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Home >> Lexus >> 2011 >> LX 570 V8-5.7L (3UR-FE) >> Repair and Diagnosis >> Body and Frame >> Locks >> Keyless Entry >> Description and Operation
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Keyless Entry: Description and Operation





DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: SYSTEM DIAGRAM









Communication Table





*: w/ Power Back Door System





SYSTEM DESCRIPTION

This system lock/unlocks the doors remotely. The wireless door lock control system has the following features:

* The certification ECU (smart key ECU assembly) performs the code identification process and the main body ECU (cowl side junction block LH) controls the door lock. A serial data link is provided for communication between the certification ECU (smart key ECU assembly) and main body ECU (cowl side junction block LH).

* A key-integrated type transmitter is used and it contains the following 3 switches: lock switch, unlock switch and panic switch.

* An LED is mounted on the transmitter to show if the battery is depleted.

1. FUNCTION OF MAIN COMPONENTS





*1: w/o Power Back Door System

*2: w/ Power Back Door System

2. SYSTEM FUNCTION

(a) The wireless door lock control system has the following functions:





*: w/ Power Back Door System
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