Pre-Check

PRE-CHECK DIAGNOSIS

1. SETTING OF THE THEFT DETERRENT SYSTEM
Setting Conditions
(a) Close all the doors.
(b) Close the engine hood and luggage compartment door.
(c) Remove the ignition key out of the ignition key cylinder.

2. SETTING OF THE THEFT DETERRENT SYSTEM
Setting Operation





When any of the following operations (a), (b) or (c) is performed, the theft deterrent indicator light will light up as shown above.
(1) Lock the left or right door using the key. (All doors are locked by key-interlinked lock operation)
(2) Lock all the doors using the wireless door lock control system.
(3) With one of the doors locked, lock the other door without using the key (keyless door lock).

HINT: When the theft deterrent system is set, doors cannot be locked or unlocked with the door lock control switch and the luggage compartment door cannot be unlocked with the luggage compartment door opener switch.

3. CANCELING OF THE THEFT DETERRENT SYSTEM IN THE SET CONDITION
Cancelling Operation

HINT:
- Check if the theft deterrent indicator light is blinking.
- When any of the following operations (a), (b), (c) or (d) is performed, the theft deterrent system is canceled and indicator light will go off.

(a) Unlock the left or right door using the key.
(b) Unlock all the doors using the wireless door lock control system.
(c) Insert the ignition key in the ignition key cylinder and turn it to the ACC or ON position. (This is operative only when the theft deterrent system has never operated.)
(d) Unlock the luggage compartment door with the key. *1
*1: The theft deterrent systems is temporarily canceled only while the luggage compartment door is open. Approximately 2 seconds after the luggage compartment door is closed, the theft deterrent system is reset.

4. CHECK OF THE THEFT DETERRENT SYSTEM OPERATION
Check if the theft deterrent indicator light is blinking.
When any of the following operation (a) or (b) is performed, the system sounds the horns and theft deterred horn and flashes the headlights and taillights for about one minute to alert. At the same time, the system disconnects the starter motor circuit and locks all doors (if all doors are not locked, the system repeats door locking operation every 2 seconds during the one minute alert time).
(1) Open the engine hood using the engine hood opener lever.
(2) Unlock any of the doors without key operation.





5. CANCELING OF THE THEFT DETERRENT SYSTEM IN OPERATING CONDITION.
The theft deterrent operation can be canceled when any of the above conditions are met.

6. ECU TERMINAL VALUES MEASUREMENT BY USING LEXUS BRAKE-OUT-BOX AND LEXUS HAND-HELD TESTER





(a) Hook up the LEXUS hand-held tester and LEXUS brake out-box to the vehicle.
(b) Read the ECU input/output values by following the prompts on the tester screen.

HINT: LEXUS hand-held tester has a "Snapshot" function. This records the measured values and is effective in the diagnosis of intermittent problems.
Please refer to the LEXUS hand-held tester/LEXUS brake out-box operator's manual for further details.