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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DTC CHECK / CLEAR CHECK DTC (CHECK USING TECHSTREAM) (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG) and wait for 90 seconds. (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Navigation System / Trouble Codes. Body Electrical > Navigation Syst
DESCRIPTION The fuel pressure sensor (for low pressure side) replaces the fuel pressure with electrical signals and outputs them to the ECM. The ECM controls the optimal fuel pressure for the operation conditions to reduce the fuel pump power consumption and improve fuel economy. DTC No. Detec
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