Problem Symptoms Table [09/2014 - ]
NOTE:
- After replacing the multimedia module receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, XM radio ID registration is necessary.
- If the DCM (telematics transceiver) has been replaced, perform the DCM Activation procedure using the Techstream (Refer to DCM ACTIVATION [09/2014 - ] ).
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.
DISPLAY FUNCTION
| Symptom | Suspected Area | Reference |
|---|---|---|
| Screen does not change when Point of Interest is selected on Destination screen | Proceed to "Switch Operation of Remote Touch not Accepted" | Refer to Switch Operation of Remote Touch not Accepted [09/2014 - 10/2015] or Switch Operation of Remote Touch not Accepted [10/2015 - ] |
| Screen does not change when Destinations is selected on Point of Interest screen | Proceed to "Switch Operation of Remote Touch not Accepted" | Refer to Switch Operation of Remote Touch not Accepted [09/2014 - 10/2015] or Switch Operation of Remote Touch not Accepted [10/2015 - ] |
| Screen does not change when Destination Assist is selected on Destination screen | Proceed to "Switch Operation of Remote Touch not Accepted" | Refer to Switch Operation of Remote Touch not Accepted [09/2014 - 10/2015] or Switch Operation of Remote Touch not Accepted [10/2015 - ] |
DESTINATION FUNCTION
| Symptom | Suspected Area | Reference |
|---|---|---|
| Destination button unavailable (grayed out) | Subscription status. Perform Vehicle Inquiry on TIS and confirm the subscription status. If the subscription is valid, press the manual (SOS) switch to verify that the system is active. If SOS call works properly, perform a Destination Assist call and verify that POI can be downloaded from the telematics provider. If the above steps are successful, the customer should call the customer service number published on the Lexus customer website. | - |
| Cannot download information when Download is selected on Destination screen | Perform Vehicle Inquiry on TIS and confirm subscription status. Using the accessory meter screen, select Destination / Point of Interest / Destinations. Verify "Destination" button is available. If unavailable, the button will be grayed out. If available, click the "Download" button. If "No new Destination POIs available" or "Download Successful" message appears on the accessory meter screen, the system is working properly. If "Can't connect to Network" message appears, the customer should call customer service number published on Lexus customer website. | - |
| Proceed to "DCM Data Signal Circuit between Navigation ECU and DCM" | Refer to DCM Data Signal Circuit between Navigation ECU and DCM [09/2014 - ] | |
| Multimedia module receiver assembly | Refer to REMOVAL [09/2014 - ] | |
| DCM (telematics transceiver) | Refer to REMOVAL [09/2014 - ] | |
| Cannot contact call center when Call Dest. Assist is selected on Destination Assist screen | Contact Telematics Service Provider to inquire about network status | - |
| Proceed to "UNABLE TO CONNECT TO CALL CENTER" | Refer to UNABLE TO CONNECT TO CALL CENTER [09/2014 - ] | |
| Proceed to "DCM Data Signal Circuit between Navigation ECU and DCM" | Refer to DCM Data Signal Circuit between Navigation ECU and DCM [09/2014 - ] | |
| Multimedia module receiver assembly | Refer to REMOVAL [09/2014 - ] | |
| DCM (telematics transceiver) | Refer to REMOVAL [09/2014 - ] | |
| Other caller's voice volume cannot be adjusted using the Destination Assist screen. | Multimedia module receiver assembly | Refer to REMOVAL [09/2014 - ] |
SDARS SYSTEM FUNCTION
| Symptom | Suspected Area | Reference |
|---|---|---|
| Screen does not change when XM related function is selected on Information screen | Proceed to "Satellite Radio Broadcast cannot be Received " | Refer to Satellite Radio Broadcast cannot be Received [09/2014 - ] |
| Multimedia module receiver assembly | Refer to REMOVAL [09/2014 - ] |
LEXUS INSIDER FUNCTION
| Symptom | Suspected Area | Reference |
|---|---|---|
| Screen does not change when LEXUS Insider is selected on Information screen | Proceed to "Switch Operation of Remote Touch not Accepted" | Refer to Switch Operation of Remote Touch not Accepted [09/2014 - 10/2015] or Switch Operation of Remote Touch not Accepted [10/2015 - ] |
| Data cannot be received using LEXUS Insider screen | Check the "Lexus Insider Setting" ("Receive Lexus Insider" setting) in the "Lexus App Suite Settings" menu | - |
| Proceed to "DCM Data Signal Circuit between Navigation ECU and DCM" | Refer to DCM Data Signal Circuit between Navigation ECU and DCM [09/2014 - ] | |
| Multimedia module receiver assembly | Refer to REMOVAL [09/2014 - ] | |
| DCM (telematics transceiver) | Refer to REMOVAL [09/2014 - ] | |
| Articles cannot be received automatically although New Article Notification function of LEXUS Insider setting has been set to on* | Contact Telematics Service Provider to inquire about network status | - |
| Multimedia module receiver assembly | Refer to REMOVAL [09/2014 - ] | |
| DCM (telematics transceiver) | Refer to REMOVAL [09/2014 - ] | |
| Voice guidance does not function. (Voice guidance for the navigation system is normal.) | Multimedia module receiver assembly | Refer to REMOVAL [09/2014 - ] |
| Cannot stop LEXUS Insider articles from playing | Select another mode, such as AM, FM, CD, etc. | - |
NOTE:
*: There could be a delay of several days for receiving LEXUS Insider articles.
LEXUS APP SUITE FUNCTION
| Symptom | Suspected Area | Reference |
|---|---|---|
| LEXUS App Suite function error message is displayed on the screen | Follow on screen instructions | - |
| Proceed to "Confirm Cellular Phone Functionality" | Refer to Confirm Cellular Phone Functionality [09/2014 - ] | |
| Proceed to "Confirm Vehicle Head unit Functionality" | Refer to Confirm Vehicle Head unit Functionality [09/2014 - ] | |
| Proceed to "LEXUS App Suite Reset Procedure" in Operation Check | Refer to OPERATION CHECK [09/2014 - ] | |
| Multimedia module receiver assembly | Refer to REMOVAL [09/2014 - ] | |
| LEXUS App Suite and services are not operating as expected | Proceed to "Confirm Cellular Phone Functionality" | Refer to Confirm Cellular Phone Functionality [09/2014 - ] |
| Proceed to "Confirm Vehicle Head unit Functionality" | Refer to Confirm Vehicle Head unit Functionality [09/2014 - ] | |
| Proceed to "LEXUS App Suite Reset Procedure" in Operation Check | Refer to OPERATION CHECK [09/2014 - ] | |
| Multimedia module receiver assembly | Refer to REMOVAL [09/2014 - ] | |
| LEXUS App Suite voice recognition is not possible (Voice recognition on the navigation system is normal) | Proceed to "Confirm Cellular Phone Functionality" | Refer to Confirm Cellular Phone Functionality [09/2014 - ] |
| Proceed to "Confirm Vehicle Head unit Functionality" | Refer to Confirm Vehicle Head unit Functionality [09/2014 - ] | |
| Proceed to "LEXUS App Suite Reset Procedure" in Operation Check | Refer to OPERATION CHECK [09/2014 - ] | |
| Multimedia module receiver assembly | Refer to REMOVAL [09/2014 - ] | |
| Poor sound quality of LEXUS App Suite function | Confirm that cellular phone handset volume is turned up | - |
| Confirm that adequate signal is maintained during driving | - | |
| Proceed to "Confirm Cellular Phone Functionality" | Refer to Confirm Cellular Phone Functionality [09/2014 - ] | |
| Proceed to "Confirm Vehicle Head unit Functionality" | Refer to Confirm Vehicle Head unit Functionality [09/2014 - ] | |
| Proceed to "LEXUS App Suite Reset Procedure" in Operation Check | Refer to OPERATION CHECK [09/2014 - ] | |
| Multimedia module receiver assembly | Refer to REMOVAL [09/2014 - ] |