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 (SMART ACCESS SYSTEM WITH PUSH-BUTTON START):
| Symptom | Suspected area | Reference |
|---|---|---|
| Entry lock/unlock does not operate. | 1. Check for DTCs in the smart access system with push-button start (Starting function 2GR-FSE). | Refer to DTC CHECK / CLEAR |
| 2. Check for DTCs in the smart access system with push-button start (Starting function 4GR-FSE). | Refer to DTC CHECK / CLEAR | |
| 3. 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"). | Refer to PROBLEM SYMPTOMS TABLE | |
| 4. Courtesy light switch circuit | Refer to Door Courtesy Switch Circuit | |
| 5. Lock position switch circuit | - | |
| - Driver door | Refer to Driver Side Door UNLOCK Detection Switch Circuit | |
| - Front passenger door | Refer to Front Passenger Side Door UNLOCK Detection Switch Circuit | |
| - Rear passenger door LH | Refer to Rear Door UNLOCK Detection Switch LH Circuit | |
| - Rear passenger door RH | Refer to Rear Door UNLOCK Detection Switch RH Circuit | |
| 6. Touch sensor circuit | Refer to Touch Sensor Circuit | |
| 7. Antenna circuit | Refer to Antenna Circuit | |
| 8. Refer to "ID code matching inside the cabin cannot be performed". | - | |
| 9. Replace the door oscillator. | Refer to COMPONENTS | |
| 10. Replace the main body ECU RH. | - | |
| 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 2GR-FSE). | Refer to DTC CHECK / CLEAR |
| 2. Check for DTCs in the smart access system with push-button start (Starting function 4GR-FSE). | Refer to DTC CHECK / CLEAR | |
| 3. Check if any function is cancelled due to customization. | Refer to CUSTOMIZE PARAMETERS | |
| 4. Refer to PROBLEM SYMPTOMS TABLE of the luggage compartment door opener system ("Luggage compartment door opener does not operate"). | Refer to PROBLEM SYMPTOMS TABLE | |
| 5. Operate the luggage compartment opener switch on the electrical key to check the wireless function. | Refer to OPERATION CHECK | |
| 6. Refer to PROBLEM SYMPTOMS TABLE of the wireless door lock control system of the wireless door lock control system ("The wireless door lock control system does not operate"). | Refer to PROBLEM SYMPTOMS TABLE | |
| 7. Check operation of the cabin oscillator in diagnostic mode. | Refer to DATA LIST / ACTIVE TEST | |
| 8. Luggage oscillator circuit | Refer to Luggage Oscillator Circuit | |
| 9. Luggage compartment opener switch circuit | Refer to Luggage Compartment Door Open Switch Circuit | |
| 10. Replace the main body ECU LH. | - | |
| 11. Replace the main body ECU RH. | - | |
| 12. Replace the certification ECU. | - | |
| All entry function does not operate. | 1. Registration of the key. | Refer to REGISTRATION |
| 2. Certification ECU power source circuit | Refer to 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 2GR-FSE). | Refer to DTC CHECK / CLEAR |
| 2. Check for DTCs in the smart access system with push-button start (Starting function 4GR-FSE). | Refer to DTC CHECK / CLEAR | |
| 3. Power door lock control system | Refer to PROBLEM SYMPTOMS TABLE | |
| 4. Courtesy light switch circuit | Refer to Door Courtesy Switch Circuit | |
| 5. Lock position switch circuit | - | |
| - Driver door | Refer to Driver Side Door UNLOCK Detection Switch Circuit | |
| - Front passenger door | Refer to Front Passenger Side Door UNLOCK Detection Switch Circuit | |
| - Rear passenger door LH | Refer to Rear Door UNLOCK Detection Switch LH Circuit | |
| - Rear passenger door RH | Refer to Rear Door UNLOCK Detection Switch RH Circuit | |
| 6. Check if any function is not cancelled due to customization. | Refer to CUSTOMIZE PARAMETERS | |
| 7. Operate the LOCK/UNLOCK SW on the key to check the wireless function. | Refer to OPERATION CHECK | |
| 8. Refer to PROBLEM SYMPTOMS TABLE of the wireless door lock control system ("The wireless door lock control system does not operate"). | Refer to PROBLEM SYMPTOMS TABLE | |
| 9. Check operation of the cabin oscillator in diagnostic mode. | Refer to DATA LIST / ACTIVE TEST | |
| 10. Luggage oscillator circuit | Refer to Luggage Oscillator Circuit | |
| 11. Replace the main body ECU RH. | - | |
| 12. 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. | Refer to ON-VEHICLE INSPECTION |
| 2. Check if answer back is performed when the wireless door lock is operated. | Refer to 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. | Refer to ON-VEHICLE INSPECTION |
| 2. Check that "WIRLS BUZZ RESP" and "HAZARD ANS BACK" in the DATA LIST of the main body ECU RH is YES. (If it is NO, go to POWER DOOR LOCK CONTROL SYSTEM .) | Refer to DATA LIST / ACTIVE TEST | |
| 3. Wireless door lock tuner circuit (DTC B1242) | Refer to 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 SW on the electrical key to check the wireless function. | Refer to OPERATION CHECK |
| 2. Refer to PROBLEM SYMPTOMS TABLE of the wireless door lock control system ("Wireless door lock function"). | Refer to PROBLEM SYMPTOMS TABLE | |
| 3. Check if the electrical key reminder buzzer sounds. | Refer to 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. | Refer to CUSTOMIZE PARAMETERS |
| 2. Operate the LOCK/UNLOCK SW on the key to check the wireless function. | Refer to OPERATION CHECK | |
| 3. Refer to PROBLEM SYMPTOMS TABLE of the wireless door lock control system ("The wireless door lock control system does not operate"). | Refer to PROBLEM SYMPTOMS TABLE | |
| 4. Check the cabin oscillator operation in the diagnostic mode. | Refer to DATA LIST / ACTIVE TEST | |
| 5. Cabin oscillator circuit | Refer to Room Oscillator Circuit | |
| 6. Luggage oscillator circuit | Refer to 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. | Refer to CUSTOMIZE PARAMETERS |
| 2. Operate the LOCK/UNLOCK SW on the electrical key to check the wireless function. | Refer to OPERATION CHECK | |
| 3. Refer to PROBLEM SYMPTOMS TABLE of the wireless door lock control system ("The wireless door lock control system does not operate"). | Refer to PROBLEM SYMPTOMS TABLE | |
| 4. Check operation of each door oscillator in diagnostic mode. | Refer to DATA LIST / ACTIVE TEST | |
| 5. Door oscillator circuit | Refer to Door Oscillator Circuit | |
| Key reminder buzzer does not sound. | 1. Perform ACTIVE TEST for the combination meter. | Refer to DATA LIST / ACTIVE TEST |
| 2. Check "COURTESY SW" in the DATA LIST of the door control system. | Refer to 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. "Steering wheel cannot be locked" in this table of the steering lock system. | Refer to PROBLEM SYMPTOMS TABLE | |
| 6. Check that the "LCK BAR STUCK" item in the DATA LIST of the certification ECU displays OK. | Refer to DATA LIST / ACTIVE TEST | |
| 7. Replace the steering lock ECU. | - | |
| 8. Replace the certification ECU. | - |