Problem Symptoms Table
WARNING: This page is about a different car, the 2013 Toyota Land Cruiser. 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.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
SMART KEY SYSTEM
| Symptom | Suspected Area | See |
|---|---|---|
| Entry Answer-back Buzzer does not Sound | Wireless door lock control system | Refer to Entry Answer-back Buzzer does not Sound |
| Certification ECU (Smart key ECU assembly) | - | |
| 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 |
| Door control transmitter | - | |
| Transmitter battery | - | |
| Fuse (IMB) | - | |
| 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 | Door control transmitter | Refer to All Door Entry Lock/Unlock Functions do not Operate, but Wireless Functions Operate |
| 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 | - | |
| Front door outside handle assembly LH | - | |
| Certification ECU (Smart key ECU assembly) | - | |
| 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 | - | |
| Front door outside handle assembly RH | - | |
| Certification ECU (Smart key ECU assembly) | - | |
| Harness or connector | - | |
| Rear Door LH Entry Unlock Function does not Operate | Power door lock control system | Refer to Rear Door LH Entry Unlock Function does not Operate |
| Door electrical key oscillator | - | |
| Rear door outside handle assembly LH | - | |
| Certification ECU (Smart key ECU assembly) | - | |
| Harness or connector | - | |
| Rear Door RH Entry Unlock Function does not Operate | Power door lock control system | Refer to Rear Door RH Entry Unlock Function does not Operate |
| Door electrical key oscillator | - | |
| Rear door outside handle assembly RH | - | |
| Certification ECU (Smart key ECU assembly) | - | |
| Harness or connector | - | |
| Driver Side Door Entry Lock and Unlock Function do not Operate | Power door lock control system | Refer to Driver Side Door Entry Lock and Unlock Functions do not Operate |
| Door electrical key oscillator | - | |
| Front door outside handle assembly LH | - | |
| Certification ECU (Smart key ECU assembly) | - | |
| Harness or connector | - | |
| Front Passenger Side Door Entry Lock and Unlock Function do 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 | - | |
| Front door outside handle assembly RH | - | |
| Certification ECU (Smart key ECU assembly) | - | |
| Harness or connector | - | |
| Rear Door LH Entry Lock and Unlock Function do not Operate | Power door lock control system | Refer to Rear Door LH Entry Lock and Unlock Functions do not Operate |
| Door electrical key oscillator | - | |
| Rear door outside handle assembly LH | - | |
| Certification ECU (Smart key ECU assembly) | - | |
| Harness or connector | - | |
| Rear Door RH Entry Lock and Unlock Function do not Operate | Power door lock control system | Refer to Rear Door RH Entry Lock and Unlock Functions do not Operate |
| Door electrical key oscillator | - | |
| Rear door outside handle assembly RH | - | |
| Certification ECU (Smart key ECU assembly) | - | |
| 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 | - | |
| Front door outside handle assembly LH | - | |
| Certification ECU (Smart key ECU assembly) | - | |
| 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 | - | |
| Front door outside handle assembly RH | - | |
| Certification ECU (Smart key ECU assembly) | - | |
| Harness or connector | - | |
| Rear Door LH Entry Lock Function does not Operate | Power door lock control system | Refer to Rear Door LH Entry Lock Function does not Operate |
| Door electrical key oscillator | - | |
| Rear door outside handle assembly LH | - | |
| Certification ECU (Smart key ECU assembly) | - | |
| Harness or connector | - | |
| Rear Door RH Entry Lock Function does not Operate | Power door lock control system | Refer to Rear Door RH Entry Lock Function does not Operate |
| Door electrical key oscillator | - | |
| Rear door outside handle assembly RH | - | |
| Certification ECU (Smart key ECU assembly) | - | |
| Harness or connector | - | |
| Room Oscillator does not Recognize Key | Indoor electrical key antenna (for front floor) | Refer to Room Oscillator does not Recognize Key |
| Indoor electrical key antenna (for rear 1 floor) | - | |
| Indoor electrical key antenna (for rear 2 floor) | - | |
| Certification ECU (Smart key ECU assembly) | - | |
| Harness or connector | - | |
| Door control transmitter | - | |
| Entry Interior Alarm does not Sound | Combination meter | Refer to Entry Interior Alarm does not Sound |
| Certification ECU (Smart key ECU assembly) | - | |
| Back Door Entry Unlock Function does not Operate | Power door lock control system | Refer to Back Door Entry Unlock Function does not Operate |
| Back door opener switch | - | |
| Back door electrical key antenna (for outer) | - | |
| Main body ECU | - | |
| Harness or connector | - | |
| Certification ECU (Smart key ECU assembly) | - | |
| Back Door Entry Lock and Unlock Functions do not Operate | Power door lock control system | Refer to Back Door Entry Lock and Unlock Functions do not Operate |
| Back door opener switch | - | |
| Back door electrical key antenna (for outer) | - | |
| Main body ECU | - | |
| Certification ECU (Smart key ECU assembly) | - | |
| Harness or connector | - | |
| Back Door Entry Lock Function does not Operate | Power door lock control system | Refer to Back Door Entry Lock Function does not Operate |
| Back door electrical key antenna (for outer) | - | |
| Certification ECU (Smart key ECU assembly) | - | |
| Main body ECU | - | |
| Harness or connector | - |