Antitheft and Alarm Systems: Service and Repair

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 using TOYOTA hand-held tester (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.
In the arming condition when any of doors is unlocked not by the key or wireless remote, force lock signal is output.

2. ACTIVE ARMING MODE

Part 1:

Part 2:

3. PASSIVE ARMING MODE
- This mode can be switched by C-BEST customizing function.
- All initially set modes (when shipped from factory) are active mode. (No passive mode)

HINT: In armed state any 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.

Indicator light output:

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 - arming 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 buzzer and taillights 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 buzzer and taillights.
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 buzzer and taillights.

4. Using TOYOTA hand-held tester:
CHANGING METHOD OF PASSIVE MODE (ON or OFF)

5. ECU TERMINAL VALUES MEASUREMENT BY USING TOYOTA BREAK-OUT-BOX AND TOYOTA HAND- HELD TESTER
a. Hook up the TOYOTA break-out-box and TOYOTA 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 TOYOTA hand-held tester has a "Snapshot" function. This records the measured data and is effective in the diagnosis of intermittent problems.