Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Telematics System.
When replacing the telematics transceiver, make sure to replace it with a new one.
Before replacing the telematics transceiver, refer to Service Bulletin.
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 | Link |
|---|---|---|
| The indicator lights on the emergency call switch panel do not come on when the ignition switch is turned to ON | Check that TOYOTA Connect contract and procedure to start the emergency call service have been completed successfully | - |
| Illumination on the emergency call switch panel does not turn on | Proceed to "Emergency Call Switch Illumination Circuit" | 202201,999999,_56,_115231,_0512170,RM1000000020HEC,
|
| The red indicator light on the emergency call switch panel comes on after the ignition switch is turned to ON | The vehicle is outside the communication service area. Move the vehicle into a communication service area | - |
| The red indicator light on the emergency call switch panel blinks after the ignition switch is turned to ON | Check for DTCs | - |
| Check for RoBs | 202307,999999,_56,_115231,_0512170,RM100000002CXBB,
|
|
| Perform a manual maintenance check. If it does not complete normally, refer to the symptom "The TOYOTA Connect Center cannot be accessed even after a manual maintenance check is performed" | - | |
| Turning the ignition switch to ON causes a manual maintenance check to start | Proceed to "B15C511" | 202201,999999,_56,_115231,_0512170,RM1000000020HE8,B15C511
|
| Symptom | Suspected Area | Link |
|---|---|---|
| The TOYOTA Connect Center cannot be accessed even after a manual maintenance check is performed | Check that the TOYOTA Connect service is available | - |
| Proceed to "Telematics Transceiver Malfunction" | 202201,999999,_56,_115231,_0512170,RM1000000020HEB,
|
|
| The automatic maintenance check does not complete normally | Perform a manual maintenance check. If it does not complete normally, refer to the symptom "The TOYOTA Connect Center cannot be accessed even after a manual maintenance check is performed" | - |
| The TOYOTA Connect Center cannot be accessed by pressing the emergency call switch | Perform a manual maintenance check. If it does not complete normally, refer to the symptom "The TOYOTA Connect Center cannot be accessed even after a manual maintenance check is performed" | - |
| Symptom | Suspected Area | Link |
|---|---|---|
| When the theft deterrent system is activated, the TOYOTA Connect Center is not informed of the alarm | Proceed to "Alarm Notification Function Malfunction" | 202201,999999,_56,_115231,_0512170,RM1000000020HED,
|
| Symptom | Suspected Area | Link |
|---|---|---|
| Does not recognize voice commands performed to contact support center | Check that the TOYOTA Connect service is available | - |
| Check if the normal voice recognition function is operating correctly | 202307,999999,_56,_111967,_0588532,RM100000002BKYF,
|
|
| Proceed to "Does not Recognize Voice Commands Performed to Contact Support Center" | 202201,999999,_56,_115231,_0512170,RM1000000020HEN,
|
| Symptom | Suspected Area | Link |
|---|---|---|
| The specific remote service cannot be used | After connecting the GTS, communication function pausing mode may be set. Cancel communication function pausing mode using the GTS. | 202201,999999,_56,_115231,_0512170,RM1000000020HEM,
|
| Symptom | Suspected Area | Link |
|---|---|---|
| The home appliance link function cannot be operated by voice control. | Check that the TOYOTA Connect service is available | - |
| Check if the normal voice recognition function is operating correctly | 202307,999999,_56,_111967,_0588532,RM100000002CO4G,
|
|
| Proceed to "Does not Recognize Voice Commands Performed to Contact Support Center" | 202201,999999,_56,_115231,_0512170,RM1000000020HEN,
|
|
| Confirm HUAWEI registration | - | |
| Consult with "HUAWEI" | - | |
| Replace the radio and display receiver assembly. | 202307,999999,_56,_111966,_0499963,RM100000002CTFR,
|
|
| Home appliance link list is not displayed. | Check that the TOYOTA Connect service is available | - |
| Proceed to "Telematics Service cannot be Used" | 202201,999999,_56,_115231,_0512170,RM10000000215EE,
|
|
| Confirm HUAWEI registration | - | |
| Consult with "HUAWEI" | - | |
| Replace the radio and display receiver assembly. | 202307,999999,_56,_111966,_0499963,RM100000002CTFR,
|
| Symptom | Suspected Area | Link |
|---|---|---|
| Engine does not start by remote engine start function. | Proceed to "Remote Engine Starter does not Operate" | 202307,999999,_56,_115231,_0512170,RM100000002BWEV,
|
| Engine does not stop by remote engine stop function. | Proceed to "Remote Engine Starter does not Operate" | 202307,999999,_56,_115231,_0512170,RM100000002BWEV,
|