Problem Symptoms Table
WARNING: This page is about a different car, the 2011 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
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.
SMART KEY SYSTEM
| Symptom | Suspected Area | See |
|---|---|---|
| All door entry lock / unlock functions and wireless functions do not operate | Power door lock control system | Refer to All Door Entry Lock/Unlock Functions and Wireless Functions do not Operate |
| Electrical key transmitter | - | |
| Transmitter battery | - | |
| Fuse (ECU-B2) | - | |
| 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 | Power door lock control system | Refer to All Door Entry Lock/Unlock Functions do not Operate, but Wireless Functions Operate |
| Electrical key transmitter | - | |
| 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 |
| Door electrical key oscillator (for driver side) | - | |
| Front door outside handle (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 | Refer to Front Passenger Side Door Entry Unlock Function does not Operate |
| Door electrical key oscillator (for front passenger side) | - | |
| Front door outside handle (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 | Refer to Driver Side Door Entry Lock and Unlock Functions do not Operate |
| Door electrical key oscillator (for driver side) | - | |
| Front door outside handle (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 | Refer to Front Passenger Side Door Entry Lock and Unlock Functions do not Operate |
| Door electrical key oscillator (for front passenger side) | - | |
| Front door outside handle (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 | Refer to Driver Side Door Entry Lock Function does not Operate |
| Door electrical key oscillator (for driver side) | - | |
| Front door outside handle (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 | Refer to Front Passenger Side Door Entry Lock Function does not Operate |
| Door electrical key oscillator (for front passenger side) | - | |
| Front door outside handle (for front passenger side) | - | |
| Certification ECU (smart key ECU assembly) | - | |
| Wire harness or connector | - | |
| Room oscillator does not recognize key | Indoor electrical key oscillator (for front) | Refer to Room Oscillator does not Recognize Key |
| Indoor electrical key oscillator (for rear) | - | |
| Certification ECU (smart key ECU assembly) | - | |
| Wire harness or connector | - | |
| Electrical key transmitter | - | |
| Luggage compartment door entry unlock function does not operate when key is outside luggage compartment | Outside electrical key oscillator (for luggage compartment) | Refer to Luggage Compartment Door Entry Unlock Function does not Operate when Key is Outside Luggage Compartment |
| Luggage compartment door opener outer switch | - | |
| Luggage compartment door lock assembly | - | |
| Wire harness or connector | - | |
| Certification ECU (smart key ECU assembly) | - | |
| Key luggage compartment lock-in prevention function does not operate | Indoor electrical key oscillator (for luggage compartment) | Refer to Key Luggage Compartment Lock-in Prevention Function does not Operate |
| Certification ECU (smart key ECU assembly) | - | |
| Wire harness or connector | - | |
| Entry interior alarm does not sound | Meter / Gauge system | Refer to Entry Interior Alarm does not Sound |
| Certification ECU (smart key ECU assembly) | - | |
| Entry answer-back does not occur | Wireless door lock control system | Refer to Entry Answer-back Buzzer does not Sound |
| Certification ECU (smart key ECU assembly) | - |