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.

Smart Entry and Start System
Symptom Suspected Area See page
Entry answer-back buzzer does not sound Wireless door lock buzzer

Click here

Wire harness or connector -
Main body ECU -
Instrument panel junction block -
Certification ECU -
All door entry lock/unlock functions and wireless functions do not operate Power door lock control system

Click here

Key -
Key battery -
ECU-B NO. 1 fuse -
IMMOBI fuse -
Wire harness or connector -
Door control receiver -
Certification ECU -
All door entry lock/unlock functions do not operate, but wireless functions operate Key

Click here

Certification ECU -
Front passenger side door entry unlock function does not operate Power door lock control system

Click here

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

Click here

Indoor electrical key oscillator (rear side) -
Certification ECU -
Wire harness or connector -
Entry interior alarm does not sound Meter/gauge system

Click here

Certification ECU -
Back Door Entry Unlock Function does not Operate Power door lock control system

Click here

Outside electrical key oscillator (outside luggage) -
Back door outside handle -
Certification ECU -
Wire harness or connector -
Back Door Entry Lock and Unlock Functions do not Operate Power door lock control system

Click here

Outside electrical key oscillator (outside luggage) -
Certification ECU -
Back door outside handle -
Wire harness or connector -
Back Door Entry Lock Function does not Operate Power door lock control system

Click here

Back door outside handle -
Certification ECU -
Wire harness or connector -