Lexus ES manuals

Lexus ES: 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 probability in the "Suspected Area" column of the table.
  • Check each system 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 area below.
Power Tilt and Power Telescopic Steering Column System

Symptom

Suspected Area

Link

Only manual switch does not operate

Tilt and telescopic manual switch circuit

Only auto away/return function does not operate

Check customize status of auto away/return function using the Techstream

IG power source circuit

Only auto away function does not operate

Smart access system with push-button start (for Start Function, Gasoline Model)

Multiplex tilt and telescopic ECU

Only auto return function does not operate

Smart access system with push-button start (for Start Function, Gasoline Model)

Multiplex tilt and telescopic ECU

Only microcomputer preset memory/recall function does not operate with the set switch operation

Front power seat control system (for Gasoline Model with Memory)

Seat memory switch

Position control ECU assembly (Driver Seat) (for TMC Made)

Position control ECU assembly (Driver Seat) (for TMMK Made)

Multiplex tilt and telescopic ECU

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 Terminals Of Ecu

TERMINALS OF ECU MULTIPLEX TILT AND TELESCOPIC ECU *a Component with harness connected (Multiplex Tilt and Telescopic ECU) - - (a) Measure the voltage and resistance according to the valu

 Terminals Of Ecu

TERMINALS OF ECU MULTIPLEX TILT AND TELESCOPIC ECU *a Component with harness connected (Multiplex Tilt and Telescopic ECU) - - (a) Measure the voltage and resistance according to the valu

 Diagnosis System

DIAGNOSIS SYSTEM DESCRIPTION (a) When troubleshooting a vehicle with the diagnostic system, the only difference from the usual troubleshooting procedure is connecting the Techstream to the vehicle and

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 Components

COMPONENTS ILLUSTRATION *1 FRONT FENDER APRON SEAL RH *2 OIL PRESSURE CONTROL VALVE ASSEMBLY N*m (kgf*cm, ft.*lbf): Specified torque - -

 Parts Location

PARTS LOCATION ILLUSTRATION *1 FORWARD RECOGNITION CAMERA *2 BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY - SKID CONTROL ECU *3 RACK AND PINION POWER STEERING GEAR ASSEMBLY - POWER STEERING ECU -POWER STEERING MOTOR -TORQUE SENSOR *4 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTIO

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