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
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Reassembly
REASSEMBLY PROCEDURE 1. INSTALL FRONT BUMPER SIDE SUPPORT LH (a) Engage the clip as shown in the illustration. Install in this Direction (b) Install the front bumper side support LH with the bolt. Torque: 5.4 N·m {55 kgf·cm, 48 in·lbf} 2. INSTALL FRONT BUMPER SIDE SUPPOR
Short to GND or Open in Buzzer (C1ABE)
DESCRIPTION
DTC C1ABE is stored when the blind spot monitor sensor LH detects a short to ground or open in the RCTA buzzer (blind spot monitor buzzer) circuit.
DTC No. Detection Item DTC Detection Condition Trouble Area C1ABE Short to GND or Open in Buzzer Both of the followi
