Tech Tips
Use the table below to help determine the cause of a problem. The likely causes of the problem are indicated in descending order. Check each suspected area in order. Repair or replace faulty parts or perform adjustments as necessary.
| 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 | - | |
| Electrical key transmitter battery | - | |
| Fuse (EFI-NO. 1) | - | |
| 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 | Electrical key transmitter | |
| Certification ECU (Smart key ECU assembly) | - | |
| Driver side door entry unlock function does not operate | Power door lock control system | |
| 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 | |
| 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 functions do not operate | Power door lock control system | |
| 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 functions do not operate | Power door lock control system | |
| 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 | |
| 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 | |
| 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) | |
| Indoor electrical key oscillator (for center) | - | |
| Indoor electrical key oscillator (for rear) | - | |
| Certification ECU (Smart key ECU assembly) | - | |
| Wire harness or connector | - | |
| Entry interior alarm does not sound | Combination meter | |
| Certification ECU (Smart key ECU assembly) | - | |
| Entry answer-back does not occur (Buzzer) (*1) | Wireless door lock control system | |
| Certification ECU (Smart key ECU assembly) | - | |
| Entry answer-back does not occur (Hazard warning light) | Wireless door lock control system | |
| Entry glass hatch open function does not operate | Glass hatch opener system | |
| Back door entry lock function does not operate | Power door lock control system | |
| Back door opener switch | - | |
| Certification ECU (Smart key ECU assembly) | - | |
| Wire harness or connector | - | |
| Back door entry lock and unlock functions do not operate | Power door lock control system | |
| Outside electrical key oscillator (for back door) | - | |
| Certification ECU (Smart key ECU assembly) | - | |
| Wire harness or connector | - |
Tech Tips
*1: for RHD