PROBLEM SYMPTOMS TABLE [04/2013 - ]
Note. After replacing the radio receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, registration of the XM radio ID is necessary (w/ SDARS System). If the DCM (telematics transceiver) has been replaced, perform the DCM Activation procedure. Refer to DCM ACTIVATION [04/2013 - ]
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.
| Symptom | Suspected Area | Link |
|---|---|---|
| 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 [04/2013 - ] |
| Screen does not change when eDestination 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 [04/2013 - ] |
| 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 [04/2013 - ] |
DISPLAY FUNCTION
| Symptom | Suspected Area | Link |
|---|---|---|
| EDestination 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 eDestination screen | Perform Vehicle Inquiry on TIS and confirm subscription status. Using the multi-display screen, select Destination / Point of Interest / eDestinations. Verify that the "eDestination" button is available. If unavailable, the button will be grayed out. If available, click the "Download" button. If "No new eDestination POIs available" or "Download Successful" message appears on the multi-display 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 [04/2013 - ] | |
| Radio receiver assembly | Refer to REMOVAL [04/2013 - ] | |
| DCM (Telematics Transceiver) | Refer to REMOVAL [04/2013 - ] | |
| 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 [04/2013 - ] | |
| Proceed to "DCM Data Signal Circuit between Navigation ECU and DCM" | Refer to DCM Data Signal Circuit between Navigation ECU and DCM [04/2013 - ] | |
| Radio receiver assembly | Refer to REMOVAL [04/2013 - ] | |
| DCM (Telematics Transceiver) | Refer to REMOVAL [04/2013 - ] | |
| Other caller's voice volume cannot be adjusted using the Destination Assist screen | Radio receiver assembly | Refer to REMOVAL [04/2013 - ] |
DESTINATION FUNCTION
| Symptom | Suspected Area | Link |
|---|---|---|
| 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 [04/2013 - ] |
| Radio receiver assembly | Refer to REMOVAL [04/2013 - ] |
SDARS SYSTEM FUNCTION
| Symptom | Suspected Area | Link |
|---|---|---|
| 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 [04/2013 - ] |
| 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 [04/2013 - ] | |
| Radio receiver assembly | Refer to REMOVAL [04/2013 - ] | |
| DCM (Telematics Transceiver) | Refer to REMOVAL [04/2013 - ] | |
| Articles cannot be received automatically although New Message Notification function of Lexus Insider setting has been set to on* | Contact Telematics Service Provider to inquire about network status | |
| Radio receiver assembly | Refer to REMOVAL [04/2013 - ] | |
| DCM (Telematics Transceiver) | Refer to REMOVAL [04/2013 - ] | |
| Voice guidance does not function (Voice guidance for the navigation system is normal) | Radio receiver assembly | Refer to REMOVAL [04/2013 - ] |
| Cannot stop Lexus Insider articles from playing | Select another mode, such as AM, FM, CD, etc. |
LEXUS INSIDER FUNCTION
Note. *: There could be a delay of several days for receiving Lexus Insider articles.
| Symptom | Suspected Area | Link |
|---|---|---|
| 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 [04/2013 - ] | |
| Proceed to "Confirm Vehicle Headunit Functionality" | Refer to Confirm Vehicle Headunit Functionality [04/2013 - ] | |
| Proceed to "LEXUS App Suite Reset Procedure" in Operation Check | Refer to OPERATION CHECK [04/2013 - ] | |
| Radio receiver assembly | Refer to REMOVAL [04/2013 - ] | |
| LEXUS App Suite and services are not operating as expected | Proceed to "Confirm Cellular Phone Functionality" | Refer to Confirm Cellular Phone Functionality [04/2013 - ] |
| Proceed to "Confirm Vehicle Headunit Functionality" | Refer to Confirm Vehicle Headunit Functionality [04/2013 - ] | |
| Proceed to "LEXUS App Suite Reset Procedure" in Operation Check | Refer to OPERATION CHECK [04/2013 - ] | |
| Radio receiver assembly | Refer to REMOVAL [04/2013 - ] | |
| 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 [04/2013 - ] |
| Proceed to "Confirm Vehicle Headunit Functionality" | Refer to Confirm Vehicle Headunit Functionality [04/2013 - ] | |
| Proceed to "LEXUS App Suite Reset Procedure" in Operation Check | Refer to OPERATION CHECK [04/2013 - ] | |
| Radio receiver assembly | Refer to REMOVAL [04/2013 - ] | |
| 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 [04/2013 - ] | |
| Proceed to "Confirm Vehicle Headunit Functionality" | Refer to Confirm Vehicle Headunit Functionality [04/2013 - ] | |
| Proceed to "LEXUS App Suite Reset Procedure" in Operation Check | Refer to OPERATION CHECK [04/2013 - ] | |
| Radio receiver assembly | Refer to REMOVAL [04/2013 - ] |
LEXUS APP SUITE FUNCTION
DIAGNOSIS SYSTEM [04/2013 - ]
- DESCRIPTION Diagnostic Trouble Codes (DTCs) for the LEXUS ENFORM system can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and to repair it.
- CHECK DLC3 Check the DLC3. Refer to GENERAL INFORMATION [04/2013 - ]
DTC CHECK/CLEAR [04/2013 - ]
- CHECK DTC Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Telematics / Trouble Codes. Body Electrical > Telematics > Trouble Codes Check for DTCs. Refer to DIAGNOSTIC TROUBLE CODE TABLE [04/2013 - ]
- CLEAR DTC Connect the Techstream to the DLC3. Turn the engine switch on (IG). Turn the Techstream on. Enter the following menus: Body Electrical / Telematics / Trouble Codes. Body Electrical > Telematics > Clear DTCs Clear the DTCs.
DIAGNOSTIC TROUBLE CODE TABLE [04/2013 - ]
| DTC No. | Detection Item | Link |
|---|---|---|
| U0142 | Lost Communication with Body Control Module "B" | Refer to DTC U0142: Lost Communication with Body Control Module "B" |
| U0155 | Lost Communication with Instrument Panel Cluster (IPC) Control Module | Refer to DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module |
| U0163 | Lost Communication with Navigation Control Module | Refer to DTC U0163: Lost Communication with Navigation Control Module [04/2013 - ] |
LEXUS ENFORM SYSTEM