Operation CHARM: Car repair manuals for everyone.

Setting/Changing/Cancelling Arming Modes

PRE-CHECK

1. OUTLINE OF THEFT DETERRENT SYSTEM
When the theft deterrent system detects any theft, it informs people around with flashing lights and sound.
All initial setting are performed in active mode.It can be switched to passive mode by specified operation. (See step 3.CHANGING METHOD OF PASSIVE MODE)

HINT: There are 4 conditions in this system which are disarmed state, arming preparation, armed state and alarm sounding.

1. Disarmed state
- When the alarming function does not operate.
- When theft deterrent function is not performed.
2. Arming preparation
- Time until transferring to armed state.
- 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 informed using light and sound to people around the vehicle.




Refer to the table for alarming method or time.

HINT: Alarming output for hazard is same as the one for the hazard on the vehicle.
When alarming, the interior light is lit.
In the arming condition when either of doors is unlocked with key not in the key cylinder, force lock signal is output.




2. ACTIVE ARMING MODE






HINT: Even in disarmed state, the indicator light flash. (Due to the signal output form immobilizer system). The indicator always flashes receiving the signal from the immobilizer system at any time in the armed state.

Flashing frequency:
0.2 seconds (ON)
1.8 seconds (OFF)

Answer back:
The hazard lights flush as answer back under the following conditions.
1. When the system is set.
When arming preparation is set from disarmed state using the wireless door lock, the hazard lights flush once.
2. When the system is released.
When disarmed state is set from either arming preparation, armed state or alarm sounding using the wireless door lock, the hazard lights flush twice.

3. PASSIVE ARMING MODE

Part 1:




Part 2:




- This mode can be switched according to the specified operation.
- All initially set modes (when shipped from factory) are active mode.(No passive mode)






HINT: In armed state either closed door is opened, entry delay occurs. (14 secs.)
During this time, the mode transfers to disarmed state when the condition described above * is met.
When the condition is not met, the system judges theft occurs, the mode transfers to alarm sounding.






HINT: Even in disarmed state, the indicator light flash. (Due to the signal output form immobilizer system). The indicator always flashes receiving the signal from the immobilizer system at any time in the arming condition.

Flashing frequency:
0.2 seconds (ON)
1.8 seconds (OFF)




a. Transfer to active mode:
In each passive mode, when "disarmed state of active mode alarming preparation transfer condition" is met, the active mode transfers to each condition. In this case, active mode continues till disarmed state.
b. Answer back:
The hazard lights flush as answer back under the following conditions.
1. When the system is set.
When arming preparation is set from disarmed state using the wireless door lock, the hazard lights flush once.
2. When the system is released.
When disarmed state is set from either arming preparation, armed state or alarm sounding using the wireless door lock, the hazard lights flush twice.

4. CHANGING METHOD OF PASSIVE MODE (ON or OFF)
Using hand-held tester, the mode can be changed to the passive mode.




5. ECU TERMINAL VALUES MEASUREMENT BY USING LEXUS BREAK-OUT-BOX AND LEXUS HAND-HELD TESTER
a. Hook up the LEXUS break-out-box and LEXUS hand-held tester to the vehicle.
b. Read the ECU input/output values by following the prompts on the tester screen.
c. Please refer to the LEXUS hand-held tester has a "Snapshot" function This records the measured data and is effective in the diagnosis of intermittent problems.