ENTRY AND START SYSTEM(for Entry Function) PROBLEM SYMPTOMS TABLE

Tech Tips


  • 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.

Entry and Start System (for Entry Function)
Symptom Suspected Area See page
Wireless Door Lock Buzzer does not Sound Wireless door lock buzzer

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Wire harness or connector -
Main body ECU (network gateway ECU) -
Instrument panel junction block assembly -
Certification ECU (smart key ECU assembly) -
All Door Entry Lock/Unlock Functions and Wireless Functions do not Operate Power door lock control system

Click here

Electrical key transmitter sub-assembly -
Transmitter battery -
Wire harness or connector -
Door control receiver -
Certification ECU (smart key ECU assembly) -
All Door Entry Lock/Unlock Functions do not Operate, but Wireless Functions Operate Electrical key transmitter sub-assembly

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Certification ECU (smart key ECU assembly) -
Driver Side Door Entry Unlock Function does not Operate Power door lock control system

Click here

Front door outside handle assembly (for driver side) -
Certification ECU (smart key ECU assembly) -
Wire harness or connector -
Front Passenger Side Door Entry Unlock Function does not Operate Power door lock control system

Click here

Front door outside handle assembly (for front passenger side) -
Certification ECU (smart key ECU assembly) -
Wire harness or connector -
Driver Side Door Entry Lock and Unlock Function does not Operate Power door lock control system

Click here

Front door outside handle assembly (for driver side) -
Certification ECU (smart key ECU assembly) -
Wire harness or connector -
Front Passenger Side Door Entry Lock and Unlock Function does not Operate Power door lock control system

Click here

Front door outside handle assembly (for front passenger side) -
Certification ECU (smart key ECU assembly) -
Wire harness or connector -
Driver Side Door Entry Lock Function does not Operate Power door lock control system

Click here

Front door outside handle assembly (for driver side) -
Certification ECU (smart key ECU assembly) -
Wire harness or connector -
Front Passenger Side Door Entry Lock Function does not Operate Power door lock control system

Click here

Front door outside handle assembly (for front passenger side) -
Certification ECU (smart key ECU assembly) -
Wire harness or connector -
Room Oscillator does not Recognize Key Indoor electrical key oscillator (front floor)

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No. 2 indoor electrical key oscillator (rear floor) -
Certification ECU (smart key ECU assembly) -
Wire harness or connector -
Luggage Compartment Door Entry Unlock Function does not Operate when Key is Outside Luggage Compartment Power door lock control system

Click here

Electrical key antenna (outside luggage) -
Back door opener switch assembly -
Certification ECU (smart key ECU assembly) -
Wire harness or connector -
Key Luggage Compartment Lock-in Prevention Function does not Operate Power door lock control system

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Electrical key antenna (outside luggage) -
Certification ECU (smart key ECU assembly) -
Wire harness or connector -
Entry Interior Alarm does not Sound Meter/gauge system

Click here

Certification ECU (smart key ECU assembly) -