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Home >> Toyota >> 2023 >> Venza LE >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Smart Key System (For Entry Function) - Diagnostics - Introduction >> SMART KEY SYSTEM (for Entry Function) >> Problem Symptoms Table [07/2020 - ] >> Problem Symptoms Table [07/2020 - ]
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Problem Symptoms Table [07/2020 - ]

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SMART KEY SYSTEM (FOR ENTRY FUNCTION)

Symptom Suspected Area Link
Key vehicle inside lock-in prevention function does not operate Affected by wave interference Refer to Power Source Mode does not Change to ON (IG and ACC) [07/2020 - ]
Harness or connector
No. 1 indoor electrical key antenna assembly (front floor)
No. 2 indoor electrical key antenna assembly (rear floor)
No. 3 indoor electrical key antenna assembly (inside luggage compartment)
Certification ECU (Smart key ECU assembly)
Transmitter battery
Power distribution box assembly
Power switch
All door entry lock/unlock functions and wireless functions do not operate Lighting system Refer to All Door Entry Lock/Unlock Functions and Wireless Functions do not Operate [07/2020 - 10/2022] , or refer to All Door Entry Lock/Unlock Functions and Wireless Functions do not Operate [10/2022 - ]
Power door lock control system
Affected by wave interference
Code registration
Transmitter battery
Harness or connector
Electrical key transmitter sub-assembly
Electrical key and tire pressure warning ECU and receiver
Main body ECU (Multiplex network body ECU)
Certification ECU (Smart key ECU assembly)
All door entry lock/unlock functions do not operate, but wireless functions operate Affected by wave interference Refer to All Door Entry Lock/Unlock Functions do not Operate, but Wireless Functions Operate [07/2020 - ]
Electrical key transmitter sub-assembly
Certification ECU (Smart key ECU assembly)
Driver side door entry unlock function does not operate Power door lock control system Refer to Driver Side Door Entry Unlock Function does not Operate [07/2020 - ]
Harness or connector
Front door outside handle assembly (for driver door)
Lighting system
Certification ECU (Smart key ECU assembly)
Front passenger side door entry unlock function does not operate Power door lock control system Refer to Front Passenger Side Door Entry Unlock Function does not Operate [07/2020 - ]
Harness or connector
Front door outside handle assembly (for front passenger door)
Lighting system
Certification ECU (Smart key ECU assembly)
Rear door LH entry unlock function does not operate*1 Power door lock control system Refer to Rear Door LH Entry Unlock Function does not Operate [07/2020 - ]
Harness or connector
Rear door outside handle assembly (for driver side)
Lighting system
Certification ECU (Smart key ECU assembly)
Rear door RH entry unlock function does not operate*1 Power door lock control system Refer to Rear Door RH Entry Unlock Function does not Operate [07/2020 - ]
Harness or connector
Rear door outside handle assembly (for front passenger side)
Lighting system
Certification ECU (Smart key ECU assembly)
Driver side door entry lock and unlock functions do not operate Power door lock control system Refer to Driver Side Door Entry Lock and Unlock Functions do not Operate [07/2020 - ]
Affected by wave interference
Harness or connector
Front door outside handle assembly (for driver door)
Certification ECU (Smart key ECU assembly)
Front passenger side door entry lock and unlock functions do not operate Power door lock control system Refer to Front Passenger Side Door Entry Lock and Unlock Functions do not Operate [07/2020 - ]
Affected by wave interference
Harness or connector
Front door outside handle assembly (for front passenger door)
Certification ECU (Smart key ECU assembly)
Rear door LH entry lock and unlock functions do not operate*1 Power door lock control system Refer to Rear Door LH Entry Lock and Unlock Functions do not Operate [07/2020 - ]
Affected by wave interference
Harness or connector
Rear door outside handle assembly (for driver side)
Certification ECU (Smart key ECU assembly)
Rear door RH entry lock and unlock functions do not operate*1 Power door lock control system Refer to Rear Door RH Entry Lock and Unlock Functions do not Operate [07/2020 - ]
Affected by wave interference
Harness or connector
Rear door outside handle assembly (for front passenger side)
Certification ECU (Smart key ECU assembly)
Driver side door entry lock function does not operate Power door lock control system Refer to Driver Side Door Entry Lock Function does not Operate [07/2020 - ]
Harness or connector
Front door outside handle assembly (for driver door)
Certification ECU (Smart key ECU assembly)
Front passenger side door entry lock function does not operate Power door lock control system Refer to Front Passenger Side Door Entry Lock Function does not Operate [07/2020 - ]
Harness or connector
Front door outside handle assembly (for front passenger door)
Certification ECU (Smart key ECU assembly)
Rear door LH entry lock function does not operate*1 Power door lock control system Refer to Rear Door LH Entry Lock Function does not Operate [07/2020 - ]
Harness or connector
Rear door outside handle assembly (for driver side)
Certification ECU (Smart key ECU assembly)
Rear door RH entry lock function does not operate*1 Power door lock control system Refer to Rear Door RH Entry Lock Function does not Operate [07/2020 - ]
Harness or connector
Rear door outside handle assembly (for front passenger side)
Certification ECU (Smart key ECU assembly)
Entry interior alarm does not sound Meter/gauge System Refer to Entry Interior Alarm does not Sound [07/2020 - 10/2022] , or refer to Entry Interior Alarm does not Sound [10/2022 - ]
Back door entry unlock function does not operate Power door lock control system Refer to Back Door Entry Unlock Function does not Operate [07/2020 - ]
Harness or connector
License plate light assembly with back door opener switch
Certification ECU (Smart key ECU assembly)
Back door entry lock and unlock function does not operate Power door lock control system Refer to Back Door Entry Lock and Unlock Functions do not Operate [07/2020 - ]
Affected by wave interference
Harness or connector
License plate light assembly with back door opener switch
Electrical key antenna (outside luggage compartment)
Certification ECU (Smart key ECU assembly)
Back door entry lock function does not operate Power door lock control system Refer to Back Door Entry Lock Function does not Operate [07/2020 - ]
Harness or connector
License plate light assembly with back door opener switch
Certification ECU (Smart key ECU assembly)
Entry unlock and unlatch functions do not operate using kick sensor*2 Check customize setting (Kick Sensor Function) Refer to Entry Unlock and Unlatch Functions do not Operate Using Kick Sensor [07/2020 - ]
Power back door system
Certification ECU (Smart key ECU assembly)
Touching unlock sensor for certain period of time does not unlock all doors Check customize setting (Door Unlock Sensor Touch Time Adjust) Refer to Touching Unlock Sensor for Certain Period of Time does not Unlock All Doors [07/2020 - ]
Power door lock control system
Certification ECU (Smart key ECU assembly)
Entry lock function does not operate using close & lock function Power back door system Refer to Entry Lock Function does not Operate Using Close & Lock Function [07/2020 - ]
Entry Exterior Alarm and Answer-back Buzzer do not Sound Check customize setting (Wireless Buzzer Response Function) Refer to Entry Exterior Alarm and Answer-back Buzzer do not Sound [07/2020 - ]
Lighting system
Harness or connector
Wireless door lock buzzer
Certification ECU (Smart key ECU assembly)
Power distribution box assembly
Main body ECU (Multiplex network body ECU)
  1. *1: w/ Rear Door Entry Function
  2. *2: w/ Hands Free Power Back Door