Lexus ES: System Description
SYSTEM DESCRIPTION
LUGGAGE COMPARTMENT DOOR OPENER SYSTEM DESCRIPTION
(a) If the trunk and fuel switch assembly (luggage compartment door opening switch) is pressed and the luggage compartment door is closed, a luggage compartment door lock assembly open operation signal is sent to the main body ECU (multiplex network body ECU). Then the main body ECU (multiplex network body ECU) unlatches the luggage compartment door.
FUNCTION OF MAIN COMPONENTS
| Item | Outline |
| Luggage door opening cancel switch assembly | Cancels luggage compartment door opener system operation |
| Trunk and fuel switch assembly (Luggage compartment door opening switch) | Turns the luggage compartment door opener system ON/OFF |
| Luggage compartment door lock assembly | Opens the luggage compartment door via a signal from the main body ECU (multiplex network body ECU) |
| Main body ECU (Multiplex network body ECU) | Receives luggage door opening cancel switch assembly on signal and a luggage compartment door lock assembly open operation signal, and controls the luggage compartment door opener system |
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SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line Certification ECU (Smart Key ECU Assembly) Main Body ECU (Multiplex Network Body ECU) Luggage compartment door lock ass
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the luggage compartment door opener system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
OPERATION CHECK BASIC FUNCTION INSPECTION (a) When the trunk and fuel switch assembly (luggage compartment door opening switch) is pressed, check that the luggage compartment door unlatches. (b) While
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