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 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.
Entire System

Symptom

Suspected Area

Link

System does not operate at all

Proceed to "Power Source Circuit"

CAN communication system

Blind spot monitor sensor RH

System cannot be turned off

CAN communication system

Blind spot monitor sensor RH

"Blind Spot Monitor Unavailable" or "Blind Spot Monitor System Malfunction Visit Your Dealer" is displayed on the multi-information display

Check abnormality history

Blind spot monitor sensor RH

Blind spot monitor sensor LH

Combination meter assembly

"Rear Cross Traffic Alert Unavailable" or "Rear Cross Traffic Alert Malfunction Visit Your Dealer" is displayed on the multi-information display

Check abnormality history

Blind spot monitor sensor RH

Blind spot monitor sensor LH

Combination meter assembly

Blind Spot Monitor Function

Symptom

Suspected Area

Link

Outer rear view mirror indicator RH does not illuminate

Proceed to "Blind Spot Monitor Beam Axis Confirmation"

Outer mirror RH

Outer mirror control ECU assembly RH*3

Outer rear view mirror assembly RH

Blind spot monitor sensor RH

Outer rear view mirror indicator LH does not illuminate

Proceed to "Blind Spot Monitor Beam Axis Confirmation"

Outer mirror LH

Outer mirror control ECU assembly LH*3

Outer rear view mirror assembly LH

Blind spot monitor sensor LH

Outer rear view mirror indicator RH remains illuminated

Proceed to "Blind Spot Monitor Beam Axis Confirmation"

Blind spot monitor sensor RH

Outer rear view mirror indicator LH remains illuminated

Proceed to "Blind Spot Monitor Beam Axis Confirmation"

Blind spot monitor sensor LH

Outer rear view mirror indicator RH does not flash

Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting (EXT) section*4

Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting (EXT) section*5

Blind spot monitor sensor RH

Outer rear view mirror indicator LH does not flash

Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting (EXT) section*4

Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting (EXT) section*5

Blind spot monitor sensor LH

Outer rear view mirror indicator RH continues to flash

Blind spot monitor sensor RH

Outer rear view mirror indicator LH continues to flash

Blind spot monitor sensor LH

RCTA Function

Symptom

Suspected Area

Link

Function does not operate at all

(Blind spot monitor function operates normally)

Data list / active test (Reverse)

Automatic transmission system

Blind spot monitor sensor LH

While RCTA function is active, outer rear view mirror indicator flashes but RCTA buzzer does not sound.

Proceed to "Buzzer does not Sound"

When shift lever is in R, detection operation is normal but RCTA indicator does not appear on multi-display

CAN communication system

Blind spot monitor sensor RH

Blind spot monitor sensor LH

Radio and display receiver assembly

Television camera assembly*1

Parking assist ECU*2

  • *1: w/ Parking Assist Monitor System
  • *2: w/ Panoramic View Monitor System
  • *3: w/ Seat Memory
  • *4: for HV Model with Cornering Light
  • *5: for HV Model without Cornering Light
    Precaution

    System Description

    See More:

    Toyota Avalon Service & Repair Manual > Wiper And Washer System(for Gasoline Model): Check For Intermittent Problems
    CHECK FOR INTERMITTENT PROBLEMS NOTICE: If the vehicle or vehicle controls are operated (for example, during initial inspection when the vehicle is brought in for repair) before operation history has been read and saved, the operation history information could be lost. The Operation History function ...

    Toyota Avalon Owners Manual

    Toyota Avalon Service & Repair Manual

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