Lexus ES: System Description
Lexus ES (XZ10) Service Manual / Vehicle Interior / Door / Hatch / Fuel Lid Opener System (for Hv Model) / System Description
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. After the pressure has decreased, the ECM turns on the FUEL OPN relay to operate the fuel lid lock with motor assembly to open the fuel lid. When the fuel lid is opened, a fuel lid courtesy switch signal is output and a message is displayed on the multi-information display.
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How To Proceed With Troubleshooting
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
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
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of
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Inspection
INSPECTION PROCEDURE 1. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY (a) Measure the resistance according to the value(s) in the table below when the transmission control shaft lever is moved to each position. Standard Resistance: Tester Connection Condition Specified Condition 4 (B)
Diagnosis System
DIAGNOSIS SYSTEM PARKING ASSIST MONITOR SYSTEM DIAGNOSTIC MODE (a) In diagnostic mode for the parking assist monitor system, signals received by the radio receiver assembly can be checked and the parking assist monitor system can be calibrated, adjusted and checked using the multi-display assembly.
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