Lexus ES manuals

Lexus ES: Problem Symptoms Table



  • 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 probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Fuel Lid Opener System


Suspected Area


Fuel lid opener does not lock/unlock

Proceed to "Fuel Lid Opener does not Operate"

Messages are not displayed on the multi-information display in the combination meter assembly

SFI system

Combination meter assembly


Wire harness or connector



 Data List / Active Test

DATA LIST / ACTIVE TEST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faul

 Fuel Lid Opener does not Operate

DESCRIPTION When the trunk and fuel switch assembly (fuel lid opener switch) is pushed, a trunk and fuel switch assembly (fuel lid opener switch) signal is sent to the ECM. The ECM turns on the FUEL O



 Actuator Cut Circuit Stuck Off (P16B09F)

MONITOR DESCRIPTION The ECM monitors the operation of the throttle actuator. When a malfunction is detected in the throttle actuator cut circuit immediately after the power switch is turned off, the ECM illuminates the MIL and stores a DTC. DTC No. Detection Item DTC Detection Condition Tro

 Data List / Active Test

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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