU
Symbols (Terminals No.)Wiring ColorConditionSTD Value
CTY e ERWWB
Door courtesy switch ºONº
(Rear door opened)Below 1 WCTY e E
(T4±1 e T3±7)R±W e W±BDoor courtesy switch ºOFFº
(Rear door closed)1 MW or higher
DSWL e ERYWB
Luggage compartment door courtesy switch ºONº
(Luggage compartment door opened)Below 1 WDSWL e E
(T4±2 e T3±7)R±Y e W±BLuggage compartment door courtesy switch ºOFFº
(Luggage compartment door closed)1 MW or higher
DSWH e EBWB
Engine hood courtesy switch ºONº
(Engine hood opened)Below 1 WDSWH e E
(T4±3 e T3±7)B e W±BEngine hood courtesy switch ºOFFº
(Engine hood closed)1 MW or higher
DSWD e ERGWB
Door courtesy switch ºONº
(Driver's door opened)Below 1 WDSWD e E
(T4±4 e T3±7)R±G e W±BDoor courtesy switch ºOFFº
(Driver's door Closed)1 MW or higher
DSWP e ERGWB
Door courtesy switch ºONº
(Passenger's door opened)Below 1 WDSWP e E
(T4±5 e T3±7)R±G e W±BDoor courtesy switch ºOFFº
(Passenger's door closed)1 MW or higher
KSW e ELBWB
Key unlock warning switch ºONº
(Key inserted)Below 1 WKSW e E
(T4±6 e T3±7)L±B e W±BKey unlock warning switch ºOFFº
(Key removed)1 MW or higher
LUG e E GWWBLuggage compartment door key lock and unlock switch ºONºBelow 1 WLUG e E
(T4±7 e T3±7)G±W eW±BLuggage compartment door key lock and unlock switch ºOFFº1 MW or higher
L2 e E LWWB
Door key lock and unlock switch ºLOCKº
(Driver's and passenger's doors)Below 1 WL2 e E
(T4±8 e T3±7)L±W e W±BDoor key lock and unlock switch ºUNLOCKº
(Driver's and passenger's doors)1 MW or higher
UL3 e E RGWB
Door key lock and unlock switch ºUNLOCKº
(Driver's door)Below 1 WUL3 e E
(T4±9 e T3±7)R±G e W±BDoor key lock and unlock switch ºLOCKº
(Driver's door)1 MW or higher
UL2 e E LWB
Door key lock and unlock switch ºUNLOCKº
(passenger's door)Below 1 WUL2 e E
(T4±10 e T3±7)L e W±BDoor key lock and unlock switch ºLOCKº
(passenger's door)1 MW or higher

DI06R±06
Details of Problem
The theft deterrent system cannot be set
Inspecting Circuit*1See page
DI±838 1. Indicator light circuit
2. ECU power source circuit
3. Key unlock warning switch circuit
7. Door courtesy switch circuit
8. Door unlock detection switch circuit
9. Engine hood courtesy switch circuit
The indicator light does not blink when system is setIndicator light circuit
When the
system is
set
When the rear doors are unlocked
When the luggage compartment door is opened
by a method other than the key4. Luggage compartment door key
lock and unlock switch circuit
5. Luggage compartment door
courtesy switch circuit
When the engine hood is opened
The system
does not
operateDoor unlock detection switch circuit
Luggage compartment door
courtesy switch circuit
Engine hood courtesy switch circuit
While the system is
in warning operation
Horns do not sound
Theft deterrent horn does not sound
Headlights do not flash
Taillights do not flash
The door lock is not locked in unlock conditionHorn relay circuit
Theft deterrent horn circuit
Headlight control relay circuit
Taillight control relay circuit
Door unlock detection switch circuit
6. Door key lock and unlock switch
circuit
It is not canceled when the ignition key is turned to
ACC or ON position
It still operates when the luggage compartment door is
opened with the key When the
system is
set
Ignition switch circuit
Luggage compartment door key
lock and unlock switch circuit
System is still set even when a rear door is open
Door courtesy switch circuit
Even when the
system is not
setHorns sound
Theft deterrent horn sounds
Headlights stay on
Taillights stay onHorn relay circuit
Theft deterrent horn circuit
Headlight control relay circuit
Taillight control relay circuit
DI±840
DI±853
DI±855
DI±858
DI±855
DI±864
DI±862
DI±866
DI±838
DI±862
DI±858
DI±866
DI±845
DI±843
DI±847
DI±849
DI±862
DI±851
DI±855
DI±864
DI±845
DI±843
DI±847
DI±849
*1: If numbers are given to the circuit proceed with troubleshooting in the order indicated by those numbers.
± DIAGNOSTICSTHEFT DETERRENT SYSTEM
DI±837
1072 Author: Date:
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.

I00257
Theft Deterrent ECU
DSWH
T33
B IG31
B 3
B 1 Engine Hood Courtesy
Switch
2
W±B
EBIK1 DI±866
± DIAGNOSTICSTHEFT DETERRENT SYSTEM
1101 Author: Date:
Engine Hood Courtesy Switch Circuit
CIRCUIT DESCRIPTION
The engine hood courtesy switch is built into the engine hood lock assembly and goes ON when the engine
hood is opened and goes OFF when the engine hood is closed.
WIRING DIAGRAM
DI076±06