Problem Symptoms Table
HINT:
- Use the table below to help determine the cause of the problem symptoms. 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 (ENTRY):
PROBLEM SYMPTOMS REFERENCE
| Symptom | Suspected Area | See |
|---|---|---|
| Entry lock/unlock does not operate. | 1. Check for DTCs in the smart access system with push-button start (Starting function). | DIAGNOSTIC TROUBLE CODE CHART |
| 2. Refer to PROBLEM SYMPTOMS TABLE of the power door lock control system ("All doors cannot be locked/unlocked simultaneously by neither door control switch nor door key cylinder"). | PROBLEM SYMPTOMS TABLE | |
| 3. Courtesy light switch circuit | DOOR COURTESY SWITCH CIRCUIT | |
| 4. Lock position switch circuit | - | |
|
DRIVER SIDE DOOR UNLOCK DETECTION SWITCH CIRCUIT | |
|
FRONT PASSENGER SIDE DOOR UNLOCK DETECTION SWITCH CIRCUIT | |
|
REAR DOOR UNLOCK DETECTION SWITCH LH CIRCUIT | |
|
REAR DOOR UNLOCK DETECTION SWITCH RH CIRCUIT | |
| 5. Entry lock switch circuit | ENTRY LOCK SWITCH CIRCUIT | |
| 6. Touch sensor circuit | TOUCH SENSOR CIRCUIT | |
| 7. Antenna circuit | ANTENNA CIRCUIT | |
| 8. Refer to "ID code matching inside the cabin cannot be performed". | - | |
| 9. Door oscillator circuit | DOOR OSCILLATOR CIRCUIT | |
| 10. Replace the main body ECU. | - | |
| 11. Replace the certification ECU. | - | |
| Luggage compartment does not open (when the electrical key is outside the vehicle). | 1. Check for DTCs in the smart access system with push-button start (Starting function). | DIAGNOSTIC TROUBLE CODE CHART |
| 2. Check if any function is cancelled due to customization. | CUSTOMIZE PARAMETERS | |
| 3. Refer to PROBLEM SYMPTOM TABLE of the luggage compartment door opener system ("Luggage compartment door opener does not operate"). | PROBLEM SYMPTOMS TABLE | |
| 4. Operate the luggage compartment opener switch on the electrical key to check the wireless function. | OPERATION CHECK | |
| 5. Refer to PROBLEM SYMPTOMS TABLE of the wireless door lock control system ("The wireless door lock control system does not operate"). | PROBLEM SYMPTOMS TABLE | |
| 6. Check operation of the cabin oscillator in ACTIVE TEST. | DATA LIST / ACTIVE TEST | |
| 7. Luggage oscillator circuit | LUGGAGE OSCILLATOR CIRCUIT | |
| 8. Luggage compartment door open switch circuit | LUGGAGE COMPARTMENT DOOR OPEN SWITCH CIRCUIT | |
| 9. Replace the main body ECU. | - | |
| 10. Replace the certification ECU. | - | |
| All entry function does not operate. | 1. Registration of the key. | REGISTRATION |
| 2. Certification ECU power source circuit | CERTIFICATION ECU POWER SOURCE CIRCUIT | |
| 3. Replace certification ECU. | - | |
| Function to prevent electrical key confinement in the luggage compartment does not operate. (The luggage compartment does not open.) | 1. Check for DTCs in the smart access system with push-button start (Starting function). | DIAGNOSTIC TROUBLE CODE CHART |
| 2. Power door lock control system | PROBLEM SYMPTOMS TABLE | |
| 3. Courtesy light switch circuit | DOOR COURTESY SWITCH CIRCUIT | |
| 4. Lock position switch circuit | - | |
|
DRIVER SIDE DOOR UNLOCK DETECTION SWITCH CIRCUIT | |
|
FRONT PASSENGER SIDE DOOR UNLOCK DETECTION SWITCH CIRCUIT | |
|
REAR DOOR UNLOCK DETECTION SWITCH LH CIRCUIT | |
|
REAR DOOR UNLOCK DETECTION SWITCH RH CIRCUIT | |
| 5. Check if any function is not cancelled due to customization. | CUSTOMIZE PARAMETERS | |
| 6. Operate the LOCK/UNLOCK switch on the key to check the wireless function. | OPERATION CHECK | |
| 7. Refer to PROBLEM SYMPTOMS TABLE of the wireless door lock control system ("The wireless door lock control system does not operate"). | PROBLEM SYMPTOMS TABLE | |
| 8. Check operation of the cabin oscillator in ACTIVE TEST. | DATA LIST / ACTIVE TEST | |
| 9. Luggage oscillator circuit | LUGGAGE OSCILLATOR CIRCUIT | |
| 10. Replace the main body ECU. | - | |
| 11. Replace the certification ECU. | - | |
| Function to prevent electrical key confinement in the luggage compartment does not operate. (The alarm does not sound.) | 1. Check if the function to prevent electrical key confinement in the luggage compartment operates. | ON-VEHICLE INSPECTION |
| 2. Check if answer back is performed when the wireless door lock is operated. | OPERATION CHECK | |
| 3. Replace the certification ECU. | - | |
| The outside alarm of the answer back and entry systems does not sound. | 1. Check if the function to prevent electrical key confinement in the luggage compartment operates. | ON-VEHICLE INSPECTION |
| 2. Check that "WIRELESS BUZZER" and "HAZARD" in the ACTIVE TEST are YES. (If it is NO, go to wireless door lock system.) | DATA LIST / ACTIVE TEST | |
| 3. Wireless door lock tuner circuit (DTC B1242) | DTC B1242 Wireless Door Lock Tuner Circuit Malfunction | |
| 4. Replace the certification ECU. | - | |
| The inside alarm of the entry system does not sound. | 1. Operate the LOCK/UNLOCK switch on the electrical key to check the wireless function. | OPERATION CHECK |
| 2. Refer to PROBLEM SYMPTOMS TABLE of the wireless door lock control system ("Wireless door lock function"). | PROBLEM SYMPTOMS TABLE | |
| 3. Check if the electrical key reminder buzzer sounds. | ON-VEHICLE INSPECTION | |
| 4. Replace the certification ECU. | - | |
| ID code matching inside the cabin cannot be performed. | 1. Check if any function is cancelled due to customization. | CUSTOMIZE PARAMETERS |
| 2. Operate the LOCK/UNLOCK switch on the key to check the wireless function. | OPERATION CHECK | |
| 3. Refer to PROBLEM SYMPTOMS TABLE of the wireless door lock control system ("The wireless door lock control system does not operate"). | PROBLEM SYMPTOMS TABLE | |
| 4. Check the cabin oscillator operation in the ACTIVE TEST. | DATA LIST / ACTIVE TEST | |
| 5. Room oscillator circuit | ROOM OSCILLATOR CIRCUIT | |
| 6. Luggage oscillator circuit | LUGGAGE OSCILLATOR CIRCUIT | |
| 7. Replace the certification ECU. | - | |
| ID code matching outside the cabin cannot be performed. | 1. Check if any function is cancelled due to customization. | CUSTOMIZE PARAMETERS |
| 2. Operate the LOCK/UNLOCK switch on the electrical key to check the wireless function. | OPERATION CHECK | |
| 3. Refer to PROBLEM SYMPTOMS TABLE of the wireless door lock control system ("The wireless door lock control system does not operate"). | PROBLEM SYMPTOMS TABLE | |
| 4. Check operation of each door oscillator in ACTIVE TEST. | DATA LIST / ACTIVE TEST | |
| 5. Door oscillator circuit | DOOR OSCILLATOR CIRCUIT | |
| 6. Normal | - | |
| Key reminder buzzer does not sound. | 1. Perform ACTIVE TEST for the combination meter. | DATA LIST / ACTIVE TEST |
| 2. Check "COURTESY SW" in the DATA LIST of the door control system. | DATA LIST / ACTIVE TEST | |
| 3. Check the key reminder buzzer when the engine switch is on (ACC) and the drivers door is opened. | - | |
| 4. Check if the steering wheel is locked when all power supplies are OFF and the drivers door is opened. | - | |
| 5. Refer to PROBLEM SYMPTOMS TABLE of the steering lock system ("Steering wheel cannot be locked"). | PROBLEM SYMPTOMS TABLE | |
| 6. Check that the "LCK BAR STUCK" item in the DATA LIST of the certification ECU displays OK. | DTC CHECK / CLEAR | |
| 7. Replace the steering lock ECU. | - | |
| 8. Replace the certification ECU. | - |