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 | ||
| Entry and start system (for Start Function) | ||
| Harness or connector | ||
| Door control receiver | ||
| Certification ECU | ||
| All Door Entry Lock/Unlock Functions do not Operate, but Wireless Functions Operate | Power door lock control system | |
| Electrical key transmitter | ||
| Certification ECU | ||
| Driver Side Door Entry Unlock Function does not Operate | Power door lock control system | |
| Front door outside handle assembly (for Driver side) | ||
| Certification ECU | ||
| Harness or connector | ||
| Front Passenger Side Door Entry Unlock Function does not Operate | Power door lock control system | |
| Front door outside handle assembly (for Front passenger side) | ||
| Certification ECU | ||
| Harness or connector | ||
| Driver Side Door Entry Lock and Unlock Functions do not Operate | Power door lock control system | |
| Front door outside handle assembly (for Driver side) | ||
| Certification ECU | ||
| Harness or connector | ||
| Front Passenger Side Door Entry Lock and Unlock Functions do not Operate | Power door lock control system | |
| Front door outside handle assembly (for Front passenger side) | ||
| Certification ECU | ||
| Harness or connector | ||
| Driver Side Door Entry Lock Function does not Operate | Power door lock control system | |
| Front door outside handle assembly (for Driver side) | ||
| Certification ECU | ||
| Harness or connector | ||
| Front Passenger Side Door Entry Lock Function does not Operate | Power door lock control system | |
| Front door outside handle assembly (for Front passenger side) | ||
| Certification ECU | ||
| Harness or connector | ||
| Room Oscillator does not Recognize Key | Indoor electrical key oscillator (for front floor) | |
| Indoor electrical key oscillator (for rear floor) | ||
| Indoor electrical key oscillator (for inside luggage)*1 | ||
| Power management control ECU | ||
| Certification ECU | ||
| Harness or connector | ||
| Electrical key transmitter | ||
| Transmitter battery | ||
| Engine switch | ||
| Entry Interior Alarm does not Sound | Meter / gauge system | |
| Certification ECU | ||
| Back Door Entry Unlock Function does not Operate*1 | Power door lock control system | |
| Back door opener switch | ||
| Harness or connector | ||
| Certification ECU | ||
| Back Door Entry Lock and Unlock Functions do not Operate*1 | Power door lock control system | |
| Outside electrical key oscillator (for outside luggage) | ||
| Certification ECU | ||
| Harness or connector | ||
| Back Door Entry Lock Function does not Operate*1 | Power door lock control system | |
| Back door opener switch | ||
| Certification ECU | ||
| Harness or connector | ||
| Luggage compartment door entry unlock function does not operate when key is outside luggage compartment*2 | Luggage compartment door opener system | |
| Outside electrical key oscillator (for outside luggage) | ||
| Luggage compartment door opener switch | ||
| Certification ECU | ||
| Harness or connector | ||
| Key luggage compartment lock-in prevention function does not operate*2 | Indoor electrical key oscillator (for inside luggage) | |
| Certification ECU | ||
| Harness or connector |
*1: for Wagon
*2: for Sedan