Problem Symptoms Table
HINT:
- Use the table below to help determine the cause of the problem symptom. 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.
SMART KEY SYSTEM:
| Symptom | Suspected Area | Reference |
|---|---|---|
| Entry answer-back does not occur | ECU aggregation box (certification ECU) | Refer to Wireless Door Lock Buzzer Does not Sound |
| Wireless door lock buzzer | Refer to Wireless Door Lock Buzzer Does not Sound | |
| Wire harness | Refer to Wireless Door Lock Buzzer Does not Sound | |
| Entry lock and unlock functions do not operate on all doors | Wireless door lock function | Refer to All Door Entry Lock and Unlock Functions do not Operate |
| ECU aggregation box (certification ECU) | Refer to All Door Entry Lock and Unlock Functions do not Operate | |
| Electrical key | Refer to All Door Entry Lock and Unlock Functions do not Operate | |
| Wire harness | Refer to All Door Entry Lock and Unlock Functions do not Operate | |
| Entry unlock function does not operate on driver side door | Power door lock control system | Refer to Driver Side Door Entry Unlock Function does not Operate |
| Door electrical key cylinder (for driver side) | Refer to Driver Side Door Entry Unlock Function does not Operate | |
| Front door handle outside (for driver side) | Refer to Driver Side Door Entry Unlock Function does not Operate | |
| ECU aggregation box (certification ECU) | Refer to Driver Side Door Entry Unlock Function does not Operate | |
| Instrument panel junction block (main body ECU) | Refer to Driver Side Door Entry Unlock Function does not Operate | |
| Wire harness | Refer to Driver Side Door Entry Unlock Function does not Operate | |
| Entry unlock function does not operate on front passenger side door | Power door lock control system | Refer to Front Passenger Side Door Entry Unlock Function does not Operate |
| Door electrical key cylinder (for passenger side) | Refer to Front Passenger Side Door Entry Unlock Function does not Operate | |
| Front door handle outside (for passenger side) | Refer to Front Passenger Side Door Entry Unlock Function does not Operate | |
| ECU aggregation box (certification ECU) | Refer to Front Passenger Side Door Entry Unlock Function does not Operate | |
| Instrument panel junction block (main body ECU) | Refer to Front Passenger Side Door Entry Unlock Function does not Operate | |
| Wire harness | Refer to Front Passenger Side Door Entry Unlock Function does not Operate | |
| Entry lock and unlock functions do not operate on driver side door | Power door lock control system | Refer to Driver Side Door Entry Lock and Unlock Functions do not Operate |
| Wireless door lock control system | Refer to Driver Side Door Entry Lock and Unlock Functions do not Operate | |
| Door electrical key oscillator (for driver side) | Refer to Driver Side Door Entry Lock and Unlock Functions do not Operate | |
| ECU aggregation box (certification ECU) | Refer to Driver Side Door Entry Lock and Unlock Functions do not Operate | |
| Instrument panel junction block (main body ECU) | Refer to Driver Side Door Entry Lock and Unlock Functions do not Operate | |
| Wire harness | Refer to Driver Side Door Entry Lock and Unlock Functions do not Operate | |
| Entry lock and unlock functions do not operate on front passenger side door | Power door lock control system | Refer to Front Passenger Side Door Entry Lock and Unlock Functions do not Operate |
| Wireless door lock control system | Refer to Front Passenger Side Door Entry Lock and Unlock Functions do not Operate | |
| Door electrical key oscillator (for passenger side) | Refer to Front Passenger Side Door Entry Lock and Unlock Functions do not Operate | |
| ECU aggregation box (certification ECU) | Refer to Front Passenger Side Door Entry Lock and Unlock Functions do not Operate | |
| Instrument panel junction block (main body ECU) | Refer to Front Passenger Side Door Entry Lock and Unlock Functions do not Operate | |
| Wire harness | Refer to Front Passenger Side Door Entry Lock and Unlock Functions do not Operate | |
| Entry lock function does not operate on driver side door | Power door lock control system | Refer to Driver Side Door Entry Lock Function does not Operate |
| Wireless door lock control system | Refer to Driver Side Door Entry Lock Function does not Operate | |
| Front handle outside (for driver side) | Refer to Driver Side Door Entry Lock Function does not Operate | |
| ECU aggregation box (certification ECU) | Refer to Driver Side Door Entry Lock Function does not Operate | |
| Instrument panel junction block (main body ECU) | Refer to Driver Side Door Entry Lock Function does not Operate | |
| Wire harness | Refer to Driver Side Door Entry Lock Function does not Operate | |
| Entry lock function does not operate on front passenger side door | Power door lock control system | Refer to Front Passenger Side Door Entry Lock Function does not Operate |
| Wireless door lock control system | Refer to Front Passenger Side Door Entry Lock Function does not Operate | |
| Front door handle outside (for passenger side) | Refer to Front Passenger Side Door Entry Lock Function does not Operate | |
| ECU aggregation box (certification ECU) | Refer to Front Passenger Side Door Entry Lock Function does not Operate | |
| Instrument panel junction block (main body ECU) | Refer to Front Passenger Side Door Entry Lock Function does not Operate | |
| Wire harness | Refer to Front Passenger Side Door Entry Lock Function does not Operate | |
| 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) | Refer to Room Oscillator does not Recognize Key | |
| ECU aggregation box (certification ECU) | Refer to Room Oscillator does not Recognize Key | |
| Electrical key | Refer to Room Oscillator does not Recognize Key | |
| Wire harness | Refer to Room Oscillator does not Recognize Key | |
| Entry interior alarm does not sound | Combination meter | Refer to Entry Interior Alarm does not Sound |
| ECU aggregation box (certification ECU) | Refer to Entry Interior Alarm does not Sound | |
| Entry functions do not operate at all | Wireless door lock control system | Refer to PROBLEM SYMPTOMS TABLE |
| ECU aggregation box (certification ECU) | Refer to Entry Functions do not Operate at All | |
| Back door entry unlock function does not operate | Power door lock control system | Refer to Back Door Entry Unlock Function does not Operate |
| Wireless door lock control system | Refer to Back Door Entry Unlock Function does not Operate | |
| Back door outside handle (back door lock switch) | Refer to Back Door Entry Unlock Function does not Operate | |
| ECU aggregation box (certification ECU) | Refer to Back Door Entry Unlock Function does not Operate | |
| Instrument panel junction block (main body ECU) | Refer to Back Door Entry Unlock Function does not Operate | |
| Wire harness | Refer to Back Door Entry Unlock Function does not Operate | |
| Back door entry lock function does not operate | Power door lock control system | Refer to Back Door Entry Lock and Unlock Functions do not Operate |
| Wireless door lock control system | Refer to Back Door Entry Lock and Unlock Functions do not Operate | |
| Back door outside handle (back door lock switch) | Refer to Back Door Entry Lock and Unlock Functions do not Operate | |
| ECU aggregation box (certification ECU) | Refer to Back Door Entry Lock and Unlock Functions do not Operate | |
| Instrument panel junction block (main body ECU) | Refer to Back Door Entry Lock and Unlock Functions do not Operate | |
| Wire harness | Refer to Back Door Entry Lock and Unlock Functions do not Operate | |
| Back door entry lock and unlock functions do not operate | Power door lock control system | Refer to Back Door Entry Lock Function does not Operate |
| Wireless door lock control system | Refer to Back Door Entry Lock Function does not Operate | |
| Door electrical key oscillator (for back door) | Refer to Back Door Entry Lock Function does not Operate | |
| ECU aggregation box (certification ECU) | Refer to Back Door Entry Lock Function does not Operate | |
| Instrument panel junction block (main body ECU) | Refer to Back Door Entry Lock Function does not Operate | |
| Wire harness | Refer to Back Door Entry Lock Function does not Operate |