Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001AS3U
Model Year Start: 2019 Model: Avalon Prod Date Range: [04/2018 -           ]
Title: DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM (for Gasoline Model): PROBLEM SYMPTOMS TABLE; 2019 - 2022 MY Avalon [04/2018 -        ]

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.

Wireless Door Lock Control System

Symptom

Suspected Area

Link

Wireless control function and entry function do not operate

Check for DTCs

2019 - 2022 MY Avalon [04/2018 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function, Gasoline Model): All Door Entry Lock/Unlock Functions and Wireless Functions do not Operate

Lighting system (Int) (Front door courtesy switch circuit)

Lighting system (Int) (Rear door courtesy switch circuit)

Power door lock control system

Wave interference

Transmitter battery

Electrical key transmitter sub-assembly

Wire harness or connector

Check connector connection condition

Electrical key and tire pressure monitoring system receiver assembly

Certification ECU (Smart key ECU assembly)

Main body ECU (Multiplex network body ECU)

B code registration failed

Wireless control function does not operate but entry function operates

Electrical key transmitter sub-assembly

-

Only answer-back function does not operate properly

Check customize setting

2019 - 2022 MY Avalon [04/2018 -        ]; DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM (for Gasoline Model): No Answer-Back

Perform operation check

Lighting system (Int) (Door unlock detection switch circuit)

Main body ECU (Multiplex network body ECU)

Wireless door lock buzzer

Instrument panel junction block assembly

Wire harness or connector

Lighting system (Ext) (Hazard warning switch circuit)

Only automatic lock function does not operate properly

Perform operation check

2019 - 2022 MY Avalon [04/2018 -        ]; DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM (for Gasoline Model): OPERATION CHECK

Lighting system (Int) (Front door courtesy switch circuit)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (INT): LIGHTING SYSTEM (for Gasoline Model): Front Door Courtesy Switch Circuit

Lighting system (Int) (Rear door courtesy switch circuit)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (INT): LIGHTING SYSTEM (for Gasoline Model): Rear Door Courtesy Switch Circuit

Main body ECU (Multiplex network body ECU)

-

Only illuminated entry function does not operate

Perform operation check

2019 - 2022 MY Avalon [04/2018 -        ]; DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM (for Gasoline Model): OPERATION CHECK

Lighting system (Int)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (INT): LIGHTING SYSTEM (for Gasoline Model): OPERATION CHECK

Main body ECU (Multiplex network body ECU)

-

Only door ajar warning buzzer function does not operate

Wireless door lock buzzer

2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; DOOR LOCK: WIRELESS DOOR LOCK BUZZER: REMOVAL

Only panic alarm function does not operate

Perform operation check

2019 - 2022 MY Avalon [04/2018 -        ]; DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM (for Gasoline Model): OPERATION CHECK

Lighting system (Int) (Interior lights)

2019 - 2022 MY Avalon [04/2018 -        ]; LIGHTING (INT): LIGHTING SYSTEM (for Gasoline Model): OPERATION CHECK

Lighting system (Ext) (Headlights, taillights, hazard warning lights)*1

2019 - 2021 MY Avalon [04/2018 - 08/2021]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): OPERATION CHECK 2022 MY Avalon [08/2021 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with Cornering Light): OPERATION CHECK

Lighting system (Ext) (Headlights, taillights, hazard warning lights)*2

2019 - 2021 MY Avalon [04/2018 - 08/2021]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model without Cornering Light): OPERATION CHECK 2022 MY Avalon [08/2021 -        ]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model without Cornering Light): OPERATION CHECK

Theft deterrent system (Vehicle horns, Security horn)

2019 - 2020 MY Avalon [04/2018 - 08/2020]; THEFT DETERRENT / KEYLESS ENTRY: THEFT DETERRENT SYSTEM (for Gasoline Model): PROBLEM SYMPTOMS TABLE 2021 - 2022 MY Avalon [08/2020 -        ]; THEFT DETERRENT / KEYLESS ENTRY: THEFT DETERRENT SYSTEM (for Gasoline Model): PROBLEM SYMPTOMS TABLE

Main body ECU (Multiplex network body ECU)

-
  • *1: w/ Cornering Light
  • *2: w/o Cornering Light