Lexus IS250 IS220d GSE20 ALE20 - DOOR LOCK
WIRELESS DOOR LOCK CONTROL SYSTEM - SYSTEM DESCRIPTION
| WIRELESS DOOR LOCK CONTROL SYSTEM |
The wireless door lock control system functions to lock and unlock all the doors from a distance. The system is controlled by a hand-held transmitter which sends radio waves to the door control receiver. The main body ECU RH performs an ID code identification process and engages the door lock control.
| FUNCTION OF MAIN COMPONENTS |
| Component | Function |
| Door control transmitter | With PANIC switch: Has LOCK, UNLOCK, LUGGAGE OPEN, and PANIC switches. Without PANIC switch: Has LOCK, UNLOCK, and LUGGAGE OPEN switches. Transmits weak radio waves (recognition codes and function codes) to the door control receiver. Illuminates the indicator light (LED) during transmission. |
| Door control receiver | Receives weak radio waves from the door control transmitter and sends them to the certification ECU. |
Front door courtesy light switch Rear door courtesy light switch Luggage compartment door courtesy light switch | Turns on when a door is opened and turns off when it is closed. Outputs door status codes (open or closed) to the main body ECU RH. |
| Door lock position switch | Transmits the door lock positions of each door to the main body ECU RH. |
| Wireless door lock buzzer | Emits beep (answer back) when doors are locked or unlocked, or luggage compartment door is opened by wireless operation.*1 Emits beep (answer back) when the LOCK switch or UNLOCK switch is used to open or close all power windows or sliding roof*2. |
| Certification ECU | Sends wireless door lock control signals in response to the code data from the door control receiver and signals from each ECU. |
- HINT:
*1: Australia, New Zealand
*2: with sliding roof
| SYSTEM FUNCTION |
The door control transmitter has LOCK, UNLOCK, LUGGAGE OPEN, and PANIC switches. Operating these switches activates each function.
The wireless door lock control system has the following functions:
- HINT:
- The following functions' default settings are ON. Part of these functions can be customized .
| Function | Operation |
| All door lock | Pressing the LOCK switch locks all doors. |
| All door unlock*1 | Pressing the UNLOCK switch unlocks all doors. |
| Unlock 2 operation*2 | Pressing UNLOCK twice within 3 seconds unlocks all the doors after the driver's door is unlocked. |
| Automatic lock | If none of the doors is opened within 30 seconds after they are unlocked by the wireless door lock control, all the doors will lock again automatically. |
| Luggage compartment door open | Pressing the LUGGAGE OPEN switch of the transmitter for longer than 0.8 seconds opens the luggage compartment door. |
| Answer back | When the doors are locked by wireless operation, the hazard warning lights flash once and the wireless door lock buzzer*2 sounds once. When the doors are unlocked by wireless operation, the hazard warning lights flash twice and the wireless door lock buzzer*2 sounds twice. When the luggage compartment door is opened by wireless operation, the wireless door lock buzzer sounds for (0.5 seconds).*2 |
| Panic alarm*2 | Pressing the PANIC switch of the transmitter for longer than about 0.8 seconds causes the following alarms to activate: Sounds the horn and security horn. Flashes the hazard lights, headlights, and taillights. Illuminates the front interior light (when the switch is in the DOOR position). |
| Power window and sliding roof*3 open | Pressing the UNLOCK switch for 2.4 seconds or more opens all power windows. Pressing the UNLOCK switch for 3.4 seconds or more opens sliding roof.*3 The wireless buzzer sounds once when the operation starts. |
| Power window and sliding roof*3 close | Pressing the LOCK switch 2.4 seconds or more closes all power windows. Pressing the LOCK switch for 3.4 seconds or more close sliding roof.*3 The wireless buzzer sounds once when the operation starts. |
| Illuminated entry | When all the doors are locked, pressing the UNLOCK switch causes the interior light to come on simultaneously with the unlock operation. |
| Memory call | This function operates the memory system in accordance with key ID. |
- HINT:
*1: Europe
*2: Australia, New Zealand
*3: with sliding roof
LEXUS IS250, IS220d / GSE20 ALE20