Toyota Avalon Service & Repair Manual: 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 key system (for start function)

Multiplex tilt and telescopic ECU

Only auto return function does not operate

Smart key system (for start function)

Multiplex tilt and telescopic ECU

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

Front power seat control system (w/ Memory)

Seat memory switch

Position control ECU assembly (Driver Seat)

Multiplex tilt and telescopic ECU

    Precaution

    System Description

    See More:

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