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.
| Symptom | Suspected Area | See page |
|---|---|---|
| All Door Entry Lock/Unlock Functions and Wireless Functions do not Operate | Power door lock control system | |
| Electrical key transmitter | - | |
| Transmitter battery | - | |
| Door control receiver | - | |
| Certification ECU (smart key ECU assembly) | - | |
| Harness or connector | - | |
| All Door Entry Lock/Unlock Functions do not Operate, but Wireless Functions Operate | Electrical key transmitter | |
| Certification ECU (smart key ECU assembly) | - | |
| All door entry lock/unlock functions do not operate using the key (for card type), but operate using the keys (for standard)*1 | Key battery | |
| Key (for Card Type) | - | |
| Driver Door Entry Unlock Function does not Operate | Power door lock control system | |
| Front door outside handle assembly (for driver door) | - | |
| Certification ECU (smart key ECU assembly) | - | |
| Harness or connector | - | |
| Front Passenger Door Entry Unlock Function does not Operate | Power door lock control system | |
| Front door outside handle assembly (for front passenger door) | - | |
| Certification ECU (smart key ECU assembly) | - | |
| Harness or connector | - | |
| Driver Door Entry Lock and Unlock Functions do not Operate | Power door lock control system | |
| Front door outside handle assembly (for driver door) | - | |
| Certification ECU (smart key ECU assembly) | - | |
| Harness or connector | - | |
| Front Passenger Door Entry Lock and Unlock Functions do not Operate | Power door lock control system | |
| Front door outside handle assembly (for front passenger door) | - | |
| Certification ECU (smart key ECU assembly) | - | |
| Harness or connector | - | |
| Driver Door Entry Lock Function does not Operate | Power door lock control system | |
| Front door outside handle assembly (for driver door) | - | |
| Certification ECU (smart key ECU assembly) | - | |
| Harness or connector | - | |
| Front Passenger Door Entry Lock Function does not Operate | Power door lock control system | |
| Front door outside handle assembly (for front passenger door) | - | |
| Certification ECU (smart key ECU assembly) | - | |
| Harness or connector | - | |
| Room Oscillator does not Recognize Key | Entry and start system (for Start Function) | |
| No. 1 indoor electrical key antenna (front floor) | - | |
| No. 2 indoor electrical key antenna (rear floor) | - | |
| No. 3 indoor electrical key antenna (inside luggage) | - | |
| Certification ECU (smart key ECU assembly) | - | |
| Harness or connector | - | |
| Electrical key transmitter | - | |
| Entry Interior Alarm does not Sound | Meter/gauge system | |
| Certification ECU (smart key ECU assembly) | - | |
| Back Door Entry Unlock Function does not Operate | Power door lock control system | |
| Back door opener switch assembly | - | |
| Certification ECU (smart key ECU assembly) | - | |
| Harness or connector | - | |
| Back Door Entry Lock and Unlock Functions do not Operate | Power door lock control system | |
| Electrical key antenna (outside luggage) | - | |
| Certification ECU (smart key ECU assembly) | - | |
| Harness or connector | - | |
| Back Door Entry Lock Function does not Operate | Power door lock control system | |
| Back door opener switch assembly | - | |
| Certification ECU (smart key ECU assembly) | - | |
| Harness or connector | - | |
| Entry Answer-back Buzzer does not Sound*2 | Wireless door lock control system | |
| Certification ECU (smart key ECU assembly) | - |
*1: w/ Key (for Card Type)
*2: w/ Wireless Buzzer Answer Back Function