Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001PY3Y
Model Year Start: 2021 Model: Avalon HV Prod Date Range: [08/2020 -           ]
Title: TELEMATICS: TELEMATICS SYSTEM: Warning Notification Function Malfunction; 2021 - 2022 MY Avalon Avalon HV [08/2020 -        ]

Warning Notification Function Malfunction

PROCEDURE

1.

CHECK PROBLEM SYMPTOM (WARNING NOTIFICATION FUNCTION)

(a) Check the problem symptom.

(1) Check the problem symptom of the warning notification function.

Result

Proceed to

The multi-display screen does not show a warning message even though a warning light turns on or the multi-information display indicates a warning.

A

The multi-display screen shows a warning message even though a warning light is not on and the multi-information display does not indicate a warning.

B

The multi-display screen shows a warning message different from the warning light or the multi-information display.

HINT:

  • The warning notification function sends information to the service center through communication.
  • Carefully confirm the conditions that caused the malfunction in order to determine if a temporary problem with the radio wave signal conditions caused the malfunction.
B

GO TO STEP 7

A

2.

INSPECT WARNING LIGHT

(a) Check if the indicated warning light or message is listed in the following table.

HINT:

Only messages listed in the table are included in the warning notification function.

for HV Model:

Warning Name

Engine warning

Hybrid control system warning

Brake system warning

VSC warning

ABS warning

Electronically controlled brake system warning

Power steering system warning

Charging system warning

Airbag warning

Pre-collision system warning

Cruise warning

Intuitive parking assist system warning

Drive start control system

Brake override system warning

Smart key system warning

Grille shutter system warning

Automatic high beam system warning

LED headlight warning

Tire pressure system warning

Electric parking brake warning

Auto hold warning

Blind spot monitor system warning

Intelligent clearance sonar system warning

Secondary collision brake warning

Vehicle proximity notification system warning

Lane departure alert system warning

Reverse control wiper warning

Rear cross traffic alert system warning

Engine oil level warning

Brake fluid warning

Engine oil pressure warning

Tire pressure low warning

Washer fluid level warning

High coolant temperature warning

Hybrid system temperature warning

Hybrid battery diagnostic request warning

Hybrid battery cooling fan maintenance warning

Towing prohibited warning

Engine maintenance warning

Oil maintenance warning

for Gasoline Model:

Warning Name

Engine warning

Brake system warning

VSC warning

ABS warning

Power steering system warning

Charging system warning

Airbag warning

Pre-collision system warning

Cruise warning

Intuitive parking assist system warning

Drive start control system

Brake override system warning

Smart key system warning

Automatic high beam system warning

LED headlight warning

Tire pressure system warning

Electric parking brake warning

Auto hold warning

Blind spot monitor system warning

Intelligent clearance sonar system warning

Secondary collision brake warning

Lane departure alert system warning

Reverse control wiper warning

Rear cross traffic alert system warning

Engine oil level warning

Brake fluid warning

Engine oil pressure warning

Tire pressure low warning

Washer fluid level warning

High coolant temperature warning

Engine maintenance warning

Oil maintenance warning

Result

Proceed to

Warning light or message is listed in the table.

A

Warning light or message is not listed in the table.

B
B

END
A

3.

CHECK CAN COMMUNICATION SYSTEM

(a) Connect the GTS to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the GTS on.

(d) Enter the following menus: Bus Check.

(e) Check that all ECUs and sensors that use CAN communication are connected.

for HV Model: Click here 2021 MY Avalon HV [08/2020 - 08/2021]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): DIAGNOSIS SYSTEM 2022 MY Avalon HV [08/2021 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): DIAGNOSIS SYSTEM

for Gasoline Model: Click here 2021 MY Avalon [08/2020 - 08/2021]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model): DIAGNOSIS SYSTEM 2022 MY Avalon [08/2021 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model): DIAGNOSIS SYSTEM

Result

Proceed to

There are no connection problems.

A

There is a connection problem.

B
B

GO TO CAN COMMUNICATION SYSTEM

for HV Model: Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

for Gasoline Model: Click here 2019 - 2022 MY Avalon [04/2018 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

A

4.

CHECK METER WARNING LIGHT

(a) Check that the warning light of the combination meter assembly illuminates and a message displays on the multi-information display when there is a malfunction, and do not when there is not a malfunction.

OK:

There are no problems with warning lights or warning messages.

HINT:

The warning notification function of the telematics system uses the warning notification signals sent and received by the meter/gauge system. Therefore, if the meter/gauge system is not operating normally, the warning notification function will not operate normally.

Result

Proceed to

OK (w/ Navigation System)

A

OK (w/o Navigation System)

B

NG

C
B

GO TO STEP 6

C

GO TO METER / GAUGE SYSTEM

for HV Model: Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

for Gasoline Model: Click here 2019 - 2022 MY Avalon [04/2018 -        ]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

A

5.

CHECK NAVIGATION SYSTEM

(a) Check if the navigation system is operating and functioning normally.

OK:

The navigation system is normal.

OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

NG

GO TO NAVIGATION SYSTEM

for HV Model: Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

for Gasoline Model: Click here 2019 - 2022 MY Avalon [04/2018 -        ]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

6.

CHECK AUDIO AND VISUAL SYSTEM

(a) Check if the audio and visual system is operating and functioning normally.

OK:

The audio and visual system is normal.

OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

NG

GO TO AUDIO AND VISUAL SYSTEM

for HV Model: Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

for Gasoline Model: Click here 2019 - 2022 MY Avalon [04/2018 -        ]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

7.

CHECK METER WARNING LIGHT

(a) Check that the warning light of the combination meter assembly illuminates and a message displays on the multi-information display when there is a malfunction, and do not when there is not a malfunction.

OK:

There are no problems with warning lights or warning messages.

HINT:

The warning notification function of the telematics system uses the warning notification signals sent and received by the meter/gauge system. Therefore, if the meter/gauge system is not operating normally, the warning notification function will not operate normally.

OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

NG

GO TO METER / GAUGE SYSTEM

for HV Model: Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (for HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

for Gasoline Model: Click here 2019 - 2022 MY Avalon [04/2018 -        ]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING