Lexus RX300 (MCU15). Manual — part 303
DI612–03
THEFT DETERRENT SYSTEM Check Sheet
Inspector’s name:
Customer’s Name
Date Vehicle
Registration No.
Registration Year
Frame No.
Odometer Reading
/ /
km
Mile
Weather Conditions
When Problem
Occurred
Frequency Problem Occurs
Weather
Outdoor temperature
/ /
j
Constant j Sometimes ( Times per day, month)
j
Once only
Brought in
j
Theft deterrent system cannot be set.
j
Indicator light does not flash when the theft deterrent system is set.
(It stays ON or does not light at all.)
j
Theft deterrent system
does not operate.
j
When unlocked using the
door lock knob.
j
When the engine hood is
opened.
j
System cannot be
canceled once set.
j
When door is unlocked using key or wireless door lock control system.
j
System cannot be
canceled during warning
operation.
j
When door is unlocked using key or wireless door lock control system.
j
Others.
Date Problem First Occurred
j
Fine j Cloudy j Rainy j Snowy
j
Various/Others
j
Hot j Warm j Cool
j
Cold (Approx. °F ( °C))
Problem Symptom
Malfunction
j
Horns only
j
Self power siren only
j
Hazard warning light only
j
Room light only
j
Door lock operation only
DI–444
–
DIAGNOSTICS
THEFT DETERRENT SYSTEM
LEXUS RX300 (RM785E)
CUSTOMER PROBLEM ANALYSIS CHECK
DI613–02
–
DIAGNOSTICS
THEFT DETERRENT SYSTEM
DI–445
LEXUS RX300 (RM785E)
PRE–CHECK
1.
OUT LINE OF THEFT DETERRENT SYSTEM
When the theft deterrent system detects any theft, it informs
people around with flashing lights and sound.
The performance of the theft deterrent system has been im-
proved by adding the lights (HAZARDS) to the existing system.
2.
PARTIAL CHANGE OF SYSTEM SETTING METHOD
There are 4 conditions in this system which are disarmed state,
arming preparation, armed state and alarm sounding.
(1)
Disarmed state
S
When the alarming function does not oper-
ate.
S
When theft deterrent function is not per-
formed.
(2)
Arming preparation
S
Time until transferring to armed state.
S
Theft deterrent function is not performed.
(3)
Armed state
When theft deterrent function is possible.
(4)
Alarm sounding:
In this condition, once theft is detected, it is in-
formed using light and sound to people around the
vehicle.
Refer to the table for alarming method or time.
Horn
Alarming method
Self power siren
g
Room light
Alarming time
27.5 seconds
Alarming output
(Except room light flashing)
Continuous 0.25 secs.: (ON)
0.25 secs.: (OFF)
HINT:
Alarming output for hazard is same as the one for the hazard
on the vehicle.
In the arming condition when either of doors is unlocked with
key not in the key cylinder, force lock signal is output.
Disarmed state
Perform any of the following and the system will go no to ”Arming preparation”:
D With all doors and engine hood closed, lock all doors with the wireless remote.
Arming preparation
Perform the following and the system will
go on to ”Armed state”:
D Let 30 seconds elapse with all the doors
and engine hood closed and locked.
Perform any of the following and the system
will return to ”Disarmed state”:
D Open any of the doors or engine hood.
D Unlock any of the doors.
D Put the key in the ignition.
D Reconnect the battery.
(Key not inserted in ignition.)
Alarm sounding
Perform any of the following and the system will
return to ”Disarmed state”:
D Unlock any of the doors open signal input with
the wireless remote.
The security horn sounds and hazard lights
flash for 27.5 seconds.
Armed state
Perform any of the following and
the system will return to
”Disarmed state”:
D Unlock the doors with the wireless
remote.
Perform any of the following and the system will go on
to ”Alarm sounding”:
D Open any of the doors.
D Unlock any of the doors with anything other than the
wireless remote.
D Open the back door with anything other than the wireless
remote.
D Open the engine hood.
D Reconnect the battery.
D Turn the ignition from OFF to ON.
D When the radar sensor detects any movement inside
the vehicle.
D Battery terminal short.
DI–446
–
DIAGNOSTICS
THEFT DETERRENT SYSTEM
LEXUS RX300 (RM785E)
3.
ACTIVE ARMING MODE
Alarm sounding
Perform any of the following and the system will
return to ”Disarmed state”:
D Unlock any of the doors open signal input with
the wireless remote.
The security horn sounds and hazard lights
flash for 27.5 seconds.
Armed state
Perform any of the following and
the system will return to
”Disarmed state”:
D Unlock the doors with the wireless
remote.
Perform any of the following and the system will go on
to ”Alarm sounding”:
D Open any of the doors.
D Unlock any of the doors with anything other than the
wireless remote.
D Open the back door with anything other than the wireless
remote.
D Open the engine hood.
D Reconnect the battery.
D Turn the ignition from OFF to ON.
D When the radar sensor detects any movement inside
the vehicle.
D Battery terminal short.
–
DIAGNOSTICS
THEFT DETERRENT SYSTEM
DI–447
LEXUS RX300 (RM785E)
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