Lexus ES: System Diagram
SYSTEM DIAGRAM

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SYSTEM DESCRIPTION When the trunk and fuel switch assembly (fuel lid opener switch) is operated, the fuel lid lock with motor assembly to open the fuel lid.
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the fuel lid opener system.
*: Use the GTS.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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OPERATION CHECK CHECK FUEL LID OPENER SYSTEM (a) Push the trunk and fuel switch assembly (fuel lid opener switch) and check that the fuel lid opens.
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DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area B1574 GVIF Disconnected (from Park Assist/Monitoring ECU to EMV/MM Integrated Device) GVIF disconnected (from parking assist ECU to multi-display assembly)
Harness or connector (GVIF cable)
Multi-display
DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle control ECU monitors the motor generator control ECU (MG ECU). The cause of this malfunction may be the following: Motor generator control ECU internal malfunction
Motor generator control ECU (MG ECU) malfunction
DESCRIPTION The hybrid veh
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