Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Problem Symptoms Table

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Vehicle Interior / Seat / Climate Control Seat System(for Gasoline Model) / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

NOTICE:

If the battery voltage becomes low, battery load control will operate in order to ensure sufficient power is supplied to the power steering system. In this case, the climate control seat system (for gasoline model) may not operate.

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 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.
Climate Control Seat System

Symptom

Suspected Area

Link

Seat blower volume is low (front LH seat)

Check that the air ducts are not disconnected or damaged

Seat cushion climate control blower LH

-

Seatback climate control blower LH

-

Seat blower volume is low (front RH seat)

Check that the air ducts are not disconnected or damaged

Seat cushion climate control blower RH

-

Seatback climate control blower RH

-

Seat blower volume does not change (front LH seat)

Climate control switch (Radio and display receiver assembly)

-

Seat cushion climate control blower LH

-

Seatback climate control blower LH

-

Air conditioning amplifier assembly

-

Seat blower volume does not change (front RH seat)

Climate control switch (Radio and display receiver assembly)

-

Seat cushion climate control blower RH

-

Seatback climate control blower RH

-

Air conditioning amplifier assembly

-

Climate control seat system does not operate

Refer to the "Climate Control Seat System does not Operate".

    Precaution

    System Description

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