Lexus ES manuals

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

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

 How To Proceed With Troubleshooting

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

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

SEE MORE:

 Lost Communication with Multi-axis Acceleration Sensor Module Missing Message (U012587,U012987,U014087,U029387)

DESCRIPTION These DTCs are stored if a CAN communication malfunction occurs between the forward recognition camera and other ECUs. DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U012587 Lost Communication with Multi-axis Acceleration Sensor Module Missin

 Disposal

DISPOSAL PROCEDURE 1. DISPOSE OF REAR SHOCK ABSORBER ASSEMBLY CAUTION: Always use a cloth to prevent shards of metal from flying about due to the release of pressurized gas. Always wear safety glasses. HINT: The gas is colorless, odorless and non-poisonous. (a) Extend the piston rod and

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