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 pressure in the fuel tank is decreased and a message is displayed on the multi-information display.
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the fuel lid opener system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
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OPERATION CHECK CHECK FUEL LID OPENER SYSTEM Push the trunk and fuel switch assembly (fuel lid opener switch) and check that messages are displayed on the multi-information display in the combination
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DESCRIPTION Refer to DTC P079512. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P079514 Pressure Control Solenoid "C" Circuit Short to Ground or Open While the vehicle is being driven so that gear changes occur, a short to ground or o
DATA LIST / ACTIVE TEST ACTIVE TEST HINT: Using the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts o
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